FR2573372A1 - Improvements to the mounting of retractable runways in transport vehicles - Google Patents
Improvements to the mounting of retractable runways in transport vehicles Download PDFInfo
- Publication number
- FR2573372A1 FR2573372A1 FR8417606A FR8417606A FR2573372A1 FR 2573372 A1 FR2573372 A1 FR 2573372A1 FR 8417606 A FR8417606 A FR 8417606A FR 8417606 A FR8417606 A FR 8417606A FR 2573372 A1 FR2573372 A1 FR 2573372A1
- Authority
- FR
- France
- Prior art keywords
- section
- rollers
- wings
- mounting
- wing
- 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
- 239000011324 bead Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
- B65G13/11—Roller frames
- B65G13/12—Roller frames adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/52—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using rollers in the load-transporting element
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
Description
La présente invention vise les véhicules de transport présentant sur le plancher des chemins de roulement facilitant la mise en place de palettes et plus particulièrement des palettes utilisées dans les transports aériens. The present invention relates to transport vehicles having on the floor running tracks facilitating the introduction of pallets and more particularly pallets used in air transport.
On connait de telles installations qui comprennent dans le plancher du véhicule des logements longitudinaux dans lesquels sont posés des profiles a section en U dont les branches supportent les axes de rouleaux régulièrement espacés, les profilés reposant sur un boudin creux déformable relié a une source d'air comprimé, les logements étant masqués par une tôle perforée a travers les ouvertures de laquelle peuvent saillir les rouleaux. Lorsque le boudin n'est pas gonflé, les rouleaux sont escamotés, tandis que lorsque ledit boudin est gonflé les rouleaux sont en saillie a la surface du plancher et permettent de faire rouler sur celui-ci des charges telles que des palettes. Such installations are known which comprise, in the floor of the vehicle, longitudinal housings in which are laid U-section sections whose branches support the regularly spaced roller axes, the profiles resting on a deformable hollow tube connected to a source of compressed air, the housings being masked by a perforated sheet through the openings which can project the rollers. When the bead is not inflated, the rollers are retracted, whereas when said bead is inflated the rollers are projecting to the surface of the floor and allow to roll on it loads such as pallets.
De telles installations présentent un certain nombre d'inconvénients. Le montage est complexe, le montage pour vérifier le bon etat du boudin s'avère long et complique et par conséquent cher. De plus, il arrive souvent que des poussières, debris etc. traversent les trous de la tôle perforée et bloquent les profilés en U dans leur logement, le nettoyage s' avérant difficile, puisqu'il necessite le demontage des tôles perforées. Such installations have a number of disadvantages. The assembly is complex, the assembly to check the good state of the coil is long and complicated and therefore expensive. In addition, it often happens that dust, debris etc. through the holes of the perforated plate and block the U-shaped profiles in their housing, the cleaning is difficult, since it requires the disassembly of the perforated sheets.
L'un des buts de la présente invention est de remédier a ces divers inconvénients. One of the aims of the present invention is to overcome these various disadvantages.
