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US Patent: 549,006
Screw Cutting Lathe
Wendell Phillips Norton - Torrington, CT

USPTO Classifications:
82/132, 82/140, 82/153

Tool Categories:
metalworking machines : metal lathes : screwcutting lathes


Hendey Machine Co. - Torrington, CT

Theodore G. Hoster
C. Sedgwick
Charles Nida

Patent Dates:
Applied: Jan. 25, 1895
Granted: Oct. 29, 1895

Patent Pictures:
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"Vintage Machinery" entry for Hendey Machine Co.
This patent is for the Automatic Stop Rod Mechanism which allows for turning, boring and threading to a shoulder or in a blind holes. With the micrometric adjusting screw located on the apron, the feed can be stopped within very close limits. (This information courtesy of Hendeyman)


The object of the present invention is to provide certain new and useful improvements in screw-cutting machines whereby the movement of the carriage is automatically arrested.

The invention consists in the combination, with the reversing-rod under the control of the operator, of 'an auxiliary slidable rod provided with adjustable stop-collars adapted to be alternately engaged by the carriage, a lever connected with the said reversing-rod and auxiliary rod,and a clutch mechanism actuated by the said lever and adapted to be alternately connected byoppositely-driven reversing-gears with the driving-shaft.

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