Undertaking
Patent
1976-06-21
1978-02-07
Grieb, William H.
Undertaking
272142, 272144, 272123, A63B 2104
Patent
active
040723097
ABSTRACT:
A multiple purpose exercise device has a stable ground-supported frame having a single structural rail extending vertically at the rear thereof. A series of vertically aligned holes in a flange attached to the rail receive fastening pins for separately adjustably securing an exercise bench and a lever arm. The lever arm may be secured in a rigid position or in an upwardly or downwardly biased position by an interchangeable series of rigid connecting bars and spring members to allow the user to perform various pushing and pulling exercises.
REFERENCES:
patent: 3501143 (1970-03-01), Guerin
patent: 3638941 (1972-02-01), Kulkens
patent: 3647209 (1972-03-01), La Lanne
patent: 3662602 (1972-05-01), Weiss
patent: 3982757 (1976-09-01), McDonnell
patent: 3989241 (1976-11-01), Ourgant
Browne William R.
Grieb William H.
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