Squash ball throwing machine - includes basket type piston attached to steel bolt pretensioned by spring and moved through drive pins by motor

摘要

The squash ball throwing machine is fitted with a steel bolt positioned on a spring which is equipped with a basket type piston moving inside a cylinder into which the squash balls are guided from a collecting point. The steel bolt is fitted with a driver pin. The driver pin of the bolt is positioned so that it makes contact with another driver pin located on a plate which is driven by a motor. The spring on which the bolt is positioned can be pre-tensioned to a varying extent by an adjustment screw.