Geometrical instruments – Area integrators – Electrical
Patent
1980-01-14
1983-01-11
Martin, Jr., William D.
Geometrical instruments
Area integrators
Electrical
33172R, 33412, 2481231, G01B 330
Patent
active
043675948
ABSTRACT:
An alignment apparatus system for aligning coupled shafts, for example between a motor and a driven device, which comprises an alignment fixture, alone and in combination with one or more of an adjustable fixture post or a sag remover. Basically, the alignment fixture comprises an extendable radial arm and a laterally extending arm, which is axial to shaft being aligned, on which a dial indicator is mounted distal to the radial arm. The alignment fixture is mounted to one shaft and the dial indicator contacts the other shaft or a rigid coupling hub mounted thereon and the misalignment is determined and corrected in the usual manner. In some instances, the dial indicator cannot contact the second shaft and the fixture post which extends radially from the second shaft provides the contact point for the dial indicator. In some instances, the laterally extending arm of the fixture is so long that it sags excessively when the vertical alignment is made. To compensate for this sag, the sag remover is connected to the arm and by a counterweight removes the sag which has the principal advantage of retaining measuring capacity of the dial indicator.
REFERENCES:
patent: 2656607 (1953-10-01), Harding
patent: 3176403 (1965-04-01), Meyer
patent: 3525158 (1970-08-01), Torlay
patent: 3631604 (1972-01-01), Schenavar
patent: 3664029 (1972-05-01), Glucoft et al.
patent: 3733706 (1973-05-01), Blohm
patent: 3789507 (1974-02-01), Murray, Jr.
patent: 3849857 (1974-11-01), Murray, Jr.
Jackson, The Oil and Gas Journal, Mar. 11, 1974, pp. 124-130.
Murray, Jr. Reprint from Hydrocarbon Processing, Oct. 1974.
Mung, J. Reprint from Hydrocarbon, Jan. 1979.
Johnson Kenneth H.
Martin, Jr. William D.
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