US Patent: 459,672 - Micrometer Sheet Metal Gage


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US Patent: 459,672

Micrometer Sheet Metal Gage

Patentee:

Herman V. Bernhardt (exact or similar names) - Brooklyn, NY

USPTO Classifications:

116/290, 33/792, 40/495

Tool Categories:

metalworking tools : machinist tools : measuring tools : micrometers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Theodore G. Hoster

E. M. Clark

Patent Dates:
Applied:	Feb. 24, 1891
Granted:	Sep. 15, 1891

Patent Pictures:

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Description:

The invention relates to measuring-instruments for measuring and calipering sheet metal, wire, and other articles. The object of the invention is to provide a new and improved micrometer which is simple and durable in construction, self-registering, easily manipulated, measures and calipers positively, and with the greatest accuracy, and permits of quickly reading the most minute measurements without further calculation. The invention consists of a screw-rod adapted to actuate a toothed wheel operating a dial-wheel. The invention further consists of a screw-rod connected with and actuating a dial-wheel, a pointer also actuated from the said screw5 rod, and a fixed dial on which the pointer indicates on a graduation representing subdivisions of the graduation of the said dial wheel.