Geometrical instruments – Indicator of direction of force traversing natural media – Structurally installed including relation to feature thereof
Patent
1976-02-20
1978-03-21
Phillips, Charles E.
Geometrical instruments
Indicator of direction of force traversing natural media
Structurally installed including relation to feature thereof
33373, 33390, 33384, 273162B, G01C 928, G01C 936
Patent
active
040795209
ABSTRACT:
A position indicator to properly incline and set a golf club. The indicator includes a positioning head mounted upon a clamp which is secured to the shaft of a golf club. The positioning head includes a cup carrying a spherical level, a bubble in fluid beneath a spherical glass. The glass is marked to center the level bubble and to indicate direction alignment. The connection between the positioning head and the clamp is essentially a ball and socket joint. A lock screw ties the two components together whenever the position indicator is properly set.
REFERENCES:
patent: D220124 (1971-03-01), Powell
patent: 1327171 (1920-01-01), Ruggles
patent: 1446164 (1923-02-01), D'Egraud
patent: 2229194 (1941-01-01), Sklarek
patent: 2541366 (1951-02-01), Kennedy
patent: 2723125 (1955-11-01), Comee
patent: 2822614 (1958-02-01), Susinno
patent: 3306618 (1967-02-01), Liljequist
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