Games using tangible projectile – Golf – Practice swingable implement or indicator associated with...
Patent
1997-03-03
1998-06-02
Marlo, George J.
Games using tangible projectile
Golf
Practice swingable implement or indicator associated with...
362259, A63B 6936, F21K 700
Patent
active
057591105
ABSTRACT:
A swing training device includes a housing which contains a light source, a power source and a driving circuit for generating a beam, such as a laser beam. Suitable optics, such as a collimator lens and a beam splitter (such as a half-mirror or a prism) are placed in the housing in order to split a highly defined beam so that a first beam is radiated along the longitudinal axis of the golf club shaft and a second beam is radiated at roughly a 90.degree. angle with respect to the first beam. A gravity switch in the swing training device provides that the beams are only radiated during the backswing and follow through of a golf club, thus simplifying operation, saving power and reducing the likelihood of inadvertent radiation of the laser beam into the face of the golfer or bystanders. The invention may also include a mat which has indicia for properly aligning lighted dots generated on the mat by the laser beams in order that the golfer may develop a proper swing form. The housing has a nesting portion which is received within an upper open end of a golf club shaft. The housing is removably secured to the golf club shaft by a collar and set screw arrangement. The cap on the housing may be rotatable to provide for radial adjustment of the second beam, to suit the needs of the golfer.
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Inoue Tatsuo
Seibel Chad R.
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