Sealing bush, hydraulic unit, and check valve

Details Sealing bush, hydraulic unit, and check valve Sealing bush, hydraulic unit, and check valve

2005-09-16

2011-12-06

Rivell, John (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C285S332200, C285S238000, C277S626000

Reexamination Certificate

active

08069876

ABSTRACT:
There is disclosed a sealing bush as well as a hydraulic unit fitted with the sealing bush and a check valve. The sealing bush is made of plastic and has, on an end face, a preferably conical elevation that can be brought into sealing contact with a bearing shoulder.

REFERENCES:
patent: 2143399 (1939-01-01), Abercrombie
patent: 2745432 (1956-05-01), Williams
patent: 3099999 (1963-08-01), Vismara
patent: 4054157 (1977-10-01), Moseley, Jr.
patent: 4667700 (1987-05-01), Buzzi
patent: 5058859 (1991-10-01), Chen
patent: 5503438 (1996-04-01), Swauger
patent: 7008195 (2006-03-01), McGrath et al.
patent: 7070187 (2006-07-01), Boeve
patent: 1 900 352 (1969-09-01), None
patent: 33 33 086 (1985-03-01), None
patent: 43 01 004 (1994-07-01), None
patent: 197 39 904 (1999-03-01), None
patent: 103 16 230 (2004-09-01), None
patent: 0 268 520 (1988-05-01), None
patent: A-2001-504931 (2001-04-01), None
patent: A-2005-188652 (2005-07-01), None
“Check Valve Cartridge Type M-SR, Series 1X”, RE 20 395/12.95, Dec. 1995, Mannesmann Rexroth.
“Check Valve Sandwich Plate Type Z1S, Series 1X”, RE 21 523/10.95, Oct. 1995, Mannesmann Rexroth.
Japanese Office Action issued in Japanese Patent Application No. 2007-531591 (with translation).

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