Patent ID: 8132484

Claim:
A sprocket cover arrangement for a hand-held chain saw, the sprocket cover arrangement comprising: a sprocket cover having an opening; a housing; at least one stud bolt having a first end fixedly and non-rotatably attached to the housing and having a second end that is a free threaded end, wherein the free threaded end projects through the opening of the sprocket cover to an exterior side of the sprocket coverwhen the sprocket cover is positioned in an operating position on the housing; a nut to be screwed onto the free threaded end of the at least one stud bolt on the exterior side of the sprocket cover so as to secure the sprocket cover on the housing; wherein said nut has a tubular shaft and a radial outwardly oriented nose, wherein said tubular shaft of said nut is inserted into said opening of said sprocket cover and is arranged freely rotatable and with play in said opening of said sprocket cover; wherein said opening of said sprocket cover has a radial inwardly oriented securing edge and said nose of said nut engages positive-lockingly said securing edge such that said nut is secured captively, rotatably and with play in said opening of said sprocket cover.