Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 396,689
Wrench
Improved Wrench and Oiler
Patentee:
Alexander L. Duncan (exact or similar names) - Roscoe, NY

USPTO Classifications:
81/124.4, 81/185, 81/2

Tool Categories:
wrenches : wrench combination tools
wrenches : socket wrenches

Assignees:
Thomas L. Lindsay - Roscoe, NY
Alexander L. Duncan - Roscoe, NY

Manufacturer:
Not known to have been produced

Witnesses:
F. L. Ourand
Benj. G. Cowl
Thomas L. Lindsay
Demetrius D. De Silvy

Patent Dates:
Applied: Apr. 16, 1888
Granted: Jan. 22, 1889

Patent Pictures:
Alexander L. Duncan patent January 22, 1889
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
The wrench has two sockets. Each has an interior chuck for a smaller size. Each spring latch releases one chuck to retract to open the larger size. The wrench could be supplied with sets of several sizes of such chucks. The handle is hollow, with a spring-loaded needle valve, forming an oiler.

Copyright © 2002-2024 - DATAMP