Patent ID: 6139039
Filing Date: 2000-10-31
Classification: B62J

Abstract:
A shock-absorbing bicycle seat support for mounting to a bicycle frame, comprising:a) beam means extending longitudinally of said frame and being pivotably connected at a first end thereof to said frame and being supportable of a seat for a rider; andb) an adjustable-length gas spring pivotably connected at a first end thereof to said beam means and at a second end thereof to said frame and including remote adjusting means for changing the length of said gas spring to change the height of said seat while said bicycle is in motion and said rider is seated upon said seat, said means for changing including valve actuating means connected to said gas spring andwherein said frame for mounting said seat support further comprises a fork-supporting tube and said beam means is pivotably connected to said frame at the rear of said tube, and said beam means further includes a control rod and a seat-supporting post extension wherein said control rod is pivotably connected at a first end thereof to said frame at the rear of said tube and at a second end thereof to said post extension to form a parallelogram articulation wherein all four corners of said parallelogram are pivotable for maintaining a constant angular attitude of said seat with respect to said bicycle at all seat heights.