Ball-throwing machine

Details Ball-throwing machine Ball-throwing machine

2007-11-10

2010-11-02

Ricci, John (Department: 3711)

Mechanical guns and projectors

Projectile impelled by coacting wheels

C124S006000

Reexamination Certificate

active

07823574

ABSTRACT:
A ball-throwing machine includes a frame and a ball-throwing mechanism pivotally connected with the frame. The ball-throwing machine further includes a circuit unit. Via a first servomotor and a first linkage, the circuit unit serves to move the ball-throwing mechanism to a ball-throwing angle and drive the ball-throwing mechanism to continuously swing up and down. The frame can be pivotally mounted on a base. Via a second motor and a second linkage, the circuit unit serves to drive the frame to horizontally swing back and forth. In addition, the ball-throwing machine has a safety switch. When setting the functions of the ball-throwing machine, a user can press the safety switch to stop the operation of ball throwing so as to protect a person from being incautiously hit and injured. The circuit unit further has a malfunction detection function for detecting whether the ball-throwing machine works normally.

REFERENCES:
patent: 5125653 (1992-06-01), Kovacs et al.
patent: 5464208 (1995-11-01), Pierce
patent: 5490493 (1996-02-01), Salansky
patent: 2006/0137672 (2006-06-01), Smith

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