Geometrical instruments – Gauge – Surface plate or gauge block
Patent
1992-12-31
1994-11-15
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Surface plate or gauge block
33567, 33784, G01B 330
Patent
active
053635620
ABSTRACT:
An opening clearance measuring tool that functions as a combination taper gauge and parallel gauge includes a wedge-shaped "taper block", a sliding linear scale predisposed to parallel movement along an upper edge of the taper block, and a digital read-out linear scale measuring and display unit that accurately measures a translational displacement of the sliding scale with respect to the taper block and displays the displacement in millimeters. The angle between the upper and lower edge surfaces of the taper block forms the wedge of the tool and defines the particular slope or "taper" for the gauge. The slope is predetermined to incorporate a linear conversion factor between metric and English units so that the display may be used to indicate clearance measurements expressed in mils. The scale measuring and display unit is fixedly secured to the taper block and, as the linear scale slider is moved past (through) the scale display unit, the translational displacement of the slider is measured and displayed. This information may also be provided via electrical connection/communication to an external "data logger" device for further manipulation and storage. The scale slider also includes a set of parallel tapered steps of precise predetermined increments at one end to enable using the tool as a parallel gauge capable of accommodating plural ranges of clearance measurements.
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Cuchlinski Jr. William A.
General Electric Company
Wirthlin Alvin
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