192 clutches and power-stop control – Clutches – Operators
Patent
1990-02-05
1991-08-13
Lorence, Richard
192 clutches and power-stop control
Clutches
Operators
74512, 74518, F16D 2312, G05G 114, G60K 2302
Patent
active
050389076
ABSTRACT:
An operating boosting device for a clutch of a motor vehicle having a pedal under the influence of a prestressed boosting tension spring, which has one end pivotably connected to a fixed point on the vehicle and another end pivotally connected to a pressure rod, which is connected to a lever arm of the pedal at a bearing point. The tension rod exercises a restoring force which holds the pedal in a clutch engaged position and when the clutch is operated and after a dead-center position of the pressure rod is exceeded, applies a force which assists a force of the driver's foot in disengaging the clutch. The pressure rod is pivotably held at the bearing point of the lever arm during each pedal position. The force of the boosting tension spring, in each pedal position, is applied along an action line that extends through the fixed point of the tension spring on the vehicle and through the bearing point of the pressure rod. As a result, after the dead-center position is exceeded, the boosting spring applies a steep rise of boost force to the pedal.
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Dr. h.c.F. Porsche AG
Lorence Richard
LandOfFree
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