Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Patent
1997-02-20
1998-10-13
Butler, Douglas C.
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
18832111, 188129, 188381, 267 33, B60G 1300, F16F 310
Patent
active
058201149
ABSTRACT:
A shock absorber for a real wheel of a bicycle includes a body for connection to an axle of the wheel, a lower mounting member threadedly engaging around a circumferential periphery of the body, a first cushioning element made of urethane fixedly received in a cavity of the body, an upper mounting member for connection to a frame of the bicycle, a second cushioning element made of urethane mounted between the upper mounting member and the body, a rod having a top end fixedly connected to the upper mounting member and extending downwardly through the second and first cushioning elements, wherein the rod has an interference fit with the first and second cushioning elements, and a spring fixedly mounted between the upper and lower mounting members.
REFERENCES:
patent: 2010623 (1935-08-01), Bugatti
patent: 2265392 (1941-12-01), Olander
patent: 2705634 (1955-04-01), Sampson et al.
patent: 2844366 (1958-07-01), Butterfield
patent: 3332523 (1967-07-01), Chambers
patent: 3856285 (1974-12-01), Yamada
patent: 3889937 (1975-06-01), Statler
patent: 4415146 (1983-11-01), Sitko
patent: 4457497 (1984-07-01), Ojima
patent: 4613114 (1986-09-01), Paton
patent: 5257680 (1993-11-01), Corcoran et al.
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