EP3653170A1 - Lift table - Google Patents

Lift table Download PDF

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Publication number
EP3653170A1
EP3653170A1 EP19204542.5A EP19204542A EP3653170A1 EP 3653170 A1 EP3653170 A1 EP 3653170A1 EP 19204542 A EP19204542 A EP 19204542A EP 3653170 A1 EP3653170 A1 EP 3653170A1
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EP
European Patent Office
Prior art keywords
lifting table
axis
frame
lifting
sections
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EP19204542.5A
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German (de)
French (fr)
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EP3653170B1 (en
Inventor
Alain MANS
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Docmans Sprl
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Docmans Sprl
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/02—Adjustable operating tables; Controls therefor
    • A61G13/06—Adjustable operating tables; Controls therefor raising or lowering of the whole table surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D3/00—Appliances for supporting or fettering animals for operative purposes

Definitions

  • the present invention relates to a lifting table, in particular a veterinary lifting table, intended for moving large and heavy animals, said veterinary lifting table comprising scissor arms, and which is compact.
  • the tables of consultation, examination or surgery are well known devices, allowing the nursing staff to be able to intervene at breast height. They generally consist of a stainless steel tray, supported by four horizontal feet. For mobile tables, the lower end of the legs are fitted with casters
  • Such veterinary tables have the disadvantage of requiring the employment of several people to lift the animal, which can be a large animal, possibly sedated, in order to install it on the table.
  • a table bulky, but it also has the disadvantage of not being adjustable in height to adapt to the size of the nursing staff.
  • the US patent US 2,794,694 describes an operating table comprising a horizontal subframe, from the center of which extends vertically a hydraulic piston supporting at its free end a horizontal plate.
  • the American patent US2007125314 describes a mobile veterinary preparation table, adjustable in height, comprising inclined edges and one end of which comprises four round joints sliding on two vertical tubular columns of a vertical frame, and set in motion by a piston arranged vertically in this vertical frame.
  • Lifting tables are also known in non-medical or veterinary fields.
  • the patent application CN103508372 describes a lifting table with scissor arms, set in motion by the action of two pistons, one per pair of scissor arms, fixed to the lower portion of one of the scissor arms, and comprising engaging rollers at their end the interior of the upper end of the scissor arm having a convex shape.
  • the international patent application WO8805759 describes a lifting table for a vehicle comprising two pairs of scissor arms having a “U” section, two of the arms each of which comprises a piston, the free end of which comprises two rollers moving in the section of the arm and engaging a straight ramp arranged in the bottom of the arm section and a convex ramp facing the straight ramp and disposed in the bottom of the complementary scissor arm section.
  • the patent application FR 1 343 743 describes a lifting table comprising scissor arms, deployed by means of a piston, the free end of which comprises a beam, each of the ends of which comprises a roller engaging a first convex ramp, disposed on the spar of the subframe d 'a lifting table, and a second convex ramp forming an integral part of the lower portion of a scissor arm, and facing the first ramp.
  • the present invention aims to provide a lifting table which does not have the drawbacks of the state of the art.
  • a preferred object of the present invention is to provide a veterinary lifting table having a reduced size, and whose deployment and folding is done constantly, smoothly.
  • the lifting table is used for medical use, in particular veterinary use.
  • top and bottom refers to the normal position of use of the device according to the invention, in particular to the position as shown in Figures 1 to 8 .
  • the lifting table 1 will be described for medical use, in particular veterinary, of generally parallelepiped shape.
  • a lifting table 1 can have all the appropriate shapes and dimensions and be used in other technical fields, in particular non-medical fields.
  • the lifting table 1 comprises a sub-frame 2, a frame 3 intended to support a platform, means 4 for vertical movement of the frame 3 relative to the sub-frame 2, means 5 for driving the means 4 for movement and possibly a tray.
  • the sub-frame 2 has a section in the horizontal plane of the ground, in the XY plane, in the shape of a "U" ( figure 1 ). It comprises or consists of at least two first sections 6 and 7 which are parallel, or substantially parallel, with respect to one another. Preferably, these are the first two profiles, paths or rails, of section in the XZ plane in the shape of a "U", the opening of which faces the upper part of the lifting table 1.
  • the profiles 6 and 7 are connected to each other by at least a first element or transverse rail 8, arranged perpendicular to said first profiles 6 and 7, preferably at one of the ends of the first profiles 6 and 7.
  • This first element or rail transverse 8 forms a hinge axis for the means 5 for driving the means 4 for vertical displacement of the chassis 3. It also defines what will be considered in the following description as the front of the sub-chassis 2 of the lifting table 1, while the rear is formed by the side opposite to this element or transverse rail 8, in particular by the opening of the "U" of the XY section.
  • the sub-frame 2 also includes a second, a third and / or a fourth element or transverse rail (not shown) capable of strengthening the sub-chassis 2 and capable of serving as a support or reinforcing a base for an electrical element, such as a transformer.
  • the elements 6, 7 and 8 of the sub-frame 2 are in contact with the ground or a base on which it rests; however, the sub-frame 2 may include displacement means, making it possible to make the lifting table 1 mobile. It may be, for example, wheels or casters, advantageously arranged under the first parallel sections 6 and 7 and / or under the element or transverse rail 8, wheels or rollers possibly provided with brake means.
  • the plate supported by the chassis 3, is any rigid support that can receive a load.
  • the plate must be able to support, without bending, the weight of an animal, for example of about 80 kg or more (preferably for a load of less than 100 kg).
  • the tray is made of stainless steel or plastic, that is to say a light and easily cleanable material, such as polyethylene or polypropylene and includes flanges, of about 1 to 2 cm for example, each of these edges to prevent the flow of fluids along the edges or ends of this tray.
  • the plate comprises means for recovering fluids which may be there, and these means for recovering fluids cooperate with means for discharging these fluids.
  • the second profiles 9, 10 and / or the plate can also include means for fixing an extension of the plate, for example orifices forming fixing points, the extension can be placed under the plate, on or between the second profiles. 9, 10, and possibly be mobile.
  • the second sections 9 and 10 and / or the tray can also include means for attaching accessories to the lifting table 1, such as, for example, link fixings, an infusion holder, a support for supporting the anesthesia tube, a support for fixation of a member of the animal.
  • these fixing means can be mobile along the second sections 9 and 10 and / or the plate.
  • These means can be or include rails arranged around the plate.
  • the means 4 for vertical displacement of the chassis 3 make it possible to move the chassis 3, and therefore the plate supported by the chassis 3, from a position called “low” or “folded”, in which the chassis 3 is close to the sub-chassis 2, and so the ground on which the subframe or its wheels rest ( figure 4 ), in a so-called “high” or “unfolded” position in which the chassis 3 is distant from the sub-chassis 2, therefore from the ground ( figure 1 ), and vice versa.
  • These means 4 for vertical displacement comprise a first series 13 of two lifting arms 131 and 132, forming a first side of the lifting table 1 when the latter is in the high position, and a second series 14, of two lifting arms 141 and 142, forming a second side of the lifting table 1, opposite the first side.
  • the lifting arms 131, 132, 141 and 142, in the unfolded position, thus define an internal space 15 of the lifting table 1.
  • a and A ' Through the pivot points A and A ', passes a pivot axis AA' relative to which the lifting arms 131, 132, 141 and 142 fold and unfold ( figure 2 ).
  • the axis A-A ' engages the lifting arms 131, 132, 141 and 142 by means of a metal ring, preferably a ring made of bronze, in order to limit friction.
  • Each complementary lifting arm 131 and 132 or 141 and 142 comprises a so-called “upper” part, located above the axis AA ′, and therefore between the axis AA ′ and the chassis 3, and a part called “lower”, located below the axis AA 'and therefore between the axis AA' and the subframe 2.
  • Each complementary lifting arm 131 and 132 or 141 and 142 comprises an end movable in translation relative to the sub-frame 2 or to the frame 3, and a fixed end, namely not movable in translation, but articulated, namely pivoting, by subframe 2 or chassis 3 ratio.
  • the arms 131 and 141 comprise a fixed lower end, but pivotally articulated, relative to the subframe 2, preferably to the element or transverse rail 8 and an upper end respectively engaging the second sections 10 and 9 in a movable manner. translation.
  • this end upper comprises a roller or a caster engaging and able to move in, the second profile 9 or the second profile 10.
  • the arms 132 and 142 include an upper end pivotally attached to the frame 3, preferably to the second profiles 9 and 10 , advantageously also at the cross member 11, and a lower end respectively engaging the first sections 7 and 6, so as to be movable in translation.
  • this lower end comprises an engaging roller or roller, which can move in or on the first profile 6 or 7.
  • the lifting arms 131, 132, 141 and 142 take any shape, have any suitable dimensions and are made of all suitable materials. Preferably, these are tubular metal elements.
  • the means 5 for driving the displacement means 4 allow the unfolding and folding of the lifting arms 131, 132, 141 and 142 and therefore the raising and lowering of the chassis 3 and therefore of the platform.
  • These drive means 5 are, or comprise, at least one jack or piston, hydraulic or electric, capable of lifting the plate, provided with its load, from its low position to its high position, and vice versa. They include or cooperate with means for supplying electricity and means for controlling the drive means.
  • the actuator is electric. It is arranged in the space 15 of the lifting table 1, the movable element of the jack, the piston, being arranged near the sub-frame 2, in particular of the transverse element 8, and its motor is arranged close to the 'axis AA' of the lifting arms 131, 132, 141 and 142. This has the advantage of obtaining a compact lifting table 1 once folded.
  • the means 5 for driving the displacement means 4 comprise at least first support means 16 cooperating with the first thrust means 171 and 172 of these first support means 16.
  • the first support means 16 comprise or consist of one, preferably two rollers or wheels 161 and 162, arranged at the end of an axis 163, which is oriented perpendicular to the axis of the drive means 5.
  • the ends of the axis 163 each comprise or consist of a connecting member 164 with a cross member 165, making it possible to stiffen the axis 163 and to provide a support on which the pushing means 17 come to bear and move.
  • rollers 161 and 162 are sealed bearings, mounted on the axis 163 by means of metal rings, preferably rings made of bronze.
  • the roller 161 or the roller 162 will bear and move on pushing means 17 which are linked to the lifting arms 131, 141, preferably at the upper part of the lifting arms 131 and 141, the lower end of which is fixed. to the subframe 2, but pivotally movable, and the upper end of which is movable in the second sections 9 and 10 of the chassis 3.
  • the thrust means of the support means are not, and do not form an integral part of the lifting arms 131, 141, 132 and 142. These are separate means, disposed near the lifting arms 131, 141, 132 and 142, but to which they are physically linked.
  • the roller 161 or 162 engages the end of an element 171 or 172 capable of generating a thrust of the first support means 16, having a surface comprising a convex curvature 174.
  • the rollers 161, 162 move on the surface of the curved part of the elements 171 and 172 capable of generating a thrust on the first means d 'support 16 from bottom to top, which allows the deployment of the lifting arms 131 and 141, their movable ends moving under the chassis 3, and when the piston shortens the lifting arms 131 and 141, fold.
  • the convexity of the curvature of the surface of the elements 171 and 172 capable of generating a thrust on the support means 16, is directed upwards or substantially upwards, from the lifting table 1, towards the frame 3 and the plate , when the lifting table 1 is folded ( figure 4 ) and it is directed forward, or substantially forward, from the lifting table 1 when the latter is unfolded ( Figures 1 and 2 ).
  • the dimensions of the convex curvature 174 of the elements 171 and 172 of the thrust of the support elements 16, are chosen so as to allow the deployment and the folding of the lifting arms 131 and 141 to the determined height or heights, allowing the user to access the animal on the table at breast height.
  • the convex curvature 174 can also be variable along the elements 171 and 172 of the thrust of the support elements 16, in order to allow a variable speed of deployment and folding of the lifting arms 131 and 141.
  • the elements 171 and 172 of thrust of the support elements have a portion, adjacent to the portion comprising the convex curvature 174, which is non-curved, advantageously longitudinal, at the end of which the elements 171 and 172 are linked to the lifting arms 131 and 141, via a cross member 173, fixed to the lifting arms 131 and 141.
  • each element 171 or 172 of thrust of the support elements 16 comprises or consists of means of connection with the other ramp 171 or 172, comprising an opening 175 in which engages a cross member 176, preferably of cross-section square, means of connection with the axis A-A ', for example an opening consisting of a through hole 177, in which the axis A-A' engages, and means in which the crosspiece engages 173 connecting to the lifting arms 131 and 141, for example an opening consisting of a through hole 178 ( figure 6 ).
  • the support means 16 and its thrust means 171 and 172 have the advantage of regularly transmitting the thrust of the jack to the lifting arms 131 and 141 and thus have the advantage of allowing their unfolding and their constant folding, c that is to say smoothly.
  • this constant and smooth thrust is carried out starting (folded position) from an angle of 0 ° or close to 0 ° between the axes of the chisel.
  • the means 5 for driving the displacement means 4 further comprise second support means 18 cooperating with second means 19 for pushing these second support means 18, and these are advantageously arranged at the level of the second end of the drive means 5.
  • the second support means 18 comprise or consist of one, preferably two rollers or wheels 181 and 182, arranged on the axis 163, between the rollers 161 and 162, preferably arranged equidistant from the rollers 161 and 162 , advantageously essentially at the center of the axis 163.
  • rollers 181 and 182 are sealed bearings, mounted on the axis 163 by means of metal rings, preferably rings made of bronze.
  • rollers 181 and 182 are supported and move on means 19 for pushing support means 18, which are linked to the lifting arms 132 and 142, preferably to the upper part of the lifting arms 132 and 142, the l the lower end is movable on the elements 6, 7 of the sub-frame 2, and the upper end of which is pivotally fixed to the frame 3, preferably to the sections 9 and 10 and advantageously to the cross-member 11.
  • the second means 19 for pushing the second support means 18, are not, and do not form an integral part of the lifting arms 131 and 141 as well as 132 and 142. These are separate means, arranged near the arms 131, 141, 132 and 142, but to which they are physically linked.
  • roller or rollers 181 and 182 engage the end of a cam 191 or 192 of said second means 19 for pushing second support means, having a surface comprising a convex curvature 194.
  • the rollers 181 and 182 move on the curved part of the cams 191 and 192, which are linked to the lifting arms 132 and 142 by l 'through a cross member 193, which allows the deployment of the lifting arms 132 and 142, their movable ends moving on the subframe 2, and when the piston shortens the lifting arms 132 and 142, fold.
  • the convexity of the convex curvature 194 of the surface of the cams 191 and 192 is directed downwards, or substantially downwards, from the lifting table 1, towards the subframe 2, when the lifting table 1 is folded ( figure 4 ), and the convexity of the curvature 194 will be directed towards the front, or substantially towards the front, of the lifting table 1, when the latter is unfolded (see Figures 1 and 2 ).
  • the dimensions of the convex curvature 194 of the cams 191 and 192 are chosen so as to allow the deployment and folding of the lifting arms 132 and 142 to the determined height (s).
  • the shape and dimensions of the convex curvature 194 are in particular adapted to the position of the rollers 181 and 182 on the axis 163, to the position of the crosspiece 193 connecting the cams 191 and 192 to the lifting arms 132 and 142 and to the convex curvature 174 of the elements 171 and 172, as well as at the position of the cross-member 173.
  • the convex curvature 194 can also be variable along the cams 191 and 192, in order to allow a variable speed of deployment and folding of the arms 132 and 142.
  • the second support means 18 and its second thrust means 19, not only allow the deployment of the lifting arms 132 and 142, but they have the advantage of facilitating the deployment of the lifting arms 131 and 141. Indeed, these means make it possible to distribute the force provided by the drive means 5, the jack, for deployment and folding, the latter then being more constant, without imbalance between the lifting arms 132 and 142 and the lifting arms 131 and 141, and therefore without plateau imbalance.
  • the cams 191 and 192 have a portion, adjacent to the portion comprising the convex curvature 194, which is not curved, which is advantageously an essentially longitudinal portion, at the end of which the cams 191 and 192 of the connecting means with axis A-A '.
  • the connection can be obtained via an opening 195, in which the axis A-A 'engages, and by means in which the crosspiece 193 connecting to the lifting arms 132 and 142 engages, for example via a notch 196 present at the end of the cams 191 and 192, preferably present on the surface which is opposite to the surface carrying the convex curvature 194 ( figure 7 ).
  • the axis 163 supporting the first support means 16, and the second support means 18 if they are present, is fixed to the second end of the drive means 5 by means of a housing 20 ( figure 4 ).
  • the housing 20 has a substantially parallelepiped shape and has a section in the XY plane when the lifting table 1 is folded ( figure 4 ), and in the XZ plane when the lifting table 1 is folded ( figure 1 ), in the shape of a "U", comprising two vertical edges 21, 22 connected by a horizontal portion 23.
  • This horizontal portion 23 comprises means 24 for fixing the housing 20 to the drive means 5 and means 4 for movement, preferably to the cylinder motor housing.
  • these fixing means 24 comprise, or are, openings.
  • the housing 20 further comprises at least one, advantageously two spacer (s) 25 or 26.
  • the vertical edges 21 and 22 and the spacers 25 and 26, if they are present, comprise means 27 for engaging the axis 163, for example at least one opening opening receiving the axis 163, preferably several openings which are preferably arranged so that the pin 163 is disposed in the upper part of the housing 20.
  • the housing comprises or consists of a longitudinal reinforcement 28, disposed behind the housing 20 and engaging the edges 21 and 22 and the spacers 25 and 26, if they are present, and possibly also one, preferably two axes 29, 30 longitudinal, arranged substantially parallel to the axis 163, and engaging through holes made in the edges 21 and 22 and the spacers 25 and 26.
  • the axis or axes 29 and 30 are preferably arranged offset relative to each other to the other, and advantageously in front of the housing, and slightly in the low position, in order to advantageously stiffen the housing 20.
  • the constituent elements of the housing 20 have all suitable dimensions and are made of all suitable materials. Preferably, these are metallic elements.
  • the lifting table 1 for veterinary use has a thickness, namely a distance from the ground to the top of the tray, in the low position, of approximately 10 cm and in the high position of approximately 140 cm.
  • This type of table weighs approximately 80 kg and supports a maximum load of approximately 100 kg.
  • the time required to move from its low position to its high position, and vice versa, is between approximately 25 seconds and approximately 30 seconds.
  • the tray has a length of about 140 cm, for a width of about 60 cm and a thickness of about 10 cm.
  • This tray is preferably made of stainless steel or a plastic material such as polyethylene or polypropylene and its upper surface is slightly hollowed out, sloping, for example about 1 cm per meter, to facilitate the evacuation of fluids to a discharge hole of about 2.5 cm in diameter, provided with a discharge neck, or to a transverse slot of about 1 cm wide, including a rim.
  • the tray further comprises three rails, or slides, surrounding the lifting table 1, for fixing accessories.
  • the fourth side, the rear of the lifting table 1 includes two lock-shaped holes for attaching an extension and / or a fluid collection tank, the latter may adopt a form of grating.
  • the surface of the lifting table of the invention can also include a nano-composite mat with optimal sliding properties.
  • the lifting table can also have sliding ramps (in the form of a prism with a triangular or rectangular base) placed on the ground against the length of the table top and can be reached by a mobile stretcher which is housed on the system. 'elevation, in order to easily transport animals from distant places such as a parking lot or a waiting room of a veterinary office.
  • the lifting arms 131, 132, 141 and 142 are tubular elements made of stainless steel or aluminum. They are set in motion using an electric jack, which is controlled by a control, a fixed pedal on the ground or a push button.
  • the jack is for example a model of type SMPS30 from the company LINAK® or preferably the model LILAK LA40 HP® of about 98mm having the necessary characteristics of strength, size and position of the adequate thrust axis which will be fixed so on the lifting table of the invention.
  • Its motor has a thickness of approximately 107 mm, and develops a thrust of 8000 N.
  • the piston has a stroke of approximately 260 mm and the cylinder has a closed length of approximately 175 mm.
  • the lifting table of the invention may also include an upper plate pierced with a hole of approximately 200 mm in diameter for performing echocardiographies on a lying animal or other elements facilitating its movement and its ergonomics such as removable casters, a carpet digital scale or a tilting tray.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

