| 摘要 |
A cup transfer device for a vending machine, such as an ice cream vending machine, can prevent the cup transfer device, peripheral objects or a motor from being damaged, even when the pup holder in the device cannot rotate properly. The cup transfer device comprises a cup holder; means for driving the cup holder: and means for selective controlling the power transmitted from the driving means to the cup holder. The driving means comprises a shaft driven by a. The power transmission control means includes a pair of clutch disks and a flexible member, such as a coil spring, for pressing the first clutch disk into engagement with the second clutch disk. In order to transmit power, the two clutch disks each have cooperating profiled surfaces.
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