FR2606765A1 - Support-distributing mechanism for handling- and lifting-trucks, particularly pallet trucks and stackers - Google Patents
Support-distributing mechanism for handling- and lifting-trucks, particularly pallet trucks and stackers Download PDFInfo
- Publication number
- FR2606765A1 FR2606765A1 FR8615731A FR8615731A FR2606765A1 FR 2606765 A1 FR2606765 A1 FR 2606765A1 FR 8615731 A FR8615731 A FR 8615731A FR 8615731 A FR8615731 A FR 8615731A FR 2606765 A1 FR2606765 A1 FR 2606765A1
- Authority
- FR
- France
- Prior art keywords
- support
- wheel
- mechanism according
- trucks
- drive 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000003019 stabilising effect Effects 0.000 abstract 2
- 239000000872 buffer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
- B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/08—Wheel arrangements; Steering; Stability; Wheel suspension comprising additional wheels to increase stability
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
Description
L'invention concerne 7 es chariots de manuten- tion et de levage tels que ceux dénommés traspalettes ou gerbeurs et se rapporte plus précisément à un mécanisme permettant de répartir sur les roues la charge transportée. The invention relates to handling and lifting carts such as those called traspalettes or stackers and relates more precisely to a mechanism enabling the load transported to be distributed over the wheels.
On sait que ces chariots1 qu'ils soient manuels ou motorisés, sont amenés à déplacer des palettes d'un endroit à un autre après les avoir légèrement écartées du sol, ou à les gerber sur des emplacements de stockage. Pour cela ils doivent suivredes cheminementssinueux et pouvoir effectuer des virages à forte courbure. Il est alors usuel de fabriquer des chariots ayant d'un côté une roue centrale à la fois motrice et directrice et de l'autre deux galets porteurs. Dans le cas de transpalettes la roue motrice est habituellement à l'arrière au niveau des organes de commande et des batteries d'alimentation tandis que les galets porteurs se trouvent sous les bras de fourches et portent l'essentiel de la charge.Un tel chariot à trois points d'appui n'étant évidemment pas stable, on a pensé lui adjoindre deux roulettes stabilisatrices placées de part et d'autre de la roue motrice et montées sur des ressorts ou tampons élastiques. Cette disposition particulière ne donne cependant pas toujours satisfaction, car sur les plans inclinés ou en virage, l'écrasement d'une roulette stabilisa- trice fait pencher le chariot, au risque du renversement de la charge. On préfère alors utiliser des transpalettes ou gerbeurs disposant de deux roues stabilisatrices porteuses et de deux galets également porteurs, une roue motrice centrale étant aussi prévue entre les deux roues stabilisatrices. Grâce à ces quatre points d'appui, on a une bonne stabilité de l'engin.En contrepartie la roue motrice doit être lestée par un ressort pour être constamment en appui sur le sol, quelles que soient les irrégularités de celui-ci. We know that these trolleys1 whether manual or motorized, are required to move pallets from one place to another after having slightly moved them from the ground, or to stack them on storage locations. For this they must follow sinuous paths and be able to make turns with a large curvature. It is then customary to manufacture carriages having on one side a central wheel which is both driving and steering and on the other two carrying rollers. In the case of pallet trucks, the drive wheel is usually at the rear at the level of the control members and the supply batteries while the support rollers are located under the fork arms and carry most of the load. with three support points obviously not being stable, it was thought to add two stabilizing rollers placed on either side of the drive wheel and mounted on springs or elastic buffers. This particular arrangement is not always satisfactory, however, because on inclines or in bends, the crushing of a stabilizing wheel causes the carriage to tilt, at the risk of the load overturning. It is therefore preferable to use pallet trucks or stackers having two load-bearing stabilizing wheels and two equally load-bearing rollers, a central drive wheel also being provided between the two stabilizing wheels. Thanks to these four support points, the machine has good stability. In return, the drive wheel must be ballasted with a spring to be constantly supported on the ground, regardless of its irregularities.
Cela n'empêche pas cependant que cette roue patine pour des charges lourdes, du fait de l'insuffisance de la poussée du ressort. However, this does not prevent this wheel from slipping for heavy loads, due to the insufficient spring thrust.
