Electric working tool
US12138771B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jul 13, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B17/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A chainsaw (electric working tool) includes a body case, a cutting part (working implement), and a motor, wherein the motor is mounted in a motor case disposed in a cooling route; an intake communicating with the cooling route is opened on the body case and communicates through the retention chamber with the cooling route; an air filter is inserted into the body case and arranged adjacent to the intake; the body case has a filter insertion/extraction hole opened thereon and the hole communicates with the retention chamber, through which hole the air filter is attachable to and removable from the retention chamber and be a cover for it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.