EP0745544A1 - A device for tipping a refuse container into the body of a refuse-collection vehicle - Google Patents
A device for tipping a refuse container into the body of a refuse-collection vehicle Download PDFInfo
- Publication number
- EP0745544A1 EP0745544A1 EP96108692A EP96108692A EP0745544A1 EP 0745544 A1 EP0745544 A1 EP 0745544A1 EP 96108692 A EP96108692 A EP 96108692A EP 96108692 A EP96108692 A EP 96108692A EP 0745544 A1 EP0745544 A1 EP 0745544A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- vehicle
- guide structure
- actuator
- arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/08—Platform elevators or hoists with guides or runways for raising or tipping receptacles
Definitions
- the present invention concerns a device for tipping a refuse container over the body of a refuse-collection vehicle, comprising:
- a device of the type indicated above is known in which the guide structure is articulated directly at its upper end to a side of the refuse-collection vehicle.
- a hydraulic cylinder is also articulated close to the lower part of this side and, by its extension, is intended to control the inclination of the guide structure with respect to the side of the vehicle.
- the device in order to enable containers also far from the vehicle to be picked up, the device must be provided with very long pick-up arms so that they can compensate, by their length, for the large inclination of the guide structure needed in these conditions.
- such long arms considerably increase the weight bearing on the carriage which supports the arms directly so that it is necessary to increase the size of the actuators which control the movement of the carriage.
- the length of the arms particularly when they have engaged the container, gives rise to large moments of force due to the distance between the load which is cantilevered from the carriage and the axis of rotation of the arms such that the entire device must have a relatively complex structure in order to withstand them.
- the primary object of the present invention is to propose a device of the aforesaid type which allows refuse containers to be picked up whether they are close to or far from the vehicle, but which has shorter arms so as not to be subject to the disadvantages mentioned above with respect to the prior art.
- This object is achieved by virtue of the fact that a swingable member is interposed between the guide structure and the vehicle, being articulated to the vehicle and to the guide structure, and by the fact that the lower part of guide structure is also articulated to a support rod which is slidable relative to the vehicle in such a way that it can project in a direction substantially transverse the said wall of the vehicle.
- the device which is the subject of the present invention is therefore particularly simple and light in comparison with similar known devices, the resulting decreased production costs and reliability in use being particularly advantageous. Its structure also enables the time taken for each cycle of engaging, tipping and repositioning of the refuse containers to be reduced considerably. In addition, it is possible to use pick-up arms of a restricted length so as to allow refuse containers situated very close to the vehicle to be engaged as well as containers located relatively far away from it.
- the prior-art device described above is also provided with a movable carriage which supports an auxiliary structure which can be tipped relative thereto and to which the pick-up arms are directly connected.
- the auxiliary structure of the carriage must be turned upside down relative to the carriage itself to pour the contents of the container into the vehicle body.
- the carriage provided with this tippable auxiliary structure is complex in that it requires actuators for controlling the movement of the auxiliary structure, and is therefore expensive to produce.
- a further object of the present invention is to provide a device of the type indicated above in which the carriage is of extremely simple construction.
- the second actuator means alone can move the arms between all of their operative positions without needing moving carriage parts to contribute to the movement of the arms.
- the second actuator means preferably include an actuator of the helical type.
- reference numeral 1 indicates a refuse-collection vehicle having a body 2 into which are tipped the contents of refuse containers C which are handled by a device 3 attached to a side wall 2a of the vehicle 1.
- the device could also be attached to a different wall of the vehicle 1, for example a rear wall or even a front wall.
- the device 3 includes a guide structure 5 comprising a pair of uprights 7 with upper ends 7a and lower ends 7b, each of which can, for example, be made from a channel shaped profiled section.
- a carriage 9 is movable along the uprights 7 and preferably has two pairs of rollers (not shown in the drawings), each of which engages one of the uprights 7.
- a hydraulic cylinder 13 connected to the structure 5 supports a pair of idle wheels 13a, in known way, over which the chains 11 pass in such a way that, on extension of the cylinder 13, the chains 11 cause the carriage 9 to move along the guide structure 5 between a lowered position and a lifted position with respect to the structure.
- a support rod 15 is articulated to the structure 5 at 7c by means of a pair of lugs 15a.