Pour éviter cela on connait une solution qui consiste à associer à la roue motrice un système de compression hydraulique, par exemple à vérins, qui augmente l'appui de cette roue sur le sol, proportionnellement à l'augmentation de la charge. Cependant' cette solution est coûteuse : de plus les vérins en question nécessitent des réglages et un bon entretien. To avoid this, a solution is known which consists in associating with the drive wheel a hydraulic compression system, for example with jacks, which increases the support of this wheel on the ground, in proportion to the increase in the load. However, this solution is expensive: moreover the cylinders in question require adjustments and good maintenance.
L'invention vise à résoudre ces inconvénients en ce qu'elle propose un mécanisme répartiteur d'appui qui permet au chariot à la fois de garder une très bonne sta bilité quelles que soient les inégalités du sol, mais aussi d'améliorer l'adhérence de la roue motrice pour ntim- porte quelle charge transportée, et cela en evitant l'emploi de tous ressorts ou mécanismes analogues associés aux roues porteuses et prévus habituellement pour compenser ces inégalités. The invention aims to solve these drawbacks in that it provides a support distributor mechanism which allows the trolley both to keep a very good stability whatever the unevenness of the ground, but also to improve the grip. of the driving wheel for whatever load transported, and this by avoiding the use of any springs or similar mechanisms associated with the carrying wheels and usually provided to compensate for these inequalities.
A cet effet l'invention a pour objet un mécanisme répartiteur d'appui destiné aux chariots de manutention et de levage notamment les transpalettes et les gerbeurs, du type comportant deux bras de fourches dont les extrémites avant reposent sur des galets porteurs et dont les extrémités arrières prennent appui sur un support lui-même soutenu par une rouemotodirectrice centrale et deux roues stabilisatrices latérales. Selon l'invention ledit mécanisme est constitué d'un palonnier essentiellement dispose à l'extérieur de la zone de la roue motrice centrale, qui comporte un tube de liaison reliant par deux leviers pivotant et une biellette de renvoi, les deux roues stabilisatrices latérales déplaçables verticalement, à la colonne qui supporte la roue centrale et qui peut coulisser sur un support en forme de pont. To this end, the subject of the invention is a support distributor mechanism intended for handling and lifting carts, in particular pallet trucks and stackers, of the type comprising two fork arms, the front ends of which rest on support rollers and the ends of which rear are supported on a support itself supported by a central steering wheel and two lateral stabilizing wheels. According to the invention, said mechanism consists of a lifter essentially arranged outside the area of the central drive wheel, which comprises a connecting tube connecting by two pivoting levers and a return link, the two movable lateral stabilizing wheels vertically, to the column which supports the central wheel and which can slide on a bridge-shaped support.
Selon une autre caractéristique particulière de de l'invention l'extrémité supérieure de la tige coulissante supportant une roue latérale s'articule sur l'extrémité d'un levier de palonnier, deux bobines de plus grand diamètre étant fixées à l'extrémité de la tige, et un petit galet à axe horizontal étant monté à l'extrémité du levier de palonnier et engagé entre les deux bobines. According to another particular characteristic of the invention, the upper end of the sliding rod supporting a side wheel is articulated on the end of a lifter lever, two coils of larger diameter being fixed at the end of the rod, and a small roller with horizontal axis being mounted at the end of the lifter lever and engaged between the two coils.
Selon encore une autre caractéristique de l'invention les deux leviers de palonnier sont articulés chacun sur une jambe verticale prévue à chaque extrémité du pont support par un axe ds pivotement horizontal. According to yet another characteristic of the invention, the two lifter levers are each articulated on a vertical leg provided at each end of the support bridge by an axis of horizontal pivoting.
Egalement selon l'invention l'extr mité de la biellette de renvoi du déplacement du tube de 12 aison à la roue motrice centrale, coopère avec la colonne supportant ladite roue, la biellette de renvoi portant à son extrémité un galet à axe horizontal prenant appui sur une piste circulaire prévue au-dessus de la plaque d'accrochage de la roue motrice.Also according to the invention the end of the return link rod for the displacement of the tube from 12 to the central drive wheel, cooperates with the column supporting said wheel, the return link bearing at its end a roller with horizontal axis resting on a circular track provided above the drive wheel attachment plate.
