Static cup seal assembly for master cylinder end

Details Static cup seal assembly for master cylinder end Static cup seal assembly for master cylinder end

1986-02-21

1988-11-01

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

92168, 277152, 277212C, F16J 1518

Patent

active

047810246

ABSTRACT:
A master cylinder for use in automotive hydraulic brake device has a pressure liquid chamber formed at one side of the larger diameter portion of the piston and a supply liquid chamber formed between the other side of the large diameter portion of the piston and a ring-shaped cup seal. The inner lip of the ring-shaped cup seal is integrally formed at its distal end with an annular projection coming into contact with a cup seal locking member, which is inserted in the large diameter portion of the cylinder and serves to prevent a movement of the ring-shaped cup seal towards the supply liquid chamber, so that the deformation of the inner lip is restrained.

REFERENCES:
patent: 2660493 (1953-11-01), Flick
patent: 3175474 (1965-03-01), Eickmann
patent: 4060023 (1977-11-01), Vegella
patent: 4093313 (1978-06-01), Burckhardt
patent: 4472941 (1984-09-01), Schopper et al.
patent: 4481865 (1984-11-01), Becht et al.
patent: 4526089 (1985-07-01), Takeuchi
patent: 4601235 (1986-07-01), Roberts
patent: 4627332 (1986-12-01), Furuta et al.

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