EP3659770A1 - Tool for cutting slate plates with waste collector - Google Patents

Tool for cutting slate plates with waste collector Download PDF

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Publication number
EP3659770A1
EP3659770A1 EP18208741.1A EP18208741A EP3659770A1 EP 3659770 A1 EP3659770 A1 EP 3659770A1 EP 18208741 A EP18208741 A EP 18208741A EP 3659770 A1 EP3659770 A1 EP 3659770A1
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EP
European Patent Office
Prior art keywords
hatch
cutting
end wall
tool
tool according
Prior art date
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Granted
Application number
EP18208741.1A
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German (de)
French (fr)
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EP3659770B1 (en
Inventor
Lionel Marcon
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Edma
Original Assignee
Pierre Grehal et Cie SA
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Application filed by Pierre Grehal et Cie SA filed Critical Pierre Grehal et Cie SA
Priority to EP18208741.1A priority Critical patent/EP3659770B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/0006—Means for guiding the cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/225—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising for scoring or breaking, e.g. tiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/32—Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist
    • B28D1/327—Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist for cutting or shearing easily splittable working materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D15/00—Apparatus or tools for roof working
    • E04D15/02—Apparatus or tools for roof working for roof coverings comprising tiles, shingles, or like roofing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0018—Trays, reservoirs for waste, chips or cut products

Definitions

  • the invention relates to a slate or plate cutting tool of similar material, in particular transportable and usable on a roof.
  • the roofer cuts the slate plates on the ground to the general dimension desired, then mounts them on the roof to be covered and cuts them more finely using pliers or special hammers. Then he drills them (also called “punching") and fixes them with hooks on the roof battens.
  • One of the best known slate or fiber cement cutting tools is the CA600 model from JOUANEL.
  • This tool comprises a frame delimiting a cutting table carrying a cutting slot above which a guide rail is arranged.
  • a carriage fitted with a cutting disc engaged in the slot and a pull handle is mounted sliding on the rail.
  • a first end of the rail comprises a reversible retaining means (generally a ball screw) of the carriage and the other end comprises a shock absorption buffer at the end of the stroke.
  • the tool also includes a support table preferably provided with squaring stops.
  • the support table is mounted coplanar with the cutting table to allow the support of part of the plate during cutting. It can be attached to the right or left of the cutting table depending on whether the operator is left or right handed.
  • This tool is very heavy (over 22 kg) and cannot be carried on the roof by one person.
  • Cutting waste discharged through the slot falls directly on the ground which must be swept later.
  • the tool comprises a grip handle fixed to the body of the tool in a plane perpendicular to the cutting plane. It also includes a device for locking the carriage at one end of the rail during transport to prevent the latter from rolling along the guide and creating a dangerous imbalance due to its weight while the user holds the handle in one or two hands.
  • This tool includes a frame raised by toothed feet and a chute for collecting cutting waste surmounted by the cutting table carrying the cutting slot.
  • the collection chute is necessary to prevent waste from damaging the roof.
  • the tool also includes a guide rail, a cutting carriage, as well as a support table to be fixed to the right or left of the cutting table depending on whether the user is right-handed or left-handed.
  • the spacing of the feet is chosen so that they can be inserted between two battens to keep the tool on the roof and prevent it from slipping. Once the surface near the user is covered with slate, the latter slightly raises the tool to disengage the teeth from the batten and slides the tool near a new area to be covered.
  • this tool has the advantage of allowing slates to be cut on the roof, that is to say at the place of use of the slates, it still has many drawbacks.
  • the presence of the collecting chute between the cutting table and the feet makes the tool very unstable and the latter tilts systematically when the user leans on the support table.
  • the tilting can be limited if the teeth of the feet bite strongly in the battens, but the latter is then damaged.
  • the collection chute includes a bottom mounted to pivot vertically, so that to empty the chute, the tool must be tilted to the side and the bottom pivoted. It is then necessary to shake the open tool to remove the waste, but given its size and weight in this position, it is common for the user to drop it. Furthermore, it is common for the bottom of the chute to come off during transport, which empties the chute in an undesired location and risks injuring the user.
  • this tool comprises on the one hand a transport strap fixed to the frame and on the other hand a device for reversible blocking of the carriage at a first end of the rail to prevent the latter from rolling along the guide during movement. Thanks to the strap, the user can use both hands to climb on the roof.
  • the tool is very unbalanced due to the locking arrangement and the tool weighs heavily on the user's shoulder during the climb on the roof. Because of this imbalance, the tool can not be hoisted on the roof with a rope, at the risk of damaging the tool and / or the house.
  • the objective of the present invention is to provide a slate cutting tool usable on a roof, light, practical, safe and economical.
  • the tool includes a waste collection and evacuation system which does not require the tool to tilt while being automatically and easily lockable during transport.
  • the tool can therefore be easily used on a roof without the risk of cutting waste damaging the roof and without the risk of the tool accidentally emptying during transport.
  • At least one of the end walls of the chute is pierced with a waste discharge window and further comprises a door mounted movably between a collection position in which the door closes the window d 'evacuation and an emptying position in which the hatch clears the window.
  • the figure 1 illustrates an embodiment of a tool for cutting a slate plate, or similar material, according to the invention.
  • the tool 100 is positioned between two battens A in the use position.
  • the guide rail is constituted by two L-shaped profiles 121 (also called “angles") arranged facing each other and at a distance from each other to provide a passage for a cutting carriage 130 mounted to slide along the guide rail 120.
  • the cutting carriage 130 comprises a grip handle 131 fixed to a housing 132.
  • the latter protects a cutting disc 133 engaged in the cutting slot 111 and rotatably mounted in the housing by a shaft 134.
  • the casing comprises bearings (not visible in the figure) arranged above and below the horizontal tracks 122 of the angles 121 of the guide rail.
  • the cutting tool 100 also includes a chute 140 for collecting cutting waste.
  • This chute 140 is arranged under the cutting table 110 in order to collect the cutting waste falling through the slot 111 of the cutting table 110.
  • the chute 140 comprises a bottom 141, two side walls 142 and two end walls 143.
  • Each end wall 143 is extended, below the level of the bottom 141 of the chute 140 by feet 148 which allow the tool to be in abutment against one of the battens A of the roof.
  • the feet 148 have teeth 149 directed towards the center of the tool so as to ensure better retention of the tool against the battens A by the simple weight of the tool 100 itself.
  • At least one of the end walls 143 is pierced with a waste discharge window 144.
  • a hatch 150 is associated with the end wall 143 pierced by the window 144 and it is mounted movable between a collection position in which the hatch 150 closes the evacuation window 144, and an emptying position in which the hatch 150 releases the window to let the waste pass.
  • the hatch 150 is slidably mounted parallel to the end wall 143 which carries it.
  • the hatch 150 is arranged between the end wall 143 and the angles 121 so that it is held in the sliding position by the horizontal tracks 122.
  • the hatch 150 and the end wall 143 which carries it are each pierced with a security hole, respectively 151 and 145.
  • These security holes 145 and 151 are arranged so that in the collection position , the security hole 145 of the end wall 143 and the security hole 151 of the hatch 150 are opposite one another.
  • the arrangement according to the invention therefore makes it possible not only to easily evacuate the waste by tilting the tool 100 when the hatch 150 is open while proposing a system for locking the hatch in the closed position, simple, economical and very effective.
  • the security device 160 illustrated in figure 3 is a carabiner but it is also possible to choose a broken ring, a shackle, a quick link, or any other device allowing it to be securely inserted into holes 145 and 151.
  • the safety member is arranged at one end of a strap 161 for carrying the tool.
  • each end wall of the chute 140 is provided with a hatch 150, a window 144, a hole 145 and a hole 151.
  • a strap 161 provided at its two ends with a safety device for carabiner type for locking the hatches 150 on the end walls 143 in the collection position.
  • the or each hatch 150 and the or each end wall 143 is / are each pierced with a skylight, respectively 152 and 146.
  • the skylights 146-152 are arranged so that in position collection, the window 152 of a hatch 150 and the window 146 of the end wall 143 are opposite one another and constitute a handling handle.
  • This handle has a double function: on the one hand it allows to grip the tool 100 at each end with one hand to move it, and on the other hand it allows to grab the hatch 150 and to slide it upwards to that it frees the window 144 from the end wall 143 and that the user can empty the waste collection chute.
  • the illustrated arrangement is particularly advantageous since it allows the chute to be emptied without having to completely turn over the tool and is simple and economical.
  • the hatch 150 can be pivotally mounted on the end wall which carries it.
  • safety holes will be provided on the pivoting hatch and on the end wall to ensure that the hatch is held against the wall by a carabiner 160 or any other safety member when carrying the tool with a strap 161.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