Du fait de cet agencement du palonnier selon l'invention, l'accroissement de charge subi par la roue centrale en cas d'irrégularité du sol est immédiatement transféré au moins partiellement sur les roues latérales, et inversement, et ceci va dans le sens de l'obtention notamment d'une meilleure stabilité du chariot sur sol incliné ou irrégulier.Due to this arrangement of the lifter according to the invention, the increase in load undergone by the central wheel in the event of unevenness of the ground is immediately transferred at least partially to the side wheels, and vice versa, and this goes in the direction of in particular obtaining better stability of the carriage on inclined or uneven ground.
D'autres avantages et caractéristiques de l'invention ressortiront de la description qui va suivre d'un mécanisme répartiteur d'appui selon l'invention faisant référence aux dessins annexés qui représentent
la figure 1 une vue schématique en élévation du chariot équipé dudit mécanisme ;
la figure 2 une vue schématique en plan du chariot
la figure 3 une vue en perspective du palonnier du mécanisme répartiteur.Other advantages and characteristics of the invention will emerge from the description which follows of a support distributor mechanism according to the invention with reference to the appended drawings which represent
Figure 1 a schematic elevational view of the carriage equipped with said mechanism;
Figure 2 a schematic plan view of the carriage
Figure 3 a perspective view of the spreader of the distributor mechanism.
Le chariot de manutention et de levage représenté aux figures 1 et 2 comporte deux bras de fourches 1 dont les extrémités avant reposent sur des galets porteurs 2 et dont les extrémités arrière, solidaires d'un chassis non représenté, sont en appui sur un support 3 en forme de pont qui repose sur une roue motodirectrice centrale 4. En se référant également à la figure 3, on voit que cette roue directrice 4, sur l'axe de laquelle est d'ailleurs monté un motoréducteur d'entraînement, non représenté, est fixée à une plaque d'accrochage 5 montée en haut d'une colonne 6 susceptible de coulisser et de pivoter dans un moyeu 7 traversant le pont-support 3 en son centre. L'extrémité supérieure de la colonne 6 est solidaire d'une chape 8 sur laquelle s'articule le timon 9 de manoeuvre du chariot. The handling and lifting carriage shown in FIGS. 1 and 2 comprises two fork arms 1, the front ends of which rest on support rollers 2 and the rear ends of which are secured to a chassis not shown, are supported on a support 3 in the form of a bridge which rests on a central power steering wheel 4. With reference also to FIG. 3, it can be seen that this steering wheel 4, on the axis of which is also mounted a drive gearmotor, not shown, is fixed to a hooking plate 5 mounted at the top of a column 6 capable of sliding and pivoting in a hub 7 passing through the support bridge 3 at its center. The upper end of the column 6 is integral with a yoke 8 on which the drawbar 9 for operating the carriage is articulated.
Les deux jambes latérales verticales du pont support 3 forment chacune une potence 10 ayant un manchon vertical de guidage 13 pour la tige 11 de support d'une roue stabilisatrice autopivotante 12. On a ainsi deux roues stabilisatrices, chacune montée à chaque extrémité du pont 3, de part et d'autre de la roue directice centrale 4 et légire- ment en avant de celle-ci. La tige 11 de chaque roue 12 peut donc pivoter et coulisser dans le manchon de guidage 13.The two vertical lateral legs of the support bridge 3 each form a bracket 10 having a vertical guide sleeve 13 for the rod 11 for supporting a self-rotating stabilizing wheel 12. There are thus two stabilizing wheels, each mounted at each end of the bridge 3 , on either side of the central steering wheel 4 and slightly in front of it. The rod 11 of each wheel 12 can therefore pivot and slide in the guide sleeve 13.
L'extrémité supérieure de ladite tige se termine par deux bobines 14 de plus grand diamètre, légèrement écartées l'une de l'autre, la bobine inférieure venant en butée contre le manchon de guidage 13. Entre ces deux bobines est engagé un petit galet 15 à axe horizontal monté à l'extrémité d'un levier de palonnier 16 articulé sur une Jambe verticale du pont-support 3 par un axe de pivotement 17. On dispose ainsi d'un levier 16 associé à chacune des roues latérales stabilisatrices 12. L'extrémité des deux leviers du côté opposé à ces roues 12, se développe vers l'arrière du chariot, à l'extérieur de la zone de la roue motrice. Les deux extrémités de ces leviers de palonnier sont raccordées par un tube de liaison 18 qui est dont horizontal et parallèle au pont support 3. Ce tube 18 est solidaire d'une biellette de renvoi 19 dont l'extrémité porte un galet 20 à axe horizontal prenant appui sur une piste circulaire 21 prévue au dessus de la plaque d'accrochage 5.The upper end of said rod ends in two coils 14 of larger diameter, slightly spaced from each other, the lower coil coming into abutment against the guide sleeve 13. Between these two coils is engaged a small roller 15 with a horizontal axis mounted at the end of a lifter lever 16 articulated on a vertical leg of the support bridge 3 by a pivot axis 17. There is thus a lever 16 associated with each of the lateral stabilizing wheels 12. The end of the two levers on the side opposite to these wheels 12, develops towards the rear of the carriage, outside the area of the driving wheel. The two ends of these lifter levers are connected by a connecting tube 18 which is horizontal and parallel to the support bridge 3. This tube 18 is secured to a return link 19 whose end carries a roller 20 with a horizontal axis bearing on a circular track 21 provided above the attachment plate 5.
