Patent ID: 6279241
Filing Date: 2001-08-28
Classification: G01B

Abstract:
A thickness gauge, comprising:a plurality of metallic sheets, each having a hole at one end thereof;a U-shaped frame, having a screw perforating therethrough at an opening of the frame, wherein the screw also perforates the holes of the plurality of metallic sheets and thus fixes the metallic sheets to the frame;each of the plurality of metallic sheets further having another hole at a second end thereof, wherein the another hole positions for any two neighboring metallic sheets are different; so that when at least two neighboring metallic sheets of the plurality of metallic sheets overlap, the another hole of one of the at least two neighboring metallic sheets will be shielded by the other of the at least two metallic sheet and human eyes can not see through the another holes of said at least two metallic sheets.