US Patent: 519,924
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| Screw Cutting Engine Lathe
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Patentee:
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| Wendell Phillips Norton (exact or similar names) - Torrington, Litchfield County, CT |
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Patent Dates:
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| Applied: |
May 15, 1893 |
| Granted: |
May 15, 1894 |
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Joel Havens
Hendey Machine Co. History
"Vintage Machinery" entry for Hendey Machine Co.
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Description: |
| Earle & Seymour - patent attorneys
This patent was an improvement to his Gearbox patent of March 8, 1892 (#470,591) and concerns the famous Single Tooth Dog Clutch Reversing Mechanism. The Quick Change Gear Box, the Dog Clutch Reversing Mechanism and the Automatic Stop Mechanism re-remained synonymous as the Hendey System until the end of production. (This information courtesy of Hendeyman)
Abstract:
My invention relates to an improvement in screw-cutting engine lathes, and more particularly to the device upon which United States Letters Patent No. 470,591 were granted to me under date of March 8, 1892, the object of my present invention being to produce a device of simple and comparatively cheap construction, having few parts, and not liable to derangement, durable, convenient in use, and adapted to a wide range of adjustment for varying the speed at which its feed screw shaft or lead-screw is driven.
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