Patent ID: 6588110
Filing Date: 2003-07-08
Classification: B27B,F02B

Abstract:
A guide bar for a saw chain of a motor-driven chain saw having a housing, the saw chain including cutting links, lateral connecting links and center drive links pivotally connected to each other via rivets with the drive links having respective rakers formed thereon and each two successive ones of said cutting links defining a space therebetween, the guide bar comprising:an elongated planar base body defining an outer periphery wherein a peripheral guide groove is provided for receiving said rakers therein and for guiding said saw chain along said outer periphery; said guide bar having guiding surfaces along said outer periphery for supporting said lateral connecting links and said cutting links and said guiding surfaces being separated from each other by said guide groove; said guide bar having an attachment end at one end thereof for attaching said guide bar to the housing of said chain saw and direction-changing section at the other end thereof for guiding said saw chain over the outer free end of said guide bar; guide plates mounted on said base body in said direction-changing section and extending radially beyond said guiding surfaces to laterally cover said connecting links and laterally guide said saw chain; said guide plates being configured as rotating guide discs; and, each of said guide discs having a plurality of cutouts formed in the peripheral edge thereof to define a radial section between each two mutually adjacent ones of said cutouts with corresponding ones of the radial sections extending into the space between two successive ones of said cutting links.