Patent · US Expired

Chain saw chain tensioning and braking system

US6944958B1 · kind B1 · utility

9Cited by
25References
20Claims
0Family size

Inventor

Key dates

Filing dateJan 15, 2002
Grant dateSep 20, 2005
Priority date
Expiry dateMay 16, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/7226
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A chain saw which includes chain tensioning and braking systems. Tensioning and braking are caused by the presence and control of longitudinal and lateral slits in an elongated support which provides a continuous chain channel guide in its outer circumference.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.