Tennis ball serving machine - comprises fixed frame, with serving arm pivotally mounted on shaft, with ramp. feeding balls

摘要

The automatic tennis-ball serving machine has a fixed frame (1). A serving arm (23) is pivot mounted on a shaft (21) which rotates. A loading mechanism is mounted on the frame (1) resulting in the arm rotating in a fixed direction on the shaft's axle (12). The arm has a locking mechanism fixed onto the frame and stops the free end of the arm when a required force is not reached. A serving ramp (34) takes the balls one by one and is positioned in front t of tfee d e t the free end of the arm.