Patent ID: 7225555

Claim:
A linear scale attachment device for holding and securely attaching a linear scale on an object to be measured, comprising: a base having a holding groove in which the linear scale can fit, the groove having a larger opening than the width of the scale, and having a hole in a bottom part for attaching the scale to the object to be measured, the hole being bored through the holding groove; and retaining means for preventing the linear scale fitted in the holding groove from falling off, wherein the base is: permanently attached to the object at one location in a lengthwise direction, formed with a fixing groove having side walls converging towards a contact surface between the base and the object, the bore extending from the holding groove to the fixing groove, and resiliently attached to the object by a plate spring abutted on one of the side walls of the fixing groove at one or more other locations and biasing the base towards the object.