La présente invention se rapporte à table élévatrice (1) pouvant passer d'une position repliée à une position dépliée, et inversement, comprenant un sous-châssis (2) comprenant deux premiers profilés (6, 7) disposés parallèlement l'un à l'autre, et reliés l'un à l'autre par au moins un élément transversal (8), un châssis (3) destiné à supporter un plateau et comprenant deux seconds profilés (9, 10) disposés parallèlement l'un à l'autre et par rapport auxdits premiers profilés (6, 7) dudit sous-châssis (2), des moyens (4) de déplacement vertical dudit châssis (3) par rapport audit sous-châssis (2) comprenant deux séries (13, 14) de bras de levage (131, 132, 141, 142) liés l'un à l'autre de façon pivotante par rapport à un axe A-A' et comprenant une extrémité mobile en translation sur ou dans lesdits premiers éléments (6, 7) ou sous ou dans lesdits seconds profilés (9, 10), et une extrémité montée pivotante par rapport audit sous-châssis (2) ou audit châssis (3), des moyens (5) d'entrainement desdits moyens (4) de déplacement comprenant une extrémité fixée de manière pivotante audit élément transversal (8) et l'autre extrémité comprenant des premiers moyens d'appui (16) prenant appui et se déplacent sur des premiers moyens de poussée (17), lesdits premiers moyens de poussé (17) étant montés pivotant selon ledit axe A-A' et étant liés, par l'intermédiaire d'une traverse (173), à la partie supérieure des bras de levage (131, 141) qui sont mobiles en translation sous ou dans lesdits seconds profilés (9, 10).The present invention relates to a lifting table (1) which can pass from a folded position to an unfolded position, and vice versa, comprising a sub-frame (2) comprising two first sections (6, 7) arranged parallel to one another. 'other, and connected to each other by at least one transverse element (8), a frame (3) intended to support a plate and comprising two second sections (9, 10) arranged parallel to one other and relative to said first sections (6, 7) of said subframe (2), means (4) for vertical displacement of said chassis (3) relative to said subframe (2) comprising two series (13, 14) lifting arms (131, 132, 141, 142) pivotally connected to each other with respect to an axis AA 'and comprising an end movable in translation on or in said first elements (6, 7) or under or in said second sections (9, 10), and one end pivotally mounted relative to said sub-frame (2) or to said frame (3), means (5) for driving ement of said displacement means (4) comprising one end pivotally fixed to said transverse element (8) and the other end comprising first support means (16) bearing and moving on first pushing means (17) , said first thrust means (17) being pivotally mounted along said axis AA 'and being connected, via a crosspiece (173), to the upper part of the lifting arms (131, 141) which are movable in translation under or in said second sections (9, 10).

Description

Objet de l'inventionSubject of the invention

La présente invention se rapporte à une table élévatrice, en particulier une table élévatrice vétérinaire, destinée au déplacement d'animaux de grande taille et d'un poids élevé, la dite table élévatrice vétérinaire comprenant des bras ciseaux, et qui soit de faible encombrement.The present invention relates to a lifting table, in particular a veterinary lifting table, intended for moving large and heavy animals, said veterinary lifting table comprising scissor arms, and which is compact.

