Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roger Pellenc0
Date of Patent
May 7, 2013
0Patent Application Number
125276640
Date Filed
February 25, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A chain saw apparatus has a body, a guide bar extending from the body, a drive sprocket rotatably mounted to the body, a chain affixed to the drive sprocket and to the guide bar, an engagement device positioned on the body and cooperative with the guide bar so as to allow the guide bar to move toward and away from the body, and pushing device for automatically moving the guide bar away from the drive sprocket. The pushing device has a slide and an elastic component. The slide bears against a rear end of the guide bar. The elastic component urges between the body and the slide.
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