L'invention propose un outil de découpe d'une plaque d'ardoise utilisable sur un toit, sûr et économique.The invention provides a tool for cutting a slate plate usable on a roof, safe and economical.

L'outil de découpe selon l'invention comprend :
• une table de découpe (110) portant une fente de découpe (111) au-dessus de laquelle est agencé un rail de guidage (120),
• un charriot de découpe (130) monté coulissant le long du rail de guidage,
• une goulotte (140) de collecte des déchets de coupe agencée sous la table de découpe (110), la goulotte de collecte comprenant un fond (141), deux parois latérales (142) et deux parois d'extrémité (143),
dans lequel, au moins une des parois d'extrémité (143) de la goulotte est percée d'une fenêtre d'évacuation (144) des déchets et comprend, en outre, une trappe (150) montée mobile entre une position de collecte dans laquelle la trappe (150) ferme la fenêtre d'évacuation (144) et une position de vidage dans laquelle la trappe (150) dégage la fenêtre d'évacuation (144).

Figure imgaf001
The cutting tool according to the invention comprises:
A cutting table (110) carrying a cutting slot (111) above which a guide rail (120) is arranged,
• a cutting carriage (130) slidably mounted along the guide rail,
A chute (140) for collecting cutting waste arranged under the cutting table (110), the collecting chute comprising a bottom (141), two side walls (142) and two end walls (143),
wherein at least one of the end walls (143) of the chute is pierced with a waste discharge window (144) and further comprises a hatch (150) mounted movably between a collection position in which the hatch (150) closes the discharge window (144) and an emptying position in which the hatch (150) releases the discharge window (144).
Figure imgaf001

Description

L'invention concerne un outil de découpe d'ardoise ou de plaques en matériau analogue, en particulier transportable et utilisable sur un toit.The invention relates to a slate or plate cutting tool of similar material, in particular transportable and usable on a roof.

Dans le domaine de la couverture d'habitation, plusieurs matériaux peuvent être utilisés : le zinc, la tuile ou la pierre, telle que de l'ardoise. D'autre matériaux synthétiques peuvent être utilisés pour imiter l'aspect des matières précédemment citées. Par exemple, on peut citer les plaques en fibrociment comme matériau analogue à l'ardoise.In the area of residential roofing, several materials can be used: zinc, tile or stone, such as slate. Other synthetic materials can be used to imitate the appearance of the previously mentioned materials. For example, mention may be made of fiber cement sheets as a material similar to slate.

