Projector for tennis balls; has upper and lower ball stores with drive wire to discharge balls to projecting bats

摘要

The projector has two upper and lower ball stores (5) formed of convex transparent material to allow estimation of the number inside. Below each trap (13) is a drive wire (2) to open ball retaining jaws and feed the balls to a projection bat. Buttons (10) control the opening of the trap, to catch the balls and feed them to the stores.