Center locator

Details Center locator Center locator

1977-02-25

1979-02-13

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33169C, 33172D, 33366, 33390, B27G 2300, G01B 524, G01C 900, G01C 906

Patent

active

041388240

ABSTRACT:
A precision tool is disclosed herein for locating the center of a workpiece having a shaft detachable coupled to the spindle or chuck of a drill press. Downwardly depending from the shaft is a housing enclosing either an electro-mechanical pendulum or an optical device having a bubble target. A holder is provided for the workpiece so that the workpiece may be positioned until the target lies along the central longitudinal axis of the pendulum or the optical axis whereby the workpiece is centered with respect to the spindle or chuck of the drill press.

REFERENCES:
patent: 2146906 (1939-02-01), Moller
patent: 2366430 (1945-01-01), Benton
patent: 2510475 (1950-06-01), Poer
patent: 2557029 (1951-06-01), Griffin
patent: 2580674 (1952-01-01), Griffin
patent: 3096655 (1963-07-01), Peterson
patent: 3432932 (1969-03-01), Oellerich et al.

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