Patent · US Active

Chain saw

US11833656B2 · kind B2 · utility

0Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2021
Grant dateDec 5, 2023
Priority date
Expiry dateDec 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.