Exercise devices – Sit up device
Patent
1997-04-18
1998-06-30
Donnelly, Jerome
Exercise devices
Sit up device
482130, 482121, A63B 2302
Patent
active
057725632
ABSTRACT:
A multipurpose exerciser is provided that is formed from two pivotally connected n-shaped frames and an adjustable crossbar extending between one of the n-shaped frames near two ends thereof. Foam rubber material is wrapped around the two n-shaped frames and the adjustable crossbar. One of the n-shaped frames is a primary frame which has a middle portion forming a handle for a user to grip. The adjustable crossbar is provided with two loop-shaped straps at the two outer ends thereof for putting over different areas of the user's body for safety purposes. The two n-shaped frames are angularly adjustable relative to each other, to permit the user to do different exercises with the exerciser by applying force to the primary frame. The exerciser can be used for abdominal exercises, rowing exercises, chest and arm exercises, etc.
REFERENCES:
patent: 5458549 (1995-10-01), Obery
patent: 5492520 (1996-02-01), Brown
patent: 5545114 (1996-08-01), Gvoich
patent: 5591111 (1997-01-01), Wang et al.
patent: 5599261 (1997-02-01), Easley et al.
patent: 5697874 (1997-12-01), Abelbeck
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