Patent ID: 7306373

Claim:
A linear guide apparatus, comprising: a guide rail having an inner groove of a rolling passage on each side thereof; a slider slidably mounted on said guide rail, said slider having outer grooves of the rolling passage respectively disposed in opposition to said inner grooves of said guide rail so as to define the rolling passages therebetween, said slider being provided with a number of circulating passages; and a number of rolling elements being put in each of said circulating passages, wherein each of said circulating passages includes said rolling passage, a return passage extending in parallel with said rolling passages, and direction changing passages interconnect said rolling passage and said return passage, said slider includes a metal main body, a frame member attachably and detachably engaging with an outer side of the metal main body, wherein the frame member is attachable with the outer side of the metal main body after being detached therefrom, and end caps provided on both axial direction ends of the frame member, the metal main body includes a body horizontal portion and inner leg portions provided on both width direction ends of the body horizontal portion, each inner leg portion of the metal main body has recessed portions at an outer side thereof along with the axial direction of the slider respectively, and the outer grooves of the rolling passage at both inner sides thereof respectively, the frame member includes, frame horizontal portions provided on both ends in the axial direction of the slider, and outer leg portions provided on both width direction ends of the frame horizontal portion, each of the outer leg portions has the return passage, inner grooves of the direction changing passage, and projection portions at inner sides thereof along with the axial direction of the slider, the projection portions being opposed to the recessed portions of the metal main body, the end cap includes an end cap horizontal portion and end leg portions provided on both width direction ends of the end cap horizontal portion, the projection portions of the frame member engage with the recessed portions of the metal main body respectively so as to integrally couple with the metal main body and the frame member, and the end caps are fixed to the metal main body via the frame member.