Master cylinder with caging means to secure return spring limiti

Details Master cylinder with caging means to secure return spring limiti Master cylinder with caging means to secure return spring limiti

1992-12-08

1994-01-18

Bertsch, Richard A.

Power plants

Pressure fluid source and motor

Pulsator

60568, B60T 1120, B60T 1716

Patent

active

052791254

ABSTRACT:
Structure for caging a return spring of a master cylinder to define limits for an operational chamber. The structure includes a first cylindrical member which engages a first piston and a second cylindrical member which engages a second piston with the return spring being located between the first and second cylindrical members. A stud which has an irregular shaped end member is retained in a groove in the second piston by the second cylindrical member and mated with a head member to define the limits for the return spring between the first and second cylindrical members and correspondingly the maximum size of the chamber within a bore of a master cylinder.

REFERENCES:
patent: 4939901 (1990-07-01), Saalbach et al.
patent: 5161375 (1992-11-01), Crumb et al.
patent: 5179834 (1993-01-01), Rauschenbach
patent: 5207062 (1993-05-01), Wilson et al.
patent: 5214917 (1993-06-01), Crumb et al.

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