A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 69/40 (2006.01) A63B 65/12 (2006.01) A63B 67/04 (2006.01) A63B 47/02 (2006.01)
Patent
CA 2138557
A table tennis training system including a pitching machine and a cage spaced around the pitching machine at the back, the pitching machine including a machine base defining a vertical ball channel, a pitching box pivotally mounted on the machine base at the top and defining a storage chamber, a blowing fan to blow ping-pong balls from the ball channel into the storage chamber, a ball feeding mechanism to guide ping-pong balls from the storage chamber to a firing position one after another, a pitching mechanism moved between a left limit position and a right limit position and controlled to throw the ping-pong ball from the firing position, the pitching mechanism including two rotary members and two unidirectional motors separately controlled to turn the rotary members in driving the ping-pong ball from the firing position out of the pitching box.
Kirby Eades Gale Baker
Lu Tzu-Hao
LandOfFree
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