Les perfectionnements, selon l'invention, visent des chemins de roulement escamotables pour véhicules de transport presentant un plancher destiné à supporter des charges a transporter, de préférence arrimées sur des palettes, lesdits chemins de roulement comprenant une serie de logements longitudinaux parallèles dans le fond de chacun desquels est dispose un boudin en matiere souple relie à une source d'air comprimé et sur lequel repose un support sur lequel sont montes fous des galets, lesdits perfectionnements étant caractérisés en ce que le chemin de roulement comprend un premier profilé à section en U avec une âme et deux ailes et disposé renverse, l'extrémité libre de chaque aile étant prolongéepar un retour, les retours étant vissés dans le fond du logement, chaque aile du premier profile présentant des fentes verticales régu- lièrement espacées et un second profilé à section en U avec une âme et deux ailes et disposé retourné à l'intérieur du premier profilé de manière que les extrémités libres de ses ailes portent contre le fond du logement, le boudin s'étendant dans le second profilé, les galets étant montés fous aux deux extrémités d'une série d'axes disposes au droit des fentes verticales et soudés sur la surface externe de l'âme du second profile. The improvements, according to the invention, aim at retractable raceways for transport vehicles having a floor for supporting loads to be transported, preferably stowed on pallets, said raceways comprising a series of parallel longitudinal housings in the bottom each of which is provided with a bolster of flexible material connected to a source of compressed air and on which a support is mounted on which are mounted idle rollers, said improvements being characterized in that the raceway comprises a first section section of U with a soul and two wings and overturned, the free end of each wing being extended by a return, the returns being screwed into the bottom of the housing, each wing of the first profile having vertical slots regularly spaced and a second section U-section with a soul and two wings and disposed returned inside the p first profile so that the free ends of its wings bear against the bottom of the housing, the flange extending into the second section, the rollers being mounted idle at both ends of a series of axes disposed in line with the vertical slots and welded to the outer surface of the core of the second profile.
Grâce à une telle structure, on réalise un chemin de roulement très simple, bon marché et d'un fonctionnement sQr, le montage et le démontage étant très rapides. De plus, les galets sont visibles et accessibles de l'extérieur ce qui permet de nettoyer facilement la rainure dans laquelle ils se déplacent. Enfin, comme les galets sont disposés par paire sur chaque axe, on peut sur une surface de plancher de véhicule réduire le nombre de chemins de roulement. Thanks to such a structure, a very simple, inexpensive and sQr running track is produced, the assembly and disassembly being very fast. In addition, the rollers are visible and accessible from the outside which makes it easy to clean the groove in which they move. Finally, as the rollers are arranged in pairs on each axis, it is possible on a vehicle floor area to reduce the number of raceways.
Afin de faciliter le montage et le démontage even- tuel des chemins de roulement, les retours des ailes du premier profilé comportent au droit des fentes des ouvertures d'une dimension supérieure au diamètre des galets. In order to facilitate the eventual assembly and disassembly of the raceways, the returns of the wings of the first profile comprise, at the right of the slots, openings of a size greater than the diameter of the rollers.
Dans certains cas, les véhicules peuvent transporter des palettes planes sur lesquelles sont assujetties des charges, tandis que, dans d'autres cas, ils peuvent recevoir des palettes bois avec des madriers en saillie à leur extremite inférieure. Dans ce dernier cas afin d'éviter que les madriers ne viennent se loger entre deux rouleaux voisins, on a prevu dans la technique anterieure de rapprocher les rouleaux les uns des autres, ce qui, bien entendu conduit à augmenter le prix de revient de l'installation.Une caractéristique importante de l'invention, permet d'éviter le coincement des palettes bois sans augmenter le nombre de
Suivant cette caractéristique, les fentes verticales des ailes du premier profilé sont décalées longitudinalement d'une aile a l'autre et les axes supportant à chaque extrémité fou un galet présentent deux extrémités parallèles sur lesquelles tournent les galets relies par une partie qui forme avec chaque extrémité un coude.In some cases, the vehicles may carry flat pallets on which loads are subject, while in other cases they may receive wooden pallets with projecting planks at their lower end. In the latter case, in order to prevent the beams from being lodged between two adjacent rollers, the prior art has been used to bring the rollers closer to each other, which, of course, leads to an increase in the cost price of the rollers. An important feature of the invention is to avoid jamming wooden pallets without increasing the number of
According to this feature, the vertical slots of the wings of the first profile are offset longitudinally from one wing to the other and the axes supporting at each end a roller have two parallel ends on which the rollers connected by a part which form with each end an elbow.
Ainsi, on peut disposer les galets de manière que chaque galet situé d'un côté du premier profile soit situé sensiblement entre les axes de deux galets disposés de l'autre côté dudit premier profile, la distance séparant les axes de deux galets d'un même axe étant inférieure à la section d'un madrier d'une palette. Thus, it is possible to arrange the rollers so that each roller located on one side of the first profile is located substantially between the axes of two rollers disposed on the other side of said first profile, the distance separating the axes of two rollers from one same axis being smaller than the section of a plank of a pallet.