Etat de la techniqueState of the art

Dans le domaine médical, en particulier vétérinaire, les tables de consultation, d'examen ou de chirurgie, sont des dispositifs bien connus, permettant au personnel soignant de pouvoir intervenir à hauteur d'homme. Elles sont généralement constituées d'un plateau en inox, supporté par quatre pieds horizontaux. Pour des tables mobiles, l'extrémité inférieure des pieds est équipée de roulettesIn the medical field, in particular veterinary, the tables of consultation, examination or surgery, are well known devices, allowing the nursing staff to be able to intervene at breast height. They generally consist of a stainless steel tray, supported by four horizontal feet. For mobile tables, the lower end of the legs are fitted with casters

De telles tables vétérinaires présentent l'inconvénient de nécessiter l'emploi de plusieurs personnes pour soulever l'animal, qui peut être un gros animal, éventuellement sous sédation, afin de l'installer sur la table. De plus, non seulement une telle table est encombrante, mais elle présente également l'inconvénient de ne pas être réglable en hauteur pour s'adapter à la taille du personnel soignant.Such veterinary tables have the disadvantage of requiring the employment of several people to lift the animal, which can be a large animal, possibly sedated, in order to install it on the table. In addition, not only is such a table bulky, but it also has the disadvantage of not being adjustable in height to adapt to the size of the nursing staff.

C'est pourquoi, il a été proposé des tables élévatrices permettant de surélever l'animal à hauteur d'homme.This is why lifting tables have been proposed which make it possible to raise the animal at breast height.

Par exemple, le brevet américain US 2 794 694 décrit une table d'opération comprenant un sous-châssis horizontal, depuis le centre duquel s'étend verticalement un piston hydraulique supportant à son extrémité libre un plateau horizontal.For example, the US patent US 2,794,694 describes an operating table comprising a horizontal subframe, from the center of which extends vertically a hydraulic piston supporting at its free end a horizontal plate.

Le brevet américain US2007125314 décrit une table de préparation vétérinaire mobile, réglable en hauteur, comprenant des bords inclinés et dont une extrémité comprend quatre jointures rondes coulissant sur deux colonnes tubulaires verticales d'un cadre vertical, et mises en mouvement par un piston disposé verticalement dans ce cadre vertical.The American patent US2007125314 describes a mobile veterinary preparation table, adjustable in height, comprising inclined edges and one end of which comprises four round joints sliding on two vertical tubular columns of a vertical frame, and set in motion by a piston arranged vertically in this vertical frame.

La demande de brevet DE 8 914 070 décrit un lit d'hôpital réglable en hauteur comprenant un mécanisme de levage à ciseaux comprenant deux paires de bras de levage liés de manière pivotante l'un à l'autre à un point de pivotement, dits bras de ciseaux, et mis en mouvement par un piston, fixé sur la partie supérieure d'un des bras, et dont une extrémité comprend des galets interagissant avec la forme convexe de la portion inférieure du bras de ciseaux.The request of patent DE 8,914,070 describes a height-adjustable hospital bed comprising a scissor lift mechanism comprising two pairs of lift arms pivotally connected to each other at a pivot point, called scissor arms, and set in motion by a piston, fixed on the upper part of one of the arms, and one end of which comprises rollers interacting with the convex shape of the lower portion of the scissor arm.

Des tables de levage sont également connues dans des domaines non médicaux ou vétérinaires.Lifting tables are also known in non-medical or veterinary fields.

Par exemple, la demande de brevet CN103508372 décrit une table de levage à bras de ciseaux, mis en mouvement par l'action de deux pistons, un par paire de bras de ciseaux, fixés à la portion inférieure d'un des bras de ciseaux, et comprenant à leur extrémité des galets engageant l'intérieur de l'extrémité supérieure du bras de ciseaux ayant une forme convexe.For example, the patent application CN103508372 describes a lifting table with scissor arms, set in motion by the action of two pistons, one per pair of scissor arms, fixed to the lower portion of one of the scissor arms, and comprising engaging rollers at their end the interior of the upper end of the scissor arm having a convex shape.

La demande internationale de brevet WO8805759 décrit une table de levage pour véhicule comprenant deux paires de bras de ciseaux ayant une section en « U », dont deux des bras comprend chacun un piston dont l'extrémité libre comprend deux galet se déplaçant dans la section du bras et engageant une rampe droite disposée dans le fond de la section du bras et une rampe convexe faisant face à la rampe droite et disposée dans le fond de la section du bras de ciseaux complémentaire.The international patent application WO8805759 describes a lifting table for a vehicle comprising two pairs of scissor arms having a “U” section, two of the arms each of which comprises a piston, the free end of which comprises two rollers moving in the section of the arm and engaging a straight ramp arranged in the bottom of the arm section and a convex ramp facing the straight ramp and disposed in the bottom of the complementary scissor arm section.

La demande de brevet FR 1 343 743 décrit une table de levage comprenant des bras de ciseaux, déployés par l'intermédiaire d'un piston dont l'extrémité libre comprend une poutre dont chacune des extrémités comprend un galet engageant une première rampe convexe, disposée sur le longeron du sous-châssis d'une table de levage, et une seconde rampe convexe faisant partie intégrante de la portion inférieure d'un bras de ciseaux, et faisant face à la première rampe.The patent application FR 1 343 743 describes a lifting table comprising scissor arms, deployed by means of a piston, the free end of which comprises a beam, each of the ends of which comprises a roller engaging a first convex ramp, disposed on the spar of the subframe d 'a lifting table, and a second convex ramp forming an integral part of the lower portion of a scissor arm, and facing the first ramp.

Buts de l'inventionAims of the invention

La présente invention vise à fournir une table élévatrice qui ne présente pas les inconvénients de l'état de la technique.The present invention aims to provide a lifting table which does not have the drawbacks of the state of the art.

Un but préféré de la présente invention vise à fournir une table élévatrice vétérinaire présentant un encombrement réduit, et dont le déploiement et le repliement se fait de façon constante, sans à-coups.A preferred object of the present invention is to provide a veterinary lifting table having a reduced size, and whose deployment and folding is done constantly, smoothly.

Résumé de l'inventionSummary of the invention

La présente invention concerne une table élévatrice pouvant passer d'une position repliée à une position dépliée, et inversement, comprenant

  • un sous-châssis, formant la base de la table et destinée à reposer sur le sol, ledit sous-châssis comprenant deux premiers profilés disposés parallèlement l'un à l'autre, et reliés l'un à l'autre par au moins un élément transversal, formant de préférence l'avant de la table élévatrice,
  • un châssis destiné à supporter un plateau et comprenant deux seconds profilés disposés parallèlement l'un à l'autre et par rapport aux premiers profilés du sous-châssis,
  • des moyens de déplacement vertical du châssis par rapport au sous-châssis (c'est à dire un déplacement vertical du châssis par rapport au sous-châssis quand le sous-châssis repose sur le sol), ces moyens de déplacement dudit châssis comprenant deux séries de bras de levage liés l'un à l'autre de façon pivotante par rapport à un axe A-A' et comprenant une extrémité mobile en translation sur ou dans les premiers profilés ou sous ou dans les seconds profilés, et une extrémité montée pivotante par rapport au sous-châssis ou au châssis, et
  • des moyens d'entrainement et des moyens de déplacement comprenant une extrémité fixée de manière pivotante au élément transversal et une autre extrémité comprenant des premiers moyens d'appui prenant appui et se déplacent sur des premiers moyens de poussée desdits premiers moyens d'appuis, lesdits premiers moyens de poussée étant montés pivotant selon l'axe A-A' et étant liés, par l'intermédiaire d'une traverse, à la partie supérieure des bras de levage qui sont mobiles en translation sous ou dans lesdits seconds profilés.
The present invention relates to a lifting table which can pass from a folded position to an unfolded position, and vice versa, comprising
  • a sub-frame, forming the base of the table and intended to rest on the ground, said sub-frame comprising two first sections arranged parallel to one another, and connected to each other by at least one transverse element, preferably forming the front of the lifting table,
  • a frame intended to support a plate and comprising two second sections arranged parallel to each other and with respect to the first sections of the sub-frame,
  • means for vertical displacement of the chassis with respect to the sub-chassis (that is to say a vertical displacement of the chassis with respect to the sub-chassis when the sub-chassis rests on the ground), these means for displacement of said chassis comprising two series of lifting arms pivotally connected to each other with respect to an axis AA ′ and comprising a movable end in translation on or in the first sections or under or in the second sections, and one end mounted so as to pivot relative to to the subframe or chassis, and
  • drive means and displacement means comprising one end pivotally attached to the transverse element and another end comprising first support means bearing and moving on first pushing means of said first support means, said first thrust means being pivotally mounted along the axis AA 'and being linked, via a cross member, to the upper part of the lifting arms which are movable in translation under or in said second profiles.

Selon des modes particuliers de l'invention, la table élévatrice selon l'invention comprend au moins une, ou une combinaison quelconque appropriée, des caractéristiques préférées suivantes :

  • les premiers moyens d'appui comprennent ou consistent en deux galets disposés à l'extrémité d'un axe, ledit axe étant orienté perpendiculaire à l'axe des moyens d'entrainement et des moyens de déplacement,
  • les premiers moyens de poussée de dits premiers moyens d'appui, comprennent ou consistent en une première portion ayant une surface avec une courbure convexe, sur laquelle se déplacent lesdits premiers moyens d'appui et en une seconde portion, adjacente à la première portion des éléments de poussée desdits premiers moyens d'appuis , qui est longitudinale et à l'extrémité de laquelle s'engage la traverse
  • la table élévatrice comprend en outre des seconds moyens d'appui montés pivotant selon l'axe A-A' et étant liés, par l'intermédiaire d'une traverse, à la partie supérieure des bras de levage mobiles en translation sur ou dans les éléments du sous châssis,
  • les seconds moyens d'appui comprennent ou consistent en deux galets disposés sur l'axe portant les premiers moyens d'appui,
  • les moyens de poussée des seconds moyens d'appui comprennent ou consistant en des cames dont une première portion comprend une surface ayant une courbure convexe sur laquelle se déplace les seconds moyens d'appui,
  • la courbure convexe des moyens de poussée possède une convexité dirigée vers le châssis, lorsque la table élévatrice est repliée et possède une convexité dirigée sensiblement vers l'avant de la table élévatrice, lorsque la table élévatrice est dépliée,
  • l'axe portant les moyens d'appui est fixé aux moyens d'entrainement par l'intermédiaire d'un logement de section en forme de « U », comprenant ou consistant en deux bords verticaux entre lesquels sont disposés des entretoises disposés parallèles audits bords verticaux, éventuellement également un renfort longitudinal et/ou deux axes longitudinaux disposés sensiblement en position parallèle à l'axe,
  • les moyens d'entrainement des moyens de déplacement comprennent ou consistent en un vérin électrique,
  • la table élévatrice comprend en outre un plateau disposé sur le châssis,
  • les profilés du châssis et/ou le plateau comprennent des moyens de fixation d'une rallonge du plateau,
  • les profilés du châssis et/ou le plateau comprennent des moyens de fixation d'accessoires.
  • le sous-châssis de la table comporte en outre au moins un second élément transversal reliant les deux premiers profilés et formant de préférence l'arrière de la table élévatrice, le second élément pouvant servir de base à un transformateur électrique.
According to particular embodiments of the invention, the lifting table according to the invention comprises at least one, or any suitable combination, of the following preferred characteristics:
  • the first support means comprise or consist of two rollers arranged at the end of an axis, said axis being oriented perpendicular to the axis of the drive means and of the displacement means,
  • the first pushing means of said first support means, comprise or consist of a first portion having a surface with a convex curvature, on which move said first support means and in a second portion, adjacent to the first portion of the thrust elements of said first support means, which is longitudinal and at the end of which the crosspiece engages
  • the lifting table further comprises second support means mounted pivoting along the axis AA 'and being connected, via a cross member, to the upper part of the lifting arms movable in translation on or in the elements of the under chassis,
  • the second support means comprise or consist of two rollers arranged on the axis carrying the first support means,
  • the pushing means of the second support means comprise or consist of cams, a first portion of which comprises a surface having a convex curvature on which the second support means move,
  • the convex curvature of the pushing means has a convexity directed towards the frame, when the lifting table is folded and has a convexity directed substantially towards the front of the lifting table, when the lifting table is unfolded,
  • the axis carrying the support means is fixed to the drive means by means of a “U” shaped section housing, comprising or consisting of two vertical edges between which are placed spacers arranged parallel to said edges vertical, possibly also a longitudinal reinforcement and / or two longitudinal axes arranged substantially in position parallel to the axis,
  • the means for driving the displacement means comprise or consist of an electric actuator,
  • the lifting table also comprises a plate placed on the chassis,
  • the profiles of the chassis and / or the plate comprise means for fixing an extension of the plate,
  • the profiles of the chassis and / or the plate comprise means for attaching accessories.
  • the subframe of the table further comprises at least one second transverse element connecting the two first sections and preferably forming the rear of the lifting table, the second element being able to be used as a basis for an electric transformer.

