Brakes – Internal-resistance motion retarder – Valve structure or location
Reexamination Certificate
2007-11-06
2007-11-06
Burch, Melody M. (Department: 3683)
Brakes
Internal-resistance motion retarder
Valve structure or location
C188S282500, C188S313000
Reexamination Certificate
active
10738060
ABSTRACT:
In a front fork in a two-wheeled vehicle or motor vehicle, a partition wall member sectioning an oil reservoir chamber into upper end lower sides is provided in an upper portion of a hollow pipe. A center hole and an expansion and compression common flow passage are formed in the partition wall member. The expansion and compression common flow passage is provided with a deflection valve in a state of being supported in an inner periphery, and a check valve in a state of being supported in an outer periphery, in such a manner that an outer periphery of the deflection valve and an inner periphery of the check valve are at least partially overlapped. A first spring supporting the deflection valve in a back surface and a second spring supporting the check valve in a back surface are provided. A small gap is provided in the overlapping portion between the deflection valve and the check valve.
REFERENCES:
patent: 56147938 (1981-11-01), None
patent: 58-125749 (1983-08-01), None
patent: 60157496 (1985-10-01), None
patent: 2-122241 (1990-10-01), None
patent: 1059256 (1998-03-01), None
patent: 10-122290 (1998-05-01), None
patent: 2002-139089 (2002-05-01), None
Fujita Nobuaki
Sato Kimitoshi
LandOfFree
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