- the rod 15, which is advantageously made from a square-profiled piece, is slidable in a guide piece fixed to the vehicle body 1 and having a section corresponding to that of the rod 15, with the interposition of slide members (not visible in the drawings) interposed in such a way that the rod and the profiled guide piece are held together by a prismatic coupling.
- the sliding of the rod 15 along the guide element is driven by an actuator, for example of the linear fluid type (not visible in the drawings).
- Each end 7a of the uprights 7 is articulated to one end 18a of a swingable member 18 whose opposite end 18b is articulated on the vehicle 1, for example on elongate elements 20 fixed to the side wall 2a of the vehicle 1.
- This swingable member 18 can be made from a plurality of bars extending parallel to the guide structure 5 and rigidly attached to a sheet 19 of, for example, corrugated metal.
- the carriage 9 provides rigid support for the body 27 of a hydraulic actuator 23 intended to control the simultaneous rotation of a pair of pick-up arms 25 about an axis of the actuator 23 disposed transverse the direction of movement of the carriage 9 and, therefore, the guide structure 5.
- the actuator 23 enables the arms 25 to pivot between a lowered rest position, in which they are substantially parallel to the guide structure 5 (see Figure 2 and the part drawn in continuous line in Figure 3), a container-engagement, or pick-up position, in which the arms 25 assume a substantially horizontal position (see the broken line part of Figure 3, and Figures 8, 10 and 11), a position in which the container C is lifted which is slightly higher than the pick-up position (see Figures 9, 10 and 11) and a position in which the container C is tipped over the body 2 of the vehicle 1, in which the arms are angularly spaced from the container-lifting position in the opposite sense from the engagment position ( Figures 8 and 9).
- the actuator 23 therefore allows the arms 25 to pivot through approximately 270° from the extreme lowered rest position to the opposite extreme position in which the container C is tipped over.
- the actuator 23 which is, to advantage, of the double-acting helical type, comprises an annular chamber 29 within a cylindrical body 27 in which an annular piston 31 is slidable.
- the piston 31 preferably has three helical grooves 33 in its radially outer surface, each of which is engaged by a helical projecting slide member 35 mounted on a pivot pin fixed to the body 27.
- a pair of ducts 38 allow pressurised fluid to be supplied to the opposite ends of the chamber 29 in order to drive the sliding of the piston 31 within the chamber 29.
- the piston 31 also has a plurality of axial grooves 43a in its radially inner surface, preferably three, each of which is engaged by a respective projection 43 of corresponding shape which extends radially from a central portion 28 within the actuator 23, which is also positioned within the piston 31 and free to rotate with it relative to the body 27.
- Each actuator 41 includes a respective piston 47 which can slide in the associated chamber 39 and which is attached rigidly to an associated arm 25 of the device 3 by means of a hollow shaft 49.
- Pressurised fluid is supplied through a pair of ducts 44, 45 respectively to the opposite ends of each chamber 39 of the actuators 41, the duct 44 being formed in the central portion 28 and communicating at one end with a duct outside the actuator 23 by means of holes passing through the piston 31 and, at the other end, with both of the chambers 39.
- An axially-splined guide rod 51 is slidable axially in the hollow shafts 49. This rod 51 engages in specific central holes having a shape corresponding to both of the pistons 47, and its central part is fixed to the central portion 28. In this way the pistons 47 are fixed firmly for rotation about the axis of the actuator 23 with the arms 25. By controlling the actuators 41, it is possible to vary the mutual spacing of the pick-up arms 25 telescopically in such a way as to adapt the device 3 as necessary for handling containers C of different sizes.
- each arm 25 has a pair of oppositely inclined surfaces 30 which converge towards a seat 32 intended to house a cylindrical appendage 32a projecting laterally from the rib 28a of the container C.
- a bar 34 is articulated on each of the arms 25 close to the seat 32, the bar having an associated fluid actuator 36 for driving its pivotal movement between an inactive rest position ( Figure 10) and an active position ( Figure 11) in which the bar 34 retains one of the appendages 32a in the associated seat 32.
- the bar 34 moves from its inactive rest position to its active position, it engages part of the pivoted cover 40 of the container C so as to open it.