De préférence, la table élévatrice est utilisée pour un usage médical, en particulier un usage vétérinaire.Preferably, the lifting table is used for medical use, in particular veterinary use.

La présente invention sera décrite ci-dessous en détails, en référence aux figures et dans une forme d'exécution présentée à titre d'illustration non limitative de l'invention.The present invention will be described below in detail, with reference to the figures and in an embodiment presented by way of non-limiting illustration of the invention.

Brève description des figuresBrief description of the figures

  • La figure 1 est une représentation schématique d'une vue en perspective de côté de la table élévatrice selon l'invention qui est dépliée.The figure 1 is a schematic representation of a side perspective view of the lifting table according to the invention which is unfolded.
  • La figure 2 est une représentation schématique d'une vue en perspective d'un autre côté de la table élévatrice selon l'invention qui est dépliée.The figure 2 is a schematic representation of a perspective view of another side of the lifting table according to the invention which is unfolded.
  • La figure 3 est une représentation schématique d'une vue en perspective du dessus de la table élévatrice selon l'invention qui est déployée.The figure 3 is a schematic representation of a perspective view from above of the lifting table according to the invention which is deployed.
  • La figure 4 est une représentation schématique d'une vue en perspective de côté de la table élévatrice selon l'invention qui est repliée.The figure 4 is a schematic representation of a side perspective view of the lifting table according to the invention which is folded.
  • La figure 5 est une représentation schématique d'une vue en perspective du dessus de la table élévatrice selon l'invention qui est repliée.The figure 5 is a schematic representation of a perspective view from above of the lifting table according to the invention which is folded.
  • La figure 6 est une représentation schématique d'une vue de côté d'un premier élément poussoir.The figure 6 is a schematic representation of a side view of a first pusher element.
  • La figure 7 est une représentation schématique d'une vue de côté d'un second élément poussoir.The figure 7 is a schematic representation of a side view of a second pusher element.
  • La figure 8 est une représentation schématique d'une vue de coté en perspective du logement abritant l'axe supportant les éléments d'appui.The figure 8 is a schematic representation of a side view in perspective of the housing housing the axis supporting the support elements.
Description détaillée de l'inventionDetailed description of the invention

Dans la suite de la description et des revendications, les termes « haut » et « bas », « avant » et « arrière », « au-dessus » et « en dessous », « supérieur » et « inférieur », « vertical » et « horizontal » font référence à la position normale d'utilisation du dispositif selon l'invention, en particulier à la position telle que représentée aux figures 1 à 8.In the following description and claims, the terms "top" and "bottom", "front" and "rear", "above" and "below", "upper" and "lower", "vertical" and "horizontal" refer to the normal position of use of the device according to the invention, in particular to the position as shown in Figures 1 to 8 .

A titre d'exemple non limitatif, la table élévatrice 1 selon l'invention va être décrite pour un usage médical, en particulier vétérinaire, de forme générale parallélépipédique. Toutefois, une telle table élévatrice 1 peut avoir toutes les formes et dimensions adéquates et être utilisée dans d'autres domaines techniques, notamment des domaines non médicaux.By way of nonlimiting example, the lifting table 1 according to the invention will be described for medical use, in particular veterinary, of generally parallelepiped shape. However, such a lifting table 1 can have all the appropriate shapes and dimensions and be used in other technical fields, in particular non-medical fields.

La table élévatrice 1 comprend un sous-châssis 2, un châssis 3 destiné à supporter un plateau, des moyens 4 de déplacement vertical du châssis 3 par rapport au sous-châssis 2, des moyens 5 d'entrainement des moyens 4 de déplacement et éventuellement un plateau.The lifting table 1 comprises a sub-frame 2, a frame 3 intended to support a platform, means 4 for vertical movement of the frame 3 relative to the sub-frame 2, means 5 for driving the means 4 for movement and possibly a tray.

De préférence, le sous-châssis 2 a une section dans le plan horizontal du sol, dans le plan X-Y, en forme de « U » (figure 1). Il comprend ou consiste en au moins deux premiers profilés 6 et 7 parallèles, ou sensiblement parallèles, l'un par rapport à l'autre. De préférence, il s'agit de deux premiers profilés, des chemins ou rails, de section dans le plan X-Z en forme de « U », dont l'ouverture fait face à la partie supérieure de la table élévatrice 1. Les profilés 6 et 7 sont reliés l'un à l'autre par au moins un premier élément ou rail transversal 8, disposé perpendiculaire auxdits premiers profilés 6 et 7, de préférence à l'une des extrémités des premiers profilés 6 et 7. Ce premier élément ou rail transversal 8 forme un axe d'articulation pour les moyens 5 d'entrainement des moyens 4 de déplacement vertical du châssis 3. Il définit également ce que l'on considérera dans la suite de la description comme l'avant du sous-châssis 2 de la table élévatrice 1, alors que l'arrière est formé par le côté opposé à cet élément ou rail transversal 8, en particulier par l'ouverture du « U » de la section X-Y. De manière avantageuse, le sous-châssis 2 comporte aussi un second, un troisième et/ou un quatrième élément ou rail transversal (non représentés) apte(s) à renforcer le sous-châssis 2 et apte(s) à servir de support ou de renfort d'une base pour un élément électrique, tel qu'un transformateur.Preferably, the sub-frame 2 has a section in the horizontal plane of the ground, in the XY plane, in the shape of a "U" ( figure 1 ). It comprises or consists of at least two first sections 6 and 7 which are parallel, or substantially parallel, with respect to one another. Preferably, these are the first two profiles, paths or rails, of section in the XZ plane in the shape of a "U", the opening of which faces the upper part of the lifting table 1. The profiles 6 and 7 are connected to each other by at least a first element or transverse rail 8, arranged perpendicular to said first profiles 6 and 7, preferably at one of the ends of the first profiles 6 and 7. This first element or rail transverse 8 forms a hinge axis for the means 5 for driving the means 4 for vertical displacement of the chassis 3. It also defines what will be considered in the following description as the front of the sub-chassis 2 of the lifting table 1, while the rear is formed by the side opposite to this element or transverse rail 8, in particular by the opening of the "U" of the XY section. Advantageously, the sub-frame 2 also includes a second, a third and / or a fourth element or transverse rail (not shown) capable of strengthening the sub-chassis 2 and capable of serving as a support or reinforcing a base for an electrical element, such as a transformer.

De préférence, les éléments 6, 7 et 8 du sous-châssis 2 sont en contact avec le sol ou une base sur laquelle il repose; toutefois, le sous-châssis 2 peut comprendre des moyens de déplacement, permettant de rendre la table élévatrice 1 mobile. Il peut s'agir, par exemple, de roues ou roulettes, avantageusement disposées sous les premiers profilés 6 et 7 parallèles et/ou sous l'élément ou rail transversal 8, de roues ou roulettes éventuellement munies de moyens de frein.Preferably, the elements 6, 7 and 8 of the sub-frame 2 are in contact with the ground or a base on which it rests; however, the sub-frame 2 may include displacement means, making it possible to make the lifting table 1 mobile. It may be, for example, wheels or casters, advantageously arranged under the first parallel sections 6 and 7 and / or under the element or transverse rail 8, wheels or rollers possibly provided with brake means.

Le châssis 3 de la table élévatrice 1 de l'invention est destiné à supporter un plateau. De préférence, il comprend deux seconds profilés 9 et 10, sensiblement parallèles l'un à l'autre, et sensiblement parallèles respectivement aux premiers profilés 6 et 7 du sous châssis 2, et forment des chemins ou rails. Chaque second profilé 9,10 a au moins une portion ayant une section dans le plan X-Z, en forme de « L » ou partiellement de « U » inversé, leur ouverture étant dirigée vers le bas de la table élévatrice 1, donc faisant face au sous-châssis 2. Les seconds profilés 9, et 10 sont reliés par une première traverse ou rail 11, disposée et formant l'avant du châssis 3 et donc de la table élévatrice 1, de préférence, deux traverses 11 et 12.The frame 3 of the lifting table 1 of the invention is intended to support a tray. Preferably, it comprises two second sections 9 and 10, substantially parallel to one another, and substantially parallel respectively to the first sections 6 and 7 of the subframe 2, and form paths or rails. Each second section 9,10 has at least one portion having a section in the XZ plane, in the shape of an “L” or partially of an inverted “U”, their opening being directed towards the bottom of the lifting table 1, therefore facing the sub-frame 2. The second sections 9, and 10 are connected by a first cross-member or rail 11, arranged and forming the front of the frame 3 and therefore of the lifting table 1, preferably two cross-members 11 and 12.

Le plateau, supporté par le châssis 3, est tout support rigide pouvant recevoir une charge. Dans le cas d'une table élévatrice 1 vétérinaire, le plateau doit pouvoir supporter, sans fléchir, le poids d'un animal, par exemple d'environ 80 kg ou plus (de préférence pour une charge de moins de 100Kg). De préférence, le plateau est fait en inox ou en matière plastique c'est-à-dire une matière légère et facilement nettoyable, comme du polyéthylène ou du polypropylène et comprend des rebords, d'environ 1 à 2 cm par exemple, à chacun de ces bords afin d'éviter l'écoulement des fluides le long des bords ou extrémités de ce plateau. Avantageusement, le plateau comprend des moyens de récupération de fluides pouvant s'y trouver, et ces moyens de récupération de fluides coopèrent avec des moyens d'évacuation de ces fluides.The plate, supported by the chassis 3, is any rigid support that can receive a load. In the case of a lifting table 1 veterinary, the plate must be able to support, without bending, the weight of an animal, for example of about 80 kg or more (preferably for a load of less than 100 kg). Preferably, the tray is made of stainless steel or plastic, that is to say a light and easily cleanable material, such as polyethylene or polypropylene and includes flanges, of about 1 to 2 cm for example, each of these edges to prevent the flow of fluids along the edges or ends of this tray. Advantageously, the plate comprises means for recovering fluids which may be there, and these means for recovering fluids cooperate with means for discharging these fluids.

