Patent ID: 7581330
Filing Date: 2009-09-01
Classification: G01B

Abstract:
1. A gauge device for measuring the inner diameter of engine related bores comprising: i. a circular body member having a circumferential surface and a front surface whereby within said body member is disposed a cylindrical chamber along a longitudinal axis creating an upper and a lower opening within said circumferential surface; ii. a slide pin housed within said cylindrical chamber; iii. a top flange extending radially from the front surface of the body member adjacent to the upper opening and disposed equidistance to each side of said top flange and extending radially from the front surface is a secondary flange iv. at least one bearing pin projects from the circumferential surface; v. a vertical guide slot of substantial length disposed on the front face of said body member along said longitudinal axis; vi. a plunger stop means having an externally threaded end to be received through the vertical slot perpendicularly to said front face and within a threaded opening in said slide pin; vii. a cylindrical dial mount affixed to the front surface of said top flange; and viii. a dial indicator means operatively engaged within said dial mount having a mounting collar, a movable plunger housed within a spring member, and an end cap affixed to the plunger terminus in abutting contact with the plunger stop means.