Exercise apparatus for releasable installation in a doorway

Details Exercise apparatus for releasable installation in a doorway Exercise apparatus for releasable installation in a doorway

1984-11-19

1987-04-14

Hafer, Robert A.

Undertaking

272112, 272900, 128 75, A63B 102, A61H 102

Patent

active

046572422

ABSTRACT:
A demountable exercise apparatus for installation in conventional doorways comprises a pair of parallel rectangular support members each formed of separable or foldable lower and upper sections. Each support member is provided with a series of longitudinally spaced slots or recesses, in opposed relation, which receive the extensible ends of a horizontal exercise crossbar, and is adapted to receive the ends of an expansible chinning bar. The crossbar is vertically adjustable by positioning in selected slots or recesses in said support members. The chinning bar may be used in conjunction with the vertically adjustable crossbar for performing a more diverse program of exercise, and the crossbar allows use of auxiliary equipment such as an inclined board, a weight bench, ropes and pulley, or several others.

REFERENCES:
patent: 3840227 (1974-10-01), Chesemore
patent: 4077403 (1978-03-01), Steele
patent: 4262902 (1981-04-01), Dranselka
patent: 4477073 (1984-10-01), Koch et al.

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