B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
B66D 1/04 (2006.01) B66D 3/14 (2006.01)
Patent
CA 2165258
A lever operated tool, such as a chain hoist, is provided with a free wheel mechanism allowing a lift wheel to be selectively disconnected relative to a driving gear in response to rotations of a manual control knob. The knob controls sliding movement of a driven gear mounted for rotation with the lift wheel between first and second positions in which it is engaged with and removed from engagement with the driving gear.
Cette invention concerne un outil commandé par levier, tel qu'un palan à chaîne, muni d'un mécanisme à roue libre permettant de débrayer à volonté la noix de levage du pignon d'entraînement en faisant tourner un bouton de commande manuel. Ce bouton commande le mouvement coulissant d'un pignon mené tournant avec la noix de levage entre une première et une seconde positions où il est dans un cas en prise avec le pignon d'entraînement et dans l'autre désaccouplé de celui-ci.
Columbus Mckinnon Corporation
Finlayson & Singlehurst
LandOfFree
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