Rotatable coacting members for projecting a ball

Details Rotatable coacting members for projecting a ball Rotatable coacting members for projecting a ball

1977-05-31

1980-04-01

Pinkham, Richard C.

Mechanical guns and projectors

Miscellaneous

124 81, 124 41R, F41B 304

Patent

active

041956141

ABSTRACT:
A ball throwing machine which includes a pair of rotary discs supported for rotation in angularly opposed relation so as to laterally engage a ball and effect propulsion thereof, each disc being composed of a back-up plate with an annular groove and a flat resilient section thereover, the discs being mounted on connected shafts enabling rotation by a single prime mover, and being capable of offset connection so that the ball will be engaged by the discs at different radial positions.

REFERENCES:
patent: 2112611 (1938-03-01), Snippen
patent: 3399660 (1968-09-01), Swartout
patent: 3766901 (1973-10-01), Cleary et al.
patent: 3774584 (1973-11-01), Paulson

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