- the vehicle 1 During operation of the device, and with reference particularly to Figures 10 and 11, the vehicle 1 is located alongside a refuse container C to be tipped over its body 2.
- the vehicle 1 will, to advantage, have known sensor devices for indicating its correct positioning with respect to the container C, for example of the telecamera, photocell or sonic type.
- the vehicle 1 can be close to the container C as illustrated in Figure 10, or further away from it as in Figure 11.
- the support rod 15 will however be caused to move transverse the vehicle 1 so as to bring the lower end of the guide structure 5 close to the container C to be handled.
- the carriage 9 is driven to move from a rest position, which is generally an intermediate position with respect to the guide structure 5, in which the arms 25 are also in a rest position adjacent the wall 2a and appropriate for the phases in which the vehicle 1 moves (see the position of the arms 25 illustrated by the solid line in Figure 3), to a position close to the lower end 7b of the uprights 7.
- the arms 25 then assume a substantially horizontal position (illustrated by the broken line in Figure 3 and with the reference numeral 25a in Figures 10 and 11) as a result of a first rotation about the axis of the actuator 23 until the cylindrical projections 32a of the container C engage the inclined surfaces 30 of the ends 26 of the arms 25.
- a slight further rotation of the arms 25 causes the projections 32a to slide along the surfaces 30 until they engage in their respective seats 32. In this position the arms pick up the container C and start to lift it.
- the carriage 9 is then caused to move from its lowered position to its raised position relative to the guide structure 5 as a result of the actuation of the cylinder 13 and, simultaneously, the arms 25 are rotated further so as to reach the raised position indicated by the reference numeral 25b in Figures 10 and 11.
- the actuators 36 are controlled in such a way as to cause the bars 34 to rotate simultaneously so as to retain the projections 32a in the seats 32 and open the cover 40 of the container C.
- the actuator 23 causes the arms 25 to rotate further to the position indicated by the reference numeral 25c which corresponds to the position in which the container C is tipped over the body 2 of the vehicle 1.
- the container C is therefore emptied, after which it is returned to its initial position on the ground by reversal of the sequence movements used to lift and tip over the container.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse-Collection Vehicles (AREA)
- Refuse Collection And Transfer (AREA)
- Refuse Receptacles (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
Description
- The present invention concerns a device for tipping a refuse container over the body of a refuse-collection vehicle, comprising:
- a guide structure associated to a side wall of the vehicle in such a way as to be swingable between a position substantially parallel to the wall and a position inclined thereto;
- a carriage which can move along the guide structure between a lowered position and a raised position following the actuation of first actuator means associated to the guide structure and to the carriage; and
- pick-up means for picking up the container comprising a pair of arms which can rotate simultaneously relative to the carriage about an axis transverse the guide structure following the actuation of second actuator means for controlling the rotation of the arms between a position in which they engage the container and a raised position in which the container is above the position of engagment.
- A device of the type indicated above is known in which the guide structure is articulated directly at its upper end to a side of the refuse-collection vehicle. A hydraulic cylinder is also articulated close to the lower part of this side and, by its extension, is intended to control the inclination of the guide structure with respect to the side of the vehicle. However, in order to enable containers also far from the vehicle to be picked up, the device must be provided with very long pick-up arms so that they can compensate, by their length, for the large inclination of the guide structure needed in these conditions. Naturally, such long arms considerably increase the weight bearing on the carriage which supports the arms directly so that it is necessary to increase the size of the actuators which control the movement of the carriage. In addition, the length of the arms, particularly when they have engaged the container, gives rise to large moments of force due to the distance between the load which is cantilevered from the carriage and the axis of rotation of the arms such that the entire device must have a relatively complex structure in order to withstand them.
- The primary object of the present invention is to propose a device of the aforesaid type which allows refuse containers to be picked up whether they are close to or far from the vehicle, but which has shorter arms so as not to be subject to the disadvantages mentioned above with respect to the prior art.
- This object is achieved by virtue of the fact that a swingable member is interposed between the guide structure and the vehicle, being articulated to the vehicle and to the guide structure, and by the fact that the lower part of guide structure is also articulated to a support rod which is slidable relative to the vehicle in such a way that it can project in a direction substantially transverse the said wall of the vehicle.
