Bowling ball weighing and balancing device

Details Bowling ball weighing and balancing device Bowling ball weighing and balancing device

1981-09-14

1983-10-04

Gill, James J.

Measuring and testing

Rotor unbalance

73480, 73482, G01M 104, G01M 112

Patent

active

044071540

ABSTRACT:
A bowling ball weighing device is provided for determining weight imbalance between various opposed sides of bowling balls comprising a support stand having two substantially vertically oriented standards supporting a circular cradle freely and pivotally therebetween for free rotation of the cradle about an axis of rotation extending between the standards. The cradle is adapted to receive a bowling ball therein, with the geometric center of a bowling ball lying in a vertical plane which includes the cradle axis of rotation and which divides the ball into opposed sides. An elongate indicator is securely attached to the cradle and registers on an indicia carrying field attached to the support stand the degree of weight imbalance between the opposed sides of the bowling ball.

REFERENCES:
patent: 1099917 (1914-06-01), Dungan et al.
patent: 2782631 (1957-02-01), Baltrukonis et al.
patent: 3029521 (1962-04-01), Estopare
patent: 3143901 (1964-08-01), Bawtinheimer
patent: 3156067 (1964-11-01), Malko
patent: 3161041 (1964-12-01), Amburgey
patent: 3465619 (1969-09-01), Blaker et al.
patent: 3486244 (1969-12-01), Horn

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