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Piping inspection instrument carriage

Description: This invention is comprised of a pipe inspection instrument carriage for use with a pipe crawler or other locomotion means for performing internal inspections of piping surfaces. The carriage has a front leg assembly, a rear leg assembly and a central support connecting the two assemblies and for mounting an instrument arm having inspection instruments. The instrument arm has means mounted distally thereon for axially aligning the inspection instrumentation and means for extending the inspectio… more
Date: September 20, 1993
Creator: Zollinger, W.T. & Treanor, R.C.
Partner: UNT Libraries Government Documents Department
open access

Pipe crawler with stabilizing midsection

Description: This invention is comprised of a pipe crawler having a midsection that provides the stability and flexibility to allow the pipe crawler to negotiate curved and uneven segments of piping while traveling through piping systems. The pipe crawler comprises a front leg assembly, a rear leg assembly, a midsection with a gimbal at each end for connecting the midsection to the front and rear leg assemblies in a flexible manner, and an air cylinder for changing the distance between the front and rear le… more
Date: September 20, 1993
Creator: Zollinger, W.T. & Treanor, R.C.
Partner: UNT Libraries Government Documents Department
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