Brakes – Internal-resistance motion retarder – Using a rotary-type fluid damper
Reexamination Certificate
2008-04-22
2009-10-20
Torres, Melanie (Department: 3657)
Brakes
Internal-resistance motion retarder
Using a rotary-type fluid damper
C188S322500
Reexamination Certificate
active
07604100
ABSTRACT:
A rotary damper includes a driven-to-rotate member having integrally a driven-to-rotate part for coupling to a drive member and a first inner cylindrical wall, the first inner cylindrical wall including a locking part at a bottom end of the first inner cylindrical wall; a fixed support member for holding the driven-to-rotate member so as to rotate freely; a receiving part formed between the fixed support member and the driven-to-rotate member; and a seal member for sealing an outer perimeter of the receiving part so that the driven-to-rotate member and the fixed support member are capable of relative rotation. A viscous fluid is provided inside the receiving part for damping relative rotation between the driven-to-rotate member and the fixed support member.
Hayashi Ken
Okabayashi Shunsuke
Kanesaka Manabu
Nifco Inc.
Torres Melanie
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