Barbell weight lock

Details Barbell weight lock Barbell weight lock

1989-05-05

1990-09-11

Bahr, Robert W.

Undertaking

403259, 411433, A63B 21075

Patent

active

049556037

ABSTRACT:
Externally threaded opposite end portions of the bar of a barbell are insertable into the central apertures of cylindrical weights. Locking sleeves having manually retractable inward-projecting locking pins are fittable on the externally threaded bar end portions. With a locking pin in its projected position, the locking sleeve can be rotated like a conventional nut so as to advance toward or away from the weights. With the locking pin held in a retracted position, the locking sleeve can slide longitudinally in either direction along the threaded bar end portion without rotating.

REFERENCES:
patent: 2640696 (1953-06-01), Lemieux
patent: 2796296 (1957-06-01), Watson
patent: 4638994 (1987-01-01), Gogarty
patent: 4768780 (1988-09-01), Hayes
patent: 4773641 (1988-09-01), Metz
patent: 4787629 (1988-11-01), DeMyer

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