Pipe thread gauge

Details Pipe thread gauge Pipe thread gauge

1983-09-23

1985-08-27

Little, Willis

Geometrical instruments

Gauge

Screw thread

33143M, 33147M, 33531, 33169B, G01B 340

Patent

active

045369640

ABSTRACT:
A pipe thread gauge for measuring the pitch diameter of threaded pipe and determining the taper on the inner and outer sides of the threaded ends of the pipe comprising: an elongated rail, a fixed blade block assembly mounted on the rail, a second blade block assembly slidably mounted on the rail and movable relative to the fixed blade block assembly, thread-engaging blades mounted on both the fixed and sliding blade block assemblies, set screws mounted in the second blade block assembly for engaging apertures provided in the rail at selected locations therealong for locking the slidable blade box assembly at such locations, and a digital read-out to visually display measurements of pitch diameter and/or taper.

REFERENCES:
patent: 1335004 (1920-03-01), Lehigh
patent: 2874475 (1959-02-01), McGaffey
patent: 3090126 (1963-05-01), Kernoski
patent: 4189843 (1980-02-01), Baldwin
patent: 4238885 (1980-12-01), Lendi et al.

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