Patent · US Expired

Safety chain for chain saws

US4604932A · kind A · utility

16Cited by
6References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 5, 1985
Grant dateAug 12, 1986
Priority date
Expiry dateApr 5, 2005

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 safety element in front of a cutter tooth, the safety element normally extending past the cutter tooth to inhibit cutting, but depressible by a solid object such as wood to allow cutting.

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