EP1081063B1 - Dispositif automatique par gravite de verrouillage / deverrouillage du couvercle d'un bac et bac equipe d'un tel dispositif - Google Patents

Dispositif automatique par gravite de verrouillage / deverrouillage du couvercle d'un bac et bac equipe d'un tel dispositif Download PDF

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Publication number
EP1081063B1
EP1081063B1 EP20000402395 EP00402395A EP1081063B1 EP 1081063 B1 EP1081063 B1 EP 1081063B1 EP 20000402395 EP20000402395 EP 20000402395 EP 00402395 A EP00402395 A EP 00402395A EP 1081063 B1 EP1081063 B1 EP 1081063B1
Authority
EP
European Patent Office
Prior art keywords
locking
arm
bin
tank
cover
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.)
Expired - Lifetime
Application number
EP20000402395
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1081063A1 (fr
Inventor
Michel Moret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citec Environnement SA
Original Assignee
Citec Environnement SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Citec Environnement SA filed Critical Citec Environnement SA
Publication of EP1081063A1 publication Critical patent/EP1081063A1/fr
Application granted granted Critical
Publication of EP1081063B1 publication Critical patent/EP1081063B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers
    • B65F1/1615—Lids or covers with means for locking, fastening or permanently closing thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0093—Weight arrangements in locks; gravity activated lock parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0911—Hooked end
    • Y10T292/0937—Gravity actuated

