Thoracic weightlifting bench

Details Thoracic weightlifting bench Thoracic weightlifting bench

1991-08-16

1992-09-15

Bahr, Robert

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing weight resistance

A63B 21028

Patent

active

051472600

ABSTRACT:
A weightlifting bench for performing the bench press exercise comprising a substantially longitudinally arcuate curve for conforming to the thoracic region of a weightlifter's back. The arcuate curve has a chord with a length of 8.5 inches defined by the end points of the arcuate curve. The arcuate curve begins to ascend and increases to 1/8, 3/16, 1/4, 7/16 and 17/32, inches respectively, measured from points on the arcuate curve to evenly spaced points on the chord. When the arcuate curve passes its midpoint, the distance from the curve to the chord decreases to 1/2, 7/16, 3/16, 1/8 inches, respectively, measured at evenly spaced points along the chord.

REFERENCES:
patent: 1904039 (1933-04-01), Bruder
patent: 3858873 (1975-01-01), Jones
patent: 3998454 (1976-12-01), Jones
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patent: 4720099 (1988-01-01), Carlson
patent: 4905993 (1990-03-01), Barone
patent: 4915377 (1990-04-01), Malnke et al.
patent: 4953857 (1990-09-01), Lemire
Nautilus Midwest brochure, Cybex brochure, 1989.

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