| CPC B25F 5/008 (2013.01) [B25F 5/001 (2013.01); B25F 5/02 (2013.01)] | 18 Claims |
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1. A power tool, comprising:
a motor including a stator and a rotor rotatable relative to the stator about a rotation axis;
a gear drivable in response to rotation of the rotor;
a motor compartment accommodating the motor;
a rear cover covering a rear opening in the motor compartment;
a gear case accommodating the gear and covering a front opening in the motor compartment;
a first screw fastening the rear cover and the motor compartment together, the first screw being screwed from a rear of the motor compartment; and
a second screw fastening the motor compartment and the gear case together, the second screw being screwed from the rear of the motor compartment, wherein:
each of the first screw and the second screw has a head at a proximal end, a distal end that is threaded at an end opposite the proximal end and a middle portion between the proximal end and the distal end,
the rear cover has a first opening receiving the middle portion of the first screw,
the motor compartment has
a first screw hole receiving the distal end of the first screw, and
a second opening receiving the middle portion of the second screw,
the gear case has a second screw hole receiving the distal end of the second screw,
the motor compartment includes
a body having an outer surface, and
a screw boss protruding outward from the outer surface of the body in a radial direction about the rotation axis, and having the second opening, and
the rear cover has an outer surface with a first recess extending in an axial direction along the rotation axis,
the outer surface of the body has a second recess extending in the axial direction along the rotation axis,
the screw boss is in front of the second recess, and
the first recess is aligned with the second recess and with the second opening in a front to rear axis that is parallel to the rotation axis.
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