Definitions

  • the invention relates to an automatic locking / unlocking device by gravity to lock the lid of a tray to the top edge of the tank of the tank.
  • This tray is intended to be emptied by tilting. he can especially be used for waste collection.
  • Bins intended for waste collection are required to stay on the track while waiting for vehicles to collect waste.
  • the lid of the bins is equipped with an opening of a size and shape adapted to the waste to be arranged in these bins.
  • a locking system of the tank during its filling and unlocking when emptying is necessary.
  • EP-A-698 567 and EP-A-704 387 mention a locking system which engages, after closing the lid, in a support element, so that the cover is protected against opening.
  • the opening of the lid takes place by electromagnetic actuation of a device acting on the support member in which the locking system engages.
  • the lid is opened by means of to a maneuver button.
  • opening the lid requires a maneuver manual control by the operator and can be carried out whatever the position of the bin in the space.
  • Documents FR-A-2 762 306 and EP-A-872 432 describe a device for locking the lid of a tank to the tank of said tank not requiring the manual intervention of the operator to allow the locking or unlocking the lid.
  • the locking device described in these documents comprises a part swivel pivotally mounted under the container cover and engaging with a male coupling member located at the inner wall of the tank.
  • the pivoting part takes a locking position in which it is in engagement with a male hooking member driving the keeps the lid in the closed position.
  • the tilting of the tray thus allows the opening of the lid of the tray and therefore the emptying it by dumping the waste under the effect of gravity.
  • the invention aims to provide solutions to these technical problems.
  • She consists of a device for locking / unlocking the tank without intervention the operator, the walls of the vessel being smooth and uniform, which allows the casing of the bins and the good flow of waste.
  • this device is not entirely satisfactory. In particular, this device does not allow very secure locking of the lid on the container.
  • the object of the invention is to provide a locking / unlocking device for a waste bin that does not have the disadvantages of art prior.
  • the device is intended to be mounted on the inner face of the lid, and can be in the locked position - so as to allow the lid of the tray to be locked on the end of the tank when the tank is in position filling - in the unlocked position - so as to allow the tray cover to be unlocked when tray is in dump position.
  • the center of gravity of the bent piece when the tank is in the filling position, the center of gravity of the bent piece is located in such a way that it maintains the branch of driving the bent piece resting on the abutment and the hook of the piece angled in engagement with the end part of the arm of the pivoting part, the center of gravity of the assembly including the pivoting part and the hook being located so as to keep the retractable hook of the lever in position of engagement in the orifice of the extreme part of the tank and the extreme part arm engaged with the hook of the bent piece.
  • the retractable hook of the lever is hinged along an axis substantially parallel to the axis of rotation of the pivoting part, this which allows, when closing the lid on the end part of the tank, a sliding of the retractable hook along the inner wall of the tray until inserting the retractable hook into the hole or recess located at the level of the extreme part of the tank.
  • the pivoting of the arm around the axis of rotation of the pivoting part, and the pivoting of the bent piece around its axis of rotation, in the direction opposed to the inner face of the tank cover, are each limited by a stop.
  • the extreme part of the arm opposite to the middle part of the room swivel, and / or the free end portion of the drive arm includes (s) a flyweight.
  • the bent piece has the shape of a V whose the two branches form an angle of the order of 35 to 55 degrees, in particular neighbor of 45 degrees.
  • the bent piece has the shape of a V whose the two branches form an angle of between 90 and 180 degrees.
  • the device for locking / unlocking includes a mobile rocker rotating around an axis connected to the tray cover and substantially parallel to the axis of rotation of the bent piece, the balance being movable between a locking position in which the rocker forms a stop opposing the pivoting of the piece angled towards the inner face of the lid, and an unlocking position in which the rocker does not oppose the said pivoting of the bent piece, the rotation of the balance between said locking positions and unlocking being obtained during the tipping of the tray following a certain angle, by gravity effect.
  • the pendulum presents the shape of a circular sector, the axis of rotation of the balance being located towards the point of said circular sector, and the free end edge of the balance being, when the balance is in the locking position, in contact with the branch drive of the bent piece.
  • the two branches of the bent piece can be rotated one by one. relative to the other, around the axis of rotation of the bent piece, the branch of driving the bent piece comprising, towards its end part, a weight, so that when tipping the tray at a certain angle, the locking leg of the bent piece still being engaged with the arm, the drive leg of the bent piece can rotate around its axis, by gravity effect, then hit the hook so as to unlock it from arms.
  • the drive arm of the bent piece includes, towards its end part, a protrusion intended, during the tilting of the tray at a certain angle, to hit the hook so as to unlock it from the arms.
  • the locking / unlocking device may furthermore include an unlocking system attached to the tank lid and intended for actuated by a control device, in order to unlock the lid of the bin when the bin is in the fill position.
  • the locking / unlocking device is protected by a housing fixed on the inner face of the lid and having an opening from which protrudes the retractable hook of the lever, the casing being able to form a stop for the piece bent, thus limiting its displacement in the opposite direction to the inner face of the lid.
  • the locking / unlocking device also preferably comprises a device for protecting the retractable hook attached to the tank of the tank.
  • the subject of the invention is a ferry for the collection of waste, comprising a locking / unlocking device as described previously.
  • a bin 1 waste collector typically comprises a tank 4 and a lid 2 hinged to the tank 4, for example by means of hinges.
  • Tray 1 can be in a filling position, in which it rests substantially vertically on the ground and where it can be filled by a user, or in a dump position, in which tray 1 has been tilted at a certain angle - greater than 90 ° - in relation to the vertical, the tray 1 being then be emptied of its contents.
