Invention Grant
US09408653B2 Electric ratchet for a powered screwdriver 有权
电动棘轮电动螺丝刀

Electric ratchet for a powered screwdriver
Abstract:
A powered screwdriver system includes an electric ratchet. In accordance with one aspect, the powered screwdriver system includes a driver housing and includes a motor disposed within the housing. A working end provides a rotational output and is mechanically coupled to the rotor. A power source provides power to the motor. A controller receives signals representative of a motor condition and, based on the received signals, controls the motor in a manner providing the electric ratchet.
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