| 摘要 |
A baseball pitchers' practice device is provided and consists of a vertical support frame set up temporarily at the front edge of home plate. The pitcher attempts to throw the baseball from his mound position to the catcher behind home plate through the device which outlines the strike zone area. The support frame is comprised of a pair of spaced apart, vertically extending stanchions. Each stanchion is supported by base members, the base members being connected by a horizontally extending alignment rod. The stanchions are attached to the base members by spring members such that if the stanchions are hit by a pitched ball the stanchions will be deflected. The strike zone area is defined by a plurality of strips of tape and is releasably attached to the stanchions by loop-hook fabric fasteners such that the tape will be disengaged from the stanchions if hit by a pitched ball.
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