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1. WO1979000032 - LIFTING AND LOWERING DEVICE FOR TILTING A LOADING PLATFORM,PARTICULARLY FOR TRUCKS AND TRAILERS

Publication Number WO/1979/000032
Publication Date 25.01.1979
International Application No. PCT/CH1978/000004
International Filing Date 07.07.1978
IPC
B60P 1/20 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
1Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
04with a tipping movement of load supporting or containing element
16actuated by fluid-operated mechanisms
20with toothed gears, wheels, or sectors; with links, cams and rollers, or the like
CPC
B60P 1/20
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
1Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
04with a tipping movement of load-transporting element
16actuated by fluid-operated mechanisms
20with toothed gears, wheels, or sectors; with links, cams and rollers, or the like
Applicants
Inventors
Priority Data
8386/7707.07.1977CH
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(EN) LIFTING AND LOWERING DEVICE FOR TILTING A LOADING PLATFORM,PARTICULARLY FOR TRUCKS AND TRAILERS
(FR) DISPOSITIF DE LEVAGE ET D"ABAISSEMENT POUR BASCULER UNE PLATEFORME DE CHARGEMENT, NOTAMMENT POUR CAMIONS ET REMORQUES
Abstract
(EN)
A scissors-like tilting device, e.g., for use on trucks, has a lower lever, hinged to the body of the vehicle and an upper double-arm scissors-lever, hinged to the loading platform, and a hydraulic piston (1, 2) connected between the body of the vehicle and a shaft on the upper lever. The purpose is to obtain a wide tilting angle of the loading platform combined with a large initial lifting force, which has the possibility of exerting at any position of the loading platform a positive backward force on the platform. The solution consists in providing an angled end for the lower scissors-lever (3.3") and a special trapezoidal hinge connection between the scissors-levers (3.3", 4.4") that is formed by connecting links (5.5", 6.6") of different lengths. The arrangement also allows an especially low construction height of the tilting device in its initial position.
(FR)
Dispositif de basculement a articulation du type ciseaux, par exemple pour camions, comprend un levier inferieur, articule sur le vehicule et un levier superieur a double bras du type ciseaux, articule sur la plateforme de chargement, et un verin hydraulique (1, 2) dispose entre le vehicule et un axe sur le levier superieur. Le dispositif permet d"obtenir un angle d"inclinaison de la plateforme de chargement tres ouvert tout en conservant une force de levage initiale elevee, et offre la possibilite d"exercer sur la plateforme, quelle que soit sa position, une force de rappel positive. La solution consiste a donner a l"extremite du levier inferieur (3, 3") une forme angulaire et a articuler les leviers (3.3", 4.4") entre eux a l"aide d"une articulation trapezoidale forme par des bras de liaison (5.5", 6.6") de longueurs differentes. Cette disposition permet egalement de limiter considerablement l"encombrement vertical du dispositif dans sa position initiale.
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