  • the tank 4 comprises a floor, substantially plane, located facing the ground when the tray 1 is in the filling position, and four walls extending substantially perpendicular to the floor, and substantially perpendicular to each other in pairs, so as to form a parallelepiped, the free edges of said walls delimiting an opening through which the waste can be introduced into the tank 4.
  • the tank 4 may also comprise wheels mounted on the floor and resting on the ground, when the tank 1 is in the filling position, the wheels being intended to facilitate the movement of the tray 1 by a user.
  • the cover 2 has a substantially flat wall, intended to cover the opening of the tank 4, and projecting flanges of the flat wall.
  • the lid 2 of the bin 1 may comprise a opening (not shown) whose size and shape are adapted to the objects, for example newspapers or bottles, to be collected in the bin.
  • the lid 2 is pivotally associated with the bowl 4.
  • hinges are provided towards the free end of one of the walls of the tank 4, this wall being said “back”.
  • the wall of the tank parallel to the rear wall is said "Frontal" 4c throughout the description.
  • the cover 2 can thus be moved - in particular manually - between a closing position of the tray 1, in which it rests on the extreme edges free of the walls of the tank 4, thus obstructing the opening of the tank 4, and a opening position, in which the substantially flat wall of the lid 2 is separated from the free end edges of the walls of the tank 4, the position extreme opening of the lid 2 corresponding to the case where the wall substantially flat of the cover 2 is substantially parallel to the rear wall of the tank 4.
  • the tilting of the tray 1 to its emptying position must be made substantially in a plane perpendicular to the rear walls and front, so as to allow the opening of the lid 2 and, thus, the release of the opening of the tank 4 allowing the emptying of the tank 4.
  • the cover 2 has on the one hand an internal face 2a directed, when the lid 2 is in the closed position, towards the inside of the tank 4, and other part an outer face 2b directed outwardly of said vessel.
  • the tank 4 may be of plastic molded in one piece, just as the cover 2.
  • the tank 4 further comprises, towards the free end parts of its walls, a flange 5 extending outside the tank 4 and defining a groove 6 of which the opening is directed towards the floor (see Figure 1).
  • the throat 6 is intended for receive appropriate gripping means for lifting and tipping the tray 1, for example by a collection vehicle.
  • a nest 14 may be located inside the groove 6, so as to reinforce the edge 5.
  • the locking / unlocking device allows the locking of the lid 2 in the closed position on the tray 1, when the tray 1 is in the filling position, as illustrated in particular in Figure 1. It also allows unlocking automatic lid 2 (see in particular Figures 3 and 4) when the tray 1 is tilted from the filling position, the lid 2 being in the position of closing, at the emptying position.
  • FIGS. 1 to 4 illustrate a first embodiment of embodiment of the invention.
  • a locking / unlocking device is mounted on the inner face 2a of the cover 2 of the tray 1.
  • This device comprises several parts cooperating with each other so to allow the locking or unlocking of the lid 2 of the tray 1, and in particular a bent piece 7, a pivoting part 8 and a hook retractable 9.
  • These parts may be metallic or in any other material to confer, in particular, rigidity and resistance to shocks and wear.
  • the axis of rotation A of the bent piece is connected to the cover 2 and directed, when the cover 2 is in the closed position, substantially parallel to the floor and to the front wall 4c of the tank 4. Moreover, the axis of rotation A is substantially perpendicular to the mean plane of the bent piece 7.
  • the 7d lock branch is substantially vertical, the hook 7c being located above the axis of rotation A.
  • the two branches 7d, 7e of the piece bent 7 are rigidly connected to each other, the angle between them being of the order from 35 to 55 °, in particular close to 45 °.
  • the axis of rotation B of the bent piece is connected to the cover 2 and is substantially parallel to the axis A of the bent piece 7 and substantially perpendicular to the plane means of the pivoting part 8.
  • the end portion 8e of the arm 8b, opposite to the intermediate portion 8c, comprises a weight 8a.
  • the pivoting part 8 comprises a retractable hook 9 mounted at pivoting about an axis C, towards the extreme part of the lever 8d opposite to the intermediate part 8c, the axis C being substantially parallel to the axis A of the part bent 7.
  • the retractable hook 9 comprises a substantially flat wall 9b, free end 9a located opposite the point of articulation of said hook retractable 9 with the lever 8d, said wall 9b being disposed substantially parallel to the floor of the tank 4 when the device of locking / unlocking is in the lock position.
  • the retractable hook 9 also comprises a connecting rib 9c the end 9a of the retractable hook 9 at the point of connection of said hook 9 with the lever 8d.
  • the rib 9c serves on the one hand to stiffen the hook retractable 9 and secondly to allow better guidance of the hook 9.
  • the retractable hook 9 finally comprises a protuberance 9d located towards the axis of rotation C of the retractable hook 9 and intended to abut against the lever 8d to limit the pivoting of the retractable hook 9 around its rotation axis C.
  • the retractable hook 9 is intended to cause the joining of the cover 2 to the tank 4 at the front wall 4c of the tank 4 when the cover 2 is in the closed position, the tray 1 being in the position of filling.
  • the locking / unlocking device is described in the position of latch, the tray 1 being in the filling position, the lid 2 being closed. Parts 7, 8 are in the positions previously described.
  • the locking / unlocking device is attached to the lid 2 so that when the lid 2 is closed, the end 9a of the hook 9 is directed towards the front wall 4c of the tank 4, and engages in an orifice 13 or a recess of the front wall 4c located towards the end portion 3 of said front wall 4c opposed to the floor of the tank 4, said orifice 13 opening into the groove 6.
  • the orifice 13 is delimited by edges 10.
  • the recess may be a cavity dug in the front wall 4c of the tank 4 at the inner face 4a of said front wall 4c.
  • the locking / unlocking device is fixed to a housing 12, itself fixed to the inner face 2a of the cover 2, so that said The device is protected from the contents of the tank 4.
  • the axes of rotation A, B are fixed to the housing 12, as are the stops 15, 16.
  • the housing 12 has an opening 11 intended to cooperate with the orifice 13 or the recess of the front wall 4c of the tank 4, to allow the passage of the retractable hook 9.
  • the opening 11 of the housing 12 must be sufficient for allow the movement of the retractable hook 9 during closing and the opening of the lid 2.
  • the tray 1 is tilted with respect to the vertical, and in a plane substantially perpendicular to the rear and front walls 4c, of a certain angle (FIG. and 4).
  • the hook 7c of the bent piece 7 then releases the end portion 8e of the arm 8b.
