F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 61/38 (2006.01) B60K 20/00 (2006.01) B60K 23/00 (2006.01) B60K 23/04 (2006.01) B60K 26/00 (2006.01)
Patent
CA 2114817
A hydrostatic transmission control mechanism includes a hand lever engagable by an operator, and a member to which the hand lever is directly mounted. The member is pivotally mounted to the vehicle and is operatively coupled with the transmission for adjusting the speed of the vehicle as the operator shifts the hand lever. The member includes a generally curved and concave cam surface which interacts with a neutral return cam follower to provide a relatively large effective lever arm extending between the member's pivot axis and the direction of force applied to the cam surface by the cam follower when the member is in positions corresponding to high vehicle velocity, thereby allowing the member to be pivoted back to its neutral position with only a relatively small force.
Mécanisme de commande de transmission hydrostatique, comprenant un levier à main manoeuvrable par un opérateur, et un élément sur lequel est fixé directement le levier à main. L'élément est fixé au véhicule à l'aide d'un pivot et est couplé à la transmission, ce qui permet à l'opérateur de modifier la vitesse du véhicule en changeant la position du levier à main. L'élément comprend une surface de came généralement courbée et concave qui interagit avec un galet suiveur de retour neutre pour fournir un important bras de levier efficace entre l'axe de pivot de l'élément et la direction de la force exercée sur la surface de came par le galet suiveur lorsque l'élément se trouve dans des positions correspondant à une vitesse élevée du véhicule, ce qui permet ainsi à l'opérateur de ramener l'élément en position neutre en exerçant une force relativement peu élevée.
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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