Shock-absorbing device

Details Shock-absorbing device Shock-absorbing device

1999-04-15

2000-03-07

Schwartz, Chris

Spring devices

Seat support

Velocipede or motorcycle

267281, 267293, B62J 102

Patent

active

060329343

ABSTRACT:
A shock-absorbing device includes a first crank member, a buffering unit and a second crank member. The first crank member has a first hole formed therein. The buffering unit is inserted into the first hole, and has a cylindrical hollow outer wall, a cylindrical hollow inner wall coaxially mounted in the outer wall, an annular rubber cushion disposed between the inner and outer walls, and a shaft extending through and engaging the inner wall. The outer wall engaging the first crank member. The second crank member is connected to and is rotatable about and together with the shaft. The rubber cushion is deformed by the outer and inner walls in order to retard pivotal movement of the first crank member relative to the second crank member about the shaft.

REFERENCES:
patent: 4002327 (1977-01-01), Damon
patent: 4939950 (1990-07-01), Girvin
patent: 5241881 (1993-09-01), Chen
patent: 5263736 (1993-11-01), Stevens
patent: 5511444 (1996-04-01), Clausen et al.
patent: 5586780 (1996-12-01), Klein et al.
patent: 5671821 (1997-09-01), McGreen
patent: 5752711 (1998-05-01), Moreau

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