Chain saw guide bar

Saw guide bar for chain saws comprising a main part and a nose part detachably fastened to the main part, said main part including slot-forming walls on opposite sides of a vertical center plane to form a first slot along its periphery for receiving a saw chain, said nose part including slot-forming walls on opposite sides of the vertical center plane to form a second slot along its periphery which is aligned with said first slot for receiving the saw chain, opposing edges of said slot-forming walls of said main part and said nose part forming joints, each joint on one side of said vertical center plane being displaced in the direction of chain travel relative to a laterally adjacent joint on the other side of said vertical center plane, said main part including at least one projecting part received in at least one recess in the nose part said projecting part having longitudinal edges disposed on opposite sides of a horizontal center plane and which engage corresponding longitudinal edges of said recess, said longitudinal edges of said recess being of integral, one-piece construction with a slot-forming wall of said nose part.