Tandem type brake power servo booster

Details Tandem type brake power servo booster Tandem type brake power servo booster

1983-01-05

1985-04-23

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, 92 48, F15B 910, F01B 1900

Patent

active

045122377

ABSTRACT:
A tandem type brake power servo booster and toggle joint include a cylindrical member which has a first engaging portion for engaging a second engaging portion of a front power piston so that relative rotation between the cylindrical member and the front power piston can be prevented when a nut is tightened to secure the cylindrical member and the front power piston into position. In addition, a key member extends through a valve body and a hub of the cylindrical member to engage a valve plunger, and a surface of the key member which faces a push rod is spaced apart from the valve body to form a clearance between the valve body and the key member surface, thus providing the toggle joint with increased strength. In addition to the nut which serves as a stop, a second stop is formed on the hub so that the first and second stops integrally join the valve body and a center body of the cylindrical member with each other.

REFERENCES:
patent: 3083698 (1963-04-01), Price
patent: 3096689 (1963-07-01), Kytta
patent: 3517588 (1970-06-01), Kytta
patent: 3603208 (1971-09-01), Kytta
patent: 4257312 (1981-03-01), Ohmi et al.

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