Patent · US Expired

Safety chain for chain saws

US4590836A · kind A · utility

20Cited by
5References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 17, 1983
Grant dateMay 27, 1986
Priority date
Expiry dateNov 17, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/925
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A cutting chain for a chain saw including a clearer immediately in front of the cutter tooth, the clearer normally extending past the cutter tooth and preventing cutting but depressible by a solid object such as wood to allow cutting.

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