Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 348,185
Wrench
Improvement in Stud-Wrenches
Patentee:
John D. Bowman (exact or similar names) - Altoona, PA

USPTO Classifications:
81/111, 81/183, 81/53.2, 81/95

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Richd. J. Child
Joshua Mallack, Jr.
A. B. Swope
A. W. Mechin
Patent Dates:
Applied: Jun. 29, 1886
Granted: Aug. 31, 1886

Patent Pictures:
John D. Bowman patent August 31, 1886
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
A socket to encircle the stud has a slightly angular recess on one side. A gripping cam or multiple cams enter the opposite side of the socket. The patent shows several options for attached handles, or for flat exterior sides to allow the socket to be turned by an open-end wrench.

Corresponding British patent GB-188701396 was registered January 13, 1887.

Copyright © 2002-2025 - DATAMP