Patent ID: 7798023

Claim:
An in-line inspection tool for inspecting a pipeline while traveling therethrough, the in-line inspection tool comprising: at least one inspection assembly comprising a first end, a second end opposite the first end, at least one sensor, a bar supporting the at least one sensor, a first linkage mount connected to the bar proximate the first end of the at least one inspection assembly, and a second linkage mount connected to the bar proximate the second end of the at least one inspection assembly; a structure comprising a central axis; a first linkage pivotally connecting at one portion thereof to the first linkage mount and pivotally connecting at another portion thereof to the structure; a second linkage pivotally connecting at one portion thereof to the second linkage mount and pivotally connecting at another portion thereof to a third linkage; and the third linkage pivotally connecting at one portion thereof to the second linkage and pivotally connecting at another portion thereof to the structure, the third linkage having no fixed connection to the structure.