Engine driven hand-operated tool
US6427641B1 · kind B1 · utility
5Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 10, 2000 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Aug 10, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B17/0008
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In an engine driven hand-operated tool such as a chain saw, hedge trimmer, drill hammer and the like, cooling fluid for the engine downstream of the engine, so as to have been heated by the engine, is moved through a hollow handle of the tool to heat the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.