Invention Grant
US07965585B2 Ringing mechanism 有权
振铃机制

Ringing mechanism
Abstract:
A ringing mechanism includes a power source (10) for driving rakes (18) and a gear (12) connecting the power source (10) to a regulation member (14), characterised in that the rakes (18) are kinetically connected to the power source (10) through a differential (20) provided in the gear (12).
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