Patent ID: 9193021
Filing Date: 2015-11-24
Classification: A47L,B23Q

Abstract:
1. A power tool dust collecting device comprising: a housing in which a suction opening is protrudingly provided and on which a power tool is mountable; a motor chamber which is provided in the housing and which holds a motor having a brush that comes into sliding contact with a commutator of a rotor that rotates integrally with an output shaft; a fan chamber which is provided in the housing and which houses a dust collecting fan attached to the output shaft of the motor; a dust collecting chamber which is provided in the housing and in which a filter, through which passes air sucked up from the suction opening due to rotation of the dust collecting fan in accordance with driving of the motor and which collects dust in the air, is mounted on an upstream side of the fan chamber; a first pair of protruding portions protruding inwardly from a left inner wall of the motor chamber and protruding toward an outer peripheral surface of the motor from positions separated from each other in a transverse direction relative to a longitudinal axis of the motor; a second pair of protruding portions protruding inwardly from a right inner wall of the motor chamber and protruding toward the outer peripheral surface of the motor from positions separated from each other in the transverse direction, the first pair of protruding portions and the second pair of protruding portions facing one another from opposite sides of the motor and sandwiching the motor; and a plurality of cushioning members, each cushioning member being interposed between one of the protruding portions and the outer peripheral surface of the motor.