Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1992-10-13
1994-03-29
Millin, Vincent
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 80B, A63B 5310, A63B 5312
Patent
active
052977919
ABSTRACT:
A golf club shaft having a vibration preventing piece firmly mounted thereon for improving a feeling to be received by a player when he hits a golf ball with his golf club is disclosed. The vibration preventing piece is firmly mounted on a golf club shaft at the position defined by an inequality of 1.8.gtoreq. c/d.gtoreq.0.35 wherein c designates a distance between the tip side of the golf club shaft and a center of the vibration preventing piece and d designates a distance between the butt side of the golf club shaft and the center of the vibration preventing piece. Further, a method of producing a golf club shaft of the foregoing type is practiced by way of the steps of winding at least one prepreg sheet composed of reinforcement fibers and a thermosetting plastic around a rod-shaped mandrel, drawing the mandrel after completion of a thermal setting operation and firmly mounting a vibration preventing piece made of a shape memory alloy around a layered sheet product at the position located within the distance range defined by an inequality of 1.8.gtoreq.c/d.gtoreq.0.35 wherein c designates a distance between the tip side of the golf club shaft and the center of the vibration preventing piece and d designates a distance between the butt side of the golf club shaft and the center of the vibration preventing piece. The shape memory alloy is constructed in the annular configuration such that it assumes predetermined dimensions by thermal contraction thereof.
REFERENCES:
patent: 1418038 (1922-05-01), Tousey
patent: 1670531 (1928-05-01), Cowdery
patent: 1688473 (1928-10-01), Sippel
patent: 2023131 (1935-12-01), Gibson
patent: 3083969 (1963-04-01), Bills
patent: 3764137 (1973-10-01), Petro
patent: 4188032 (1980-02-01), Yanagioka
patent: 4725060 (1988-02-01), Iwanaga
patent: 5004236 (1991-04-01), Kamesaima
patent: 5042805 (1991-08-01), Nakai
"Golf World", Magazine, Apr. 12, 1968 issue, Advertisement for "Hex Flex" Shafts.
Fujikura Rubber Ltd.
Millin Vincent
Passaniti Sebastiano
LandOfFree
Golf club shaft and method of producing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Golf club shaft and method of producing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Golf club shaft and method of producing the same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-786793