  • the arm 8b initially abutting on the abutment 16, because of the presence of the weight 8a, is free to move by gravity effect G 'in direction of the inner face 2a of the cover 2, along the arrow F2, training in its rotational movement the lever 8d and the retractable hook 9.
  • the lid 2 is no longer secured to the tray 1, given the tilting of the bin 1 and the effect of gravity, the lid 2 opens by pivoting around the axis of rotation of its hinges, thus allowing the emptying of the tank 4.
  • the retractable hook 9 moves along the face internal 4a of the tank 4 towards the floor of the tank 4, until it is housed in the orifice 13 or the recess of the front wall 4c of the tank 4. These displacements of the retractable hook 9 are made possible by the articulation said hook 9 around its axis of rotation C.
  • the hook 7c located at the free end of the locking arm 7d of the bent piece 7 then engages with the end portion 8e of the arm 8b of the pivoting piece 8, preventing the displacement of the latter.
  • the device is thus in the locking position and the tray 1 in the position of filling with its lid 2 in the closed position.
  • the locking / unlocking device may also include a unlocking system 17 fixed on the substantially flat wall of the cover 2 of the tray 1 and intended to be actuated by a control member, such as a key (not shown), said unlocking system 17 for unlocking the cover 2 of the tray 1 when the tray 1 is in filling position, without that a switch of said tray 1 is necessary.
  • a control member such as a key (not shown)
  • FIG. 5 illustrates a second mode of embodiment of the invention.
  • the 7th training branch of the bent piece 7 is thus substantially horizontal, when the tray 1 is in position of filling, the lid 2 being closed.
  • the stop 15 of the first mode of realization is no longer necessary, the housing 12 forming a stop for the 7th training branch of the bent piece 7.
  • the advantage of this second embodiment is the stability of the device in lock position. Indeed, unlike the first embodiment, the weight 7a is located, when the tray 1 is in the filling position and the lid 2 closed, at the same level as the axis of rotation A of the part bent 7, or below.
  • a shock exerted against the front wall 4c of the tank 4 does not tend to unlock the device, unlike the device according to the first mode of realization, where the weight 7a tends to move, consecutively to a such shock, towards the inner face 2a of the lid 2, thus unlocking the device.
  • the two branches 7d, 7e of the piece bent 7 are not rigidly connected but may pivot one with respect to the other around the axis A.
  • the locking / unlocking device also includes a pendulum 18, in the shape of a circular sector, mobile in rotation around a D axis linked to the cover 2 and substantially parallel to the axes of rotation A, B, C.
  • the axis of rotation of the balance 18 is located towards the tip 18a of the balance 18, to the opposite of the free end edge 18b of said pendulum 18.
  • the free end edge 18b of the balance 18 is then directed towards the floor of the 4, and is supported on a side wall 7f of the bent piece 7, located towards the weight 7a, at the free end of the 7th training branch.
  • the pivoting of the bent piece 7 around its axis A is limited in the two directions, on the one hand by the housing 12, and on the other hand by the balance 18.
  • rocker arm 18 makes it possible to prevent the inadvertent unlocking of the device following a vertical shock exerted on the tray 1, the balance 18 playing the role of a mobile stop.
  • the system of release 17 is intended to be actuated by a control member, such a key (not shown), and allows to unlock the lid 2 of the tray 1 when the tray 1 is in the filling position, without a tilting of said Tray 1 is necessary.
  • the unlocking system 17 comprises an opening 21 intended to cooperate with the control member, and fixed to the housing 12 so that when the cover 2 is closed, the said opening 21 is accessible by a user by the front face of the lid. The fact of not placing the opening 21 on the above the cover 2 prevents frost damage.
  • the unlocking system 17 further comprises a finger 22 which can be moved, thanks to the control member, between an inactive position in which it does not act on the locking / unlocking device, and a active position in which said device is unlocked.
  • the retractable hook 9 comprises a ramp 23 extending substantially perpendicular to its plane wall 9b, and arranged obliquely relative to the free end 9a of said retractable hook 9.
  • the finger 22 In the inactive position, the finger 22 is in contact with the end portion 24 of the ramp 23 located furthest from the free end 9a of the retractable hook 9, and exerts no effort on the ramp 23.
  • the retractable hook 9 is then engaged in the orifice 13 or the recess of the tank 4.
  • the finger 22 In the active position, the finger 22 is in contact with the end portion 25 of the ramp 23 and exerts a force on it, the retractable hook 9 being disengaged from the orifice 13 or from the recess of the tank 4.
  • the orifice 13 can be accessible from the outside of the tank 1, by the 6, an unauthorized person can push the hook retractable 9 out of the orifice 13, so as to unlock the lid 2.
  • the locking / unlocking device can have a protective device 26, which is now described by reference in Figures 12 to 14.
  • the protective device 26 also serves to limit the wear of the retractable hook 9, by reducing the friction of said hook 9 against the edges 10 of the orifice 13 of the tank 4, and to avoid the clogging thereof during the emptying.
  • the protective device 26 has the shape of a channel, for example parallelepiped, engaged in the orifice 13 of the tank 4, and protruding towards the outside of the tank 4, in the groove 6.
  • the protection device 26 comprises a first opening 27 opening inside the tank 4, and a second opening 28 opening into the groove 6, so that says device 26 cooperates with the opening 13 of the tank 4 and that the hook retractable 9 can be engaged in said channel.
  • the end 29 of said channel opening into the groove 6 is located beyond the end 9a of the retractable hook 9, when the tray 1 is in the position of filling and the lid 2 closed, thus preventing access to the hook 9 by the fingers of a user.
  • the protection device 26 comprises clips 30 (see FIG. its blocking in the orifice 13 of the front wall 4c of the tank 4.
  • the protection device 26 comprises a movable element of protection 31 to prevent the obstruction of the orifice 13.
  • the element of protection 31 consists of bristles 32 juxtaposed on a surface substantially plane, said protection element 31 being fixed towards a rim 33 of the opening 27 of the channel opening inside the tank 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Receptacles (AREA)
  • Closures For Containers (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP20000402395 1999-09-03 2000-08-30 Dispositif automatique par gravite de verrouillage / deverrouillage du couvercle d'un bac et bac equipe d'un tel dispositif Expired - Lifetime EP1081063B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9911081 1999-09-03
FR9911081A FR2798120B1 (fr) 1999-09-03 1999-09-03 Dispositif automatique par gravite de verrouillage/ deverrouillage du couvercle d'un bac et bac equipe d'un tel dispositif

