Measuring and testing – Testing by impact or shock – Specimen impactor detail
Patent
1997-12-05
1999-06-01
Dougherty, Elizabeth L.
Measuring and testing
Testing by impact or shock
Specimen impactor detail
73 1202, 473151, G01M 700
Patent
active
059089792
ABSTRACT:
The invention relates to a golf ball test hitter used for testing the performance of a golf club after manufacture of the club, which comprises a first arm corresponding a man's arm, a second arm corresponding to a wrist, being supported at a free end of the first arm, clamping means provided in the second arm for clamping a golf club, first swivel means for swiveling and manipulating the first arm, second swivel means for swiveling and manipulating the second arm, changeover means for stopping power swivel of the second arm by the second swivel means at an arbitrary position, and changing over the second arm from power swivel to inertial swivel, and brake means for braking the second arm changed over to inertial swivel, whereby arbitrary and varied motions ranging from beginners to professional players can be obtained, and hence varied test results corresponding to various patterns (club swivel trajectories including the motion of the wrist) can be obtained.
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Dougherty Elizabeth L.
Kojima Moonray
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