L'invention va maintenant être décrite avec plus de détails en se référant à des modes de réalisation particuliers donnes à titre d'exemple seulement et représentés aux dessins annexés, dans lesquels
Figure 1 est une vue en perspective montrant un chemin de roulement selon l'invention,
Figure 2 est une vue en coupe suivant la ligne
II-II de la figure 1,
Figure 3 est une vue en coupe correspondant à la figure 2, les galets étant en position de service,
Figure 4 est une vue en plan d'une variante de realisation,
Figure 5 est une vue en perspective de la variante de la figure 4.The invention will now be described in more detail with reference to particular embodiments given by way of example only and represented in the accompanying drawings, in which:
Figure 1 is a perspective view showing a raceway according to the invention,
Figure 2 is a sectional view along the line
II-II of Figure 1,
Figure 3 is a sectional view corresponding to Figure 2, the rollers being in the service position,
Figure 4 is a plan view of an alternative embodiment,
Figure 5 is a perspective view of the variant of Figure 4.
Dans le plancher du véhicule sont disposés des profiles en U 1 qui présentent une âme la deux ailes lb et lc et deux retours ld et le, ces profilés constituant des logements pour les ensembles de roulement escamotables. In the floor of the vehicle are U-shaped profiles 1 which have a soul the two wings lb and lc and two returns ld and the, these sections forming housing for the retractable bearing assemblies.
Dans les profilés 1 sont disposés des profiles en U 2 présentant une ame 2a, deux ailes 2b et- 2c et deux retours 2d et 2e, les retours etant fixes par des-vis 3 vissées dans des écrous prisonniers 4 prévus sur l'âme la. In the profiles 1 are arranged U-shaped profiles 2 having a core 2a, two wings 2b and 2c and two returns 2d and 2e, the returns being fixed by screws 3 screwed into captive nuts 4 provided on the soul the .
Les ailes 2c et 2b presentent régulièrement es pacées des fentes 5, chaque fente 5 d'une ai-le 2b étant ali gnee avec une fente 5 de l'aile 2c. The wings 2c and 2b regularly have paces of the slots 5, each slot 5 of a ai-2b ali gnee with a slot 5 of the wing 2c.
Les fentes 5 s'étendent depuis l'amie 2a jusqu'au bord inférieur des ailes 2b et 2c, tandis que les retours 2d et 2e présentent au droit des fentes 5 de larges ouvertures 7;
Chaque fente 5 de l'aile 2b et la fente 5 correspondante de l'aile 2c sont traversees par un axe 8 à chaque extrémite duquel est monte fou un galet 9.The slots 5 extend from the friend 2a to the lower edge of the wings 2b and 2c, while the returns 2d and 2e have the right slot 5 wide openings 7;
Each slot 5 of the wing 2b and the corresponding slot 5 of the wing 2c are traversed by an axis 8 at each end of which is mounted fou a roller 9.
Les axes 8 sont soudés sur l'ame 10a d'un profilé 10 dont les ailes 10b et 10c repose sur l'âme la dru profilé 1. The axes 8 are welded to the core 10a of a profile 10 whose wings 10b and 10c rests on the core dru profiled 1.
Dans le profilé 10 est loge un boudin 11 en ma tierce souple et élastique et qui est relie en au moins un point intermédiaire de sa longueur à une source diapir comprime. In the section 10 is housed a bead 11 in my third flexible and elastic and which is connected in at least one intermediate point of its length to a compressed diapir source.
