Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Racket or paddle; accessory therefor
Reexamination Certificate
2006-01-10
2006-01-10
Chiu, Raleigh W. (Department: 3711)
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Racket or paddle; accessory therefor
Reexamination Certificate
active
06984185
ABSTRACT:
A device for easily and efficiently replacing the gut (1) of a racket, comprising a mechanism (11, 12) for clamping a frame (F) at least at one position and a tension head (H) for holding a part of the gut (G) loosely pre-tensed through a gut hole (71) and applying a tension thereto, wherein the clamp mechanism (11, 12) is installed on one side of a frame base (T) for mounting the racket thereon, the tension head (H) is disposed on the outer peripheral side of the frame (F) so as to be positioned close to and apart from the outer edge of the frame (F) and, when the tension is applied to the gut (G), the tension head (H) comes into contact with the outer edge of the annular frame (F) and holds the other side of the annular frame (F) by the tension applied thereto, and the clamp mechanism (11, 12) is formed so as to be rotatable generally around the center of the frame (F), and the tension head (H) is disposed slidably in the radial direction of the frame along a slide rail (R).
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Nakane Akifumi
Ueda Kazuo
Chiu Raleigh W.
Darby & Darby
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