Ball throwing machine
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United States of America Patent
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-
May 25, 2004
Grant Date -
N/A
app pub date -
Jan 7, 2000
filing date -
Jan 13, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ball throwing machine includes a frame mounting a pair of rotary wheels provided with substantially identical pneumatic tires preferably made of non-marking rubber or synthetic elastomer and each having a diameter ranging between about 6-14 inches (15-35 cm); a wall depth ranging between about 1-4 inches (2.5-10 cm); and a footprint ranging between about 0.25-6 inches (0.6-15 cm). The frame mounts a pair of electric motors each associated with one of the rotary wheels for rotating the latter, and the frame may support a battery source of electric potential for the electric motors.
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