Brake booster comprising a valve plunger stop made of metal wire

Details Brake booster comprising a valve plunger stop made of metal wire Brake booster comprising a valve plunger stop made of metal wire

1986-08-12

1988-03-08

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, F15B 910

Patent

active

047292865

ABSTRACT:
The hub (2) of the booster piston of the brake booster, in which the valve plunger (5) slides, comprises two opposite radial cavities (18), the stop key (15) of the plunger being formed from metal wire and comprising two facing stop portions (16) which are joined by an intermediate arch (17) and which are each housed in a central housing portion (20) of the corresponding radial cavity, each stop portion (16) being extended by an end portion (26) which comes to bear against a corresponding bearing surface (23) of the radial cavity (18).

REFERENCES:
patent: 3688647 (1972-09-01), Kyita
patent: 4192220 (1980-03-01), Tateoka
patent: 4505058 (1985-03-01), Peterson
patent: 4633760 (1987-01-01), Wagner

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