Les seconds profilés 9, 10 et/ou le plateau peuvent aussi comprendre des moyens de fixation d'une rallonge du plateau, par exemple des orifices formant des points de fixation, la rallonge pouvant être disposée sous le plateau, sur ou entre les seconds profilés 9, 10, et être éventuellement mobile.The second profiles 9, 10 and / or the plate can also include means for fixing an extension of the plate, for example orifices forming fixing points, the extension can be placed under the plate, on or between the second profiles. 9, 10, and possibly be mobile.

Les seconds profilés 9 et 10 et/ou le plateau peuvent également comprendre des moyens de fixation d'accessoires à la table élévatrice 1, comme par exemple des fixations de liens, un porte-perfusion, un support pour soutien du tube anesthésie, un support pour fixation d'un membre de l'animal. De préférence, ces moyens de fixation peuvent être mobiles le long des seconds profilés 9 et 10 et/ou du plateau. Ces moyens peuvent être ou comprendre des rails disposés autour du plateau.The second sections 9 and 10 and / or the tray can also include means for attaching accessories to the lifting table 1, such as, for example, link fixings, an infusion holder, a support for supporting the anesthesia tube, a support for fixation of a member of the animal. Preferably, these fixing means can be mobile along the second sections 9 and 10 and / or the plate. These means can be or include rails arranged around the plate.

Les moyens 4 de déplacement vertical du châssis 3 permettent de déplacer le châssis 3, et donc le plateau supporté par le châssis 3, depuis une position dite « basse » ou « repliée », dans laquelle le châssis 3 est proche du sous châssis 2, et donc du sol sur lequel repose le sous-châssis ou ses roues (figure 4), à une position dite « haute » ou « dépliée » dans lequel le châssis 3 se trouve éloigné du sous-châssis 2, donc du sol (figure 1), et inversement.The means 4 for vertical displacement of the chassis 3 make it possible to move the chassis 3, and therefore the plate supported by the chassis 3, from a position called "low" or "folded", in which the chassis 3 is close to the sub-chassis 2, and so the ground on which the subframe or its wheels rest ( figure 4 ), in a so-called “high” or “unfolded” position in which the chassis 3 is distant from the sub-chassis 2, therefore from the ground ( figure 1 ), and vice versa.

Ces moyens 4 de déplacement vertical comprennent une première série 13 de deux bras de levage 131 et 132, formant un premier côté de la table 1 élévatrice lorsque cette dernière est en position haute, et une seconde série 14, de deux bras de levage 141 et 142, formant un second côté de la table 1 élévatrice, opposé au premier coté. Les bras de levage 131, 132, 141 et 142, en position dépliée, définissent ainsi un espace interne 15 de la table élévatrice 1.These means 4 for vertical displacement comprise a first series 13 of two lifting arms 131 and 132, forming a first side of the lifting table 1 when the latter is in the high position, and a second series 14, of two lifting arms 141 and 142, forming a second side of the lifting table 1, opposite the first side. The lifting arms 131, 132, 141 and 142, in the unfolded position, thus define an internal space 15 of the lifting table 1.

Les bras de levage 131 et 132 de la première série 13, comme les bras de levage 141 et 142 de la seconde série 14, sont des bras dit « de ciseaux », car chaque bras complémentaire d'une série, les bras 131 et 132 d'une part, et les bras 141 et 142 d'autre part, sont liés l'un à l'autre de manière pivotante, chaque série de bras par rapport à un point de pivotement déterminé, respectivement A et A', se situant de préférence à équidistance des extrémités de chaque bras de levage 131, 132, 141 et 142. Au travers des points de pivotement A et A', passe un axe de pivotement A-A' par rapport auquel les bras de levage 131, 132, 141 et 142 se plient et se déplient (figure 2).The lifting arms 131 and 132 of the first series 13, like the lifting arms 141 and 142 of the second series 14, are so-called “scissor” arms, because each complementary arm of a series, the arms 131 and 132 on the one hand, and the arms 141 and 142 on the other hand, are linked to each other in a pivoting manner, each series of arms with respect to a determined pivot point, respectively A and A ', being situated preferably equidistant from the ends of each lifting arm 131, 132, 141 and 142. Through the pivot points A and A ', passes a pivot axis AA' relative to which the lifting arms 131, 132, 141 and 142 fold and unfold ( figure 2 ).

De préférence, l'axe A-A' engage les bras de levage 131, 132, 141 et 142 par l'intermédiaire d'une bague en métal, de préférence une bague réalisée en bronze, afin de limiter les frottements.Preferably, the axis A-A 'engages the lifting arms 131, 132, 141 and 142 by means of a metal ring, preferably a ring made of bronze, in order to limit friction.

Chaque bras de levage complémentaire 131 et 132 ou 141 et 142 comprend une partie dite « supérieure », se situant au-dessus de l'axe A-A', et donc entre l'axe A-A' et le châssis 3, et une partie dite « inférieure », se situant en dessous de l'axe A-A' et donc entre l'axe A-A' et le sous châssis 2.Each complementary lifting arm 131 and 132 or 141 and 142 comprises a so-called “upper” part, located above the axis AA ′, and therefore between the axis AA ′ and the chassis 3, and a part called "lower", located below the axis AA 'and therefore between the axis AA' and the subframe 2.

Chaque bras de levage complémentaire 131 et 132 ou 141 et 142 comprend une extrémité mobile en translation par rapport au sous-châssis 2 ou au châssis 3, et une extrémité fixe, à savoir non mobile en translation, mais articulée, à savoir pivotante, par rapport sous-châssis 2 ou au châssis 3.Each complementary lifting arm 131 and 132 or 141 and 142 comprises an end movable in translation relative to the sub-frame 2 or to the frame 3, and a fixed end, namely not movable in translation, but articulated, namely pivoting, by subframe 2 or chassis 3 ratio.

Les bras 131 et 141 comprennent une extrémité inférieure fixe, mais articulée de façon pivotante, par rapport au sous châssis 2, de préférence à l'élément ou rail transversal 8 et une extrémité supérieure engageant respectivement les seconds profilés 10 et 9 de façon mobile en translation. De préférence, cette extrémité supérieure comprend un galet ou une roulette engageant, et pouvant se déplacer dans, le second profilé 9 ou le second profilé 10. Les bras 132 et 142 comprennent une extrémité supérieure fixée de façon pivotante au châssis 3, de préférence aux seconds profilés 9 et 10, avantageusement également à la traverse 11, et une extrémité inférieure engageant respectivement les premiers profilés 7 et 6, de façon mobile en translation. De préférence, cette extrémité inférieure comprend un galet ou une roulette engageant, et pouvant se déplacer dans ou sur le premier profilé 6 ou 7.The arms 131 and 141 comprise a fixed lower end, but pivotally articulated, relative to the subframe 2, preferably to the element or transverse rail 8 and an upper end respectively engaging the second sections 10 and 9 in a movable manner. translation. Preferably, this end upper comprises a roller or a caster engaging and able to move in, the second profile 9 or the second profile 10. The arms 132 and 142 include an upper end pivotally attached to the frame 3, preferably to the second profiles 9 and 10 , advantageously also at the cross member 11, and a lower end respectively engaging the first sections 7 and 6, so as to be movable in translation. Preferably, this lower end comprises an engaging roller or roller, which can move in or on the first profile 6 or 7.

Les bras de levage 131, 132, 141 et 142 prennent toute forme, possèdent toutes dimensions adéquates et sont faits de tous matériaux adéquats. De préférence, il s'agit d'éléments tubulaires en métal.The lifting arms 131, 132, 141 and 142 take any shape, have any suitable dimensions and are made of all suitable materials. Preferably, these are tubular metal elements.

Les moyens 5 d'entrainement des moyens 4 de déplacement permettent le dépliement et repliement des bras de levage 131, 132, 141 et 142 et donc la montée et la descente du châssis 3 et donc du plateau. Ces moyens 5 d'entrainement sont, ou comprennent, au moins un vérin ou piston, hydraulique ou électrique, capable de soulever le plateau, muni de sa charge, depuis sa position basse à sa position haute, et inversement. Ils comprennent ou coopèrent avec des moyens d'alimentation en électricité et des moyens de commande des moyens 5 d'entrainement.The means 5 for driving the displacement means 4 allow the unfolding and folding of the lifting arms 131, 132, 141 and 142 and therefore the raising and lowering of the chassis 3 and therefore of the platform. These drive means 5 are, or comprise, at least one jack or piston, hydraulic or electric, capable of lifting the plate, provided with its load, from its low position to its high position, and vice versa. They include or cooperate with means for supplying electricity and means for controlling the drive means.

Une première extrémité des moyens 5 d'entrainement est fixée au sous-châssis 2 de manière pivotante, mais non mobile en translation, de préférence à l'avant du sous-châssis 2 et donc de la table élévatrice, avantageusement à l'élément transversal 8, la seconde extrémité de ces moyens 5 comprenant des premiers moyens d'appui 16 coopérant avec des premiers moyens de poussée 17 desdits premiers moyens d'appui 16.A first end of the drive means 5 is fixed to the sub-frame 2 in a pivoting manner, but not movable in translation, preferably at the front of the sub-frame 2 and therefore of the lifting table, advantageously to the transverse element. 8, the second end of these means 5 comprising first support means 16 cooperating with first pushing means 17 of said first support means 16.

De préférence, le vérin est électrique. Il est disposé dans l'espace 15 de la table élévatrice 1, l'élément mobile du vérin, le piston, étant disposé à proximité du sous châssis 2, en particulier de l'élément transversal 8, et son moteur est disposé proche de l'axe A-A' des bras de levage 131, 132, 141 et 142. Cela présente l'avantage d'obtenir une table élévatrice 1 compacte une fois repliée.Preferably, the actuator is electric. It is arranged in the space 15 of the lifting table 1, the movable element of the jack, the piston, being arranged near the sub-frame 2, in particular of the transverse element 8, and its motor is arranged close to the 'axis AA' of the lifting arms 131, 132, 141 and 142. This has the advantage of obtaining a compact lifting table 1 once folded.

Les moyens 5 d'entrainement des moyens 4 de déplacement comprennent au moins des premiers moyens d'appui 16 coopérant avec les premiers moyens de poussée 171 et 172 de ces premiers moyens d'appui 16.The means 5 for driving the displacement means 4 comprise at least first support means 16 cooperating with the first thrust means 171 and 172 of these first support means 16.

Les premiers moyens d'appui 16 comprennent ou consistent en un, de préférence deux galets ou roues 161 et 162, disposés à l'extrémité d'un axe 163, qui est orienté perpendiculaire à l'axe des moyens 5 d'entrainement.The first support means 16 comprise or consist of one, preferably two rollers or wheels 161 and 162, arranged at the end of an axis 163, which is oriented perpendicular to the axis of the drive means 5.

De préférence, les extrémités de l'axe 163 comprennent ou consistent chacune un organe de liaison 164 avec une traverse 165, permettant de rigidifier l'axe 163 et de fournir un support sur lequel les moyens de poussée 17 viennent prendre appui et se déplacer.Preferably, the ends of the axis 163 each comprise or consist of a connecting member 164 with a cross member 165, making it possible to stiffen the axis 163 and to provide a support on which the pushing means 17 come to bear and move.

De préférence, les galets 161 et 162 sont des roulements étanches, montés sur l'axe 163 par l'intermédiaire de bagues métalliques, de préférence des bagues réalisées en bronze.Preferably, the rollers 161 and 162 are sealed bearings, mounted on the axis 163 by means of metal rings, preferably rings made of bronze.

Le galet 161 ou le galet 162 prendra appui et se déplace sur des moyens de poussée 17 qui sont liés aux bras de levage 131, 141, de préférence à la partie supérieure des bras de levage 131 et 141, dont l'extrémité inférieure est fixée au sous-châssis 2, mais mobile de façon pivotante, et dont l'extrémité supérieure est mobile dans le seconds profilés 9 et 10 du châssis 3.The roller 161 or the roller 162 will bear and move on pushing means 17 which are linked to the lifting arms 131, 141, preferably at the upper part of the lifting arms 131 and 141, the lower end of which is fixed. to the subframe 2, but pivotally movable, and the upper end of which is movable in the second sections 9 and 10 of the chassis 3.

