Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Reexamination Certificate
2011-03-29
2011-03-29
Williams, Thomas J (Department: 3657)
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
C188S297000, C188S318000, C267S064260, C267S225000
Reexamination Certificate
active
07913823
ABSTRACT:
In a front fork in which a partition wall member is provided in an inner periphery of an inner tube, a working fluid chamber is comparted under the partition wall member and an oil reservoir chamber is comparted over the partition wall member, a main suspension spring is interposed between an upper spring bearing in a piston rod side attached to an outer tube side and a lower spring bearing in a bottom portion side of the inner tube, within the working fluid chamber of the inner tube, and a sub suspension spring is interposed between an upper spring bearing in an upper end portion side of the outer tube side and a lower spring bearing in the partition wall member provided in an inner periphery of the inner tube, within the oil reservoir chamber of the inner tube.
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Babcock IP , PLLC
Showa Corporation
Williams Thomas J
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