Hand trolley with winch operated lifting carriage

Details Hand trolley with winch operated lifting carriage Hand trolley with winch operated lifting carriage

B - Operations, Transporting

62

B

B62B 1/06 (2006.01) B62B 1/10 (2006.01) B62B 1/14 (2006.01) B66F 9/00 (2006.01) B66F 9/02 (2006.01) B66F 9/06 (2006.01)

Patent

CA 2477518

A hand trolley (1) of the type having a chassis formed from side frames comprising parallel frame members (6, 7), wheels (4) and a base platform (5), provided with a load lifting carriage (9) having a lifting surface (12). The carriage (9) can be raised from a low position on the base platform (5) to an elevated position by operating a hand cranked winch (20) with a crank handle (21) rotatable about an axle (22) located proximate to a hand grip on the chassis rails and parallel to the axis of the wheels (4). The positioning and orientation of the crank handle (21) allows correct ergonomic use by an operator (24) who can grip the trolley chassis with one hand (25) while controlling and operating the crank handle (21) in an ergonomically sound position.

Cette invention concerne un chariot à main (1) comportant un châssis composé de structures latérales comprenant des éléments structurels (6, 7) parallèles, des roues (4) et une plate-forme de base (5) équipée d'un tablier (9) élévateur de charge comportant une surface de levage (12). Ce tablier (9) peut passer d'une position basse sur la plate-forme de base (5) à une position surélevée par l'actionnement d'un treuil (20) à manivelle doté d'une manivelle (21) pouvant tourner autour d'un axe (22) situé à proximité d'une poignée sur les longerons de châssis et parallèle à l'axe des roues (4). Le positionnement et l'orientation de la manivelle (21) permet une bonne utilisation ergonomique par un opérateur (24) qui peut tenir le châssis du chariot d'une seule main (25) tout en commandant et en actionnant la manivelle (21) dans une position ergonomiquement correcte.

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