Patent ID: 6669603
Filing Date: 2003-12-30
Classification: A63B

Abstract:
An adjustable exercise bicycle, comprising:(a) a frame, said frame supporting and attached to a seat, handlebars and a flywheel, also comprising pedals rotatably attached to said frame and operatively connected to said flywheel; (b) an adjustable abutment pad mechanically in contact with said flywheel; wherein said frame further comprises a rear support tube adapted to receive a seat tube, said seat tube slidably located in said rear support tube; a seat adjustment support component attached to said rear support tube at a rear support tube aperture; an abutment bushing, said abutment bushing comprising an upper head flange and a lower bushing shaft, said bushing adapted to be inserted inside said seat adjustment support component, wherein said flange prohibits said bushing from going through said rear tube aperture; and a quick-release lever having a handle and a threaded abutment pin, wherein said threaded pin is adapted to be threadedly inserted into said seat adjustment support component; wherein said seat tube may be vertically adjustably secured inside of said rear support tube by said lever and tightening said bushing.