Racquet stringing machine

Details Racquet stringing machine Racquet stringing machine

1977-06-21

1978-12-19

Apley, Richard J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

A63B 5114

Patent

active

041302788

ABSTRACT:
A racquet stringing machine having automatically activated locking means and an improved tension means using a free hanging weight to apply a uniform tension to a racquet string through a wheel and drum which are connected to the weight and the racquet string, respectively.

REFERENCES:
patent: 2069736 (1937-02-01), Roberts
patent: 2100948 (1937-11-01), Doll
patent: 2146853 (1939-02-01), Ryckman
patent: 2154870 (1939-04-01), Serrano
patent: 2309849 (1943-02-01), Kausal et al.
patent: 2971760 (1961-02-01), Boykin et al.
patent: 3302950 (1967-02-01), Hartman
patent: 3511502 (1970-05-01), Spenle

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