Les moyens de poussée des moyens d'appui ne sont pas, et ne font pas partie intégrante des bras de levage 131, 141, 132 et 142. Il s'agit de moyens distincts, disposés à proximité des bras de levage 131, 141, 132 et 142, mais auxquels ils sont liés physiquement.The thrust means of the support means are not, and do not form an integral part of the lifting arms 131, 141, 132 and 142. These are separate means, disposed near the lifting arms 131, 141, 132 and 142, but to which they are physically linked.

Lorsque la table élévatrice 1 est repliée, le galet 161 ou 162 engage l'extrémité d'un élément 171 ou 172 apte à générer une poussée des premiers moyens d'appui 16, possédant une surface comprenant une courbure convexe 174.When the lifting table 1 is folded, the roller 161 or 162 engages the end of an element 171 or 172 capable of generating a thrust of the first support means 16, having a surface comprising a convex curvature 174.

Lorsque les moyens 5 d'entrainement se mettent en œuvre, à savoir lorsque le piston s'allonge, les galets 161, 162 se déplacent sur la surface de la partie courbée des éléments 171 et 172 aptes à générer une poussée sur les premiers moyens d'appui 16 de bas en haut, ce qui permet le déploiement des bras de levages 131 et 141, leurs extrémités mobiles se déplaçant sous le châssis 3, et lorsque que le piston se raccourcit les bras de levages 131 et 141, se replient.When the drive means 5 are implemented, namely when the piston lengthens, the rollers 161, 162 move on the surface of the curved part of the elements 171 and 172 capable of generating a thrust on the first means d 'support 16 from bottom to top, which allows the deployment of the lifting arms 131 and 141, their movable ends moving under the chassis 3, and when the piston shortens the lifting arms 131 and 141, fold.

La convexité de la courbure de la surface des éléments 171 et 172 aptes à générer une poussée sur les moyens d'appui 16, est dirigée vers le haut ou sensiblement vers le haut, de la table élévatrice 1, vers le châssis 3 et le plateau, lorsque la table élévatrice 1 est repliée (figure 4) et elle est dirigée vers l'avant, ou sensiblement vers l'avant, de la table élévatrice 1 lorsque cette dernière est dépliée (figures 1 et 2).The convexity of the curvature of the surface of the elements 171 and 172 capable of generating a thrust on the support means 16, is directed upwards or substantially upwards, from the lifting table 1, towards the frame 3 and the plate , when the lifting table 1 is folded ( figure 4 ) and it is directed forward, or substantially forward, from the lifting table 1 when the latter is unfolded ( Figures 1 and 2 ).

Les dimensions de la courbure convexe 174 des éléments 171 et 172 de poussée des éléments d'appuis 16, sont choisies de manière à permettre le déploiement et le repliement des bras de levages 131 et 141 à la ou des hauteurs déterminées, permettant à l'usager d'accéder à l'animal présent sur la table à hauteur d'homme. La courbure convexe 174 peut également être variable le long des éléments 171 et 172 de poussée des éléments d'appui 16, afin de permettre une vitesse variable de déploiement et de repliement des bras de levages 131 et 141.The dimensions of the convex curvature 174 of the elements 171 and 172 of the thrust of the support elements 16, are chosen so as to allow the deployment and the folding of the lifting arms 131 and 141 to the determined height or heights, allowing the user to access the animal on the table at breast height. The convex curvature 174 can also be variable along the elements 171 and 172 of the thrust of the support elements 16, in order to allow a variable speed of deployment and folding of the lifting arms 131 and 141.

De préférence, les éléments 171 et 172 de poussée des éléments d'appui, possèdent une portion, adjacente à la portion comprenant la courbure convexe 174, qui est non courbée, avantageusement longitudinale, à l'extrémité de laquelle les éléments 171 et 172 sont liées aux bras de levage 131 et 141, par l'intermédiaire d'une traverse 173, fixée aux bras de levage 131 et 141.Preferably, the elements 171 and 172 of thrust of the support elements, have a portion, adjacent to the portion comprising the convex curvature 174, which is non-curved, advantageously longitudinal, at the end of which the elements 171 and 172 are linked to the lifting arms 131 and 141, via a cross member 173, fixed to the lifting arms 131 and 141.

De préférence, chaque élément 171 ou 172 de poussée des éléments d'appui 16 comprend ou consiste en des moyens de liaison avec l'autre rampe 171 ou 172, comprenant une ouverture 175 dans laquelle s'engage une traverse 176, de préférence de section carrée, des moyens de liaison avec l'axe A-A', par exemple une ouverture constituée d'un trou débouchant 177, dans lequel s'engage l'axe A-A', et des moyens dans lesquels s'engage la traverse 173 de liaison aux bras de levage 131 et 141, par exemple une ouverture constitué d'un trou débouchant 178 (figure 6).Preferably, each element 171 or 172 of thrust of the support elements 16 comprises or consists of means of connection with the other ramp 171 or 172, comprising an opening 175 in which engages a cross member 176, preferably of cross-section square, means of connection with the axis A-A ', for example an opening consisting of a through hole 177, in which the axis A-A' engages, and means in which the crosspiece engages 173 connecting to the lifting arms 131 and 141, for example an opening consisting of a through hole 178 ( figure 6 ).

Les moyens d'appui 16 et ses moyens de poussée 171 et 172 présentent l'avantage de transmettre de façon régulière la poussée du vérin aux bras de levage 131 et 141 et ainsi présentent l'avantage de permettre leur dépliement et leur repliement constant, c'est-à-dire sans à-coups. Avantageusement, cette poussée constante et sans à-coups s'effectue en partant (position repliée) d'un angle de 0° ou proche de 0° entre les axes du ciseau.The support means 16 and its thrust means 171 and 172 have the advantage of regularly transmitting the thrust of the jack to the lifting arms 131 and 141 and thus have the advantage of allowing their unfolding and their constant folding, c that is to say smoothly. Advantageously, this constant and smooth thrust is carried out starting (folded position) from an angle of 0 ° or close to 0 ° between the axes of the chisel.

De préférence, les moyens 5 d'entrainement des moyens 4 de déplacement comprennent en outre des seconds moyens d'appui 18 coopérant avec des seconds moyens 19 de poussée de ces seconds moyens d'appui 18, et ceux-ci sont avantageusement disposés au niveau de la seconde extrémité des moyens 5 d'entrainement.Preferably, the means 5 for driving the displacement means 4 further comprise second support means 18 cooperating with second means 19 for pushing these second support means 18, and these are advantageously arranged at the level of the second end of the drive means 5.

Les seconds moyens d'appui 18 comprennent ou consistent en un, de préférence deux galets ou roues 181 et 182, disposé(s) sur l'axe 163, entre les galets 161 et 162, de préférence disposés à équidistance des galets 161 et 162, avantageusement essentiellement au centre de l'axe 163.The second support means 18 comprise or consist of one, preferably two rollers or wheels 181 and 182, arranged on the axis 163, between the rollers 161 and 162, preferably arranged equidistant from the rollers 161 and 162 , advantageously essentially at the center of the axis 163.

De préférence, les galets 181 et 182 sont des roulements étanches, montés sur l'axe 163 par l'intermédiaire de bagues métalliques, de préférence des bagues réalisées en bronze.Preferably, the rollers 181 and 182 are sealed bearings, mounted on the axis 163 by means of metal rings, preferably rings made of bronze.

Les galets 181 et 182 prennent appui et se déplacent sur des moyens 19 de poussée des moyens d'appuis 18, qui sont liés aux bras de levage 132 et 142, de préférence à la partie supérieure des bras de levage 132 et 142, dont l'extrémité inférieure est mobile sur les éléments 6, 7 du sous châssis 2, et dont l'extrémité supérieure est fixée, de façon pivotante, au châssis 3, de préférence aux profilés 9 et 10 et avantageusement à la traverse 11.The rollers 181 and 182 are supported and move on means 19 for pushing support means 18, which are linked to the lifting arms 132 and 142, preferably to the upper part of the lifting arms 132 and 142, the l the lower end is movable on the elements 6, 7 of the sub-frame 2, and the upper end of which is pivotally fixed to the frame 3, preferably to the sections 9 and 10 and advantageously to the cross-member 11.

Les second moyens 19 de poussée des seconds moyens d'appui 18, ne sont pas, et ne font pas partie intégrante des bras de levage 131 et 141 ainsi que 132 et 142. Il s'agit de moyens distincts, disposés à proximité des bras de levage 131, 141, 132 et 142, mais auxquels ils sont liés physiquement.The second means 19 for pushing the second support means 18, are not, and do not form an integral part of the lifting arms 131 and 141 as well as 132 and 142. These are separate means, arranged near the arms 131, 141, 132 and 142, but to which they are physically linked.

Lorsque la table élévatrice 1 est dépliée, le ou les galets 181 et 182 engagent l'extrémité d'une came 191 ou 192 desdits seconds moyens 19 de poussée des seconds moyens d'appui, possédant une surface comprenant une courbure convexe 194.When the lifting table 1 is unfolded, the roller or rollers 181 and 182 engage the end of a cam 191 or 192 of said second means 19 for pushing second support means, having a surface comprising a convex curvature 194.

Lorsque les moyens 5 d'entrainement se mettent en œuvre, à savoir lorsque le piston s'allonge, les galets 181 et 182 se déplacent sur la partie courbée des cames 191 et 192, qui sont liés aux bras de levages 132 et 142 par l'intermédiaire d'une traverse 193, ce qui permet le déploiement des bras de levages 132 et 142, leurs extrémités mobiles se déplaçant sur le sous châssis 2, et lorsque que le piston se raccourcit les bras de levages 132 et 142, se replient.When the drive means 5 are implemented, namely when the piston lengthens, the rollers 181 and 182 move on the curved part of the cams 191 and 192, which are linked to the lifting arms 132 and 142 by l 'through a cross member 193, which allows the deployment of the lifting arms 132 and 142, their movable ends moving on the subframe 2, and when the piston shortens the lifting arms 132 and 142, fold.

La convexité de la courbure convexe 194 de la surface des cames 191 et 192 est dirigé vers le bas, ou sensiblement vers le bas, de la table élévatrice 1, vers le sous châssis 2, lorsque la table élévatrice 1 est repliée (figure 4), et la convexité de la courbure 194 sera dirigée vers l'avant, ou sensiblement vers l'avant, de la table élévatrice 1, lorsque cette dernière est dépliée (voir figures 1 et 2).The convexity of the convex curvature 194 of the surface of the cams 191 and 192 is directed downwards, or substantially downwards, from the lifting table 1, towards the subframe 2, when the lifting table 1 is folded ( figure 4 ), and the convexity of the curvature 194 will be directed towards the front, or substantially towards the front, of the lifting table 1, when the latter is unfolded (see Figures 1 and 2 ).

