Guide bar having a lamellar assembly and method of making the same

US5249363A · kind A · utility

Assignee

• Andreas Stihl AG & Co. KG · DE

Inventors

• David Mitrega · Winnenden, DE
• Walter Sattelmaier · Ludwigsburg, DE
• Klaus Wieninger · Waiblingen, DE
• Norbert Apfel · Waiblingen, DE
• Roland Schierling · Marbach am Neckar, DE
• Bernd Andress · Erdmannhausen, DE

Key dates

• Filing date: Jun 5, 1992
• Grant date: Oct 5, 1993
• Expiry date: Jun 5, 2012

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B27B17/025
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

The invention is directed to a guide bar for guiding the saw chain of a motor-driven chain saw. The guide bar of the invention has a lamellar configuration and is not made of three parts as are conventional guide bars. Instead, the guide bar of the invention is made of two side parts. The two side parts are connected by means of spacers which are configured as projections on at least one of the two side parts. The side parts can be frames having large inner openings and are preferably stiffened. The connected frames define a composite frame which can be filled with plastic. The spacers determine the spacing of the side parts and therefore the width of the guide groove for the saw chain. The invention is also directed to a method of making the guide bar.