Chain saw
US11833656B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Dec 15, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B17/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A chain saw may include a saw chain, a guide bar to which the saw chain is attached, a sprocket configured to run the saw chain along a periphery of the guide bar, a prime mover configured to rotate the sprocket, an oil tank configured to store oil to be supplied to the saw chain, a housing that houses the prime mover and the oil tank, a bolt protruding from the housing and penetrating a hole disposed in the guide bar, a nut screwed onto the bolt to fix the guide bar to the housing, and a heat dissipating structure configured to dissipate heat from the bolt to the oil in the oil tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.