Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1987-12-16
1989-03-28
Garrett, Robert E.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 802, 403 97, A63B 5302, A63B 5306
Patent
active
048157406
ABSTRACT:
A putter club head has a circular array of like serrations emanating radially from a shaft pivot axis which intersects a shaft longitudinal axis at the mass center of gravity of the head. The shaft is attached to a shank member which rotates around a journal secured to the head. The shank member has a circular array of serrations which mate with and engage serrations on the head. The shank member serrations are releaseably clamped against the head serrations along the pivot axis. A ring circumscribes the interface of the mating serrations to preclude foreign matter from entering into the space between the serrations. The serrations have a given angular spacing to provide known angular positions of the shaft relative to a reference position. A stop device limits the relative angular rotation of the shaft to the head.
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La Mura Joseph L.
Williams Joseph
Garrett Robert E.
Williamson Mark A.
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