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US Patent: 2,368,151
Lathe carriage drive
Patentee:
William M. McConnell (exact or similar names) - McKeesport, PA

USPTO Classifications:
74/665.0GA, 82/132

Tool Categories:
metalworking machines : metal lathes

Assignees:
Mackintosh-Hemphill Co. - Pittsburgh, PA

Manufacturer:
Mackintosh-Hemphill Co. - Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 17, 1943
Granted: Jan. 30, 1945

Patent Pictures:
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Vintage Machinery entry for Mackintosh, Hemphill & Co.
Description:
Improvements to an earlier design that used clutches to control the operation of threading and rapid-traverse screws on a large engine lathe. The clutches are subject to heavy wear in such a large lathes. The improved mechanism is both clutchless and simpler.

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