Patent · US Expired

Apparatus for offsetting wear in chain saw bar guide rails

US4057991A · kind A · utility

1Cited by
1References
3Claims
0Family size

Inventors

Key dates

Filing dateNov 19, 1975
Grant dateNov 15, 1977
Priority date
Expiry dateNov 19, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB27B17/02
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Apparatus is disclosed for offsetting the lateral channel wear in chain saw bar guide rails comprising adjustable rollers mounted on a base for moving the guide rails together.

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