US Patent: 670,799 - Monkey Wrench


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US Patent: 670,799

Monkey Wrench

Patentee:

Frank X. Miller (exact or similar names) - Chicago, IL

USPTO Classifications:

16/111.1, 81/145, 81/177.4, 81/2

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

wrenches : wrench combination tools

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Sep. 22, 1900
Granted:	Mar. 26, 1901

Patent Pictures:

Frank X. Miller patent March 26, 1901

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Description:

The adjustment means for the quick-adjust movable jaw is a spring-loaded toothed plate with a central push button. The main shank of the wrench has a central slot for the shaft of the push button. The handle has a hollow with a latching cap for an oiler or supplemental tool storage.