On conçoit (voir figure 3) que lorsque de l'air comprime est envoyé dans le boudin 11, celui-ci en coopérant avec l'âme 10a du profilé 10 commandera le déplacement vers le haut dudit profilé 10 et par conséquent les axes 8 jusqu'à ce que ceux-ci viennent buter contre l'âme 2a du profile 2. It is conceivable (see FIG. 3) that when compressed air is sent into the flange 11, this latter cooperating with the core 10a of the profile 10 will control the upward displacement of said profile 10 and consequently the axes 8 until that they abut against the soul 2a of the profile 2.
Dans cette position les galets 9 feront saillie à la surface du plancher et permettront le deplacement de palettes sur ledit plancher. Lorsque le véhicule sera chargé ou déchargé, on mettra le boudin 11 à l'air libre de sorte que les galets 9 s escamoteront (voir figure 2).In this position the rollers 9 will protrude from the surface of the floor and allow the movement of pallets on said floor. When the vehicle is loaded or unloaded, it will put the rod 11 in the open air so that the rollers 9 s will retract (see Figure 2).
On conçoit que le montage, selon l'invention est très simple. Les galets 9 peuvent être étroits afin que les fentes laissées libres entre les ailes lb et 2c et lc et 2b soient également étroites. Comme ces fentes sont libres, on peut facilement les nettoyer ou simplement aspirer les pous sières avec un aspirateur. It is understood that the assembly according to the invention is very simple. The rollers 9 can be narrow so that the slots left free between the wings 1b and 2c and 1c and 2b are also narrow. As these slots are free, they can easily be cleaned or simply vacuum the dust with a vacuum cleaner.
Les ouvertures 7 ont une largeur qui correspond au diamètre des galets 9 de sorte que le montage est très rapide. The openings 7 have a width which corresponds to the diameter of the rollers 9 so that the assembly is very fast.
Egalement le démontage pour verifier le boudin 11 et éventuellement le remplacer est très simple puisqu'il suffit de démonter les vis 3 pour pouvoir retirer le profile 2 et le profilé 10. Also disassembly to verify the flange 11 and possibly replace it is very simple since it suffices to remove the screws 3 to be able to remove the profile 2 and the profile 10.
Dans certains cas le véhicule peut être chargé avec des palettes bois qui présentent a leur partie inférieure trois madriers en saillie. Pour que de telles palettes puissent être déplacées sur les chemins de roulement, il faut que l'intervalle entre les galets soit inférieur à la section d'un madrier ce qui oblige à rapprocher les gal-ets et ainsi à en prevoir un nombre beaucoup plus important ce qui augmente le prix de l'installation. In some cases the vehicle can be loaded with wooden pallets which have at their bottom three projecting planks. For such pallets can be moved on the raceways, it is necessary that the interval between the rollers is less than the section of a plank which requires to bring the gal-ets and thus to predict a much more important which increases the price of the installation.
L'invention permet (voir figures 4 et 5) de prevoir une réalisation dans laquelle il n'est pas nécessaire d'augmenter le nombre de galets. The invention allows (see FIGS. 4 and 5) to provide an embodiment in which it is not necessary to increase the number of rollers.
Comme on le voit aux figures 4 et 5 les profiles 2 présentent dans leur aile 2b des fentes 5a regu lièrement espacees, tandis que les ailes 2e présentent des fentes 5b qui sont décalées longitudinalement. Les axes 8a reliant les galets 9a sont ainsi coudés et la distance reliant deux galets 9a montes sur un même axe est inférieure à la section des madriers des palettes, de sorte que quelle que soit la position de celles-ci elles seront toujours supportées par les galets 9a. As seen in Figures 4 and 5 the profiles 2 have in their flange 2b slots 5a regu larly spaced, while the wings 2e have slots 5b which are offset longitudinally. The axes 8a connecting the rollers 9a are thus bent and the distance connecting two rollers 9a mounted on the same axis is smaller than the section of the planks of the pallets, so that whatever the position of these they will always be supported by the rollers 9a.
