Patent ID: 8013597
Filing Date: 2011-09-06
Classification: G01B,G01D

Abstract:
1. A slide operation device comprising: a movement guide of a rod-shape; and a moving block that slides on the movement guide for setting an electric parameter as a measurement value in accordance with a movement amount or position of the moving block in a slide direction along the movement guide, wherein the movement guide comprises: a slide bar that is formed of a rigid member with a strength difficult to be bent, and that is formed with a generally circular groove forming an undercut on a flat surface of the movement guide extending along the slide direction; and a magnetic scale material that is made from a resin and a magnetic material and that is filled in the groove, and wherein the slide bar is formed with a concave which is deeper than the groove and which extends in a direction perpendicular to the slide direction and extends only a portion along the groove in the slide direction, and the magnetic scale material is also filled in the concave.