Mechanical guns and projectors – Pinch
Patent
1991-02-27
1993-01-26
Reese, Randolph A.
Mechanical guns and projectors
Pinch
124 511, 124 16, A63B 6940
Patent
active
051815010
ABSTRACT:
A ping-pong ball shooter including a reciprocating arm mechanism composed of an abruptly returning device capable of shooting out a ball, a rotating mechanism, a ball feeding/regaining device, an eye ball reciprocating mechanism and speed changing device, whereby by means of slider-crank mechanism in four linkages, the eye ball reciprocating mechanism can rotate left and right and up and down like an eye, making the shot out ping-pong balls scattered within a sector area of a ping-pong table, and the rotation direction, bounding speed and bounding strength of the ball can be controlled, and the shot out balls can be recollected into a ball collector through a hopper slide way and a sleeve ball bag, one end of the sleeve ball bag being open and inserted into the slide way and the other end thereof being closed, serving as a driving end, three sets of blades and openings being disposed therein whereby when rotating, due to centrifugal force, the balls slide through the opening into ball pipe to be pushed by the blades upward along the ball pipe into a T-shaped pipe having a spring, ready ball tunnel and ball spilling pipe, permitting the balls to freely drop into the ready ball tunnel, and if the same is filled with other balls, a pressing spring forces the balls to the ball spilling pipe to slide back to the sleeve ball bag.
REFERENCES:
patent: 2199009 (1940-04-01), Perryman
patent: 3606987 (1971-09-01), Nomura
patent: 4116438 (1978-09-01), Berliner
patent: 4765618 (1988-08-01), Daley
patent: 4917380 (1990-04-01), Gatchel et al.
Reese Randolph A.
Thompson Jeffrey L.
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