- The device which is the subject of the present invention is therefore particularly simple and light in comparison with similar known devices, the resulting decreased production costs and reliability in use being particularly advantageous. Its structure also enables the time taken for each cycle of engaging, tipping and repositioning of the refuse containers to be reduced considerably. In addition, it is possible to use pick-up arms of a restricted length so as to allow refuse containers situated very close to the vehicle to be engaged as well as containers located relatively far away from it.
- The prior-art device described above is also provided with a movable carriage which supports an auxiliary structure which can be tipped relative thereto and to which the pick-up arms are directly connected. In particular, when the carriage reaches the raised position close to the upper end of the guide structure, the auxiliary structure of the carriage must be turned upside down relative to the carriage itself to pour the contents of the container into the vehicle body. Naturally the carriage provided with this tippable auxiliary structure is complex in that it requires actuators for controlling the movement of the auxiliary structure, and is therefore expensive to produce.
- A further object of the present invention is to provide a device of the type indicated above in which the carriage is of extremely simple construction.
- This further object is achieved by virtue of the fact that the said second actuator means enable the arms to be moved between a rest position which is lower than the position of engagement of the container and a position of tipping of the container annularly spaced from the raised position of the container in the opposite sense from the engagement position.
- In this way, the second actuator means alone can move the arms between all of their operative positions without needing moving carriage parts to contribute to the movement of the arms.
- The second actuator means preferably include an actuator of the helical type.
- Further characteristics and advantages of the present invention will become clearer from the following detailed description, made with reference to the accompanying drawings and given purely by way of non-limitative example, in which:
- Figure 1 is a side elevational view of a refuse-collection vehicle including a tipping device according to the invention;
- Figure 2 is a front elevational view of the device according to the invention;
- Figure 3 is a side elevational view taken in the direction of the arrow III in Figure 2, which illustrates the positions that the device according to the invention can assume in use in a full line and a broken line respectively;
- Figure 4 is a sectional view on an enlarged scale of a detail indicated by the arrow IV in Figure 2;
- Figure 5 shows half of a transverse section taken on the line V-V of Figure 4, the half not shown being symmetrical to that which is illustrated;
- Figure 6 is a similar view to that of Figure 5 and shows half of a transverse section taken on the line VI-VI of Figure 4;
- Figure 7 is a transverse section taken on the line VII-VII of Figure 4;
- Figures 8 and 9 are similar views which show, on an enlarged scale, a detail indicated by the arrow VIII in Figure 3 in two different operative positions; and
- Figures 10 and 11 are rear elevational views of a refuse-collection vehicle provided with the device according to the invention during the steps of handling a refuse container in which the container is close to or far from the vehicle respectively.
- With reference initially to Figures 1 to 9,
reference numeral 1 indicates a refuse-collection vehicle having a body 2 into which are tipped the contents of refuse containers C which are handled by adevice 3 attached to a side wall 2a of thevehicle 1. - Although reference is made in the present description to a side of the
vehicle 1, such as the side wall to which thedevice 3 is attached, the device could also be attached to a different wall of thevehicle 1, for example a rear wall or even a front wall. - The
device 3 includes aguide structure 5 comprising a pair ofuprights 7 withupper ends 7a and lower ends 7b, each of which can, for example, be made from a channel shaped profiled section. Acarriage 9 is movable along theuprights 7 and preferably has two pairs of rollers (not shown in the drawings), each of which engages one of theuprights 7. - One end of each of a pair of
chains 11 is fixed to thecarriage 9, the opposite ends being anchored to theguide structure 5. Ahydraulic cylinder 13 connected to thestructure 5 supports a pair of idle wheels 13a, in known way, over which thechains 11 pass in such a way that, on extension of thecylinder 13, thechains 11 cause thecarriage 9 to move along theguide structure 5 between a lowered position and a lifted position with respect to the structure. - In a position on the