Les dimensions de la courbure convexe 194 des cames 191 et 192, sont choisies de manière à permettre le déploiement et le repliement des bras de levages 132 et 142 à la ou les hauteur(s) déterminée(s). La forme et les dimensions de la courbure convexe 194 sont en particulier adaptées à la position des galets 181 et 182 sur l'axe 163, à la position de la traverse 193 liant les cames 191 et 192 aux bras de levage 132 et 142 et à la courbure convexe 174 des éléments 171 et 172, ainsi qu'à la position de la traverse 173. La courbure convexe 194 peut également être variable le long des cames 191 et 192, afin de permettre une vitesse variable de déploiement et de repliement des bras de levages 132 et 142.The dimensions of the convex curvature 194 of the cams 191 and 192 are chosen so as to allow the deployment and folding of the lifting arms 132 and 142 to the determined height (s). The shape and dimensions of the convex curvature 194 are in particular adapted to the position of the rollers 181 and 182 on the axis 163, to the position of the crosspiece 193 connecting the cams 191 and 192 to the lifting arms 132 and 142 and to the convex curvature 174 of the elements 171 and 172, as well as at the position of the cross-member 173. The convex curvature 194 can also be variable along the cams 191 and 192, in order to allow a variable speed of deployment and folding of the arms 132 and 142.

Les seconds moyens d'appui 18 et ses seconds moyens de poussée 19, permettent non seulement le déploiement des bras de levages 132 et 142, mais ils présentent l'avantage de faciliter le déploiement des bras de levages 131 et 141. En effet, ces moyens permettent de répartir la force fournie par les moyens 5 d'entrainement, le vérin, pour le déploiement et repliement, ces derniers s'en trouvent alors plus constant, sans déséquilibre entre les bras levages 132 et 142 et les bras de levage 131 et 141, et donc sans déséquilibre du plateau.The second support means 18 and its second thrust means 19, not only allow the deployment of the lifting arms 132 and 142, but they have the advantage of facilitating the deployment of the lifting arms 131 and 141. Indeed, these means make it possible to distribute the force provided by the drive means 5, the jack, for deployment and folding, the latter then being more constant, without imbalance between the lifting arms 132 and 142 and the lifting arms 131 and 141, and therefore without plateau imbalance.

De préférence, les cames 191 et 192 possèdent une portion, adjacente à la portion comprenant la courbure convexe 194, qui est non courbée, qui est avantageusement une portion essentiellement longitudinale, à l'extrémité de laquelle les cames 191 et 192 des moyens de liaison avec l'axe A-A'. Par exemple la liaison peut être obtenue via une ouverture 195, dans laquelle s'engage l'axe A-A', et par des moyens dans lesquels s'engage la traverse 193 de liaison aux bras de levage 132 et 142, par exemple via une encoche 196 présente à l'extrémité des cames 191 et 192, de préférence présente sur la surface qui est opposée à la surface portant la courbure convexe 194 (figure 7).Preferably, the cams 191 and 192 have a portion, adjacent to the portion comprising the convex curvature 194, which is not curved, which is advantageously an essentially longitudinal portion, at the end of which the cams 191 and 192 of the connecting means with axis A-A '. For example, the connection can be obtained via an opening 195, in which the axis A-A 'engages, and by means in which the crosspiece 193 connecting to the lifting arms 132 and 142 engages, for example via a notch 196 present at the end of the cams 191 and 192, preferably present on the surface which is opposite to the surface carrying the convex curvature 194 ( figure 7 ).

De préférence, l'axe 163 supportant les premiers moyens d'appui 16, et les seconds moyens d'appui 18 s'ils sont présents, est fixé à la seconde extrémité des moyens 5 d'entrainement par l'intermédiaire d'un logement 20 (figure 4).Preferably, the axis 163 supporting the first support means 16, and the second support means 18 if they are present, is fixed to the second end of the drive means 5 by means of a housing 20 ( figure 4 ).

De préférence, et comme représenté à la figure 8, le logement 20 présente une forme sensiblement parallélépipédique et possède une section dans le plan X-Y quand la table élévatrice 1 est repliée (figure 4), et dans le plan X-Z quand la table élévatrice 1 est repliée (figure 1), en forme de « U », comprenant deux bords verticaux 21, 22 reliés par une portion horizontale 23. Cette portion horizontale 23 comprend des moyens de fixation 24 du logement 20 aux moyens 5 d'entrainement et des moyens 4 de déplacement, de préférence au boitier du moteur du vérin. De préférence, ces moyens de fixation 24 comprennent, ou sont, des ouvertures. De préférence, le logement 20 comprend en outre au moins une, avantageusement deux entretoise(s) 25 ou 26.Preferably, and as shown in the figure 8 , the housing 20 has a substantially parallelepiped shape and has a section in the XY plane when the lifting table 1 is folded ( figure 4 ), and in the XZ plane when the lifting table 1 is folded ( figure 1 ), in the shape of a "U", comprising two vertical edges 21, 22 connected by a horizontal portion 23. This horizontal portion 23 comprises means 24 for fixing the housing 20 to the drive means 5 and means 4 for movement, preferably to the cylinder motor housing. Preferably, these fixing means 24 comprise, or are, openings. Preferably, the housing 20 further comprises at least one, advantageously two spacer (s) 25 or 26.

Les bords verticaux 21 et 22 et les entretoises 25 et 26, si elles sont présentes, comprennent des moyens 27 d'engagement de l'axe 163, par exemple au moins une ouverture débouchant recevant l'axe 163, de préférence plusieurs ouvertures qui sont, de préférence, disposés de telle sorte que l'axe 163 soit disposé dans la partie supérieure du logement 20.The vertical edges 21 and 22 and the spacers 25 and 26, if they are present, comprise means 27 for engaging the axis 163, for example at least one opening opening receiving the axis 163, preferably several openings which are preferably arranged so that the pin 163 is disposed in the upper part of the housing 20.

De préférence, le logement comprend ou consiste en un renfort longitudinal 28, disposé en arrière du logement 20 et engageant les bords 21 et 22 et les entretoises 25 et 26, si elles sont présentes, et éventuellement également un, de préférence deux axes 29, 30 longitudinaux, disposés sensiblement parallèle à l'axe 163, et engageant des trous débouchant pratiqués dans les bords 21 et 22 et les entretoises 25 et 26. Le ou les axes 29 et 30 sont disposés de préférence de façon décalé l'un par rapport à l'autre, et avantageusement en avant du logement, et légèrement en position basse, afin de rigidifier avantageusement le logement 20.Preferably, the housing comprises or consists of a longitudinal reinforcement 28, disposed behind the housing 20 and engaging the edges 21 and 22 and the spacers 25 and 26, if they are present, and possibly also one, preferably two axes 29, 30 longitudinal, arranged substantially parallel to the axis 163, and engaging through holes made in the edges 21 and 22 and the spacers 25 and 26. The axis or axes 29 and 30 are preferably arranged offset relative to each other to the other, and advantageously in front of the housing, and slightly in the low position, in order to advantageously stiffen the housing 20.

De préférence, les éléments constitutifs du logement 20 possèdent toutes dimensions adéquates et sont faits de tous matériaux adéquats. De préférence, ce sont des éléments métalliques.Preferably, the constituent elements of the housing 20 have all suitable dimensions and are made of all suitable materials. Preferably, these are metallic elements.

A titre d'exemple, la table élévatrice 1 pour un usage vétérinaire comporte une épaisseur, à savoir une distance du sol au haut du plateau, en position basse, d'environ 10 cm et en position haute d'environ 140 cm. Ce type de table pèse environ 80 kg et supporte une charge maximale d'environ 100kg. Le temps nécessaire pour passer de sa position basse à sa position haute, et inversement, est compris entre environ 25 secondes et environ 30 secondes. Le plateau possède une longueur d'environ 140 cm, pour une largeur d'environ 60 cm et une épaisseur d'environ 10 cm. Ce plateau est de préférence réalisé en acier inoxydable ou en une matière plastique telle que du polyéthylène ou du polypropylène et sa surface supérieure est légèrement creusée, en pente, par exemple d'environ 1 cm par mètre, pour faciliter l'évacuation des fluides vers un trou d'évacuation d'environ 2.5 cm de diamètre, muni d'un goulot d'évacuation, ou vers une fente transversale d'environ 1 cm de large, comprenant un rebord. Le plateau comprend en outre trois rails, ou glissières, entourant la table élévatrice 1, pour fixer des accessoires. Le quatrième côté, l'arrière de la table élévatrice 1 comprend de deux orifices en forme de serrure permettant d'y fixer une rallonge et/ou un bac de récolte des fluides, ce dernier pouvant adopter une forme de caillebotis. La surface de la table élévatrice de l'invention peut aussi comporter un tapis en nano-composites aux propriétés glissantes optimales. En outre, la table élévatrice peut aussi comporter des rampes de glissement (en forme de prisme à base triangulaire ou rectangulaire) posée sur le sol contre le long du plateau de la table et être joignable à une civière mobile venant se loger sur le système d'élévation, afin d'acheminer facilement des animaux de lieux éloignés comme un parking ou une salle d'attente d'un bureau vétérinaire.By way of example, the lifting table 1 for veterinary use has a thickness, namely a distance from the ground to the top of the tray, in the low position, of approximately 10 cm and in the high position of approximately 140 cm. This type of table weighs approximately 80 kg and supports a maximum load of approximately 100 kg. The time required to move from its low position to its high position, and vice versa, is between approximately 25 seconds and approximately 30 seconds. The tray has a length of about 140 cm, for a width of about 60 cm and a thickness of about 10 cm. This tray is preferably made of stainless steel or a plastic material such as polyethylene or polypropylene and its upper surface is slightly hollowed out, sloping, for example about 1 cm per meter, to facilitate the evacuation of fluids to a discharge hole of about 2.5 cm in diameter, provided with a discharge neck, or to a transverse slot of about 1 cm wide, including a rim. The tray further comprises three rails, or slides, surrounding the lifting table 1, for fixing accessories. The fourth side, the rear of the lifting table 1 includes two lock-shaped holes for attaching an extension and / or a fluid collection tank, the latter may adopt a form of grating. The surface of the lifting table of the invention can also include a nano-composite mat with optimal sliding properties. In addition, the lifting table can also have sliding ramps (in the form of a prism with a triangular or rectangular base) placed on the ground against the length of the table top and can be reached by a mobile stretcher which is housed on the system. 'elevation, in order to easily transport animals from distant places such as a parking lot or a waiting room of a veterinary office.

Les bras de levage 131, 132, 141 et 142 sont des éléments tubulaires en acier inoxydable ou aluminium. Ils sont mis en mouvement à l'aide d'un vérin électrique, qui est contrôlé par une commande, une pédale fixe au sol ou un bouton poussoir. Le vérin est par exemple un modèle de type SMPS30 de la société LINAK® ou de préférence le modèle LILAK LA40 HP ® d'environ 98mm présentant les caractéristiques nécessaires de force, d'encombrement et de position de l'axe de poussée adéquates qui sera fixé de manière sur la table élévatrice de l'invention. Son moteur possède une épaisseur d'environ 107 mm, et développe une poussée de 8000 N. Le piston possède une course d'environ 260 mm et le vérin possède une longueur refermée d'environ 175 mm. La table élévatrice de l'invention pourra aussi comporter un plateau supérieur percé d'un trou d'environ 200mm de diamètre pour pratiquer des échocardiographies sur un animal couché ou d'autres éléments facilitant son déplacement et son ergonomie comme des roulettes amovibles, un tapis balance digitale ou un plateau inclinable.The lifting arms 131, 132, 141 and 142 are tubular elements made of stainless steel or aluminum. They are set in motion using an electric jack, which is controlled by a control, a fixed pedal on the ground or a push button. The jack is for example a model of type SMPS30 from the company LINAK® or preferably the model LILAK LA40 HP® of about 98mm having the necessary characteristics of strength, size and position of the adequate thrust axis which will be fixed so on the lifting table of the invention. Its motor has a thickness of approximately 107 mm, and develops a thrust of 8000 N. The piston has a stroke of approximately 260 mm and the cylinder has a closed length of approximately 175 mm. The lifting table of the invention may also include an upper plate pierced with a hole of approximately 200 mm in diameter for performing echocardiographies on a lying animal or other elements facilitating its movement and its ergonomics such as removable casters, a carpet digital scale or a tilting tray.

