String pre-stretching apparatus and method for...

Details String pre-stretching apparatus and method for... String pre-stretching apparatus and method for...

A - Human Necessities

63

B

26/1

A63B 51/16 (2006.01) A63B 51/14 (2006.01)

Patent

CA 1133238

-11- STRING PRE-STRETCHING APPARATUS AND METHOD FOR RACKET-STRINGING MACHINE by John Adams Balaban 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.

345526

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