Clutch booster with overcenter means

Details Clutch booster with overcenter means Clutch booster with overcenter means

1987-11-05

1989-04-18

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

60594, 92 7, 92130R, F15B 300, F01B 3100

Patent

active

048215180

ABSTRACT:
A booster device for reducing the pedal force required to release the clutch on automotive vehicles. It is capable of either replacing the conventional clutch master cylinder (FIG. 4) or acting as an additional slave and master cylinder (FIGS. 1 to 3). An overcenter mechanism acts on the piston 4 intermediate its end to assist movement in opposite directions beyond a central point. To avoid unbalanced side loads, the overcenter mechanism includes two radially opposed spring (8) biased arms (5) the inner ends of which bear in cup-shaped recesses (6A) on opposite sides of a plug (6) sliding in a transverse bore through the piston (4).

REFERENCES:
patent: 344003 (1886-06-01), Morrison
patent: 1103020 (1914-07-01), Austin
patent: 2170240 (1939-08-01), Fitch
patent: 3769788 (1973-11-01), Korpek, III

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