Machine for stringing rackets

Details Machine for stringing rackets Machine for stringing rackets

1980-12-18

1983-03-15

Stouffer, Richard T.

Amusement devices: games

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

Target

A63B 5114

Patent

active

043765351

ABSTRACT:
The racket-stringing machine comprises a cradle for locking a racket frame in position and means for applying tension to a racket string. In order to apply tension to the string which is attached to the racket frame, a carriage is located externally of the cradle and provided with means for anchoring the string, for guiding and displacing the carriage in translational motion in the direction of withdrawal or approach with respect to the cradle and for applying tension to the string. The instantaneous tension of the string is compared at each instant with a predetermined tension to be established in order to permit displacement of the carriage in the direction of withdrawal as long as the instantaneous tension is lower than the predetermined tension, the carriage being then locked in position when these tensions are of equal value.

REFERENCES:
patent: 1969826 (1934-08-01), Tauber et al.
patent: 2067512 (1937-01-01), Sterns
patent: 2114216 (1938-04-01), Doll
patent: 3441275 (1969-04-01), Held
patent: 3635080 (1972-01-01), Krueger et al.
patent: 3918713 (1975-11-01), Kaminstein

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