UNI-DIRECTIONAL DRIVE GEAR AND A GEAR TRANSMISSION DEVICE WITH THE SAME

摘要

A uni-directional drive gear includes a plurality of teeth each pivotably mounted on a mounting seat to be turned between driving and idle positions so as to permit the gear to rotate in a uni-rotational direction. A gear transmis s ion device having the uni-directional drive gear can be configured to perform different transmissions to suit a wide variety of requirements.