Geometrical instruments – Gauge – Screw thread
Patent
1978-01-12
1980-01-22
Phillips, Charles E.
Geometrical instruments
Gauge
Screw thread
G01B 338
Patent
active
041842650
ABSTRACT:
A thread gaging tool having a clamp member for rigidly clamping to a pipe end includes an axially sliding assembly coupled to a linear computer input transducer and supporting a pivoted arm provided with a gage pin which is inserted into the pipe thread to precisely measure the distance of each thread wall from the pipe end.
REFERENCES:
patent: 1614448 (1927-01-01), Mensforth et al.
patent: 1864634 (1932-06-01), Bradford
patent: 3537184 (1970-11-01), Hearn
Haefliger William W.
Hydril Company
Phillips Charles E.
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