Calibrated tubular elastic exercising device

Details Calibrated tubular elastic exercising device Calibrated tubular elastic exercising device

1983-12-19

1986-02-18

Apley, Richard J.

Undertaking

272142, A63B 2102

Patent

active

045709211

ABSTRACT:
For use in a program of physical exercise, a hollow cylindrical tube made of rubber, which tube is calibrated along its outer surface with an 0 permanently imprinted at the midpoint between the ends of the tube and the numerals 1, 2, 3 and 4 imprinted along the outer surface of the tube at spaced intervals from the midpoint of the tube. The tube is approximately 75 inches in length and has an outer diameter of 7/8ths of an inch and an inner diameter of 3/4ths of an inch.

REFERENCES:
patent: 1638003 (1927-08-01), Neumann
patent: 1810255 (1931-06-01), Poulos
patent: 1945134 (1934-01-01), Brunk
patent: 1998226 (1935-04-01), Draheim
patent: 3589721 (1971-06-01), Cronauer
patent: 3807730 (1974-04-01), Dalton et al.
patent: 3819177 (1974-06-01), Spiro
patent: 4019734 (1977-04-01), Lee et al.
patent: 4026549 (1977-05-01), Gunn
patent: 4040620 (1977-08-01), Friedman
patent: 4193593 (1980-03-01), Wilson
Black Master--Black Belt Magazine, May 1980, p. 47.

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