Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 42,216
Improvement in File Cutting Machines
Patentee:
William T. Nicholson - Providence, RI

USPTO Classifications:
76/16, 76/22

Tool Categories:
woodworking machines : specialty machines : tool making machines
metalworking tools : files

Assignees:
None

Manufacturer:
Nicholson File Co. - Providence, RI

Witnesses:
Benj. F. Thurston
Byron Sprague

Patent Dates:
Granted: Apr. 05, 1864

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
A pawl and ratchet feeding mechanism with the bands operated by the revolution of the main shaft and a movable carriage. The moveable carriage is improved upon in his Patent No. 42,217. Files produced by this machine are covered later under his Patent Nos. 44,443 and 58,025.

Copyright © 2002-2019 - DATAMP