Dans le domaine de la couverture en ardoise, il existe de nombreux outils spécifiques à cette matière et destinés à couper les plaques, à les tailler selon une forme courbe choisie, à les percer et à les fixer.In the field of slate roofing, there are many tools specific to this material and intended to cut the plates, to cut them according to a selected curved shape, to drill them and to fix them.

En général, le couvreur coupe au sol les plaques d'ardoises à la dimension générale voulue, puis les monte sur le toit à couvrir et les retaille plus finement à l'aide de pinces ou de marteaux spéciaux. Puis il les perce (opération aussi appelée « poinçonnage ») et les fixe par des crochets sur les liteaux du toit. Ces derniers sont des tasseaux longitudinaux, généralement en bois, fixés transversalement à la charpente (généralement les chevrons) du toit et perpendiculairement à la pente du toit.In general, the roofer cuts the slate plates on the ground to the general dimension desired, then mounts them on the roof to be covered and cuts them more finely using pliers or special hammers. Then he drills them (also called "punching") and fixes them with hooks on the roof battens. These are longitudinal battens, generally made of wood, fixed transversely to the frame (generally the rafters) of the roof and perpendicular to the slope of the roof.

Une fois les ardoises posées, soit le couvreur se détache du système de sécurité antichute et redescend de la toiture pour préparer de nouvelles ardoises, soit il est aidé par un assistant qui peut lui monter de nouvelles ardoises pré taillées pour gagner du temps et lui éviter de se détacher. Dans ce dernier cas, les coûts de main d'oeuvre sont beaucoup plus importants.Once the slates have been laid, either the roofer detaches from the fall protection system and goes down from the roof to prepare new slates, or he is helped by an assistant who can mount new pre-cut slates to save time and avoid him to come off. In the latter case, the labor costs are much higher.

L'un des outils de découpe d'ardoise ou de plaques en fibrociment les plus connus est le modèle CA600 de la société JOUANEL. Cet outil comporte un cadre délimitant une table de découpe portant une fente de découpe au-dessus de laquelle est agencé un rail de guidage. Un charriot muni d'un disque de découpe engagé dans la fente et d'une poignée de tirage est monté coulissant sur le rail. Une première extrémité du rail comporte un moyen de retenue réversible (généralement une vis à bille) du chariot et l'autre extrémité comporte un tampon d'amortissement de chocs en fin de course.One of the best known slate or fiber cement cutting tools is the CA600 model from JOUANEL. This tool comprises a frame delimiting a cutting table carrying a cutting slot above which a guide rail is arranged. A carriage fitted with a cutting disc engaged in the slot and a pull handle is mounted sliding on the rail. A first end of the rail comprises a reversible retaining means (generally a ball screw) of the carriage and the other end comprises a shock absorption buffer at the end of the stroke.

L'outil comprend également une table d'appui préférablement munie de butées d'équerrage. La table d'appui est montée de manière coplanaire avec la table de découpe pour permettre l'appui d'une partie de la plaque pendant la découpe. Elle peut être fixée à droite ou à gauche de la table de découpe selon que l'opérateur est gaucher ou droitier.The tool also includes a support table preferably provided with squaring stops. The support table is mounted coplanar with the cutting table to allow the support of part of the plate during cutting. It can be attached to the right or left of the cutting table depending on whether the operator is left or right handed.

Ce dernier place alors la plaque à découper sur la table de découpe et la table d'appui. Ensuite, il déverrouille le moyen de retenue puis il tire le charriot vers lui pour découper la plaque. Enfin, il replace le charriot à la première extrémité et le verrouille pour éviter qu'il ne glisse tout seul et blesse l'utilisateur.The latter then places the plate to be cut on the cutting table and the support table. Then, he unlocks the retaining means and then pulls the cart towards him to cut the plate. Finally, it replaces the cart at the first end and locks it to prevent it from sliding on its own and injuring the user.

Cet outil est très lourd (plus de 22 kg) et n'est pas transportable sur le toit par une seule personne.This tool is very heavy (over 22 kg) and cannot be carried on the roof by one person.

Les déchets de coupe évacués par la fente tombent directement sur le sol qui doit être balayé par la suite.Cutting waste discharged through the slot falls directly on the ground which must be swept later.

Pour être déplacé, l'outil comprend une poignée de préhension fixée sur le corps de l'outil dans un plan perpendiculaire au plan de découpe. Il comprend également un dispositif de blocage du chariot à une extrémité du rail pendant le transport pour éviter que ce dernier ne roule le long du guide et crée un déséquilibre dangereux en raison de son poids pendant que l'utilisateur tient la poignée dans une ou deux mains.To be moved, the tool comprises a grip handle fixed to the body of the tool in a plane perpendicular to the cutting plane. It also includes a device for locking the carriage at one end of the rail during transport to prevent the latter from rolling along the guide and creating a dangerous imbalance due to its weight while the user holds the handle in one or two hands.

Pour pallier ces problèmes, il a déjà été proposé un outil de conception similaire, beaucoup plus léger, et destiné à être monté et utilisé directement sur le toit, appelé « Mini Cad » de la société DIMOS.To overcome these problems, a similar design tool has been proposed, much lighter, and intended to be mounted and used directly on the roof, called "Mini Cad" from the company DIMOS.