L'ensemble formé des deux leviers de palonnier 16, du tube de liaison 18 et de la biellette de renvoi 19 constitue un palonnier assurant la répartition de l'appui sur la roue cer. -ale 4 et les roues latérales 12, de la façon suivante. The assembly formed by the two lifter levers 16, the connecting tube 18 and the return link 19 constitutes a lifter ensuring the distribution of the support on the cer wheel. -ale 4 and the side wheels 12, as follows.
On a représenté à la figure 3 le palonnier (16, 18, 19) en position haute en traits pleins et en position basse en pointillés. Quand le sol est rigoureusement plan et ne présente pas d'irrégularités, les roues 12 et la roue 4 ont leur trois points d'appui au sol dans un même plan horizontal et le tube de liaison 18 occupe une position intermédiaire aux deux positions représentées. Quand le chariot passe par exemple sur une petite bosse du sol au niveau de la roue centrale 4, celle-ci tend à monter du fait que la colonne 6 peut coulisser dans le moyeu 7 solidaire du pont-support 3. Le mouvement relatif de montée de la colonne 6 par rapport audit pont 3 entraîne par l'intermédiaire du galet 20 la montée de la biellette 19 ainsi que du tube 18 qui provoque le pivotement des leviers de palonnier 16 autour des axes 17.L'extrémité opposée des leviers 16 se déplace alors vers le bas et leur galet 15 exerce sur la bobine inférieure 14 une pression verticale de haut en bas qui maintient les roues 12 dans la position représentée en traits pleins sur la figure 3. Dans une disposition classique, quand la roue centrale passe ainsi sur une bosse, elle supporte la quasi totalité de la charge tandis que les roues latérales en sont d'autant allégées. Dans le dispositif selon l'invention, du fait de l'agencement du palonnier cet accroissement de charge subi par la roue centrale 4 est immédiatement transféré, au moins partiellement sur les roues latérales 12. Cette répartition automatique de l'appui de la charge va par conséquent dans le sens d'une meilleure stabilité du chariot sur sol incliné ou irrégulier. FIG. 3 shows the lifter (16, 18, 19) in the high position in solid lines and in the low position in dotted lines. When the ground is strictly flat and does not have any irregularities, the wheels 12 and the wheel 4 have their three points of support on the ground in the same horizontal plane and the connecting tube 18 occupies an intermediate position in the two positions shown. When the carriage passes for example over a small bump in the ground at the level of the central wheel 4, the latter tends to rise because the column 6 can slide in the hub 7 secured to the support bridge 3. The relative movement of ascent of the column 6 with respect to said bridge 3 drives through the roller 20 the rise of the link 19 as well as of the tube 18 which causes the pivoting of the lifter levers 16 around the axes 17. The opposite end of the levers 16 then moves downwards and their roller 15 exerts on the lower spool 14 a vertical pressure from top to bottom which maintains the wheels 12 in the position shown in solid lines in FIG. 3. In a conventional arrangement, when the central wheel thus passes on a bump, it supports almost all of the load while the side wheels are all the lighter. In the device according to the invention, due to the arrangement of the lifter, this increase in load undergone by the central wheel 4 is immediately transferred, at least partially to the side wheels 12. This automatic distribution of the load support goes therefore in the direction of better stability of the carriage on inclined or uneven ground.