Bien entendu, l'invention n'est pas limite aux modes de réalisation qui viennent d'être décrits et représen- tés. On pourra y apporter de nombreuses modifications de détail sans sortir pour cela du cadre de l'invention. Of course, the invention is not limited to the embodiments which have just been described and shown. It will be possible to make many changes in detail without departing from the scope of the invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8417606A FR2573372B1 (en) | 1984-11-19 | 1984-11-19 | IMPROVEMENTS IN MOUNTING RETRACTABLE TRAILS IN TRANSPORT VEHICLES |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8417606A FR2573372B1 (en) | 1984-11-19 | 1984-11-19 | IMPROVEMENTS IN MOUNTING RETRACTABLE TRAILS IN TRANSPORT VEHICLES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2573372A1 true FR2573372A1 (en) | 1986-05-23 |
| FR2573372B1 FR2573372B1 (en) | 1987-02-06 |
Family
ID=9309723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8417606A Expired FR2573372B1 (en) | 1984-11-19 | 1984-11-19 | IMPROVEMENTS IN MOUNTING RETRACTABLE TRAILS IN TRANSPORT VEHICLES |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2573372B1 (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0214669A3 (en) * | 1985-09-11 | 1987-10-21 | Robert Nestler Wellpappenfabrik GmbH & Co.KG | Parcels-carrying device |
| US4732265A (en) * | 1985-04-15 | 1988-03-22 | Interroll Fordertechnik Gmbh & Co Kg | Apparatus for the accumulating conveying of goods |
| WO1988002732A1 (en) * | 1986-10-15 | 1988-04-21 | Eduard Giovanett | Loading device |
| EP0300128A1 (en) * | 1987-07-21 | 1989-01-25 | Bavaria Avionik Technologie GmbH | Roller conveyor track |
| US4887937A (en) * | 1987-02-24 | 1989-12-19 | Talson Transport Engineering B.V. | Load carrying floor |
| FR2633231A1 (en) * | 1988-06-28 | 1989-12-29 | Peugeot | Vehicle for transporting and unloading goods |
| US5140716A (en) * | 1991-01-31 | 1992-08-25 | Mcdonnell Douglas Corporation | Cargo rail system for an aircraft |
| US5184366A (en) * | 1991-01-31 | 1993-02-09 | Mcdonnell Douglas Corporation | Aircraft cargo handling system |
| US5467827A (en) * | 1993-09-20 | 1995-11-21 | Mcloughlin; John E. | Modular fire truck |
| EP0887224A3 (en) * | 1997-06-25 | 2000-02-23 | Hydraroll Limited | A support |
| US6585473B2 (en) * | 2001-07-20 | 2003-07-01 | Joloda (International) Limited | Mechanical handling apparatus |
| FR2930210A1 (en) * | 2008-04-17 | 2009-10-23 | Alain Margery | Load e.g. container containing commodity product, transferring device for e.g. road trailer, has front and median load carrying chariots, where each chariot consists of two distinguished elements, which are integrated with each other |
| EP2460687A1 (en) * | 2010-12-06 | 2012-06-06 | Blackrock Engineering Limited | Mechanical handling apparatus |
| US20140205404A1 (en) * | 2013-01-22 | 2014-07-24 | GM Global Technology Operations LLC | Half-tilt bed unloading system |
| WO2014209122A3 (en) * | 2013-06-29 | 2015-03-12 | Ack Ip B.V. | Roller conveyor |
| DE112017006901B4 (en) | 2017-01-24 | 2023-03-02 | Zhejiang Topsun Logistic Control Co., Ltd. | An auxiliary transfer mechanism for goods in freight cars |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853230A (en) * | 1971-07-29 | 1974-12-10 | G Schultz | Loader/unloader conveyor system |
| CH568910A5 (en) * | 1973-02-22 | 1975-11-14 | Japan National Railway | |
| EP0002106A1 (en) * | 1977-10-14 | 1979-05-30 | Hydraroll Limited | Load handling apparatus with liftable rollers, and floor equipped therewith |
