Gauge for coupling component

Details Gauge for coupling component Gauge for coupling component

1988-10-05

1989-11-14

Haroian, Harry N.

Geometrical instruments

Distance measuring

Single contact with a work engaging support

33529, 335551, G01B 514

Patent

active

048798193

ABSTRACT:
A gauge for fittings of the type including a coupling nut having a threaded internal opening and adapted to encircle a cylindrical member and a ferrule positioned on the cylindrical member, the gauge being used for determining the pull up of the ferrule and the swaging of the cylindrical member, includes an indicating unit having a readout for showing whether the swaging of the cylindrical member is within tolerances. A piston is movably mounted on the indicating unit and is operatively connected to the readout. The piston includes a body having a bore and an external threaded area on the body circumferentially of the bore to threadedly engage the threaded internal opening of the coupling nut carried on the cylindrical member. The piston further includes a section within the bore for aligning the cylindrical member with the bore and for limiting the extent of movement of the cylindrical member into the bore. A master is provided for calibrating the gauge. The gauge is used in a method for determining the swaging that a cylindrical member has undergone.

REFERENCES:
patent: 1758271 (1930-05-01), Zitzmann
patent: 2400293 (1946-05-01), Dunn
patent: 2427685 (1947-09-01), Midtlyng et al.
patent: 2667701 (1954-02-01), Davis
patent: 2747289 (1956-05-01), Jenkins
patent: 2807882 (1957-10-01), Lovenston
patent: 3201859 (1965-08-01), Stanley
patent: 3255521 (1966-06-01), Callahan, Jr.
patent: 3287813 (1966-11-01), Lennon et al.
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patent: 3786677 (1974-01-01), Spontelli
patent: 3936945 (1976-02-01), Jevremov
patent: 4283857 (1981-08-01), Graham et al.
patent: 4306448 (1981-12-01), Rohde
patent: 4331019 (1982-05-01), Smith
American Machinist, Jan. 15, 1948, p. 121.

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