FR2914226A1 - Workshop trolley for handling e.g. pieces in assembly plant, has coupling sphere located below traveling platform, inside rear edge of platform and between rear wheels of trolley, where each wheel is mounted pivotably around vertical axis - Google Patents

Workshop trolley for handling e.g. pieces in assembly plant, has coupling sphere located below traveling platform, inside rear edge of platform and between rear wheels of trolley, where each wheel is mounted pivotably around vertical axis Download PDF

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Publication number
FR2914226A1
FR2914226A1 FR0702381A FR0702381A FR2914226A1 FR 2914226 A1 FR2914226 A1 FR 2914226A1 FR 0702381 A FR0702381 A FR 0702381A FR 0702381 A FR0702381 A FR 0702381A FR 2914226 A1 FR2914226 A1 FR 2914226A1
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FR
France
Prior art keywords
platform
trolley
rear edge
vertical axis
wheel
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
Application number
FR0702381A
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French (fr)
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FR2914226B1 (en
Inventor
Charles Coutier
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.)
Coutier Industrie SARL
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Coutier Industrie SARL
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Publication date
Application filed by Coutier Industrie SARL filed Critical Coutier Industrie SARL
Priority to FR0702381A priority Critical patent/FR2914226B1/en
Publication of FR2914226A1 publication Critical patent/FR2914226A1/en
Application granted granted Critical
Publication of FR2914226B1 publication Critical patent/FR2914226B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/48Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
    • B60D1/481Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting adapted for being mounted to the front and back of trailers, carts, trolleys, or the like to form a train
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D2001/001Traction couplings; Hitches; Draw-gear; Towing devices specially adapted for use on vehicles other than cars
    • B60D2001/005Traction couplings; Hitches; Draw-gear; Towing devices specially adapted for use on vehicles other than cars for carts, scooters, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2207/00Joining hand-propelled vehicles or sledges together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2301/00Wheel arrangements; Steering; Stability; Wheel suspension
    • B62B2301/08Wheel arrangements; Steering; Stability; Wheel suspension comprising additional wheels to increase stability
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts
    • B62B5/04Braking mechanisms; Locking devices against movement
    • B62B5/049Braking mechanisms; Locking devices against movement locking against movement by contacting the floor or a wall

Abstract

The trolley has a traveling platform (1) with front and rear edges (3, 6), and a drawbar (4) articulated at the front edge around a horizontal axis. A coupling housing (5) forms an end of the drawbar, and a coupling sphere (17) is located at the rear edge. The sphere is located below the platform, inside the rear edge and between rear wheels (13, 14) of the trolley, where each wheel is mounted pivotably around a vertical axis.

Description

1 La présente invention concerne un chariot d'atelier du type de ceuxThe present invention relates to a workshop trolley of the type of those

décrits dans le document WO 2004/016456. ARRIERE PLAN DE L'INVENTION Les chariots décrits dans ce document: comportent un bâti ou une plate-forme roulante avec deux extrémités longitudinales l'une étant équipée d'un timon articulé autour d'un axe horizontal avec à son extrémité libre un moyen pour assurer sa liaison temporaire avec un organe de traction, l'autre extrémité longitudinale du bâti ou de la plate-forme comportant un organe de traction pour le chariot suivant, dans un train de chariots, capable de coopérer avec les moyens de liaison que porte l'extrémité litre d'un timon. De manière intéressante, les moyens de liaison et de traction comportent une sphère et un boî- tier pour emboîter la sphère. Alors que le timon est relevable verticalement, de sorte qu'il ne présente pas d'aspérités à l'extrémité d'un chariot dans cette position, le moyen de traction qui est généralement constitué par la sphère à l'extrémité d'une potence, constitue une saillie arrière qui augmente l'encombrement longitudinal du chariot et qui est une source d'accident pour les opérateurs circulant au-tour d'un tel chariot.  described in WO 2004/016456. BACKGROUND OF THE INVENTION The trolleys described in this document: comprise a frame or a rolling platform with two longitudinal ends, one being equipped with a drawbar hinged about a horizontal axis with at its free end a means for providing its temporary connection with a traction member, the other longitudinal end of the frame or the platform comprising a traction member for the following carriage, in a train of carriages, capable of cooperating with the connecting means that carries the end of a tongue. Interestingly, the connecting and pulling means comprise a sphere and a housing for nesting the sphere. While the drawbar is liftable vertically, so that it does not present roughness at the end of a carriage in this position, the traction means which is generally constituted by the sphere at the end of a stem , constitutes a rear projection which increases the longitudinal size of the carriage and which is a source of accidents for operators circulating around such a truck.

