Patent ID: 6948258

Claim:
A device for measuring the internal diameter of a pipe, said device comprising: means for fastening the device to an inspection camera; a tape mounted into a flat elongated body having holes to allow a string to be pulled out of said flat elongated body, the tape having a first end and a second end, wherein said tape has a hole at the first end for connecting a first end of an elastic band and the string to said tape, wherein the flat elongated body includes a tongue having a hole for connecting a second end of the elastic band, wherein said string pulls said tape out of said flat elongated body for measuring the internal diameter of the pipe, wherein said tape has a hole at the second end for connecting a circular member keeping said device at a right angle in bottom of the pipe when reading the diameter of the pipe with the inspection camera, and also blocking said tape at the input of said flat elongated body when said elastic band brings said tape into said elongated body; and means for keeping said device in the bottom of the pipe; and means for extending said flat elongated body.