Hammer tool
US10052747B2 · kind B2 · utility
2Cited by
16References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2013 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | May 5, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/275
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hammer tool for hammering on a workpiece by a tool bit moving at least linearly in a longitudinal direction of the tool bit, configured so that a hammering element moves toward the tool bit to hits the tool bit by way of air pressure fluctuation in an air chamber when a driving element is moved from a first position to a second position. In addition, the stroke center position of the reciprocating movement of the driving element moved between the first position and the second position is configured to be changeable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.