Patent ID: 6076845
Filing Date: 2000-06-20
Classification: B62K

Abstract:
A rear suspension bicycle comprising:a rear wheel with an axle;a frame including a seat tube and a down tube having a top and bottom ends;a pair of drop link members, one for either side of the rear wheel, each having a top attachment point and a bottom attachment point, and an axle attachment point for receiving said axle;a seat stay assembly having a front end and a rear end, and having a front pivot point adjacent the front end for pivotal attachment to the down tube defining a first pivot point, and a pair of rear pivot points, each for pivotal attachment to the top attachment point of one of said drop link members, forming together the second pivot point;a chain stay assembly having a front end and a rear end, and defining a fixed front attachment point at said front end, and a pair of rear pivot points at said rear end, said fixed front attachment point being adjacent to the bottom end of the seat tube, and said pair of rear pivot points each for pivotal attachment to the bottom attachment point of one of said drop link members, forming together the third pivot point; andwherein when said rear wheel is moved upwardly with respect to the frame, said axle traces a curvilinear axle path generally upwardly.