Gas actuating device with an exhaust passage that prevents conta

Details Gas actuating device with an exhaust passage that prevents conta Gas actuating device with an exhaust passage that prevents conta

1999-03-11

2000-10-24

Lorence, Richard M.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including belt shiftable axially from one to another surface...

474104, 474110, 91433, 91442, F16H 722, F15B 1108

Patent

active

061359068

ABSTRACT:
A gas actuating device includes a housing having a gas applying chamber, an actuator chamber and a gas applying passage for communicating gas from the gas applying chamber to the actuator chamber. An actuating member having a first side and a second side is disposed in the actuator chamber, wherein the first side of the actuating member receives gas pressure from gas applied to the actuating chamber from the gas applying passage. The actuating member moves in a first direction in response to the gas pressure applied to the first side of the actuating member. A valve selectively communicates compressed gas from the gas applying chamber to the actuator chamber through the gas applying passage for moving the actuating member in the first direction, and a gas release passage communicates gas from the actuator chamber at the first side of the actuating member to an outside of the actuator chamber.

REFERENCES:
patent: 2640368 (1953-06-01), Schjolin
patent: 3742777 (1973-07-01), Mathauser
patent: 4352503 (1982-10-01), Cotter
patent: 4938324 (1990-07-01), Van Dyke
patent: 5890979 (1999-04-01), Wendler
U.S. application No. 08/846,265, "Gas Actuated Transmission For A Bicycle," filed Apr. 29, 1997.

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