Gauge for measuring threads of varying pitch

Details Gauge for measuring threads of varying pitch Gauge for measuring threads of varying pitch

1990-05-11

1993-04-06

Haroian, Harry N.

Geometrical instruments

Gauge

Screw thread

33545, G01B 336

Patent

active

051991756

ABSTRACT:
A gauge which is constructed to measure a thread of varying pitch, and which includes a threaded gauge element adapted to be screwed into engagement with the thread of varying pitch and to a point at which the threads have a light binding relationship resisting further advancement of the threads together, in combination with a dial indicator adapted to indicate the position at which the binding of the threads occurs as a measurement of the thread of varying pitch. The device may include a second element which is shiftable axially relative to the threaded gauge element to a position limited by engagement with the part containing the thread of varying pitch, with the dial indicator being responsive to and adapted to indicate the relative positioning of the two elements.

REFERENCES:
patent: 1714780 (1928-05-01), Hartness
patent: 1829797 (1931-11-01), Hartness
patent: 1875872 (1932-09-01), Hoke
patent: 1875899 (1932-09-01), Thomson
patent: 1877307 (1932-09-01), Hartness
patent: 1905705 (1925-04-01), Hartness
patent: 2412781 (1946-12-01), Parr
patent: 2556564 (1951-06-01), Troedson
patent: 2680301 (1954-06-01), Steczynski
patent: 2835046 (1958-05-01), Gulyban
patent: 2883760 (1959-04-01), Ericksson
patent: 3015892 (1962-01-01), Stuart
patent: 3057072 (1962-10-01), Kohlmeier
patent: 4213247 (1980-06-01), Romine
patent: 4216585 (1980-08-01), Hatter
patent: 4417402 (1983-11-01), Hattan
patent: 4519144 (1985-05-01), Larsen
patent: 4530158 (1985-07-01), Chauquet
patent: 4934059 (1990-06-01), Green
"The MTG System Of Internal Gaging" published by MTG, Inc. in 1981, pp. 1 through 12.
"Tri-Roll Thread Comparators And Thread Roll Snap Gages" published by Southern Gage Co. Jun., 1979, pp. 1 through 12.

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