1
Leslie W Sebelle: Variable exercise apparatus. Schapp and Hatch, August 5, 1986: US04603855 (115 worldwide citation)

An exercise apparatus having cables pullable against varying resistance along one or more horizontal arms adjustable as to height, length and as to the angle of the arms to each other and to the frame of the apparatus, the arms being telescoping for positioning the distal ends of the arms at any des ...


2
Gary Lawrence Johnston: Variable exercise apparatus. September 5, 2006: US07101329

A variable exercise apparatus comprises a frame structure member a user support member having a seat, and a user engagement member. The back end of the user engagement member is pivotally mounted to the frame structure member. An engagement assembly is mounted to the front end of the user engagement ...


3
Gary Lawrence Johnston: Variable exercise apparatus. Gary Johnston, March 4, 2004: US20040043880-A1

A variable exercise apparatus is provided which enables the user to exercise lower body muscle groups. The apparatus includes a frame structure means, a user support means having a seat, and a user engagement means. The back end of the user engagement means is pivotally mounted to the frame structur ...