US Patent: 519,541
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| Micrometer Gage
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Patentee:
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| Henry McBride (exact or similar names) - New Haven, New Haven County, CT |
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Patent Dates:
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| Applied: |
Jan. 07, 1893 |
| Granted: |
May 08, 1894 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Lavigne Automatic Mfg. Co.
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Description: |
| Earle & Semour-patent attorneys
Joseph P. Lavigne owned the Lavigne Micrometer Co. of New Haven, CT.
Abstract:
My invention relates to an improvement in micrometer gages, the object being to produce a simple, durable, accurate and convenient instrument for inside measurements. With these ends in view, my invention consists in the combination with a graduated, internally threaded, hollow beam of a measuring sleeve fitting over the same, a measuring screw connected with the outer end of the said sleeve, and taking into the open end of the beam, a chuck located at the outer end of the sleeve, and a removable measuring-piece inserted into the said chuck in line with the beam, sleeve, and screw. My invention further consists in certain details of construction and combinations of parts.
Claim:
In a micrometer gage, the combination with a graduated, internally threaded hollow beam, of a measuring sleeve fitting over the same, a measuring-screw connected with the outer end of the said sleeve, and taking into the beam, a chuck located at the outer end of the sleeve, and a removable measuring piece inserted into the said chuck in line with the beam, sleeve and screw.
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