uprights 7 intermediate theends 7a and 7b but closer to the end 7b, asupport rod 15 is articulated to thestructure 5 at 7c by means of a pair oflugs 15a. Therod 15, which is advantageously made from a square-profiled piece, is slidable in a guide piece fixed to thevehicle body 1 and having a section corresponding to that of therod 15, with the interposition of slide members (not visible in the drawings) interposed in such a way that the rod and the profiled guide piece are held together by a prismatic coupling. The sliding of therod 15 along the guide element is driven by an actuator, for example of the linear fluid type (not visible in the drawings). - Each
end 7a of theuprights 7 is articulated to oneend 18a of aswingable member 18 whoseopposite end 18b is articulated on thevehicle 1, for example onelongate elements 20 fixed to the side wall 2a of thevehicle 1. Thisswingable member 18 can be made from a plurality of bars extending parallel to theguide structure 5 and rigidly attached to asheet 19 of, for example, corrugated metal. - The
carriage 9 provides rigid support for thebody 27 of ahydraulic actuator 23 intended to control the simultaneous rotation of a pair of pick-uparms 25 about an axis of theactuator 23 disposed transverse the direction of movement of thecarriage 9 and, therefore, theguide structure 5. - In particular, the
actuator 23 enables thearms 25 to pivot between a lowered rest position, in which they are substantially parallel to the guide structure 5 (see Figure 2 and the part drawn in continuous line in Figure 3), a container-engagement, or pick-up position, in which thearms 25 assume a substantially horizontal position (see the broken line part of Figure 3, and Figures 8, 10 and 11), a position in which the container C is lifted which is slightly higher than the pick-up position (see Figures 9, 10 and 11) and a position in which the container C is tipped over the body 2 of thevehicle 1, in which the arms are angularly spaced from the container-lifting position in the opposite sense from the engagment position (Figures 8 and 9). - The
actuator 23 therefore allows thearms 25 to pivot through approximately 270° from the extreme lowered rest position to the opposite extreme position in which the container C is tipped over. - In particular the
actuator 23, which is, to advantage, of the double-acting helical type, comprises anannular chamber 29 within acylindrical body 27 in which anannular piston 31 is slidable. Thepiston 31 preferably has threehelical grooves 33 in its radially outer surface, each of which is engaged by a helical projectingslide member 35 mounted on a pivot pin fixed to thebody 27. - A pair of
ducts 38 allow pressurised fluid to be supplied to the opposite ends of thechamber 29 in order to drive the sliding of thepiston 31 within thechamber 29. - The
piston 31 also has a plurality ofaxial grooves 43a in its radially inner surface, preferably three, each of which is engaged by arespective projection 43 of corresponding shape which extends radially from acentral portion 28 within theactuator 23, which is also positioned within thepiston 31 and free to rotate with it relative to thebody 27. - Coaxially, within the
annular piston 31 there is a pair of alignedcylindrical bodies 37 each of which forms one of the external walls of a pair ofcylindrical chambers 39 of a pair of associated double-acting, linearhydraulic actuators 41, as well as portions of the internal wall of thechamber 29, both of thesebodies 37 being fixed by axially opposite ends to thecentral portion 28. Theseactuators 41 are therefore aligned with each other and are coaxial with the axis of theactuator 23. - Each
actuator 41 includes arespective piston 47 which can slide in theassociated chamber 39 and which is attached rigidly to an associatedarm 25 of thedevice 3 by means of ahollow shaft 49. - Pressurised fluid is supplied through a pair of
ducts chamber 39 of theactuators 41, theduct 44 being formed in thecentral portion 28 and communicating at one end with a duct outside theactuator 23 by means of holes passing through thepiston 31 and, at the other end, with both of thechambers 39. - An axially-splined
guide rod 51 is slidable axially in thehollow shafts 49. Thisrod 51 engages in specific central holes having a shape corresponding to both of thepistons 47, and its central part is fixed to thecentral portion 28. In this way thepistons 47 are fixed firmly for rotation about the axis of theactuator 23 with thearms 25. By controlling theactuators 41, it is possible to vary the mutual spacing of the pick-uparms 25 telescopically in such a way as to adapt thedevice 3 as necessary for handling containers C of different sizes. - The
arms 25, illustrated in greater detail in Figures 8 and 9, each include a pick-up end 26 which has a heel-like support portion 28 extending from its lower part for bearing against avertical abutment rib 28a of the container C when the container C is lifted by thearms 25. - The upper part of the
end 26 of eacharm 25 has a pair of oppositelyinclined surfaces 30 which converge towards aseat 32 intended to house acylindrical appendage 32a projecting laterally from therib 28a of the container C. - A
