Clutch booster with overcenter means
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United States of America Patent
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-
Apr 18, 1989
Grant Date -
N/A
app pub date -
Nov 5, 1987
filing date -
Nov 5, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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).
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