US Patent: 4,929,082 - Laser Linear Distance Measurement System and Apparatus


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US Patent: 4,929,082

Laser Linear Distance Measurement System and Apparatus

Patentee:

George B. Webber (exact or similar names) - Rocky River, Cuyahoga County, OH

USPTO Classifications:

356/498, 356/500

Tool Categories:

metalworking tools : machinist tools : measuring tools : optical measuring gauges

Assignees:

L. S. Starrett Co. - Athol, Worcester County, MA

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 13, 1988
Granted:	May 29, 1990

Patent Pictures:

USPTO (New site tip)
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"Vintage Machinery" entry for L. S. Starrett Co.
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History of the L. S. Starrett Co.
Wikipedia entry for the L. S. Starrett Company

Description:

This patent was assigned to the Webber Gage Division of the L. S. Starrett Co.

Abstract:

A laser linear measurement system wherein a laser beam is generated and directed to an interferometer and reflected by a retroreflector movably mounted on a carriage or other component and adapted to travel forward to a set point, the said retroreflector having means adapted to be fulcrumed to move forwardly or rearwardly on an arc to reflect a parallel beam to the linear measuring interferometer and secure a true linear measurement of an object to be measured.