Vacuum crane pick-up device
View Patent ↗An arcade game pick-up device for use with hollow cylindrical targets that can be picked-up by applying a suction force to the bottom of the target, the pick-up device having a suction means and a control for reducing the tolerance between an impeding structure and the upper wall of the target to control the win percentage.
1. A pick-up device for an arcade game for use with hollow cylindrical targets that can be picked-up by applying a suction force to the target, the pick-up device comprising:
a suction means for releasably acquiring the target; and
an impeding structure on the pick-up device that is adapted to prevent the pick-up device from acquiring the target if the impeding structure lands on an outer periphery of the target; and
at least one projection for reducing a tolerance between the impeding structure and the outer periphery of the target to control a player's win percentage.
2. The pick-up device of claim 1 , where the suction means is a suction cup.
3. The pick-up device of claim 1 , wherein the impeding structure is a ring that fits around the target.
4. The pick-up device of claim 3 , wherein the at least one projection is threaded into ring and projects radially inward.
5. The pick-up device of claim 1 , wherein the impeding structure is a disk that fits into the target.
6. The pick-up device of claim 5 , wherein the at least one projection is threaded into disk and projects radially outward.