De façon inverse, quand le chariot passe par exemple sur un creux du sol au niveau de sa roue centrale 4, celle-ci va descendre puisque la colonne 6 coulisse vers le bas dans le moyeu 7. Le galet d'appui 20 peut donc suivre le mouvement de descente de la plaque d'accrochage 5, ainsi par conséquent que la biellette de renvoi 19. La pression exercée par la charge sur les roues latérales 12 permet alors le pivotement aes leviers de palonnier 16 et de descente du tube de liaison 18 jusqu'à la position indiquée en pointillés sur la figure 3. Dans ce cas également il y a répartition automatique de l'appui de la charge sur les trois roues situées du côté arrière du chariot. On notera qu'une telle disposition permet de s'affranchir de tous ressorts ou vérins de suspension ou de compensation aussi bien au niveau de la roue centrale 4 qu'au niveau des roues stabilisatrices latérales 12. L'adhérence de la roue motrice au sol reste correcte pour toutes charges et quelle que soit la planéité du sol. Ce système mécanique de renvoi à leviers, tel que décrit, est localisé à l'extérieur de la zone de la roue motrice, en arrière du chariot. On dispose ainsi des bras de leviers suffisants pour permettre le renvoi des charges de la roue centrale aux roues stabilisatrices, et inversement. Un tel montage est en outre facilement réalisable, il ne gêne pas le mouvement de la roue directrice ni l'accès aux mécanismes de commande qui lui sont associés Il est en outre d'un encombrement réduit. Conversely, when the carriage passes for example over a hollow in the ground at its central wheel 4, the latter will descend since the column 6 slides downward in the hub 7. The support roller 20 can therefore follow the downward movement of the attachment plate 5, and therefore as well as the return link 19. The pressure exerted by the load on the side wheels 12 then allows the pivoting of the lifter levers 16 and the descent of the connecting tube 18 up to the position indicated by dotted lines in FIG. 3. In this case also, there is automatic distribution of the support of the load on the three wheels situated on the rear side of the carriage. It will be noted that such an arrangement makes it possible to dispense with all springs or cylinders for suspension or compensation both at the level of the central wheel 4 and at the level of the lateral stabilizing wheels 12. The adhesion of the driving wheel to the ground remains correct for all loads and whatever the flatness of the ground. This mechanical lever return system, as described, is located outside the drive wheel area, behind the carriage. There are thus sufficient lever arms to allow the return of the loads from the central wheel to the stabilizing wheels, and vice versa. Such mounting is also easily achievable, it does not interfere with the movement of the steerable wheel or access to the control mechanisms associated therewith. It is also compact.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8615731A FR2606765B1 (en) | 1986-11-13 | 1986-11-13 | DISTRIBUTING MECHANISM FOR HANDLING AND LIFTING TROLLEYS, IN PARTICULAR TRANSPALETTES AND STACKERS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8615731A FR2606765B1 (en) | 1986-11-13 | 1986-11-13 | DISTRIBUTING MECHANISM FOR HANDLING AND LIFTING TROLLEYS, IN PARTICULAR TRANSPALETTES AND STACKERS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2606765A1 true FR2606765A1 (en) | 1988-05-20 |
| FR2606765B1 FR2606765B1 (en) | 1989-03-03 |
Family
ID=9340740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8615731A Expired FR2606765B1 (en) | 1986-11-13 | 1986-11-13 | DISTRIBUTING MECHANISM FOR HANDLING AND LIFTING TROLLEYS, IN PARTICULAR TRANSPALETTES AND STACKERS |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2606765B1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2648775A1 (en) * | 1989-06-27 | 1990-12-28 | Maloeuvre Robert | Trajectory guidance device, particularly for handling trolleys |
| FR2667546A1 (en) * | 1990-10-09 | 1992-04-10 | Loc Manutention | PLATFORM TROLLEY HAS REINFORCED STABILITY. |
