Undertaking
Patent
1987-12-21
1988-11-29
Apley, Richard J.
Undertaking
403261, A63B 1300
Patent
active
047876298
ABSTRACT:
An exercise lifting bar. A set of plates are pivotally mounted to each end of the bar. Each plate within a set is independently and pivotally movable relative to the bar. The plates are positioned between an outer collar threaded to the end of the bar and a spring housing rotatably mounted to the bar. The plates are movable to an aligned position allowing weights to be slipped thereover to facilitate removal or addition of weights to the bar. Plates located outward of the weights are then pivoted against the weights securing the weights between the outer plates and the spring housing. The collars are threaded inwardly tightly securing the weights between the outer plates and the spring housing.
REFERENCES:
patent: 3146010 (1964-08-01), Dellith
patent: 3606406 (1971-09-01), Walters
patent: 4369968 (1983-01-01), Price
patent: 4529197 (1985-07-01), Gogarty
patent: 4579337 (1986-04-01), Uyeda
patent: 4638994 (1987-01-01), Gogarty
patent: 4738446 (1988-04-01), Miles
Apley Richard J.
Bahr Robert W.
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