US 6,669,603 B1 · Stationary exercise bicycle

Abstract

The invention is directed to a stationary bicycle which has load-providing components allowing for fine-tuned adjustment of the selected load. The load providing components are made of relatively simple mechanical components so as to increase the reliability, reduce the maintenance and provide a relatively smooth cycling feel. In addition, the invention is directed to a stationary bicycle which is manufactured using specific materials and processes so as to provide for a reliable product having a relatively long life cycle characterized by reliable functioning. Furthermore, the stationary bicycle of the invention comprises a design which allows for ergonomic fine tuning of the relative positioning between the various components thereof so as to provide ergonomic adjustments thereby reducing the risk of injury to the body of the individual and allowing for a more efficient workout.

Claims7

Dependent claims

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.

5 more elements

Dependencies are inferred from the claim text.

Stationary exercise bicycle

Life of this patent

Stationary exercise bicycle

Life of this patent

Abstract

Claims7