| DE4227954A1 (en) * | 1992-08-22 | 1994-02-24 | Jungheinrich Ag | Tricycle vehicle, in particular industrial truck |
| FR2698826A1 (en) * | 1992-12-07 | 1994-06-10 | Loc Manutention | Compensation assembly for pallet trolley - uses complementary balancing spring actuated through manual mechanism to allow for wear of tyres |
| EP0670256A1 (en) * | 1994-03-04 | 1995-09-06 | M I C, Société Anonyme | Fork lift truck comprising stabilising wheels |
| US5628377A (en) * | 1995-06-16 | 1997-05-13 | M I C, Societe Anonyme | Goods-handling cart with stabilizing wheels |
| DE19807849A1 (en) * | 1998-02-25 | 1999-09-23 | Jungheinrich Ag | Fork lift truck with adjustable support rollers |
| EP1147968A3 (en) * | 2000-04-20 | 2003-04-16 | Jungheinrich Aktiengesellschaft | Five wheeled fork lift truck |
| DE102006059508A1 (en) * | 2006-12-14 | 2008-06-26 | Scharfenberger & Co. Gmbh | Hand lift truck for lifting and processing pallets, has carriage head arranged in front, lifting fork that is attached to carriage head form back side, where lifting fork has two prongs that extending parallel to each other |
| EP2258652A1 (en) * | 2009-06-01 | 2010-12-08 | Aranguren Comercial Del Embalaje S.L. | Improved pallet truck |
| DE102013112633A1 (en) * | 2013-11-15 | 2015-05-21 | Jungheinrich Aktiengesellschaft | pallet truck |
| EP2641809A3 (en) * | 2012-03-20 | 2017-12-27 | The Raymond Corporation | Turn stability systems and methods for lift trucks |
| CN113371640A (en) * | 2021-08-12 | 2021-09-10 | 山东山宇重工机械有限公司 | Multifunctional small-sized hydraulic pallet truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1649946A (en) * | 1926-11-10 | 1927-11-22 | George P Clark Company | Swivel caster |
| GB853045A (en) * | 1957-12-18 | 1960-11-02 | Shepard Co Lewis | A power propelled materials handling truck |
| CH352955A (en) * | 1957-04-25 | 1961-03-15 | Kempf & Co Ag | Stacking stacker vehicle with three-wheeled chassis |
| FR2006411A1 (en) * | 1968-04-18 | 1969-12-26 | Wagner Appbau Ernst | |
| CH594524A5 (en) * | 1975-08-15 | 1978-01-13 | Josef Kantorowicz | Three wheeled forklift truck of high stability |
| EP0150830A2 (en) * | 1984-01-25 | 1985-08-07 | Steinbock GmbH | Industrial truck with control by handle |
-
1986
- 1986-11-13 FR FR8615731A patent/FR2606765B1/en not_active Expired
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1649946A (en) * | 1926-11-10 | 1927-11-22 | George P Clark Company | Swivel caster |
| CH352955A (en) * | 1957-04-25 | 1961-03-15 | Kempf & Co Ag | Stacking stacker vehicle with three-wheeled chassis |
| GB853045A (en) * | 1957-12-18 | 1960-11-02 | Shepard Co Lewis | A power propelled materials handling truck |
| FR2006411A1 (en) * | 1968-04-18 | 1969-12-26 | Wagner Appbau Ernst | |
| CH594524A5 (en) * | 1975-08-15 | 1978-01-13 | Josef Kantorowicz | Three wheeled forklift truck of high stability |
| EP0150830A2 (en) * | 1984-01-25 | 1985-08-07 | Steinbock GmbH | Industrial truck with control by handle |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2648775A1 (en) * | 1989-06-27 | 1990-12-28 | Maloeuvre Robert | Trajectory guidance device, particularly for handling trolleys |
| FR2667546A1 (en) * | 1990-10-09 | 1992-04-10 | Loc Manutention | PLATFORM TROLLEY HAS REINFORCED STABILITY. |
| EP0480817A1 (en) * | 1990-10-09 | 1992-04-15 | Loc Manutention | Industrial truck with platform and increased stability |
| DE4227954A1 (en) * | 1992-08-22 | 1994-02-24 | Jungheinrich Ag | Tricycle vehicle, in particular industrial truck |
| FR2698826A1 (en) * | 1992-12-07 | 1994-06-10 | Loc Manutention | Compensation assembly for pallet trolley - uses complementary balancing spring actuated through manual mechanism to allow for wear of tyres |
| EP0670256A1 (en) * | 1994-03-04 | 1995-09-06 | M I C, Société Anonyme | Fork lift truck comprising stabilising wheels |
| FR2716878A1 (en) * | 1994-03-04 | 1995-09-08 | Mic | Handling cart with stabilizing wheels. |