Les organes de roulement des chariots d'atelier sont parfois disposés en losange, au nombre de quatre, à savoir une roue avant à chape pivotante, une roue arrière également pivotante et deux roues latérales non pivotantes à chapes fixes. Cette disposition permet de faire tourner le chariot autour d'un axe central de rotation virtuel situé perpendiculairement à la base et passant entre les deux roues latérales fixes. La stabilité d'une telle plate-forme ou d'un tel chariot dépend en grande partie de l'écartement dans la direction longitudinale des roues pivotantes avant et arrière. On comprend en ef- fet que la distance séparant les points d'appui de ces roues au sol peut varier selon que les roues sont situées à l'arrière de leur axe de pivotement ou à l'avant de celui-ci.  The rolling members of the workshop carts are sometimes arranged in diamond, four in number, namely a front wheel with pivoting yoke, a rear wheel also pivoting and two non-pivoting side wheels with fixed yokes. This arrangement allows the carriage to rotate about a central axis of virtual rotation located perpendicular to the base and passing between the two fixed side wheels. The stability of such a platform or trolley depends largely on the spacing in the longitudinal direction of the front and rear swivel wheels. It is understood that the distance between the support points of these wheels on the ground may vary depending on whether the wheels are located at the rear of their pivot axis or at the front thereof.

OBJET DE L'INVENTION Par la présente invention, on entend fournir un chariot d'atelier dans lequel la sphère de traction ne fait pas saillie au-delà du bord arrière du chariot sans pour autant nuire à la stabilité de ce dernier.  OBJECT OF THE INVENTION The present invention is intended to provide a workshop trolley in which the traction sphere does not protrude beyond the rear edge of the trolley without affecting the stability of the trolley.

RESUME DE L'INVENTION Dans cette optique, l'invention a pour objet un chariot d'atelier comportant une plate-forme roulante avec un bord avant et un bord arrière, un timon d'attelage articulé au niveau du bord avant autour d'un axe ho- rizontal, un premier organe d'attelage équipant l'extrémité du timon, un second organe d'attelage situé au ni-veau du bord arrière de la plate-forme, remarquable en ce que le second organe d'attelage est situé sous la plate-forme en dedans du bord arrière en même temps qu'il est situé entre deux roues arrière du chariot montées pivotantes chacune autour d'un axe vertical. On a pu, grâce à cette disposition, placer cet organe dans un endroit où il ne fait pas saillie de la périphérie du chariot sans pour autant nuire à la stabi- lité d'un chariot lorsque celui-ci est un chariot avec des roues au sommet d'un losange, et tout en conservant à ce chariot sa maniabilité en rotation. Dans un mode préféré de réalisation, le premier organe est un boîtier d'attelage et le second organe est une sphère d'attelage. En outre, la sphère est tournée vers le bas pour être coiffée par un boîtier de bas en haut. L'invention sera mieux comprise au cours de la description donnée ci-après de quelques exemples de sa réalisation.  SUMMARY OF THE INVENTION In this regard, the subject of the invention is a workshop trolley comprising a rolling platform with a front edge and a rear edge, a drawbar hinged at the front edge around a horizontal axis, a first coupling member equipping the end of the drawbar, a second coupling member located at the level of the rear edge of the platform, remarkable in that the second coupling member is located under the platform within the rear edge at the same time as it is located between two rear wheels of the carriage rotatably mounted each about a vertical axis. Thanks to this arrangement, it has been possible to place this member in a place where it does not protrude from the periphery of the carriage without affecting the stability of a carriage when it is a carriage with wheels. top of a rhombus, and while maintaining this cart rotation maneuverability. In a preferred embodiment, the first member is a hitch housing and the second member is a hitch sphere. In addition, the sphere is turned down to be capped by a box from bottom to top. The invention will be better understood in the description given below of some examples of its implementation.

