Undertaking
Patent
1990-03-09
1991-04-30
Bahr, Robert
Undertaking
272 63, A63B 21062
Patent
active
050111396
ABSTRACT:
An improved assisted dip/chin exercise device (10) comprises a frame (12), chin bar (28), dip bar (30) and a pivotal foot bar (54) which is connected through a cable and pulley system to a weight stack so that a pre-adjusted amount of assistance can be selectively applied when and as desired for more effective training.
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patent: 4111414 (1978-09-01), Roberts
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patent: 4624457 (1986-11-01), Silberman et al.
patent: 4645197 (1987-02-01), McFee
patent: 4765610 (1988-08-01), Sidwell
patent: 4846458 (1989-07-01), Potts
King-Pro Freedom Spotter brochure from Sidwell Develpment, undated.
Bahr Robert
Bunch John W.
Lumex, Inc.
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