bar 34 is articulated on each of thearms 25 close to theseat 32, the bar having an associatedfluid actuator 36 for driving its pivotal movement between an inactive rest position (Figure 10) and an active position (Figure 11) in which thebar 34 retains one of theappendages 32a in the associatedseat 32. When thebar 34 moves from its inactive rest position to its active position, it engages part of thepivoted cover 40 of the container C so as to open it. - During operation of the device, and with reference particularly to Figures 10 and 11, the
vehicle 1 is located alongside a refuse container C to be tipped over its body 2. Thevehicle 1 will, to advantage, have known sensor devices for indicating its correct positioning with respect to the container C, for example of the telecamera, photocell or sonic type. - The
vehicle 1 can be close to the container C as illustrated in Figure 10, or further away from it as in Figure 11. Thesupport rod 15 will however be caused to move transverse thevehicle 1 so as to bring the lower end of theguide structure 5 close to the container C to be handled. - By virtue of the device which is the subject of the present invention, refuse containers C located at distances which may vary between approximately 0.3 m and 2.7 m from the
vehicle 1 can be handled efficiently. - The
carriage 9 is driven to move from a rest position, which is generally an intermediate position with respect to theguide structure 5, in which thearms 25 are also in a rest position adjacent the wall 2a and appropriate for the phases in which thevehicle 1 moves (see the position of thearms 25 illustrated by the solid line in Figure 3), to a position close to the lower end 7b of theuprights 7. Thearms 25 then assume a substantially horizontal position (illustrated by the broken line in Figure 3 and with thereference numeral 25a in Figures 10 and 11) as a result of a first rotation about the axis of theactuator 23 until thecylindrical projections 32a of the container C engage theinclined surfaces 30 of theends 26 of thearms 25. A slight further rotation of thearms 25 causes theprojections 32a to slide along thesurfaces 30 until they engage in theirrespective seats 32. In this position the arms pick up the container C and start to lift it. - The
carriage 9 is then caused to move from its lowered position to its raised position relative to theguide structure 5 as a result of the actuation of thecylinder 13 and, simultaneously, thearms 25 are rotated further so as to reach the raised position indicated by thereference numeral 25b in Figures 10 and 11. - When the
arms 25 move from the container-engagement position to the raised position theactuators 36 are controlled in such a way as to cause thebars 34 to rotate simultaneously so as to retain theprojections 32a in theseats 32 and open thecover 40 of the container C. - When the
carriage 9 reaches the raised position at the upper ends 7a of theuprights 7, theactuator 23 causes thearms 25 to rotate further to the position indicated by thereference numeral 25c which corresponds to the position in which the container C is tipped over the body 2 of thevehicle 1. The container C is therefore emptied, after which it is returned to its initial position on the ground by reversal of the sequence movements used to lift and tip over the container.
Claims (10)
- A device for tipping a refuse container over the body (2) of a refuse-collection vehicle (1) comprising:- a guide structure (5) associated to a side wall (2a) of the vehicle (1) in such a way to be swingable between a position substantially parallel to the wall (2a) and a position inclined thereto;- a carriage (9) which can move along the guide structure (5) between a lowered position and a raised position following the actuation of first actuator means (13) associated to the guide structure (5) and to the carriage (9); and- pick-up means (25) for picking up the container (C) comprising a pair of arms (25) which can rotate simultaneously relative to the carriage (9) about an axis transverse the guide structure (5) following the actuation of second actuator means (23) for controlling the rotation of the arms (25) between a position in which they engage the container (C) and a raised position in which the container (C) is above the position of engagement, characterised in that a swingable member (18) is interposed between the guide structure (5) and the vehicle (1), being articulated to the vehicle (1) and to the guide structure (5), and in that the lower part of the guide structure (5) is also articulated to a support rod (15) which is slidable relative to the vehicle (1) in such a way that it can project in a direction substantially transverse the said wall (2a) of the vehicle (1).
- A device according to Claim 1, characterised in that the said second actuator means (23) enable the arms (25) to be moved between a rest position which is lower than the position of engagement of the container (C) and a position of tipping of the container (C) which is angularly spaced from the raised position of the container in the opposite sense from the engagement position.
