Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1977-06-23
1978-11-14
Apley, Richard J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
A63B 5114
Patent
active
041252594
ABSTRACT:
An improved string clamping device for racket and like stringing machines, which includes an elongated housing having spaced and opposed side walls and open opposite ends, the side walls of said housing defining opposite sides of a channel which extends through the housing from one end to the other, a pair of elongated string engaging members positioned extending lengthwise in said channel, bearing members adjacent the respective opposed side walls of said housing mounting said string engaging members for limited longitudinal and lateral movement in said channel whereby said members move closer together when moved longitudinally in one direction than when moved in the opposite direction, at least two spring members positioned extending transversely between the string engaging members at spaced locations between opposite ends thereof, said spring members normally biasing said string engaging members apart from each other and in said opposite direction of longitudinal movement, a pin member extending between and engaging the pair of string engaging members to prevent relative longitudinal movement therebetween, and a flange formed on each of the opposed side walls of said housing, said flanges at least partially overhanging the respective string engaging members and together forming a relatively narrow slot through which a string can be moved and guided into a position to be clamped by said pair of string engaging members. The invention further encompasses an improved support structure for mounting the device on a support arm of a racket stringing machine, which support arm is operatively connected for moving the device toward and away from the racket during stringing thereof, said support structure including relatively movable members one of which is stationary and another rotatable, and a member for locking the rotatable member in a pre-determined position on said stationary member.
REFERENCES:
patent: 1831068 (1931-11-01), Hayslip
patent: 1989002 (1935-01-01), Doll
patent: 2067563 (1937-01-01), Darby
patent: 2100948 (1937-11-01), Doll
patent: 2246109 (1941-06-01), Serrano
patent: 3441275 (1969-04-01), Held
patent: 3480108 (1969-11-01), Cooper
patent: 3823609 (1974-07-01), Miyagawa et al.
patent: 3988022 (1976-10-01), Halbrook
Apley Richard J.
Haverstock Charles B.
Tennis Machines, Inc.
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