| US5628377A (en) * | 1995-06-16 | 1997-05-13 | M I C, Societe Anonyme | Goods-handling cart with stabilizing wheels |
| DE19807849A1 (en) * | 1998-02-25 | 1999-09-23 | Jungheinrich Ag | Fork lift truck with adjustable support rollers |
| DE19807849C2 (en) * | 1998-02-25 | 1999-12-23 | Jungheinrich Ag | Pallet truck with adjustable support rollers |
| EP1147968A3 (en) * | 2000-04-20 | 2003-04-16 | Jungheinrich Aktiengesellschaft | Five wheeled fork lift truck |
| DE102006059508A1 (en) * | 2006-12-14 | 2008-06-26 | Scharfenberger & Co. Gmbh | Hand lift truck for lifting and processing pallets, has carriage head arranged in front, lifting fork that is attached to carriage head form back side, where lifting fork has two prongs that extending parallel to each other |
| DE102006059508B4 (en) * | 2006-12-14 | 2012-11-15 | Scharfenberger & Co. Gmbh | Hand trucks |
| EP2258652A1 (en) * | 2009-06-01 | 2010-12-08 | Aranguren Comercial Del Embalaje S.L. | Improved pallet truck |
| EP2641809A3 (en) * | 2012-03-20 | 2017-12-27 | The Raymond Corporation | Turn stability systems and methods for lift trucks |
| DE102013112633A1 (en) * | 2013-11-15 | 2015-05-21 | Jungheinrich Aktiengesellschaft | pallet truck |
| DE102013112633B4 (en) | 2013-11-15 | 2023-10-05 | Jungheinrich Aktiengesellschaft | Pedestrian pallet truck |
| CN113371640A (en) * | 2021-08-12 | 2021-09-10 | 山东山宇重工机械有限公司 | Multifunctional small-sized hydraulic pallet truck |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2606765B1 (en) | 1989-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0739286B1 (en) | Improved arm for automatically guiding a road vehicle along a guide rail | |
| FR2606765A1 (en) | Support-distributing mechanism for handling- and lifting-trucks, particularly pallet trucks and stackers | |
| EP0329504A1 (en) | Service trolley | |
| EP0905083B1 (en) | Lift truck with mast adapted to be mounted on the back of a transport vehicle | |
| EP0000295B1 (en) | Lift truck | |
| CH338142A (en) | Self-propelled industrial trolley | |
| EP0480817B1 (en) | Industrial truck with platform and increased stability | |
| FR2646391A1 (en) | AUTONOMOUS PALLET WITH REMOVABLE WHEELS FOR THE TRANSPORT OF LOADS | |
| FR2540479A1 (en) | Stabilised pallet loading fork lift truck | |
| FR2716878A1 (en) | Handling cart with stabilizing wheels. | |
| CH664146A5 (en) | Hand propelled trolley - has fork lift mounted on sliding frame actuated by electrically-driven screwed spindles | |
| FR2715150A1 (en) | Forklift. | |
| FR2607076A1 (en) | Vehicle, especially handling trolley | |
| FR2472498A1 (en) | Trolley for handling loads - has frame resting on two wheels and roller tilted to rest also on third wheel | |
| CH398457A (en) | Vehicle loading device | |
| FR2873978A1 (en) | TRAILER FOR TRANSPORT OF GEAR | |
| FR2680773A1 (en) | HANDLING TROLLEY, THE STABILITY OF WHICH IS ENHANCED BY ISOSTATIC BREAKDOWN OF LOADS. | |
| FR2872475A1 (en) | Rolling cargo carrier support for e.g. office, has guiding wheel applied on ground using spring to ensure linear guiding, and directly acting on casters using contact rings of braking rod to block pivoting and rotation of casters | |
| FR2582593A1 (en) | Device for locking the suspension of a vehicle, especially in order to improve its transverse stability | |
| FR2570655A1 (en) | Vehicle, in particular a handling truck | |
| FR2690123A1 (en) | Motorised trolley for pallets steered by pedestrian at side - has central driven and steered wheel with two side castering wheels under a central unit with rollers under the fork ends | |
| FR2482938A1 (en) | Carrying and lifting trolley - has two wheels and swivelling roller lifting platform manually and lever operated | |
| FR2929221A1 (en) | HANDLING TROLLEY GUIDED BY A TIMON | |
| FR2796890A1 (en) | LIFT TRUCK WITH LOW LIFTING HEIGHT DRIVEN BY AN ELECTRIC MOTOR | |
| CH692147A5 (en) | Fork-lift trolley or truck has pairs of adjustable rollers on ends of forks to compensate for slope of ramps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |