Undertaking
Patent
1978-10-25
1980-04-29
Browne, William R.
Undertaking
403330, 403327, 272DIG4, A63B 2106
Patent
active
042002800
ABSTRACT:
An exercising machine having vertical tracks, a vertically reciprocative carriage guide by the tracks, weights to bias the carriage downwardly and a lifting arm removably connected to the carriage, and having a failsafe mechanism for automatically interlocking the lifting arm and the carriage to prevent accidental decoupling thereof.
REFERENCES:
patent: Re28066 (1974-07-01), Marcyan
patent: 593190 (1897-11-01), Bernhardt
patent: 3526040 (1970-09-01), Young
patent: 3635472 (1972-01-01), Marcyan
patent: 3971555 (1976-07-01), Mahnke
Browne William R.
Brunton James E.
Marcy Gymnasium Equipment Company
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