Williams used this feature on Williams' 1968 'Lady Luck' and referred to it in the flyer as a 'trap bumper'.Ī list of games identified with this feature can be found here.Īctual Measured Weight: - This is the weight measured for us by an operator who has a commercial scale. Gottlieb used this feature on a few of their games and referred to it in their flyers as a 'semi-enclosed pop bumper'. In one instance, Chicago Coin's 1967 'Beatniks', the ring had two slingshots instead of a pop bumper. While the ball is inside the ring, the close proximity of the rebound rubbers to the pop bumper allows for fast interaction with the ball for repetitive switch hits and quick scoring.Ĭhicago Coin used this feature on several of their games. The ring of rubbers does not fully enclose this bumper, having one or more openings through which the ball in play can enter and exit the ring. In most instances, the center of this circle has a pop bumper. Pinball Glossary The Internet Pinball Machine Database Glossary – A –Īction Ring - This is a playfield feature comprised of a series of rebound rubbers stretched between posts and arranged in a circle or ring.
