Measuring device for ascertaining pipe diameter and depth locati

Details Measuring device for ascertaining pipe diameter and depth locati Measuring device for ascertaining pipe diameter and depth locati

1975-09-30

1976-12-07

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33161, 33178R, G01B 502, G01B 512

Patent

active

039953734

ABSTRACT:
A measuring device for ascertaining the diameter and depth location of a remotely located pipe or conduit comprising a stationary rod section and a movable rod section slidably carried thereby. The corresponding ends of the rod sections are provided with elongated curved caliper arms having parallel longitudinal axes for facilitating access into the interior of the pipe. The rod sections are provided with measurement scales along their longitudinal surfaces and may further be lengthened by attaching corresponding extension rod sections together.

REFERENCES:
patent: 752823 (1904-02-01), Cary
patent: 758283 (1904-04-01), Shafer
patent: 1066273 (1913-07-01), Heintzelman
patent: 3190006 (1965-06-01), Madeira
patent: 3381382 (1968-05-01), Kemp
patent: 3526040 (1970-09-01), Young

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