Exercise mechanism

Details Exercise mechanism Exercise mechanism

1998-12-24

2000-01-18

Donnelly, Jerome

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing resilient force resistance

904121, A63B 2102

Patent

active

060153717

ABSTRACT:
An exercise machine includes an anchorage adapted to fit on the upper edge of a room door, a lower anchorage adapted to fit on the lower edge of the door, and an operating mechanism trained between the two anchorages. The mechanism includes an elastic resistance device and a variable length connector between the resistance device and a variable length connector between the resistance device and one of the anchorages. A flexible tension element extends around a pulley system within the variable length connector and out of the connector to an external handgrip. The handgrip can be pulled to stress the elastic resistance device.

REFERENCES:
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patent: 689418 (1901-12-01), Ryan
patent: 705266 (1902-07-01), Mattson
patent: 754992 (1904-03-01), Grabner
patent: 5029850 (1991-07-01), Van Straaten
patent: 5221240 (1993-06-01), Mann et al.
patent: 5385525 (1995-01-01), Davis
patent: 5601518 (1997-02-01), Weintraub
patent: 5820529 (1998-10-01), Weintraub

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