G - Physics – 01 – B
Patent
G - Physics
01
B
33/145
G01B 3/14 (2006.01) G01B 5/16 (2006.01)
Patent
CA 1254380
ABSTRACT A probe assembly for use in a thread measurement tool to measure thread height error automatically when the tool is installed on the thread. The thread has a crest portion and a trough portion and the assembly has a trans- ducer with a case and core where the relative positions of the case and core generate a signal indicative of the measurement. The probe assembly comprises a mounting for mounting the transducer case for movement towards and away from the thread. A probe collar is attached to the case and has a portion thereof which seats itself on the crest portion of the thread. A probe tip is attached to the transducer core for movement relative to the collar which seats itself into the trough portion of the thread whereby the relative positions of the probe tip and probe collar determine the relative positions of the transducer core and transducer case for automatically generating a signal representative of the thread height error.
563205
Storace Anthony
Yannella Albert V.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Tuboscope Vetco Canada Inc.
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