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

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

Tool Categories:
metalworking machines : metal lathes : screwcutting lathes

Assignees:
None

Manufacturer:
Hendey Machine Co. - Torrington, CT

Witnesses:
Theodore G. Hoster
C. Sedgwick
Charles Nida

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

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Hendey Machine Co.
Description:
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)

Abstract:

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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