Chainsaw
US12151390B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2022 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Jun 28, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B17/0008
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The description herein discloses a chainsaw, which may include: a saw chain; a guide bar equipped with the saw chain; a sprocket for running the saw chain along a periphery of the guide bar; a motor including an output shaft connected to the sprocket; a cooling fan connected to the output shaft; and a base member for holding the guide bar. The base member may be constituted of a heat conductive material having a thermal conductivity of 10 W/m·K or more when a temperature of the heat conductive material is 300 K. The base member may include: a plate portion arranged such that the plate portion faces the motor in a direction along the output shaft; and a rib portion protruding from the plate portion toward the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.