Weight plate for exercise device

Details Weight plate for exercise device Weight plate for exercise device

1988-03-31

1989-11-14

Apley, Richard J.

Undertaking

272122, A63B 1300

Patent

active

048802298

ABSTRACT:
A weight plate for use with a barbell type exercise device wherein the plate is coupled to the apparatus' lifting bar for rotation during the exercise movement, which rotation is ultimately blocked by a leverage bar coupled to the plate for rotation therewith and positioned to contact the user's outer forearm during the exercise movement.
The plate includes protrusions and recesses on its front and rear faces for interengaging adjacently mounted plates on the apparatus so that the plates rotate together without the need for the leverage bar to penetrate all plates.

REFERENCES:
patent: D194042 (1962-11-01), Guthormsen
patent: 2676802 (1954-04-01), O'Brien
patent: 3482835 (1969-12-01), Dean
patent: 3913908 (1975-10-01), Speyer
patent: 3971555 (1976-07-01), Mahdke
patent: 4231569 (1980-11-01), Rae
patent: 4369968 (1983-01-01), Price
patent: 4515364 (1985-05-01), Rotella
patent: 4625959 (1986-12-01), Schleffendorf
patent: 4673179 (1987-01-01), Pengler
patent: 4756526 (1988-07-01), Broussard

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