Geometrical instruments – Area integrators – Electrical
Patent
1983-09-01
1985-08-06
Martin, Jr., William D.
Geometrical instruments
Area integrators
Electrical
33 1LE, 33138, 33508, 273DIG21, G01B 310
Patent
active
045327122
ABSTRACT:
A proximity comparing device for golfers for determining relative distances of golf balls from a flagstick which includes a clamping ring to releasably engage the flagstick while permitting sliding movement of the clamping ring about the periphery of the flagstick in combination with a string which has one end anchored to the clamping ring and another end received in a reel. The reel is preferably formed with an inner opening which is just slightly larger than the diameter of a ball so that adjustable amounts of string are played out or received in the reel making it a relatively simple matter to determine promptly which of two golf balls is farthest from the flagstick.
REFERENCES:
patent: 2673398 (1954-03-01), Baumgart
patent: 3418719 (1968-12-01), Davis
patent: 3745663 (1973-07-01), Dodge
patent: 3834030 (1974-09-01), Hanson
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