Insert device for application to the intersections of tennis rac

Details Insert device for application to the intersections of tennis rac Insert device for application to the intersections of tennis rac

1976-11-02

1978-03-14

Apley, Richard J.

Amusement devices: games

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

Target

A63B 5100

Patent

active

040787966

ABSTRACT:
An insert device for application to the intersections of tennis racket strings comprises a body of substantially rigid material adapted to be interposed between two intersecting strings. The body has a pair of mutually perpendicular grooves, each groove being adapted to accommodate a portion of a respective racket string and having a depth such that the portion of string accommodated in the groove does not protrude beyond the adjoining said surface of the body. The walls of each groove are formed with ribs or protuberances for the purpose of gripping a said portion of a racket string accommodated therein.

REFERENCES:
patent: 1682199 (1928-08-01), Smilie
patent: 3733243 (1973-05-01), Crawford
patent: 3921979 (1975-11-01), Dischinger

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