Linear movement guide device

Abstract

Provided is a linear motion guide unit capable of fixing an assembly of each member in a fitting type by reducing the number of parts to mount on a casing so as to correspond to miniaturization. A slider is constituted of a casing on an inside surface of which a track groove is formed and on an outside surface of which a recessed groove and a return passage groove are formed, an end cap with a directional changing passage arranged on both end surfaces of the casing formed on it and a frame type case having a side plate part facing the outside surface of the casing and an end plate part facing an outer end surface of the end cap. A protruded part to be engaged with a recessed groove is provided on an inside surface of the side plate part, and the casing, the end cap and the frame type case are integrally fixed with each other by engaging the protruded part with the recessed groove by arranging the end cap on the frame type case.

Description

technical field [0001] The invention relates to a linear motion guide device applicable to various mechanical devices such as various robots, semiconductor manufacturing devices, precision machinery, and working machines. Background technique [0002] Generally speaking, a linear motion guide device suitable for various mechanical devices such as various robots, semiconductor manufacturing devices, precision machinery, and working machinery is composed of a rail and a slider that is erected on the rail and slides relatively. The slider is at least composed of a main body and an end cap. Conventionally, the main body and the end cap of the slider are fixed by screws or the like, but in recent years, a linear motion guide constituted by a combined body that does not require a fixing member to fix the main body and the end cap has been known. [0003] For example, the linear motion guiding device disclosed in the patent No. 2936166 specification is to fix the sliding part and ...

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