Game involving guiding ball - has swinging arm and pistons to move ball along path, with time of travel being measured

摘要

The device comprises a ball (18) and a number of members (2,3,5,7,8,13,14 and 15) which can be controlled independently by controls (20 to 26) on the board so as to cause the ball to travel along a path from one member to another between starting and finishing points. The travelling time is measured by a clock (4). The members include a magnetic swivel arm (3), controllable bars (5), pistons (10) to project the ball from one cylinder (9) to another and then to a ramp (12), a tilting maze (13) and a catapult (15).