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US Patent: 278,094
Micrometer Gage
Patentee:
George W. Church (exact or similar names) - Roseville, Essex County, NJ

USPTO Classifications:
269/245, 269/249, 269/307, 269/90, 33/806

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
None

Manufacturer:
George W. Church Co. - New York, NY

Witnesses:
C. Sedgwick
H. A. West
John M. Deemer

Patent Dates:
Applied: Feb. 17, 1883
Granted: May 22, 1883

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 | 6 ]
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Description:
Abstract:

The object of my invention is to provide a micrometer-gage in which the measuring-bar io may be forced against the object to be measured, always with a certain uniform pressure, thereby rendering the instrument more accurate than heretofore.

Claim:

The circular-scale D, attached to the bar E, and having the teeth b, in combination with the knob F, spring d, and screw f, the knob having the teeth c.

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