US Patent: 169,516
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| Improvement in vises
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Patentee:
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| Amos H. Brainard (exact or similar names) - Hyde Park, MA |
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Patent Dates:
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| Applied: |
Apr. 01, 1875 |
| Granted: |
Nov. 02, 1875 |
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Patent Pictures:
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Carl Matthews
"Vintage Machinery" entry for Brainard Milling Machine Co.
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Description: |
| "My invention relates to improvements in bench-vises; and consists of an elastic steel bar of great vertical extension in proportion to its thickness, which is cast in one piece with the base of the movable front jaw, and made to move freely through a corresponding slot in the rear jaw. The movable jaw is operated by means of a rotary screw-sleeve having a bearing in the movable jaw, which screw-sleeve encompasses a stationary screw-threaded shaft secured to the stationary rear jaw... The advantage of the elastic bar c is that it will yield slightly in a horizontal plane, by which I am able to hold and secure slightly-tapering pieces of work firmer than where rigidly-working jaws are used."The inventor disclaims (i.e., acknowledges the primacy of) patent 65,097, granted 8 years previous to J. H. Lewis.The inventor received several patents for milling machines and gear-cutting machines. These machines were made by Brainard Milling Machine Co. of Hyde Park, MA.From Amos H. Brainard's obituary in the Boston Globe in May 1906: He came to Boston from Newburyport, MA as a young man in the early 1840s, and "became the inventor of the Union Vise, and was the founder of the Union Vise Co. in 1866." The Union Vise Co. was destroyed by fire in 1871 and the "rights of manufacture of the vise was sold to another concern." That concerns was the Backus Vise Co., which in 1873 would become part of the newly formed Millers Falls Co. So, at the time this patent was issued the inventor was running the Brainard Milling Machine Co. |
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