Impact type tools
US4256145A · kind A · utility
5Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1978 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | Aug 18, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D9/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A pressure fluid operated impact type tool having cyclic pressure fluid operation of a reciprocable hammer piston, and for which there is provided accumulator means connected directly to pressure fluid supply and/or return of the tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.