Cet outil comprend un cadre surélevé par des pieds dentés et une goulotte de collecte des déchets de coupe surmontée par la table de découpe portant la fente de découpe. La goulotte de collecte est nécessaire pour éviter que les déchets n'abîment le toit. L'outil comprend également un rail de guidage, un charriot de coupe, ainsi qu'une table d'appui à fixer à droite ou à gauche de la table de découpe selon que l'utilisateur est droitier ou gaucher.This tool includes a frame raised by toothed feet and a chute for collecting cutting waste surmounted by the cutting table carrying the cutting slot. The collection chute is necessary to prevent waste from damaging the roof. The tool also includes a guide rail, a cutting carriage, as well as a support table to be fixed to the right or left of the cutting table depending on whether the user is right-handed or left-handed.

L'écartement des pieds est choisi pour qu'ils puissent être insérés entre deux liteaux afin de maintenir l'outil sur le toit et éviter qu'il ne glisse. Une fois que la surface à proximité de l'utilisateur est couverte d'ardoises, ce dernier remonte légèrement l'outil pour dégager les dents du liteau et fait coulisser l'outil à proximité d'une nouvelle zone à couvrir.The spacing of the feet is chosen so that they can be inserted between two battens to keep the tool on the roof and prevent it from slipping. Once the surface near the user is covered with slate, the latter slightly raises the tool to disengage the teeth from the batten and slides the tool near a new area to be covered.

Si cet outil présente l'avantage de permettre une découpe des ardoises sur le toit, c'est-à-dire sur le lieu même d'utilisation des ardoises, il présente tout de même de nombreux inconvénients.If this tool has the advantage of allowing slates to be cut on the roof, that is to say at the place of use of the slates, it still has many drawbacks.

La présence de la goulotte de collecte entre la table de découpe et les pieds rend l'outil très instable et ce dernier bascule systématiquement lorsque l'utilisateur s'appuie sur la table d'appui. Le basculement peut être limité si les dents des pieds mordent fortement dans le liteau, mais ce dernier s'en trouve alors détérioré.The presence of the collecting chute between the cutting table and the feet makes the tool very unstable and the latter tilts systematically when the user leans on the support table. The tilting can be limited if the teeth of the feet bite strongly in the battens, but the latter is then damaged.

La goulotte de collecte comprend un fond monté pivotant verticalement, de sorte que pour vider la goulotte, il faut basculer l'outil sur le côté et ouvrir pivoter le fond. Il faut alors secouer l'outil ainsi ouvert pour retirer les déchets, mais compte tenu de sa taille et de son poids dans cette position, il est fréquent que l'utilisateur le laisse tomber. Par ailleurs, il est fréquent que le fond de la goulotte se détache pendant le transport, ce qui vide la goulotte à un endroit non souhaité et risque de blesser l'utilisateur.The collection chute includes a bottom mounted to pivot vertically, so that to empty the chute, the tool must be tilted to the side and the bottom pivoted. It is then necessary to shake the open tool to remove the waste, but given its size and weight in this position, it is common for the user to drop it. Furthermore, it is common for the bottom of the chute to come off during transport, which empties the chute in an undesired location and risks injuring the user.

Pour pouvoir être transporté sur le toit, cet outil comporte d'une part une sangle de transport fixée au cadre et d'autre part un dispositif de blocage réversible du chariot à une première extrémité du rail pour éviter que ce dernier ne roule le long du guide pendant le déplacement. Grâce à la sangle, l'utilisateur peut utiliser ses deux mains pour monter sur le toit.To be able to be transported on the roof, this tool comprises on the one hand a transport strap fixed to the frame and on the other hand a device for reversible blocking of the carriage at a first end of the rail to prevent the latter from rolling along the guide during movement. Thanks to the strap, the user can use both hands to climb on the roof.

Néanmoins, l'outil est en fort déséquilibre de fait de l'agencement de verrouillage et l'outil pèse fortement sur l'épaule de l'utilisateur pendant la montée sur le toit. Du fait de ce déséquilibre, l'outil ne peut pas non plus être hissé sur le toit avec une corde, au risque d'endommager l'outil et/ou la maison.However, the tool is very unbalanced due to the locking arrangement and the tool weighs heavily on the user's shoulder during the climb on the roof. Because of this imbalance, the tool can not be hoisted on the roof with a rope, at the risk of damaging the tool and / or the house.

L'objectif de la présente invention est de proposer un outil de découpe d'ardoise utilisable sur un toit, léger, pratique, sûr et économique.The objective of the present invention is to provide a slate cutting tool usable on a roof, light, practical, safe and economical.

Par pratique on entend que l'outil doit pouvoir être manipulé facilement, sans nécessité un effort important.By practice is meant that the tool must be able to be handled easily, without requiring significant effort.

Par sûr, on entend que l'outil doit être stable (pas de basculement ou de déséquilibre), aussi bien en utilisation qu'en transport.By sure, we mean that the tool must be stable (no tilting or imbalance), both in use and in transport.

Selon l'invention, l'outil comporte un système de collecte et d'évacuation des déchets ne nécessitant pas le basculement de l'outil tout en étant verrouillable automatiquement et facilement pendant le transport.According to the invention, the tool includes a waste collection and evacuation system which does not require the tool to tilt while being automatically and easily lockable during transport.

L'outil peut donc être facilement être utilisé sur un toit sans risque que les déchets de coupe n'endommagent le toit et sans risque que l'outil ne se vide de manière intempestive pendant le transport.The tool can therefore be easily used on a roof without the risk of cutting waste damaging the roof and without the risk of the tool accidentally emptying during transport.

