Undertaking
Patent
1976-04-15
1977-09-13
Pinkham, Richard C.
Undertaking
272126, A63B 2100
Patent
active
040477142
ABSTRACT:
Improved body exercising devices of the type having a pair of flexible lines, each including a loop in an end thereof for engagement by the hands or feet of one or more individuals. Each line passes over a pulley connected to a support assembly. The support assembly includes a length of flexible line, two intermediate portions of which are connected together to form a closed loop and a pair of depending legs to which the pulleys are attached. The hand and foot engaging loops are formed by self-locking knots and include a reinforcing cover member. The loose end of the knot may be either woven into the line itself or tucked into the end of the reinforcing member so as to avoid injury or discomfort to the user. The pulleys may also have camming shoulders such that a pair of pulleys attached to each other at their eyelets results in their assuming and maintaining a 15.degree. to 30.degree. angle with respect to each other; and a double loop support assembly serves to hold the pulleys firmly together when the apparatus is used by an individual and to allow the pulleys to be separated from each other when two or more individuals use the apparatus as a dual isometric exerciser.
REFERENCES:
patent: 763475 (1904-06-01), Frazee et al.
patent: 3677543 (1972-07-01), Richardson
patent: 3843119 (1974-10-01), Davis
patent: 3979114 (1976-09-01), Codina
Browne William R.
Pinkham Richard C.
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