Athlete's arm restrainer

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

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Details

128 88, 273189A, 403104, A63B 7102

Patent

active

046052275

ABSTRACT:
For holding a bowler's arm rigid after it is straightened, an automatically locking hinge acts between an upper strap that is worn on the upper arm and a lower strap that is worn on the forearm. The hinge has an upper hinge structure which presents a circular peripheral surface with a detent recess at one circumferential location. The hinge has a lower hinge structure with a spring-pressed locking element that snaps into the detent recess when the arm is straightened.

REFERENCES:
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patent: 1336695 (1920-04-01), Gromes
patent: 2393142 (1946-01-01), Caron
patent: 2537338 (1951-01-01), Fishbein et al.
patent: 2545843 (1951-03-01), Cohan
patent: 2557604 (1951-06-01), Invidiato
patent: 3439672 (1969-04-01), Fisher
patent: 3698389 (1972-10-01), Guedel
patent: 3970305 (1976-07-01), Hawkins
patent: 3975015 (1976-08-01), Owens et al.
patent: 4088318 (1978-05-01), Massman
patent: 4132407 (1979-01-01), Davis
patent: 4367872 (1983-01-01), Langston

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