Ainsi, l'invention a pour objet un outil de découpe d'une plaque d'ardoise ou matériau similaire comprenant :

  • une table de découpe portant une fente de découpe au-dessus de laquelle est agencé un rail de guidage,
  • un charriot de découpe monté coulissant le long du rail de guidage et muni d'un disque de découpe engagé dans la fente et d'une poignée de préhension
  • une goulotte de collecte des déchets de coupe agencée sous la table de découpe, la goulotte de collecte comprenant un fond, deux parois latérales et deux parois d'extrémité,
Thus, the subject of the invention is a tool for cutting a slate plate or similar material comprising:
  • a cutting table carrying a cutting slot above which a guide rail is arranged,
  • a cutting carriage mounted sliding along the guide rail and provided with a cutting disc engaged in the slot and a grip handle
  • a cutting waste collection chute arranged under the cutting table, the collection chute comprising a bottom, two side walls and two end walls,

Selon l'invention, au moins une des parois d'extrémité de la goulotte est percée d'une fenêtre d'évacuation des déchets et comprend, en outre, une trappe montée mobile entre une position de collecte dans laquelle la trappe ferme la fenêtre d'évacuation et une position de vidage dans laquelle la trappe dégage la fenêtre.According to the invention, at least one of the end walls of the chute is pierced with a waste discharge window and further comprises a door mounted movably between a collection position in which the door closes the window d 'evacuation and an emptying position in which the hatch clears the window.

Selon d'autres modes de réalisation :

  • la trappe peut être montée coulissante parallèlement à la paroi d'extrémité qui la porte ;
  • la trappe peut être montée pivotante sur la paroi d'extrémité qui la porte ;
  • la trappe et la paroi d'extrémité qui la porte peuvent être percées chacune d'un trou de sécurité agencés de telle sorte qu'en position de collecte, le trou de sécurité de la trappe et le trou de sécurité de la paroi d'extrémité sont en regard l'un de l'autre ;
  • l'outil de découpe peut comprendre, en outre, un organe de sécurité présentant une partie annulaire ouvrable réversiblement apte à passer dans les trous de sécurité de la trappe et de la paroi d'extrémité en position de collecte et à interdire un mouvement de la trappe par rapport à la paroi d'extrémité ;
  • l'organe de sécurité présentant une partie annulaire ouvrable réversiblement peut être choisi parmi un anneau brisé, un mousqueton, une manille et un maillon rapide ;
  • l'outil de découpe peut comprendre une sangle de portage munie à chaque extrémité d'un organe de sécurité destiné à être fixé dans les trous de sécurité de la ou des trappe(s) et de la ou des parois d'extrémité ; et/ou
  • la ou chaque trappe et la ou chaque paroi d'extrémité peuvent être percées chacune d'une lucarne, les lucarnes étant agencées de telle sorte qu'en position de collecte, la lucarne d'une trappe et la lucarne de la paroi d'extrémité portant la trappe sont en regard l'une de l'autre pour constituer une poignée de manutention.
According to other embodiments:
  • the hatch can be slidably mounted parallel to the end wall which carries it;
  • the hatch can be pivotally mounted on the end wall which carries it;
  • the hatch and the end wall which carries it can each be pierced with a security hole arranged so that in the collection position, the security hole of the hatch and the security hole of the end wall are opposite each other;
  • the cutting tool may further comprise a security member having a reversibly open annular part capable of passing through the security holes of the hatch and of the end wall in the collection position and of preventing movement of the hatch relative to the end wall;
  • the safety member having a reversibly open annular part can be chosen from a broken ring, a carabiner, a shackle and a quick link;
  • the cutting tool may comprise a carrying strap provided at each end with a security member intended to be fixed in the security holes of the hatch (es) and of the end wall (s); and or
  • the or each hatch and the or each end wall can each be pierced with a skylight, the skylights being arranged so that in the collecting position, the skylight of a hatch and the skylight of the end wall carrying the hatch are opposite one another to constitute a handling handle.

D'autres caractéristiques de l'invention seront énoncées dans la description détaillée ci-après, faite en référence aux dessins annexés, qui représentent, respectivement :

  • la figure 1, une vue schématique en perspective d'un mode de réalisation préféré d'un outil de découpe selon l'invention dans lequel la trappe du collecteur de déchet est fermée, en position fermée de collecte des déchets ;
  • la figure 2, une vue schématique en perspective du mode de réalisation de la figure 1 dans lequel la trappe du collecteur de déchet est en position ouverte de vidage des déchets ; et
  • la figure 3, une vue schématique en perspective d'un agrandissement partiel de la figure 1 au niveau d'une extrémité de l'outil comprenant un organe de sécurité verrouillant la trappe en position fermée.
Other characteristics of the invention will be set out in the detailed description below, made with reference to the accompanying drawings, which respectively represent:
  • the figure 1 , a schematic perspective view of a preferred embodiment of a cutting tool according to the invention in which the hatch of the waste collector is closed, in the closed position for collecting waste;
  • the figure 2 , a schematic perspective view of the embodiment of the figure 1 wherein the waste collector hatch is in the open waste emptying position; and
  • the figure 3 , a schematic perspective view of a partial enlargement of the figure 1 at one end of the tool comprising a safety member locking the hatch in the closed position.

La figure 1 illustre un mode de réalisation d'un outil de découpe d'une plaque d'ardoise, où matériau similaire, selon l'invention. L'outil 100 est positionnés entre deux liteaux A en position d'utilisation.The figure 1 illustrates an embodiment of a tool for cutting a slate plate, or similar material, according to the invention. The tool 100 is positioned between two battens A in the use position.

