Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 512,911
Tool Holder
Henry Shogren - Portland, OR

USPTO Classifications:
112/80.03, 279/93, 7/167

Tool Categories:
tool holders

Henry Shogren - Portland, OR
Niels J. Blagen - Portland, OR

Not known to have been produced

J. A. Bergstrom
C. Sedgwick
C. E. Yetman
H. M. Coke

Patent Dates:
Applied: Mar. 15, 1893
Granted: Jan. 16, 1894

Patent Pictures:
Henry Shogren January 16, 1894
USPTO pdf tiff
Google Patents
Report data errors or omissions
A series of small tools is held around the perimeter of a split cylinder by a retaining sleeve. The handle turns to tighten or loosen a clamping bolt with a tapered head that wedges a selected tool against the sleeve by spreading the split cylinder.

Copyright © 2002-2019 - DATAMP