US Patent: 997,156 - Adjustable Alligator Wrench


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US Patent: 997,156

Adjustable Alligator Wrench

Patentee:

Edward H. Smith (exact or similar names) - Aberdeen, WA

USPTO Classifications:

81/111, 81/118

Tool Categories:

wrenches : alligator wrenches

Assignees:

Edward H. Smith - Aberdeen, WA

Henry C. Inenfeldt - Menomonie, WI

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jan. 12, 1911
Granted:	Jul. 04, 1911

Patent Pictures:

Edward H. Smith patent July 4, 1911

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Description:

A lobed wheel with an off-center pivot point (or a set screw) acts as the adjustment mechanism for a spring-loaded swinging toothed jaw of an alligator wrench.

The HURLEY adjustable alligator wrench (based on pat. no. 1,123,880 used a similar off-center pivoted wheel adjustment.