Vehicle master cylinder

Power plants – Pressure fluid source and motor – Pulsator

Reexamination Certificate

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Details

C277S441000

Reexamination Certificate

active

07343741

ABSTRACT:
A master cylinder (1) having a bore (3) fitted with at least one piston (4, 5) and at least one seal (19, 20, 21, 22). The seal (19, 20, 21, 22) is partially stiffened by a reinforcement member (25). In order to retain the piston (4,5) in the bore (3) a groove (31) is located on a circumference of the piston (4,5) against which the sealing member (25) bears with the piston (4,5) in a rest position to retain the piston (4,5) in bore (3).

REFERENCES:
patent: 4945728 (1990-08-01), Coleman
patent: 5163692 (1992-11-01), Schofield et al.

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