Buffer device for transmission operating booster

Details Buffer device for transmission operating booster Buffer device for transmission operating booster

1997-02-11

1998-12-29

Bonck, Rodney H.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

277552, 18832216, F16H 914, F16J 1532

Patent

active

058529527

ABSTRACT:
A transmission operating apparatus includes a booster for increasing the transmission operating force, and a buffer device for suppressing rapid shift-changes caused by a change in the load due to the damper action of a hydraulic damper mechanism. A by-pass is incorporated into the buffer to permit working fluid to flow into damper chamber by-passing an orifice when necessary. A sealing member having a sealing portion is interposed in the by-pass to seal the by-pass under normal conditions but is resiliently deformed releasing the seal when the working fluid flows into the damper chamber.

REFERENCES:
patent: 4337956 (1982-07-01), Hopper
patent: 4483377 (1984-11-01), Cubalchini
patent: 4936156 (1990-06-01), Peterson et al.
patent: 5142927 (1992-09-01), Amedei et al.

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