Power tool dust collecting device and power tool
US9193021B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2012 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Jan 28, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q11/006
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool dust collecting device includes, in a housing in which a suction opening is protrudingly provided and on which a power tool is mountable, a motor chamber holding a motor having a brush that comes into sliding contact with a commutator of a rotor rotating integrally with an output shaft, a fan chamber housing a dust collecting fan attached to the output shaft of the motor, and a dust collecting chamber 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 cushioning member is interposed between an inner wall of the motor chamber and an outer peripheral surface of the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.