Striking device

Details Striking device Striking device

1978-10-10

1982-01-05

Pinkham, Richard C.

Undertaking

273 67R, 248251, A63B 6900

Patent

active

043090281

ABSTRACT:
A balanced dumbell-shape striking type exercise device is mounted for adjustable balanced rotation about a support. Adjustment of rotatability is provided by a pair of springs on the support to apply rotation resisting force to the dumbell; by changing compression of the springs resistance to rotation is correspondingly varied. Handles on the support enable the exercise device to be hand-held or the support may be attached to a mounting bracket which holds one or more such exercise devices.

REFERENCES:
patent: 1890696 (1932-12-01), Rosenhahn
patent: 2812683 (1957-11-01), Harold et al.
patent: 2920418 (1960-01-01), Britt
patent: 3118671 (1964-01-01), Smith
patent: 3472075 (1969-10-01), Oppenheimer
patent: 3552749 (1971-01-01), Piggotte
patent: 3588104 (1971-06-01), Griffin
patent: 3896583 (1975-07-01), Baettcher
patent: 3962949 (1976-06-01), Trowbridge
patent: 4170352 (1979-10-01), Vcala

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