Impact tool
US10967496B2 · kind B2 · utility
1Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2019 |
| Grant date | Apr 6, 2021 |
| Priority date | — |
| Expiry date | Jun 12, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D11/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An impact driver includes a motor, a spindle rotated by the motor, a hammer that is movable forward and rearward with respect to the spindle and that has an inner peripheral portion facing the spindle, and an anvil struck in a rotational direction by the hammer. A grease supply path is provided to supply grease to the inner peripheral portion of the hammer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.