- A device according to Claim 2, characterised in that the said second actuator means (23) comprise an actuator of the helical type.
- A device according to Claim 3, characterised in that the helical actuator (23) includes an annular piston (31) slidable in a correspondingly shaped chamber (29), the radially outer surface of the annular piston (31) having at least one helical groove (33) engaged by an associated projecting slide member (35) fixed to the body (27) of the helical actuator (23), the radially inner surface of the annular piston (31) having at least one axial groove (43a) engaged by a projection (43) fixed to the arms (25) and free to rotate with the annular piston (31) relative to the body (27) of the helical actuator (23).
- A device according to Claim 4, characterised in that the said helical actuator (23) has at least one associated linear actuator (41) for varying the mutual spacing of the arms (25).
- A device according to Claim 5, characterised in that the helical actuator (23) includes a pair of separate, axially-aligned cylindrical chambers (39) within the annular piston (31), an associated piston (47) connected to a respective arm (25) being slidable in each of the cylindrical chambers (39).
- A device according to Claim 6, characterised in that each of the pistons (47) slidable in the cylindrical chambers (39) engages a splined guide rod (51) whereby the pistons (47) are fixed for rotation therewith.
- A device according to any one of Claims 1 to 7, characterised in that the arms (25) have a pick-up end (26) with a support heel (28) for bearing against a shoulder (28a) of the container (C), and lead-in means including a pair of opposing inclined surfaces (30) which converge towards a seat (32) for housing a respective cylindrical appendage (32a) projecting from a side of the container (C).
- A device according to Claim 8, characterised in that each arm (25) has a bar (34) articulated thereto and movable between an inactive rest position and an active position in which it retains the appendage (32a) of the container (C) in the respective seat (32), the bar (34) also being able to open a pivoting cover (40) of the container (C) in its movement between the inactive position and the active position.
- A device according to any one of Claims 1 to 7, characterised in that the first actuator means include a hydraulic cylinder (13) associated with rotatable reversing means (13a) over which pass flexible transmission means having opposite ends anchored to the carriage (9) and to the guide structure (5) respectively.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95TO000462A IT1276407B1 (en) | 1995-06-02 | 1995-06-02 | DEVICE FOR TILTING A WASTE CONTAINER INTO THE BOX OF A VEHICLE FOR WASTE COLLECTION |
ITTO950462 | 1995-06-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0745544A1 true EP0745544A1 (en) | 1996-12-04 |
EP0745544B1 EP0745544B1 (en) | 2000-03-01 |
Family
ID=11413619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96108692A Expired - Lifetime EP0745544B1 (en) | 1995-06-02 | 1996-05-31 | A device for tipping a refuse container into the body of a refuse-collection vehicle |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0745544B1 (en) |
AT (1) | ATE190033T1 (en) |
DE (1) | DE69606799T2 (en) |
ES (1) | ES2144664T3 (en) |
GR (1) | GR3033444T3 (en) |
IT (1) | IT1276407B1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1142803A1 (en) * | 2000-04-04 | 2001-10-10 | Nord Engineering di Armando Lodovico & C.s.n.c. | Device for handling and emptying the contents of containers destined for the waste collection |
EP1238166A1 (en) * | 1999-11-23 | 2002-09-11 | 1994 Weyer Family Limited Partnership | Hydraulic collection tool |
EP1389591A1 (en) * | 2002-08-12 | 2004-02-18 | Nord Engineering di Armando Lodovico & C.s.n.c. | Device for handling and emptying waste collection containers |
