Bicycle suspension system

Details Bicycle suspension system Bicycle suspension system

1997-03-13

1998-08-11

Johnson, Brian L.

Land vehicles

Wheeled

Occupant propelled type

2802811, 280283, 180227, B62K 2504

Patent

active

057916748

ABSTRACT:
A bicycle comprising: a frame comprising a down tube with a crank assembly coupled thereto; a front wheel; a front fork assembly for coupling the front wheel to the frame; a rear wheel; and a suspension assembly for coupling the rear wheel to the frame. The suspension assembly is comprised of a swing arm having a first end coupled to the rear wheel and a second end having a first connection point and an intermediate point between the first and second ends having a second connection point. The suspension assembly is further comprised of a first link coupled to the first connection point and to the frame and a second link coupled to the second connection point and to the frame, wherein the frame, the swing arm and the first and second links form an effective pivot point of the suspension assembly that is above the crank assembly and that moves in a forward direction when the rear wheel moves in an upward direction.

REFERENCES:
patent: 1010142 (1911-11-01), Horton
patent: 4463824 (1984-08-01), Boyesen
patent: 4671525 (1987-06-01), Ribi
patent: 5205572 (1993-04-01), Buell et al.
patent: 5226674 (1993-07-01), Buell et al.
patent: 5332246 (1994-07-01), Buell
patent: 5452910 (1995-09-01), Harris
patent: 5553881 (1996-09-01), Klassen et al.

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