Undertaking
Patent
1973-12-26
1976-02-10
Pinkham, Richard C.
Undertaking
272 80, 294 78R, 294 81R, 182 6, A63B 702
Patent
active
039374610
ABSTRACT:
An arrangement of a harness, hoist and handles for the variable tension ring exerciser is disclosed. The harness includes a pair of small rings secured to two diametrical sides of a belt securable around the lower portion of the torso of a person and a pair of Y-shaped straps securable around thighs of the person wearing the harness. The end of the first branch of the first Y-shaped strap is secured to the belt of the harness at a proximity to the first small ring, to which end means of securing the stem of the first Y-shaped strap is attached. The end of the second branch of the first Y-shaped strap is secured to the belt intermediate the first small ring and the middle point of the rear half of the belt. The second Y-shaped strap including means of securing its stem is similarly secured to the belt in the vicinity to the second small ring. The hoist includes a pair of elongated structural members having cross section of a channel, within the grooves of which channels a plurality of sheaves are rotatably secured in a series aligned along the length of each elongated structural member. This pair of elongated structural members are linked to one another by a pair of ropes repeatedly engaging various pairs of sheaves, each of which pairs of sheaves includes the first sheave belonging to one elongated structural member and the second sheave belonging to the other elongated structural member. The longer of two elongated structural members includes a pair of pulleys suspended from two ends of that member, respectively. The handle is formed by three segments of tubular rods threaded in series by a rope, which rope is tied to form a closed loop resulting a triangular ring with three sides formed by three segment of tubular rods.
REFERENCES:
patent: 1675552 (1928-07-01), Hawxhurst
patent: 2842819 (1958-07-01), Granath
patent: 3432163 (1969-03-01), Murphy
Pinkham Richard C.
Taylor Joseph R.
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