BREVE DESCRIPTION DES DESSINS Il sera fait référence aux dessins annexés parmi lesquels : - la figure 1 illustre un chariot conforme à l'invention, - la figure 2 et la figure 3 illustrent une va-riante de réalisation de la figure 1. DESCRIPTION DETAILLEE DE L'INVENTION A la figure 1, le chariot représenté comporte une plate-forme 1, équipée à chacun de ses angles de parois de contention 2 d'une charge. Cette plate-forme possède un bord avant 3 auquel est articulé autour d'un axe horizontal un timon 4, pourvu à son extrémité libre d'un boîtier 5 susceptible de venir coiffer une sphère d'atte- lage. A son extrémité longitudinale opposée, la plate-forme 1 comporte un bord arrière 6. Sous cette plate-forme, on a disposé des organes de roulement:, à savoir deux roues latérales 7 et 8 qui sont fixes, c'est-à-dire prises dans des chapes non tournantes 9 et 10 et des roues avant et arrière. Dans le cas de figure, une roue avant 11 unique est montée dans une chape 12, elle-même tournante sous une platine de fixation horizontale autour d'un axe vertical. La roue 11 est placée au plus près du bord avant 3 et sensiblement en son milieu.  BRIEF DESCRIPTION OF THE DRAWINGS Reference will be made to the appended drawings in which: FIG. 1 illustrates a carriage according to the invention, FIG. 2 and FIG. 3 illustrate a variant embodiment of FIG. 1. DETAILED DESCRIPTION OF THE DRAWINGS In FIG. 1, the illustrated carriage comprises a platform 1 equipped at each of its support wall angles 2 with a load. This platform has a front edge 3 to which is articulated about a horizontal axis a drawbar 4, provided at its free end with a housing 5 adapted to cap a ball of attelage. At its opposite longitudinal end, the platform 1 comprises a rear edge 6. Under this platform, there are arranged rolling members, namely two lateral wheels 7 and 8 which are fixed, that is to say say taken in non-rotating clevises 9 and 10 and front and rear wheels. In the case of FIGURE, a single front wheel 11 is mounted in a yoke 12, itself rotating under a horizontal fixing plate around a vertical axis. The wheel 11 is placed closer to the front edge 3 and substantially in the middle.

Au bord arrière 6, la plate-forme du chariot de l'invention est équipée de deux roues pivotantes 13 et 14 respectivement portées par des chapes 15 et 16 qui elles-mêmes tournent autour d'un axe vertical par rapport à une platine horizontale fixée sous la plate-forme 1 et au plus près du bord arrière 6. Ces roues arrières 13 et 14 pivotantes jouent du point de vie cinématique le même rôle qu'une roue unique c'est-à-dire que le chariot peut pivoter autour d'un axe vertical virtuel passant par le milieu de la plate-forme entre les roues fixes 7 et 8.  At the rear edge 6, the platform of the trolley of the invention is equipped with two pivoting wheels 13 and 14 respectively carried by yokes 15 and 16 which themselves rotate about a vertical axis relative to a fixed horizontal plate under the platform 1 and closer to the rear edge 6. These rear wheels 13 and 14 pivoting play the kinematic point of life the same role that a single wheel that is to say that the carriage can rotate around a virtual vertical axis passing through the middle of the platform between the fixed wheels 7 and 8.

4 Les roues 13 et 14 écartées du centre arrière de la plate-forme laissent la possibilité de disposer entre elles, sous cette plate-forme et en retrait du bord 6 une sphère d'attelage 17 suffisamment basse pour pouvoir ac- cueillir le boîtier 5 d'un chariot suivant. Aux figures 2 et 3 on retrouve certains des éléments déjà décrits avec les mêmes références. On constate que la sphère d'attelage 18 est ici tournée vers le bas de sorte que l'attelage s'opère au moyen d'un timon qui est équipé comme à la figure 3 d'un boîtier 19 retourné. Des moyens non représentés sont prévus pour verrouiller et déverrouiller le boîtier 19 sur la sphère d'attelage 18 à l'instar des poignées connues mais disposés à l'op-posé de l'ouverture du boîtier sur le timon pour pouvoir être aisément accessibles. L'invention trouve une application particulière intéressante dans le domaine de la manutention par train de chariots ou de bases roulantes, de pièces et fournitures pour lignes de montage. Plus spécialement encore, l'intérêt de l'invention est manifeste pour des chariots dont la direction de déplacement est parallèle à la plus petite dimension de la base roulante. La description donnée ci-dessus est celle du meilleur mode de réalisation de l'invention. Dans une ré- alisation plus rustique, le timon peut être équipé d'un anneau et l'arrière du chariot d'un crochet pour recevoir l'anneau.4 The wheels 13 and 14 spaced apart from the rear center of the platform allow the possibility of arranging between them, under this platform and recessed from the edge 6 a hitch sphere 17 sufficiently low to be able to receive the housing 5 of a following cart. Figures 2 and 3 are some of the elements already described with the same references. It is found that the coupling sphere 18 is here facing downwards so that the coupling is effected by means of a drawbar which is equipped as in FIG. 3 with a returned housing 19. Means not shown are provided for locking and unlocking the housing 19 on the hitch sphere 18 like the handles known but arranged at the op-posed opening of the housing on the drawbar to be easily accessible. The invention has a particular application of interest in the field of the handling of trolleys or rolling bases, parts and supplies for assembly lines. More particularly, the advantage of the invention is obvious for trolleys whose direction of movement is parallel to the smallest dimension of the rolling base. The description given above is that of the best embodiment of the invention. In a more rustic construction, the drawbar can be equipped with a ring and the rear of the carriage with a hook to receive the ring.

