Measuring and testing – Gas content of a liquid or a solid – By vibration
Patent
1989-03-29
1991-03-05
Ruehl, Charles A.
Measuring and testing
Gas content of a liquid or a solid
By vibration
738653, G01M 1900
Patent
active
049968670
ABSTRACT:
This invention is concerned with a golf club swinging apparatus for testing performance of golf clubs, for example. The golf club swinging apparatus is capable of swinging a golf club from an addressing position through take-back, back swing top, down swing, impact and follow-through positions to a follow-through end position, which results in substantially the same club swinging locus as by a golfer. The club swinging apparatus therefore enables flight distance and various other tests to be conducted reliably.
REFERENCES:
patent: 3444729 (1969-05-01), Shobert
patent: 3855842 (1974-12-01), Iabori et al.
patent: 4062222 (1977-12-01), Solheim
Kojima Moonray
Ruehl Charles A.
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