String pre-stretching apparatus and method for racket stringing

Details String pre-stretching apparatus and method for racket stringing String pre-stretching apparatus and method for racket stringing

1979-02-12

1981-02-10

Apley, Richard J.

Amusement devices: games

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

Target

A63B 5116

Patent

active

042497329

ABSTRACT:
A racket stringing machine having a racket head holding fixture and a carriage and string clamp mounted for reciprocation toward and away from the fixture for engaging a string drawn through a racket head mounted on the fixture for tensioning of the string upon movement of the carriage away from the fixture; a brake for locking the position of the carriage relative to the fixture for maintaining the string at a predetermined tension, the carriage and brake being constructed to permit additional movement of the carriage away from the fixture for applying additional tension to and pre-stretching of the string; and means functioning on decrease of string tension to the desired predetermined tension to apply the brake.

REFERENCES:
patent: 1545314 (1925-07-01), Gower et al.
patent: 2118164 (1938-05-01), Chittenden et al.
patent: 2154870 (1939-04-01), Serrano
patent: 2278888 (1942-04-01), Lewis
patent: 2861417 (1958-11-01), Crandall
patent: 2971760 (1961-02-01), Boykin et al.
patent: 3441275 (1969-04-01), Held
patent: 3469001 (1969-09-01), Keefe
patent: 3635080 (1972-01-01), Krueger et al.
patent: 3775960 (1973-12-01), Ogawa et al.
patent: 3964291 (1976-06-01), Ogden
patent: 3994495 (1976-11-01), Stoffel
patent: 4029317 (1977-06-01), Malmstrom
patent: 4140316 (1979-02-01), Coupar
patent: 4156525 (1979-05-01), Parnell
patent: 4168603 (1979-09-01), Reich et al.
patent: 4168606 (1979-09-01), Callander
patent: 4183200 (1980-01-01), Bajaj

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