Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Reexamination Certificate
2007-06-12
2007-06-12
Donnelly, Jerome (Department: 3764)
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
C482S121000
Reexamination Certificate
active
10795307
ABSTRACT:
A flexible stick of a bow exercise device includes a base and a top cap, and a first and second flexible plates are connected between the base and the top cap. Two ends of the first flexible plate are respectively connected to the base and the top cap. A first end of the second flexible plate is connected to the base and a second end of the second flexible plate is movably inserted in a slot defined in the top cap. A gap is defined between the first and second flexible plates when the stick is not bent. The top cap can be removed from the two flexible plates and the second flexible plate can be replaced with another one with different flexibility.
REFERENCES:
patent: 4294221 (1981-10-01), Bryant
patent: 4725057 (1988-02-01), Shifferaw
patent: 6146317 (2000-11-01), Prusick
patent: 7041041 (2006-05-01), Evans
Liang Kung-Tai
Lin Chang-I
Donnelly Jerome
Rosenberg , Klein & Lee
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