Gage for measuring outer diameters

Details Gage for measuring outer diameters Gage for measuring outer diameters

1992-03-10

1992-11-24

Haroian, Harry N.

Geometrical instruments

Gauge

Screw thread

3350105, 33805, G01B 340

Patent

active

051651769

ABSTRACT:
An improved gage for measuring the diameters of threaded members comprises a frame having two platforms extending therefrom, and a support member mounted to the frame for receiving threaded members to be measured. A gage member having a plunger is mounted to a first platform, a measuring shaft is mounted to a second platform, and a lever arm is pivotally mounted on a fulcrum member mounted to the frame. A first end of the lever arm is in contact with, but not physically attached to, an end of the measuring shaft. A second end of the lever arm is in contact with, but not physically attached to, an end of the plunger of the gage member. A mechanical relationship is defined between the plunger of the gage member, the measuring shaft, and the pivotally mounted lever arm that permits the gage member to directly measure the diameter of the threaded object.

REFERENCES:
patent: 1152761 (1915-09-01), Provost
patent: 1238714 (1917-08-01), Miller
patent: 1290434 (1919-01-01), Walter
patent: 1499730 (1924-07-01), Hanson
patent: 1840538 (1932-01-01), Simmons
patent: 2332229 (1943-10-01), Jelley
patent: 2521428 (1950-09-01), Vizuete
patent: 2557073 (1951-06-01), Brink
patent: 4947327 (1990-12-01), Greenslade

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