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US Patent: 1,525,265
Headstock Construction
Patentee:
Constant Bouillon - Torrington, CT

USPTO Classifications:
82/142

Tool Categories:
metalworking machines : metalworking machine mechanisms
metalworking machines : metal lathes : engine lathes
metalworking machines : milling machines

Assignees:
Hendey Machine Co. - Torrington, CT

Manufacturer:
Not known to have been produced

Witnesses:
C. F. Wesson

Patent Dates:
Applied: Oct. 15, 1921
Granted: Feb. 03, 1925

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

The object of this invention is to improve the construction of headstocks of machine tools, such as lathes and milling machines. To this end, the invention consists of a headstock carrying the usual bearings, a spindle fitted therein7` a face gear keyed or fitted to turn with the spindle but so as to permit axial adjustment between the spindle and gear, a bearing sleeve keyed or fitted to turn with the spindle but so as to permit axial adjustment between the spindle and sleeve, a driving pulley and connected pinion fitted to turn on said sleeve and means for adjusting said spindle axially. This construction is particularly adapted for use in back geared headstocks and particularly where the machine tool with such headstock is used as an instrument of precision.

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