EP1454848A1 (en) | 2003-03-03 | 2004-09-08 | FARID INDUSTRIE S.p.A. | An apparatus for lifting and tilting a refuse container |
EP1887229A1 (en) * | 2006-08-03 | 2008-02-13 | Kinshofer GmbH | rotary actuator and the concerning manufacturing method |
NL2005788C2 (en) * | 2010-11-30 | 2012-05-31 | Omb Nederland B V | TILT DEVICE FOR CONTAINERS. |
ES2721550A1 (en) * | 2018-02-01 | 2019-08-01 | Asitech Disenos Ind S L | AUTOMATED MECHANISM FOR DUMPING OF WASTE COLLECTION CONTAINERS IN THE TRUCK THAT INCORPORATES SUCH MECHANISM (Machine-translation by Google Translate, not legally binding) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020059391A (en) | 1999-09-09 | 2002-07-12 | 개리 ë¡œì € 스티드맨 | Vehicular arm assembly |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3217913A (en) * | 1962-11-08 | 1965-11-16 | Container Service Company Inc | Material handling device |
GB2080757A (en) * | 1980-06-26 | 1982-02-10 | Vib Srl | Vehicle with lateral equipment for the movement of containers in general |
US4872801A (en) * | 1987-09-10 | 1989-10-10 | Crane Carrier Company | Side refuse loader for vehicles |
EP0514347A1 (en) * | 1991-03-29 | 1992-11-19 | M.V.L. Research Limited | Automatic refuse container gripping and lifting device |
-
1995
- 1995-06-02 IT IT95TO000462A patent/IT1276407B1/en active IP Right Grant
-
1996
- 1996-05-31 AT AT96108692T patent/ATE190033T1/en not_active IP Right Cessation
- 1996-05-31 DE DE69606799T patent/DE69606799T2/en not_active Expired - Lifetime
- 1996-05-31 ES ES96108692T patent/ES2144664T3/en not_active Expired - Lifetime
- 1996-05-31 EP EP96108692A patent/EP0745544B1/en not_active Expired - Lifetime
-
2000
- 2000-05-18 GR GR20000401131T patent/GR3033444T3/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3217913A (en) * | 1962-11-08 | 1965-11-16 | Container Service Company Inc | Material handling device |
GB2080757A (en) * | 1980-06-26 | 1982-02-10 | Vib Srl | Vehicle with lateral equipment for the movement of containers in general |
US4872801A (en) * | 1987-09-10 | 1989-10-10 | Crane Carrier Company | Side refuse loader for vehicles |
EP0514347A1 (en) * | 1991-03-29 | 1992-11-19 | M.V.L. Research Limited | Automatic refuse container gripping and lifting device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1238166A1 (en) * | 1999-11-23 | 2002-09-11 | 1994 Weyer Family Limited Partnership | Hydraulic collection tool |
EP1238166A4 (en) * | 1999-11-23 | 2003-07-30 | 1994 Weyer Family Ltd Partners | Hydraulic collection tool |
US6612051B2 (en) | 1999-11-23 | 2003-09-02 | 1994 Weyer Family Limited Partnership | Hydraulic collection tool |
EP1142803A1 (en) * | 2000-04-04 | 2001-10-10 | Nord Engineering di Armando Lodovico & C.s.n.c. | Device for handling and emptying the contents of containers destined for the waste collection |
EP1389591A1 (en) * | 2002-08-12 | 2004-02-18 | Nord Engineering di Armando Lodovico & C.s.n.c. | Device for handling and emptying waste collection containers |
EP1454848A1 (en) | 2003-03-03 | 2004-09-08 | FARID INDUSTRIE S.p.A. | An apparatus for lifting and tilting a refuse container |
EP1887229A1 (en) * | 2006-08-03 | 2008-02-13 | Kinshofer GmbH | rotary actuator and the concerning manufacturing method |
NL2005788C2 (en) * | 2010-11-30 | 2012-05-31 | Omb Nederland B V | TILT DEVICE FOR CONTAINERS. |
ES2721550A1 (en) * | 2018-02-01 | 2019-08-01 | Asitech Disenos Ind S L | AUTOMATED MECHANISM FOR DUMPING OF WASTE COLLECTION CONTAINERS IN THE TRUCK THAT INCORPORATES SUCH MECHANISM (Machine-translation by Google Translate, not legally binding) |
Also Published As
Publication number | Publication date |
---|---|
ITTO950462A0 (en) | 1995-06-02 |
GR3033444T3 (en) | 2000-09-29 |
ATE190033T1 (en) | 2000-03-15 |
DE69606799D1 (en) | 2000-04-06 |
ITTO950462A1 (en) | 1996-12-02 |
DE69606799T2 (en) | 2000-08-17 |
EP0745544B1 (en) | 2000-03-01 |
ES2144664T3 (en) | 2000-06-16 |
IT1276407B1 (en) | 1997-10-31 |
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