Undertaking
Patent
1989-12-04
1991-08-27
Apley, Richard J.
Undertaking
272 72, 272130, A63B 2104, A63B 21018
Patent
active
050427989
ABSTRACT:
This tower-like machine is operated in the vertical mode, the user pulling a grip bar downwardly from overhead and continuing the movement to press down below the waist and thereby drive a fan-bladed free wheel journaled in the machine frame through a pulley and chain assembly resiliently opposing downward travel of the grip bar.
REFERENCES:
patent: 1279633 (1918-09-01), Allen
patent: 3558130 (1971-01-01), Anderson
patent: 3586322 (1971-06-01), Kverneland
patent: 3731922 (1973-05-01), Jungreis
patent: 4249725 (1981-02-01), Mattox
patent: 4396188 (1983-08-01), Dreissigacker et al.
patent: 4441706 (1984-03-01), Korzaniewski
patent: 4537396 (1985-08-01), Hooper
patent: 4580983 (1986-04-01), Cassimi et al.
patent: 4743011 (1988-05-01), Coffey
Apley Richard J.
Donnelly Jerome
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