Claims (3)

REVENDICATIONS 1. Chariot d'atelier comportant : - une plate-forme (1) roulante avec un bord avant (3) et un bord arrière (6), - un timon (4) d'attelage articulé au niveau du bord avant (3) autour d'un axe horizontal, - un premier organe d'attelage (5) équipant l'extrémité du timon (4), - un second organe d'attelage (17) situé au ni-veau du bord arrière (6) de la plate-forme (1), caractérisé en ce que le second organe d'attelage (17) est situé sous la plate-forme, en dedans du bord arrière (6) et sensiblement entre deux roues (13, 14) arrière du cha- riot, montées pivotantes chacune autour d'un axe vertical.  1. Workshop trolley comprising: - a platform (1) with a leading edge (3) and a rear edge (6), - a drawbar (4) articulated at the front edge (3) around a horizontal axis, - a first coupling member (5) fitted to the end of the drawbar (4), - a second coupling member (17) located at the level of the rear edge (6) of the platform (1), characterized in that the second coupling member (17) is located under the platform, within the rear edge (6) and substantially between two rear wheels (13, 14) of the seat. riot, mounted pivoting each around a vertical axis. 2. Chariot selon la revendication 1, caractérisé en ce que le premier organe d'attelage est un boîtier (5) tandis que le second organe d'attelage est une sphère (17).  2. Trolley according to claim 1, characterized in that the first coupling member is a housing (5) while the second coupling member is a sphere (17). 3. Chariot selon la revendication 2, caractérisé en ce que la sphère (18) est tournée vers le bas pour être coiffée par un boîtier (19) de bas en haut.  3. Trolley according to claim 2, characterized in that the sphere (18) is turned down to be capped by a housing (19) from bottom to top.
FR0702381A 2007-04-02 2007-04-02 WORKSHOP TROLLEY Expired - Fee Related FR2914226B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109204401A (en) * 2017-06-30 2019-01-15 红塔烟草(集团)有限责任公司 A kind of big oil sealing charging carriage of GDX6S

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351541A (en) * 1980-04-25 1982-09-28 Herman Miller, Inc. Vehicle towing system
US4949986A (en) * 1986-09-24 1990-08-21 United Tractor Company Body and undercarriage for interconnectable baggage carts
FR2784940A1 (en) * 1998-10-23 2000-04-28 Stic Equipements Automatic coupling of trucks used for industrial waste, comprises a coupling bar interacting with guides located on the truck side
WO2001034415A1 (en) * 1999-11-09 2001-05-17 Valeo Thermique Moteur Coupling device for industrial truck
WO2004016456A1 (en) * 2002-08-19 2004-02-26 Coutier Industrie Transport and handling truck
FR2882323A1 (en) * 2005-02-21 2006-08-25 Coutier Ind Sarl Sarl Workshop carriage, has platform comprising rolling units constituted by two adjacent or paired wheels which are rotated independently, and common axle traversing clevis through orifices for traversing sleeve on which wheels are mounted

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351541A (en) * 1980-04-25 1982-09-28 Herman Miller, Inc. Vehicle towing system
US4949986A (en) * 1986-09-24 1990-08-21 United Tractor Company Body and undercarriage for interconnectable baggage carts
FR2784940A1 (en) * 1998-10-23 2000-04-28 Stic Equipements Automatic coupling of trucks used for industrial waste, comprises a coupling bar interacting with guides located on the truck side
WO2001034415A1 (en) * 1999-11-09 2001-05-17 Valeo Thermique Moteur Coupling device for industrial truck
WO2004016456A1 (en) * 2002-08-19 2004-02-26 Coutier Industrie Transport and handling truck
FR2882323A1 (en) * 2005-02-21 2006-08-25 Coutier Ind Sarl Sarl Workshop carriage, has platform comprising rolling units constituted by two adjacent or paired wheels which are rotated independently, and common axle traversing clevis through orifices for traversing sleeve on which wheels are mounted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109204401A (en) * 2017-06-30 2019-01-15 红塔烟草(集团)有限责任公司 A kind of big oil sealing charging carriage of GDX6S

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