CPC B25B 21/008 (2013.01) [B25B 21/02 (2013.01)] | 20 Claims |
1. A pressing and driving mechanism adapted for use with an electric screwdriver, the pressing and driving mechanism comprising:
a housing;
a torque transmitting shaft connected to the housing for sliding movement relative to the housing in an axial direction;
an anvil configured to receive rotational impacts and coupled to the torque transmitting shaft for transmitting the rotational impacts thereto;
a shuttle coupled to the torque transmitting shaft for movement therewith relative to the housing in the axial direction;
a terminal assembly connected to the shuttle and movable with the same; and
a printed circuit board fixed relative to the housing and adapted to be in mechanical contact with the terminal assembly,
wherein the terminal assembly and the printed circuit board form a potentiometer with a resistance value that is variable in dependence upon a position of the terminal assembly relative to the printed circuit board.
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