Power lift mechanism for mower deck

A - Human Necessities – 01 – D

Patent

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Details

A01D 34/74 (2006.01) A01D 67/00 (2006.01) F16H 15/02 (2006.01)

Patent

CA 2194595

A mower deck lift mechanism which includes a friction disk selectively pivotable into engagement with first and second pulleys of a double pulley jacksheave. A linkage coupled between the friction disk and the deck raises the mower deck when the friction disk engages and rotates with the first pulley, andlowers the deck when the friction disk engages and rotates with the second pulley. Neutral return mechanisms are provided for returning the friction disk to a neutral position when the operator releases a control and when the deck approaches its extreme raised or lowered positions. A cutting height preset mechanism is also provided.

Mécanisme de levage de châssis de tondeuse comprenant un disque d'embrayage pouvant pivoter de manière sélective en position de prise avec la première et la deuxième poulie d'une poulie double de levage. Une tringlerie accouplée entre le disque d'embrayage et le châssis lève le châssis de tondeuse lorsque le disque d'embrayage est en prise avec la première poulie et tourne avec elle, et abaisse le châssis de tondeuse lorsque le disque d'embrayage est en prise avec la deuxième poulie et tourne avec elle. Des mécanismes de rappel au point mort permettent de ramener le disque d'embrayage au point mort lorsque l'opérateur relâche une commande et lorsque le châssis arrive à ses positions extrêmes haute ou basse.

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