Patent GB-930925-A (GB)
Title: Coin-dispensing devices
IPC: G07D1/00
Filed: 1961-06-13
Abstract: 930,925. Coin-dispensing; coin-freed apparatus. NATIONAL REJECTORS Inc. June 13, 1961 [June 13, 1960], No. 21257/61. Class 27. A coin-dispensing device is prevented from dispensing more than one coin on each stroke of an ejector by a spring-loaded stop which constitutes an extension of the outlet end of a coin reservoir and is movable out of the path of the coin to be dispensed but cannot be moved further by a second coin which may tend to be dispensed with the first coin. The coin outlet may be at the top or bottom of the reservoir. As shown in Fig. 2, an ejector slide 58 with an opening 66 and a reduced coin-supporting recess 62 is movable to the right by the lobes of a motor-driven cam 122 and returned by springs 74. When the slide is moved to the right, the recess receives a coin from the outlet 86 of a coin reservoir and provides a threepoint support between its sloped front 67 and a concave shoulder 64 so that a bent coin will not tilt or rock. As the slide is returned to the left, the coin engages the slightly sloping face 98 of a square section stop 96 loaded by a spring 102 and moves it up just far enough to clear the coin and to a position where it blocks movement of the coin next above. The coin also forces apart springs 106 which close behind it and on the next movement of the slide to the right by means of the cam the springs hold the coin against returning and it falls through delivery openings 66, 56. As shown in Figs. 11, 13, 14, 15 and 19, an ejector plate 188 is pivoted at 222 and has an aperture 198 for dispensing 5-cent coins and a supporting surface 200 for dispensing 10-cent coins, the latter having above it a stop 340 pivoted at 164 and engaging the coin by a sloping face 348. Holes 202 at the end of the surface 200 prevent dirt from building up on the shoulders 204. A first inserted 5-cent coin is diverted from a switch actuator 292 but a second 5-cent coin causes the actuator to close a switch 290 and send an impulse to a vending machine. An inserted 10-cent coin also operates the switch 290. Both 5-cent and 10-cent coins fall to replenish reservoirs 138 and 140, if these are not already full. If a 25-cent coin, requiring 15 cents in change is inserted, it operates the switch 290 and then moves a switch actuator 298 down to a position where it is held by a magnet 306, thus maintaining closed a switch 296 that energizes a motor 239. A face cam 244 driven by the motor rotates a lever 224 and pin 230 working in a slot 194 rotates the plate 188 so that a 5-cent coin in the aperture 198 is dispensed. A 10-cent coin on the surface 200 is moved against the sloping face 348 of the stop 340 and raises it against the action of a spring 356 until it rests on the surface of the coin and blocks the movement of the coin next above. Towards the end of the movement of the plate, the stop 340 falls behind the coin, into a recess 206, and as the cam 244 allows the plate to return, the face 352 of the stop will prevent the coin returning with the plate and will cause it to be dispensed. A cam surface on the other face of the cam 244 operates a lever 264 to control switches 282 and 286 in sequence and, by means of a pin 280, to release the switch actuator 298 from the influence of the magnet 306 so that the parts of the device return to initial position. The face cam 244 comprises a number of short rises and dwells rather than a continuous rise to prevent fraudulent operation by repeatedly plugging and unplugging the electric supply so that the force of a spring 236 loaded by movement of the lever 224 could rotate the cam and oscillate the dispensing plate to dispense coins. The coin tubes can be emptied by turning a lever which acts on the lever 264 to hold it in a position energizing the motor 239. Feelers 326 extending into the coin reservoirs when they empty are held down on open bearings by a spring 320 to accommodate upward thrusts from bent coins when the level of the coins descends below the curved faces of the feelers. If either of the feelers moves fully into a reservoir, an empty switch 334 is actuated.