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AssigneeNippon Thompson Co., Ltd.
InventorsOsamu Suzuki, Kengo Hidano, Takaaki Hagiya
Estimating the term…
A top cover is disclosed that is able to reduce the number of processing steps required for processing and assembly of the entire guide unit into which the top cover itself is included as one of its parts, contribute to reduced costs, facilitate easy attachment and removal to and from a track rail, and be installed on various types of track rails that have already been installed on a machine tool and so forth. In addition, a track rail unit is disclosed that is composed by combining the top cover and track rail, and a guide unit is disclosed that contains the track rail unit. The above effects are obtained by using fastening member insertion holes formed in a track rail, and employing a top cover having an engaging portion that elastically fits into those insertion holes.
A top cover composed of a body portion extending along the lengthwise direction of a track rail that covers insertion holes formed in said track rail for insertion of fastening members for fixing on a prescribed base, and an engaging portion that engages with said insertion holes to mount said body portion on said track rail.
A track rail unit composed of a track rail in which a track is formed along the lengthwise direction and in which insertion holes for insertion of fastening members for fixing on a prescribed base are arranged in a row in the lengthwise direction, and a top cover comprising a body portion extending along the lengthwise direction of said track rail that covers said insertion holes, and an engaging portion that engages with said insertion holes to mount said body portion on said track rail.
A guide unit composed of a track rail, in which a track is formed along the lengthwise direction and in which insertion holes for insertion of fastening members for fixing on a prescribed base are arranged in a row in the lengthwise direction, a slider able to perform relative movement with respect to said track rail, and a top cover comprising a body portion extending along the lengthwise direction of said track rail that covers said insertion holes, and an engaging portion that engages with said insertion holes to mount said body portion on said track rail.
Dependencies are inferred from the claim text.