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US Patent: 601,506
Tongs
Patentee:
Canly D. Eames - Worcester, MA

USPTO Classifications:
81/131, 81/411, 81/426

Tool Categories:
wrenches : pipe wrenches
pliers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Theo. G. Hooster
Donn Twitchell
Frank B. Hall
Hollis W. Cobb

Patent Dates:
Applied: Aug. 04, 1897
Granted: Mar. 29, 1898

Patent Pictures:
Canly D. Eames patent March 29, 1898
USPTO pdf tiff
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Description:
A cam-shaped bolt shank and a slot with curved indentations on one edge form the basis for a "slip-joint" size adjustment for the tongs. The patent includes the special gripping features of the jaws.

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