Power tool
US9962823B2 · kind B2 · utility
4Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 26, 2014 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Sep 26, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F5/026
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hammer drill includes a main body which houses a driving motor having a brush and a brush holder unit which holds the brush and switches a position of the brush, and a main handle which is movable to the main body. Further, a coil spring which biases the handle is provided. In a state that the coil spring biases the handle, the handle is moved against the main body in a longitudinal direction of a hammer bit and vibration transmission from the main body to the handle is prevented. Further, interference of a lever of the brush holder unit and the handle is prevented by a part of an opening formed on the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.