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Exercise device for installation in a doorway

Image Number 4 for United States Patent #4861020.

A stationary exercise apparatus to be affixed in a standard door jamb comprises a trio of rectangular support members, and a curved gym bar, using looped end extension springs as a source of resistance each support member is provided with independent sections and each section comprising of a plurality of open ended eyelets with spring guides adapted to receive the looped ends of one or more extension springs, the upper support member is affixed to the top portion of the jamb facing downward, a pair of vertical support members facing in a bi-lateral relation on each side of the door jamb. To use the apparatus, one or more extension springs with looped end is placed over the spring guide of the open end eyelet of the curved gym bar and the other end of the spring is attached in the same manner to one of the eyelets on the upper support member using the same attaching method and two extension springs, a curved bar is used with the two vertical support members, all of which will allow for a push and pull motion of exercise allowed for by the independent sections of the eyelets. The extension springs allows use of auxiliary equipment such as hand grips and V-shaped bars.

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