Il comprend une table de découpe 110 portant une fente 111 au-dessus de laquelle est agencé un rail de guidage 120. Dans ce mode de réalisation, le rail de guidage est constitué par deux profilés en L 121 (également appelés « cornière ») agencés en regard l'un de l'autre et à distance l'un de l'autre pour ménager un passage pour un chariot de découpe 130 monté coulissant le long du rail de guidage 120.It comprises a cutting table 110 carrying a slot 111 above which a guide rail 120 is arranged. In this embodiment, the guide rail is constituted by two L-shaped profiles 121 (also called "angles") arranged facing each other and at a distance from each other to provide a passage for a cutting carriage 130 mounted to slide along the guide rail 120.

Le chariot de découpe 130 comprend une poignée de préhension 131 fixée à un carter 132. Ce dernier protège un disque de découpe 133 engagé dans la fente de découpe 111 et monté rotatif dans le carter par un arbre 134.The cutting carriage 130 comprises a grip handle 131 fixed to a housing 132. The latter protects a cutting disc 133 engaged in the cutting slot 111 and rotatably mounted in the housing by a shaft 134.

Le carter comporte des roulements (non visible sur la figure) agencés au-dessus et en dessous des pistes horizontales 122 des cornières 121 du rail de guidage.The casing comprises bearings (not visible in the figure) arranged above and below the horizontal tracks 122 of the angles 121 of the guide rail.

L'outil de découpe 100 selon l'invention comporte également une goulotte 140 de collecte des déchets de coupe. Cette goulotte 140 est agencée sous la table de coupe 110 afin de recueillir les déchets de coupe tombant par la fente 111 de la table de coupe 110.The cutting tool 100 according to the invention also includes a chute 140 for collecting cutting waste. This chute 140 is arranged under the cutting table 110 in order to collect the cutting waste falling through the slot 111 of the cutting table 110.

La goulotte 140 comprend un fond 141, deux parois latérales 142 et deux parois d'extrémité 143.The chute 140 comprises a bottom 141, two side walls 142 and two end walls 143.

Chaque paroi d'extrémité 143 est prolongée, sous le niveau du fond 141 de la goulotte 140 par des pieds 148 qui permettent à l'outil d'être en butée contre un des liteaux A du toit. De préférence, les pieds 148 présentent des dents 149 dirigées vers le centre de l'outil de manière à assurer une meilleure retenue de l'outil contre les liteaux A par le simple poids de l'outil 100 lui-même.Each end wall 143 is extended, below the level of the bottom 141 of the chute 140 by feet 148 which allow the tool to be in abutment against one of the battens A of the roof. Preferably, the feet 148 have teeth 149 directed towards the center of the tool so as to ensure better retention of the tool against the battens A by the simple weight of the tool 100 itself.

Selon l'invention, au moins une des parois d'extrémité 143 est percée d'une fenêtre d'évacuation des déchets 144. Une trappe 150 est associée à la paroi d'extrémité 143 percée par la fenêtre 144 et elle est montée mobile entre une position de collecte dans laquelle la trappe 150 ferme la fenêtre d'évacuation 144, et une position de vidage dans laquelle la trappe 150 dégage la fenêtre pour laisser passer les déchets.According to the invention, at least one of the end walls 143 is pierced with a waste discharge window 144. A hatch 150 is associated with the end wall 143 pierced by the window 144 and it is mounted movable between a collection position in which the hatch 150 closes the evacuation window 144, and an emptying position in which the hatch 150 releases the window to let the waste pass.

Dans le mode de réalisation illustrée, la trappe 150 est montée coulissante parallèlement à la paroi d'extrémité 143 qui la porte. De préférence, la trappe 150 est agencée entre la paroi d'extrémité 143 et les cornières 121 de telle sorte qu'elle est maintenue en position coulissante par les pistes horizontales 122.In the illustrated embodiment, the hatch 150 is slidably mounted parallel to the end wall 143 which carries it. Preferably, the hatch 150 is arranged between the end wall 143 and the angles 121 so that it is held in the sliding position by the horizontal tracks 122.

De manière avantageuse, la trappe 150 et la paroi d'extrémité 143 qui la porte sont percées chacune d'un trou de sécurité, respectivement 151 et 145. Ces trous de sécurité 145 et 151 sont agencés de telle sorte qu'en position de collecte, le trou de sécurité 145 de la paroi d'extrémité 143 et le trou de sécurité 151 de la trappe 150 sont en regard l'un de l'autre.Advantageously, the hatch 150 and the end wall 143 which carries it are each pierced with a security hole, respectively 151 and 145. These security holes 145 and 151 are arranged so that in the collection position , the security hole 145 of the end wall 143 and the security hole 151 of the hatch 150 are opposite one another.

Cet agencement permet d'enfiler dans ces deux trous 145 - 151 en regard l'un de l'autre une partie annulaires ouvrable réversiblement d'un organe de sécurité 160 (voir figure 3). De cette manière, en position de collecte, c'est-à-dire lorsque que la trappe 150 occulte la fenêtre 144, l'organe de sécurité interdit le mouvement relatif de la trappe 150 par rapport à la paroi d'extrémité 143.This arrangement makes it possible to thread into these two holes 145 - 151 opposite one another an annular reversible part of a safety member 160 (see figure 3 ). In this way, in the collection position, that is to say when the hatch 150 obscures the window 144, the safety member prohibits the relative movement of the hatch 150 relative to the end wall 143.

L'agencement selon l'invention permet donc non seulement d'évacuer facilement les déchets en basculant l'outil 100 lorsque la trappe 150 est ouverte tout en proposant un système de verrouillage de la trappe en position fermée, simple, économique et très efficace.The arrangement according to the invention therefore makes it possible not only to easily evacuate the waste by tilting the tool 100 when the hatch 150 is open while proposing a system for locking the hatch in the closed position, simple, economical and very effective.

