Patent ID: 6009957
Filing Date: 2000-01-04
Classification: E21B

Abstract:
An arrangement in a feed beam of a rock drill, said arrangement comprising a feed beam provided on each of two opposite sides thereof with at least one slide guide frame having a pair of outer surfaces angled with respect to each other, and a discrete slide guide profile placed on each slide guide frame, each slide guide profile having a pair of inner surfaces angled with respect to each other, whereby said inner surfaces of the slide guide profile and said outer surfaces of the slide guide frame of the feed beam are in contact with each other, and wherein an edge of the slide guide frame and a corresponding edge of the slide guide profile are shaped in such a manner that when the slide guide profile is in place on the slide guide frame, said corresponding edge of the slide guide profile is shape-locked relative to the edge of the slide guide frame, wherein an opposite edge of the slide guide profile is not shape locked to the slide guide frame and further wherein the slide guide frame and the slide guide profile are shaped in such a manner that when the slide guide profile is placed in a cross direction of the feed beam against the slide guide frame the slide guide profile does not bend in a cross direction; said arrangement further comprising securing means with which said opposite edge of the slide guide profile is secured to the slide guide frame of the feed beam.