1987-07-24
1988-09-20
Apley, Richard J.
Undertaking
272900, 272112, A63B 102
Patent
active
047720115
ABSTRACT:
A demountable exercise apparatus for installation in conventional doorways comprises a pair of parallel rectangular support members each formed of separable sections. Each support member has a plurality of longitudinally spaced polygonal recesses, in opposed relation, which receive the rectangular extensible ends of a horizontal exercise cross bar. The recesses are also adapted to receive the ends of an expandable chinning bar. The cross bar height is vertically adjustable by positioning in selected octagonal recesses in the support members. The angular position of the flat surfaces of the rectangular cross bar about its longitudinal axis may be adjusted by positioning the extensible rectangular ends between opposed flats of the polygonal recess. The chinning bar may be used in conjunction with the vertically adjustable cross bar for performing a more diverse program of exercise, and the cross bar allows use of auxiliary equipment such as an inclined board, a weight beach, ropes and pulley, or several others.
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patent: 4657242 (1987-04-01), Guridi
Apley Richard J.
Flaxman Howard
Matthews Guy E.
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