L'organe de sécurité 160 illustré en figure 3 est un mousqueton mais il est également possible de choisir un anneau brisé, une manille, un maillon rapide, ou tout autre dispositif permettant de s'insérer solidement dans les trous 145 et 151.The security device 160 illustrated in figure 3 is a carabiner but it is also possible to choose a broken ring, a shackle, a quick link, or any other device allowing it to be securely inserted into holes 145 and 151.

De préférence, l'organe de sécurité est agencé à une extrémité d'une sangle 161 de portage de l'outil.Preferably, the safety member is arranged at one end of a strap 161 for carrying the tool.

Pour assurer une grande polyvalence de l'outil, chaque paroi d'extrémité de la goulotte 140 est munie d'une trappe 150, d'une fenêtre 144, d'un trou 145 et d'un trou 151. De cette manière, il est possible d'évacuer les déchets quel que soit le positionnement de l'outil 100 et il est également possible d'utiliser une sangle 161 munie à ses deux extrémités d'un organe de sécurité de type mousqueton pour bloquer les trappes 150 sur les parois d'extrémité 143 en position de collecte.To ensure great versatility of the tool, each end wall of the chute 140 is provided with a hatch 150, a window 144, a hole 145 and a hole 151. In this way, it it is possible to evacuate the waste whatever the positioning of the tool 100 and it is also possible to use a strap 161 provided at its two ends with a safety device for carabiner type for locking the hatches 150 on the end walls 143 in the collection position.

Dans un mode de réalisation avantageuse, la ou chaque trappe 150 et la ou chaque paroi d'extrémité 143 est/sont percées chacune d'une lucarne, respectivement 152 et 146. Les lucarnes 146-152 sont agencées de telle sorte qu'en position de collecte, la lucarne 152 d'une trappe 150 et la lucarne 146 de la paroi d'extrémité 143 sont en regard l'une de l'autre et constituent une poignée de manutention.In an advantageous embodiment, the or each hatch 150 and the or each end wall 143 is / are each pierced with a skylight, respectively 152 and 146. The skylights 146-152 are arranged so that in position collection, the window 152 of a hatch 150 and the window 146 of the end wall 143 are opposite one another and constitute a handling handle.

Cette poignée a une double fonction : d'une part elle permet de saisir l'outil 100 à chaque extrémité avec une main pour le déplacer, et d'autre part elle permet de saisir la trappe 150 et de la faire coulisser vers le haut pour qu'elle libère la fenêtre 144 de la paroi d'extrémité 143 et que l'utilisateur puisse vider la goulotte de collecte des déchets.This handle has a double function: on the one hand it allows to grip the tool 100 at each end with one hand to move it, and on the other hand it allows to grab the hatch 150 and to slide it upwards to that it frees the window 144 from the end wall 143 and that the user can empty the waste collection chute.

L'agencement illustré est particulièrement avantageux puisqu'il permet de vider la goulotte sans avoir à retourner totalement l'outil et qu'il est simple et économique.The illustrated arrangement is particularly advantageous since it allows the chute to be emptied without having to completely turn over the tool and is simple and economical.

Dans un mode de réalisation non illustrée, la trappe 150 peut être montée de manière pivotante sur la paroi d'extrémité qui la porte. Dans ce cas, on prévoira des trous de sécurité sur la trappe pivotante et sur la paroi d'extrémité pour assurer le maintien de la trappe contre la paroi par un mousqueton 160 ou tout autre organe de sécurité lors du portage de l'outil avec une sangle 161.In an embodiment not shown, the hatch 150 can be pivotally mounted on the end wall which carries it. In this case, safety holes will be provided on the pivoting hatch and on the end wall to ensure that the hatch is held against the wall by a carabiner 160 or any other safety member when carrying the tool with a strap 161.

Claims (8)

