Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1985-12-20
1987-04-07
Marlo, George J.
Amusement devices: games
Surface projectile game; game element
Simulated game
273171, A63B 5304, A63B 5306
Patent
active
046554580
ABSTRACT:
An improved golf club with controllable dynamic characteristics is provided with a weighting chamber of controllable weight rigidly secured within an elongated cavity defined through the head of the golf club. The chamber is dynamically weighted by providing a volume of liquid-like material such as mercury within it and has an elongated cavity defined through the cross-section of the club head. The cavity consists of a pair of interconnected cylindrical sections and is provided with a threaded set screw located in the rearward cylindrical section for varying the internal volume of the chamber so as to provide variation in its volume as well as the available displacement area for the material contained in it. The weighting chamber, when filled with the appropriate volume of material, functions to increase the head weight by a predetermined amount. When the golf club is swung downwards from the top of its back swing, the movement of the liquid-like material within the weighting chamber in the direction of swing provides added momentum which produces increased force of impact at the point where driving contact is made between the face of the club and the ball.
REFERENCES:
patent: 1549350 (1925-08-01), Deike
patent: 1825244 (1931-09-01), Nero
patent: 2214356 (1940-09-01), Wettlauffer
patent: 2396408 (1946-03-01), Benecke
patent: 3172668 (1965-03-01), Blake
patent: 3199874 (1965-08-01), Blasing
patent: 3215437 (1965-11-01), Webb
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