Holder for stringing a racket

Details Holder for stringing a racket Holder for stringing a racket

1986-04-07

1987-04-07

Schmidt, Frederick R.

Work holders

Relatively movable jaws

Three coacting work grippers

269296, B25B 514

Patent

active

046554440

ABSTRACT:
A holder for stringing a racket includes a base, an intermediate fitted in the base, two holding arms having their one ends respectively pivotally mounted on the two sides of the intermediate, a screw threadedly engaging with the base and the intermediate for forcing the holding arms in inward or outward movement to hold or release the frame portion of a racket, and a clamping piece which together with holding arms clamps the frame portion therebetween.

REFERENCES:
patent: 1888800 (1932-11-01), Grothe
patent: 3735973 (1973-05-01), Petrie
patent: 4049254 (1977-09-01), Godot
patent: 4548392 (1985-10-01), Rickling

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