Outil de découpe (100) d'une plaque d'ardoise ou matériau similaire comprenant : • une table de découpe (110) portant une fente de découpe (111) au-dessus de laquelle est agencé un rail de guidage (120), • un charriot de découpe (130) monté coulissant le long du rail de guidage et muni d'un disque de découpe (133) engagé dans la fente et d'une poignée de préhension (131), • une goulotte (140) de collecte des déchets de coupe agencée sous la table de découpe (110), la goulotte de collecte comprenant un fond (141), deux parois latérales (142) et deux parois d'extrémité (143), caractérisé en ce qu'au moins une des parois d'extrémité (143) de la goulotte est percée d'une fenêtre d'évacuation (144) des déchets et comprend, en outre, une trappe (150) montée mobile entre une position de collecte dans laquelle la trappe (150) ferme la fenêtre d'évacuation (144) et une position de vidage dans laquelle la trappe (150) dégage la fenêtre d'évacuation (144).Tool for cutting (100) a slate plate or similar material comprising: A cutting table (110) carrying a cutting slot (111) above which a guide rail (120) is arranged, A cutting carriage (130) mounted to slide along the guide rail and provided with a cutting disc (133) engaged in the slot and a grip handle (131), A chute (140) for collecting cutting waste arranged under the cutting table (110), the collecting chute comprising a bottom (141), two side walls (142) and two end walls (143), characterized in that at least one of the end walls (143) of the chute is pierced with a waste discharge window (144) and further comprises a hatch (150) mounted movable between a position of collection in which the hatch (150) closes the evacuation window (144) and an emptying position in which the hatch (150) releases the evacuation window (144). Outil de découpe selon la revendication 1, dans lequel la trappe (150) est montée coulissante parallèlement à la paroi d'extrémité (143) qui la porte.Cutting tool according to claim 1, wherein the hatch (150) is slidably mounted parallel to the end wall (143) which carries it. Outil de découpe selon la revendication 1, dans lequel la trappe (150) est montée pivotante sur la paroi d'extrémité qui la porte.Cutting tool according to claim 1, in which the hatch (150) is pivotally mounted on the end wall which carries it. Outil de découpe selon l'une quelconque des revendications 1 à 3, dans lequel la trappe (150) et la paroi d'extrémité (143) qui la porte sont percées chacune d'un trou de sécurité (145-151) agencés de telle sorte qu'en position de collecte, le trou de sécurité (151) de la trappe (150) et le trou de sécurité (145) de la paroi d'extrémité (143) sont en regard l'un de l'autre.Cutting tool according to any one of claims 1 to 3, in which the hatch (150) and the end wall (143) which carries it are each pierced with a safety hole (145-151) arranged in such a way so that in the collection position, the security hole (151) of the hatch (150) and the security hole (145) of the end wall (143) are opposite one another. Outil de découpe selon la revendication 4, comprenant, en outre, un organe de sécurité (160) présentant une partie annulaire ouvrable réversiblement apte à passer dans les trous de sécurité (145-151) de la trappe (150) et de la paroi d'extrémité (143) en position de collecte et à interdire un mouvement de la trappe par rapport à la paroi d'extrémité.Cutting tool according to claim 4, further comprising a security member (160) having a reversible opening annular part capable of passing through the security holes (145-151) of the hatch (150) and the wall of end (143) in the collection position and to prohibit movement of the hatch relative to the end wall. Outil de découpe selon la revendication 5, dans lequel l'organe de sécurité (160) présentant une partie annulaire ouvrable réversiblement est choisi parmi un anneau brisé, un mousqueton, une manille et un maillon rapide.Cutting tool according to claim 5, in which the safety member (160) having a reversibly open annular part is chosen from a broken ring, a carabiner, a shackle and a quick link. Outil de découpe selon la revendication 5 ou 6, comprenant une sangle de portage (161) munie à chaque extrémité d'un organe de sécurité (160) destiné à être fixé dans les trous de sécurité (145-151) de la ou des trappe(s) et de la ou des parois d'extrémité.Cutting tool according to claim 5 or 6, comprising a carrying strap (161) provided at each end with a safety member (160) intended to be fixed in the safety holes (145-151) of the hatch (es) (s) and the end wall (s). Outil de découpe selon l'une quelconque des revendications 1 à 7, dans lequel la ou chaque trappe (150) et la ou chaque paroi d'extrémité (143) sont percées chacune d'une lucarne (146-152), les lucarnes étant agencées de telle sorte qu'en position de collecte, la lucarne (152)d'une trappe (150) et la lucarne (146)de la paroi d'extrémité (143) portant la trappe (150) sont en regard l'une de l'autre pour constituer une poignée de manutention.Cutting tool according to any one of claims 1 to 7, in which the or each hatch (150) and the or each end wall (143) are each pierced with a skylight (146-152), the skylights being arranged so that in the collecting position, the window (152) of a hatch (150) and the window (146) of the end wall (143) carrying the door (150) are opposite one on the other to form a handling handle.
EP18208741.1A 2018-11-28 2018-11-28 Tool for cutting slate plates with waste collector Active EP3659770B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115847630A (en) * 2023-01-03 2023-03-28 山东莘州新型建材科技有限公司 Autoclaved aerated concrete slab cutting processing equipment and processing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29917589U1 (en) * 1999-10-06 2000-01-20 Schretzmann, Gabriele, 53902 Bad Münstereifel Slate bucket
JP2001205624A (en) * 2000-01-28 2001-07-31 Ota Kosan:Kk Cutter device
FR2861630A1 (en) * 2003-10-29 2005-05-06 Participations G Working material slicing apparatus for use in building site, has waste material collecting and storing unit to collect and store waste materials that are produced as result of slicing of materials on slab, by gravity of fall
FR2917000A1 (en) * 2007-06-11 2008-12-12 Paul Parisse Circular saw for cutting wooden plate, has duct connecting release orifice and inlet opening, where duct is oriented such that axis is directed towards base of concave curved wall that closes ends of reception volume
CN108274554A (en) * 2018-03-26 2018-07-13 佛山市博蓄科技有限公司 A kind of regulating multi-functional cutting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29917589U1 (en) * 1999-10-06 2000-01-20 Schretzmann, Gabriele, 53902 Bad Münstereifel Slate bucket
JP2001205624A (en) * 2000-01-28 2001-07-31 Ota Kosan:Kk Cutter device
FR2861630A1 (en) * 2003-10-29 2005-05-06 Participations G Working material slicing apparatus for use in building site, has waste material collecting and storing unit to collect and store waste materials that are produced as result of slicing of materials on slab, by gravity of fall
FR2917000A1 (en) * 2007-06-11 2008-12-12 Paul Parisse Circular saw for cutting wooden plate, has duct connecting release orifice and inlet opening, where duct is oriented such that axis is directed towards base of concave curved wall that closes ends of reception volume
CN108274554A (en) * 2018-03-26 2018-07-13 佛山市博蓄科技有限公司 A kind of regulating multi-functional cutting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115847630A (en) * 2023-01-03 2023-03-28 山东莘州新型建材科技有限公司 Autoclaved aerated concrete slab cutting processing equipment and processing method thereof

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