Publications (2)

Publication Number Publication Date
EP1081063A1 EP1081063A1 (fr) 2001-03-07
EP1081063B1 true EP1081063B1 (fr) 2005-12-07

Family

ID=9549541

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000402395 Expired - Lifetime EP1081063B1 (fr) 1999-09-03 2000-08-30 Dispositif automatique par gravite de verrouillage / deverrouillage du couvercle d'un bac et bac equipe d'un tel dispositif

Country Status (8)

Country Link
US (1) US6666485B1 (pt)
EP (1) EP1081063B1 (pt)
AT (1) ATE312030T1 (pt)
BR (1) BR0007054A (pt)
CA (1) CA2348711A1 (pt)
DE (1) DE60024543T2 (pt)
FR (1) FR2798120B1 (pt)
WO (1) WO2001017880A1 (pt)

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Also Published As

Publication number Publication date
FR2798120B1 (fr) 2001-11-16
EP1081063A1 (fr) 2001-03-07
DE60024543T2 (de) 2006-10-26
CA2348711A1 (fr) 2001-03-15
DE60024543D1 (de) 2006-01-12
US6666485B1 (en) 2003-12-23
BR0007054A (pt) 2001-07-31
FR2798120A1 (fr) 2001-03-09
ATE312030T1 (de) 2005-12-15
WO2001017880A1 (fr) 2001-03-15

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