发明授权
US6101968A Power-assist cake decorator 失效
电力辅助蛋糕装饰

Power-assist cake decorator
摘要:
In the housing is a motor and gear train driven by the motor, the train adapted to selectively engage a gear rack secured to the compression element to drive it down to squeeze the collapsible frosting container. When the train has moved into engagement, it closes a switch activating the motor.
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