Combination limb and abdominal exerciser

Details Combination limb and abdominal exerciser Combination limb and abdominal exerciser

2009-08-06

2010-11-09

Donnelly, Jerome (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing resilient force resistance

C482S127000, C482S121000

Reexamination Certificate

active

07828704

ABSTRACT:
The combination limb and abdominal exerciser of the present invention has a first torsional spring coupled between two rods of a set of pivotally connected rod members, such that the expansion or compression of the first torsional spring provides an exercise resistance when the two rods are moved outward away from or moved inward closer to each other by an external force, and the two rods return by the resilience of the first torsional spring when the external force is released, so as to help a user to exercise the upper limbs or exercise the lower limbs. Furthermore, a handle can be axially disposed at the end of each of the two rods, and a second torsional spring is disposed between each handle and the corresponding rod. The user can hold the handles and make the rods to rotate with respect to each other for wrist exercise.

REFERENCES:
patent: 4861022 (1989-08-01), Boatcallie
patent: 5507712 (1996-04-01), Chang
patent: 5743830 (1998-04-01), Ho

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