Master cylinder comprising a seal and an associated groove...

Details Master cylinder comprising a seal and an associated groove... Master cylinder comprising a seal and an associated groove...

2011-05-03

2011-05-03

Lazo, Thomas E (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

Reexamination Certificate

active

07934378

ABSTRACT:
Brake master cylinder (10) for a motor vehicle, of the type which comprises a substantially axial body (12) inside a bore (14) of which at least one axial piston is slideably mounted, of the type in which the bore (14) comprises two seals, front (30, 34) and rear, interposed between the piston and the bore (14), the seals (30, 34) comprising three radially concentric lips accommodated in grooves (70, 72) in the bore (14), characterized in that the seals (30, 34) comprise central lips of reduced cross section.

REFERENCES:
patent: 6978614 (2005-12-01), Bourlon et al.
patent: 7401468 (2008-07-01), Mouri et al.
patent: 2004/0128995 (2004-07-01), Bacardit et al.
patent: 1479582 (2004-11-01), None
FR0703642 Search Report and Written Opinion.

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