Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 83,554
Screw Threading Machine
Improved Screw Cutting Lathe
Patentee:
Henry F. Shaw - West Roxbury, MA

USPTO Classifications:
82/110

Tool Categories:
metalworking machines : metal lathes : screwcutting lathes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank G. Parker
A. Hun Berry

Patent Dates:
Granted: Oct. 27, 1868

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The nature of my invention consists in connecting, with the tool-carnage of a screw-cutting lathe, a lever, which is operated by a nut running on the actuating screw of the lathe, the lever being so arranged, in combination with the nut of the actuating-screw, that its length may be changed at will, thus regulating the relative speed of the tool-carriage, and consequently the pitch of the screw being cut.

Copyright © 2002-2017 - DATAMP