| http://www.w3.org/ns/prov#value | - The input-side face ratchet 44 and the output-side face ratchet 46 are arranged opposed to each other, and these ratchets are brought closer to be engaged (mated) with each other, whereby the driving force from the motor 21 is transmitted to the trimming mechanism 22, whereas when the ratchets are separated from each other, i.e. disengaged from each other, the transmission of the driving force to
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