Claims (15)

Table élévatrice (1) pouvant passer d'une position repliée à une position dépliée, et inversement, comprenant - un sous-châssis (2) comprenant deux premiers profilés (6 et 7) disposés parallèlement l'un à l'autre, et reliés l'un à l'autre par au moins un élément transversal (8), - un châssis (3) destiné à supporter un plateau et comprenant deux seconds profilés (9, 10) disposés parallèlement l'un à l'autre et par rapport aux premiers profilés (6, 7) dudit sous-châssis (2), - des moyens (4) de déplacement vertical dudit châssis (3) par rapport audit sous-châssis (2) comprenant deux séries (13, 14) de bras de levage (131, 132, 141 et 142) liés l'un à l'autre de façon pivotante par rapport à un axe A-A' et comprenant une extrémité mobile en translation sur ou dans lesdits premiers profilés (6, 7) ou sous ou dans lesdits seconds profilés (9, 10), et une extrémité montée pivotante par rapport audit sous-châssis (2) ou audit châssis (3), - des moyens (5) d'entrainement desdits moyens (4) de déplacement comprenant une extrémité fixée de manière pivotante audit élément transversal (8) et une autre extrémité comprenant des premiers moyens d'appui (16) prenant appui et se déplacent sur des premiers moyens (171 et 172) de poussée des moyens d'appuis (16) lesdits moyens de poussée (171 et 172) étant montés pivotant selon ledit axe A-A' et étant liés, par l'intermédiaire d'une traverse (173), à une partie supérieure des bras de levage (131 et 141) qui sont mobiles en translation sous ou dans lesdits seconds profilés (9, 10). Lift table (1) which can pass from a folded position to an unfolded position, and vice versa, comprising a sub-frame (2) comprising two first sections (6 and 7) arranged parallel to one another, and connected to each other by at least one transverse element (8), - a frame (3) intended to support a plate and comprising two second sections (9, 10) arranged parallel to each other and with respect to the first sections (6, 7) of said sub-frame (2), - Means (4) for vertical displacement of said chassis (3) relative to said sub-chassis (2) comprising two series (13, 14) of lifting arms (131, 132, 141 and 142) linked one to the other 'other pivotally with respect to an axis AA' and comprising an end movable in translation on or in said first profiles (6, 7) or under or in said second profiles (9, 10), and one end mounted pivoting with respect to said subframe (2) or to said chassis (3), - Means (5) for driving said displacement means (4) comprising one end pivotally attached to said transverse element (8) and another end comprising first support means (16) which take support and move on first means (171 and 172) of pushing the support means (16) said pushing means (171 and 172) being pivotally mounted along said axis AA ′ and being linked, by means of a cross-member (173), to an upper part of the lifting arms (131 and 141) which are movable in translation under or in said second sections (9, 10). La table élévatrice (1) selon la revendication 1, dans laquelle les premiers moyens d'appui (16) comprennent deux galets (161 et 162) disposés à l'extrémité d'un axe (163), ledit axe (163) étant orienté perpendiculaire à l'axe des moyens (5) d'entrainement et des moyens (4) de déplacement.The lifting table (1) according to claim 1, in which the first support means (16) comprise two rollers (161 and 162) arranged at the end of an axis (163), said axis (163) being oriented perpendicular to the axis of the drive means (5) and the displacement means (4). La table élévatrice (1) selon l'une quelconque des revendications 1 ou 2, dans laquelle les premiers moyens (171 et 172) de poussée des premiers moyens d'appuis (16), comprennent une première portion ayant une surface avec une courbure convexe (174), sur laquelle se déplacent les premiers moyens d'appui (16) et une seconde portion, adjacente à la première portion, qui est longitudinale et à l'extrémité de laquelle s'engage la traverse (173).The lifting table (1) according to any one of claims 1 or 2, in which the first means (171 and 172) of thrust of the first support means (16), comprise a first portion having a surface with a convex curvature (174), on which the first bearing means (16) move and a second portion, adjacent to the first portion, which is longitudinal and at the end of which the crosspiece (173) engages. La table élévatrice (1) selon la revendication 3, dans laquelle la courbure convexe (174) des premiers moyens de poussée (171 et 172) possède une convexité dirigée vers le châssis (3), lorsque ladite table élévatrice (1) est repliée et une convexité dirigée sensiblement vers l'avant de ladite table élévatrice (1), lorsque ladite table élévatrice (1) est dépliée.The lifting table (1) according to claim 3, in which the convex curvature (174) of the first pushing means (171 and 172) has a convexity directed towards the frame (3), when said lifting table (1) is folded up and a convexity directed substantially towards the front of said lifting table (1), when said lifting table (1) is unfolded. La table élévatrice (1) selon l'une quelconque des revendications précédentes, comprenant en outre des seconds moyens d'appui (18) montés pivotant selon ledit axe A-A' et étant liés, par l'intermédiaire d'une traverse (193), à la partie supérieure des bras de levage (132 et 142) mobiles en translation sur ou dans les premiers profilés (6, 7) du sous-châssis (2).The lifting table (1) according to any one of the preceding claims, further comprising second support means (18) pivotally mounted along said axis AA 'and being linked, by means of a cross-member (193), to the upper part of the lifting arms (132 and 142) movable in translation on or in the first sections (6, 7) of the sub-frame (2). La table élévatrice (1) selon la revendication 5, dans laquelle les seconds moyens d'appui (18) comprennent deux galets (181 et 182) disposés sur l'axe (163) portant les premiers moyens d'appui (16).The lifting table (1) according to claim 5, in which the second support means (18) comprise two rollers (181 and 182) arranged on the axis (163) carrying the first support means (16). La table élévatrice (1) selon la revendication 5 ou la revendication 6, comprenant des seconds moyens de poussée des seconds moyens d'appuis (18) qui sont des cames (191 et 192), dont une première portion comprend une surface ayant une courbure convexe (194) sur laquelle se déplacent les seconds moyens d'appui (18).The lifting table (1) according to claim 5 or claim 6, comprising second means for pushing second support means (18) which are cams (191 and 192), a first portion of which comprises a surface having a curvature convex (194) on which the second support means (18) move. La table élévatrice (1) selon la revendication 7, dans laquelle la courbure convexe (194) des cames (191 et 192) possède une convexité dirigée vers le sous-châssis (2), lorsque ladite table élévatrice (1) est repliée, et possède une convexité dirigée sensiblement vers l'avant de ladite table élévatrice (1), lorsqu'elle est dépliée.The lifting table (1) according to claim 7, in which the convex curvature (194) of the cams (191 and 192) has a convexity directed towards the subframe (2), when said lifting table (1) is folded, and has a convexity directed substantially towards the front of said lifting table (1), when it is unfolded. La table élévatrice (1) selon l'une quelconque des revendications précédentes, dans laquelle l'axe (163) est fixé aux moyens (5) d'entrainement par l'intermédiaire d'un logement (20) de section en forme de « U », comprenant deux bords verticaux (21, 22) entre lesquels sont disposés des entretoises (25, 26) disposés parallèles audits bords verticaux (21 et 22), et éventuellement également un renfort longitudinal (28) et/ou deux axes (29 et 30) longitudinaux disposés sensiblement dans une position parallèle audit axe (163).The lifting table (1) according to any one of the preceding claims, in which the axis (163) is fixed to the drive means (5) by means of a housing (20) of section in the form of " U ", comprising two vertical edges (21, 22) between which are placed spacers (25, 26) arranged parallel to said vertical edges (21 and 22), and possibly also a longitudinal reinforcement (28) and / or two axes (29 and 30) longitudinal arranged substantially in a position parallel to said axis (163). La table élévatrice (1) selon l'une quelconque des revendications précédentes dans laquelle les moyens (5) d'entrainement des moyens (4) de déplacement, comprennent un vérin électrique.The lifting table (1) according to any one of the preceding claims in which the means (5) for driving the means (4) for movement, comprise an electric actuator. La table élévatrice (1) selon l'une quelconque des revendications précédentes, comprenant en outre un plateau disposé sur le châssis (3).The lifting table (1) according to any one of the preceding claims, further comprising a tray disposed on the frame (3). La table élévatrice (1) selon l'une quelconque des revendications précédentes, dans laquelle les profilés (9 et 10) du châssis (3) et/ou le plateau comprennent des moyens de fixation d'une rallonge dudit plateau.The lifting table (1) according to any one of the preceding claims, in which the profiles (9 and 10) of the frame (3) and / or the plate comprise means for fixing an extension of said plate. La table élévatrice (1) selon l'une quelconque des revendications précédentes, les profilés (9 et 10) du châssis (3) et/ou le plateau comprennent des moyens de fixation d'accessoires.The lifting table (1) according to any one of the preceding claims, the profiles (9 and 10) of the frame (3) and / or the plate comprise means for fixing accessories. La table élévatrice (1) selon l'une quelconque des revendications précédentes, comprenant au moins un second élément transversal reliant les premières profilés (6, 7) du sous-châssis (2) et apte à servir de support à un transformateur électrique.The lifting table (1) according to any one of the preceding claims, comprising at least a second transverse element connecting the first sections (6, 7) of the subframe (2) and capable of serving as a support for an electric transformer. Utilisation de la table élévatrice (1) selon l'une quelconque des revendications précédentes pour un usage vétérinaire.Use of the lifting table (1) according to any one of the preceding claims for veterinary use.
EP19204542.5A 2018-11-13 2019-10-22 Lift table Active EP3653170B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE20185799A BE1026784B1 (en) 2018-11-13 2018-11-13 LIFTING TABLE

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EP3653170A1 true EP3653170A1 (en) 2020-05-20
EP3653170B1 EP3653170B1 (en) 2021-06-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794694A (en) 1952-01-24 1957-06-04 Air Reduction Surgical operating table with hydraulic actuating means
FR1343743A (en) 1962-10-12 1963-11-22 Louis & Fils Ets Lifting table
US3628771A (en) * 1969-07-28 1971-12-21 Haakon G Egeland Scissors-type lifting linkage elevator
WO1988005759A1 (en) 1987-02-04 1988-08-11 Hymo Ab Arrangement for a hydraulic lifting table
DE8914070U1 (en) 1988-12-23 1990-01-11 Basler Eisenmöbelfabrik AG vormals Theodor Breunlin & Cie., Zunzgen Height-adjustable reclining furniture, especially hospital or nursing beds
US20070125314A1 (en) 1997-12-16 2007-06-07 Midmark Corporation Adjustable height veterinary table
CN103508372A (en) 2012-06-21 2014-01-15 株式会社名机工 Workbench lifting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794694A (en) 1952-01-24 1957-06-04 Air Reduction Surgical operating table with hydraulic actuating means
FR1343743A (en) 1962-10-12 1963-11-22 Louis & Fils Ets Lifting table
US3628771A (en) * 1969-07-28 1971-12-21 Haakon G Egeland Scissors-type lifting linkage elevator
WO1988005759A1 (en) 1987-02-04 1988-08-11 Hymo Ab Arrangement for a hydraulic lifting table
DE8914070U1 (en) 1988-12-23 1990-01-11 Basler Eisenmöbelfabrik AG vormals Theodor Breunlin & Cie., Zunzgen Height-adjustable reclining furniture, especially hospital or nursing beds
US20070125314A1 (en) 1997-12-16 2007-06-07 Midmark Corporation Adjustable height veterinary table
CN103508372A (en) 2012-06-21 2014-01-15 株式会社名机工 Workbench lifting device

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Publication number Publication date
EP3653170B1 (en) 2021-06-23
BE1026784A1 (en) 2020-06-10
BE1026784B1 (en) 2020-06-15

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