Ball projecting device capable of providing spin

Details Ball projecting device capable of providing spin Ball projecting device capable of providing spin

1978-07-31

1981-02-17

Stouffer, Richard T.

Mechanical guns and projectors

Fluid pressure

124 83, F41F 104

Patent

active

042508622

ABSTRACT:
A ball projecting device, preferably pneumatically operated, is provided wherein the projected ball has "spin". The device comprises a projection tube including a curved portion, wherein the area of maximum curve radius of the curved portion, preferably is provided with a material having a high coefficient of friction; the ball is caused to roll along this high friction area, thereby imparting spin. The tube is preferably pivotable, such that the elevation of the tube end can be adjusted.

REFERENCES:
patent: 3847132 (1974-11-01), Schatz
patent: 4002336 (1977-01-01), Beaver et al.
patent: 4027646 (1977-06-01), Sweeton
patent: 4054120 (1977-10-01), Foley
patent: 4073280 (1978-02-01), Koehn et al.
patent: 4094294 (1978-06-01), Speer

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