Patent ID: 7997800

Claim:
A linear motion guide unit; comprising an elongated guide rail having a first raceway surface on a side thereof extending in a lengthwise direction of the guide rail, a slider fitting over and conforming to the guide rail to move lengthwise of the elongated guide rail in a sliding manner by virtue of more than one rolling element, and an attachment installed on any one of lengthwise opposite end surfaces of the slider through a mounting plate; wherein the mounting plate is made flat having even surfaces opposite to each other, one of which is a first mounting surface inward coming into mating with the one end surface of the slider and another is a second mounting surface outward coming into mating with the attachment; wherein the mounting plate is made of a molded product, and wherein the molded product of the mounting plate is made of an injected mold of synthetic resin in which a metal core is embedded centrally in a synthetic resin major part.