Patent ID: 7777372

Claim:
An electric tool comprising: a housing formed with an air inlet for taking in air, and an air outlet for exhausting air; an electric motor comprising: a stator core including a first portion and a second portion accommodated in and fixed to the housing, the first portion and the second portion are provided independently of each other, and the second portion is fixed to the first portion, the stator core comprising a first coil mounting portion provided on the first portion and extending in an axial direction of the motor, and a second coil mounting portion provided on the second portion and extending in an axial direction of the motor, the second coil mounting portion opposing the first coil mounting portion and providing a hollow area in cooperation with the first coil mounting portion; a first coil mounted in the first coil mounting portion and a second coil mounted in the second coil mounting portion; at least a first portion of the first coil and a first portion of the second coil being covered with a resin to form a first molded coil portion which is extending in the axial direction of the motor along the first portion and the second portion of the stator core, wherein a first space is formed between the first molded coil portion and the first and the second portions of the stator core; at least a second portion of the first coil and a second portion of the second coil being covered with a resin to form a second molded coil portion which is extending in the axial direction of the motor along the first portion and the second portion of the stator core, wherein a second space is formed between the second molded coil portion and the first and the second portions of the stator core; and a rotor rotatably disposed in the hollow area and between the first molded coil portion and the second molded coil portion; and a fan disposed in the housing for cooling the first coil and second coil by drawing air into the housing through the air inlet and blowing the air out of the housing through the air outlet.