A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
273/149
A63B 69/36 (2006.01) G01P 15/03 (2006.01) A63B 15/00 (2006.01)
Patent
CA 1138911
ABSTRACT A swing-force indicator for a playing piece of sports equipment, such as a golf club, racket, baseball bat or the like, comprising an elongate housing adapted to be attached to a portion of the playing piece. A weight is movable on the housing between retracted and extended positions against spring action, becoming extended due to centrifugal force when the playing piece is swung, and being held in any extend- ed position by a releasable catch. Normally the weight is held retracted by a yieldable biasing means which acts coun- ter to the centrifugal force. An indicator shows the degree of extension of the weight, and gives a reading that is pro- portional to the force of the swing. The advantage of the present construction over the devices of the prior art is that the operation is simpler and more straightforward, and that there are relatively few separate parts, whereby the overall manufacturing cost can be much lower.
364170
Maroth Arthur M.
Maroth Sybil
Maroth Arthur M.
Maroth Sybil
Smart & Biggar
LandOfFree
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