| FR2480715A1 (en) * | 1980-04-17 | 1981-10-23 | Retoret Jean Pierre | Track fitted with load bearing rollers - is carried on restrained inflated bags having variable pressure to adjust roller bearing position |
| WO1983000680A1 (en) * | 1981-08-27 | 1983-03-03 | Cook, Kenneth | Mechanical handling apparatus |
-
1984
- 1984-11-19 FR FR8417606A patent/FR2573372B1/en not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853230A (en) * | 1971-07-29 | 1974-12-10 | G Schultz | Loader/unloader conveyor system |
| CH568910A5 (en) * | 1973-02-22 | 1975-11-14 | Japan National Railway | |
| EP0002106A1 (en) * | 1977-10-14 | 1979-05-30 | Hydraroll Limited | Load handling apparatus with liftable rollers, and floor equipped therewith |
| FR2480715A1 (en) * | 1980-04-17 | 1981-10-23 | Retoret Jean Pierre | Track fitted with load bearing rollers - is carried on restrained inflated bags having variable pressure to adjust roller bearing position |
| WO1983000680A1 (en) * | 1981-08-27 | 1983-03-03 | Cook, Kenneth | Mechanical handling apparatus |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732265A (en) * | 1985-04-15 | 1988-03-22 | Interroll Fordertechnik Gmbh & Co Kg | Apparatus for the accumulating conveying of goods |
| EP0214669A3 (en) * | 1985-09-11 | 1987-10-21 | Robert Nestler Wellpappenfabrik GmbH & Co.KG | Parcels-carrying device |
| WO1988002732A1 (en) * | 1986-10-15 | 1988-04-21 | Eduard Giovanett | Loading device |
| US4887937A (en) * | 1987-02-24 | 1989-12-19 | Talson Transport Engineering B.V. | Load carrying floor |
| EP0300128A1 (en) * | 1987-07-21 | 1989-01-25 | Bavaria Avionik Technologie GmbH | Roller conveyor track |
| FR2633231A1 (en) * | 1988-06-28 | 1989-12-29 | Peugeot | Vehicle for transporting and unloading goods |
| US5140716A (en) * | 1991-01-31 | 1992-08-25 | Mcdonnell Douglas Corporation | Cargo rail system for an aircraft |
| US5184366A (en) * | 1991-01-31 | 1993-02-09 | Mcdonnell Douglas Corporation | Aircraft cargo handling system |
| US5467827A (en) * | 1993-09-20 | 1995-11-21 | Mcloughlin; John E. | Modular fire truck |
| EP0887224A3 (en) * | 1997-06-25 | 2000-02-23 | Hydraroll Limited | A support |
| US6585473B2 (en) * | 2001-07-20 | 2003-07-01 | Joloda (International) Limited | Mechanical handling apparatus |
| FR2930210A1 (en) * | 2008-04-17 | 2009-10-23 | Alain Margery | Load e.g. container containing commodity product, transferring device for e.g. road trailer, has front and median load carrying chariots, where each chariot consists of two distinguished elements, which are integrated with each other |
| EP2460687A1 (en) * | 2010-12-06 | 2012-06-06 | Blackrock Engineering Limited | Mechanical handling apparatus |
| US20120141241A1 (en) * | 2010-12-06 | 2012-06-07 | Blackrock Engineering Limited | Mechanical Handling Apparatus |
| US20140205404A1 (en) * | 2013-01-22 | 2014-07-24 | GM Global Technology Operations LLC | Half-tilt bed unloading system |
| US9139121B2 (en) * | 2013-01-22 | 2015-09-22 | GM Global Technology Operations LLC | Half-tilt bed unloading system |
| WO2014209122A3 (en) * | 2013-06-29 | 2015-03-12 | Ack Ip B.V. | Roller conveyor |
| DE112017006901B4 (en) | 2017-01-24 | 2023-03-02 | Zhejiang Topsun Logistic Control Co., Ltd. | An auxiliary transfer mechanism for goods in freight cars |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2573372B1 (en) | 1987-02-06 |
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