Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 326,876
Ratchet-Wrench
Patentees:
Ludwig Kramer - New York, NY
August Eikhoff - New York, NY

USPTO Classifications:
74/156, 74/577R, 81/177.85, 81/185, 81/61

Tool Categories:
wrenches : wrench components : wrench sockets
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Miller
Otto Hufeland
W. Hauff
E. F. Kastenhuber

Patent Dates:
Applied: Jun. 15, 1885
Granted: Sep. 22, 1885

Patent Pictures:
L. Kramer and A. Eikhoff Pat. Sept. 22, 1885
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The frame is open on one side; the ratchet head is held in the frame by the spring which serves as the pawl. Interchangeable heads are held in place by a retaining clip screwed to the socket shank. This clip will clear the sides of the hole through the ratchet head when aligned diagonally.

Copyright © 2002-2017 - DATAMP