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US Patent: 459,377
Combined Wrench and Gas Pipe Tongs
Patentee:
James G. Lind - Providence, RI

USPTO Classifications:
29/48.5R, 81/100, 81/186, 81/DIG.3

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Daniel W. Fink
Warren R. Perce
Saml. W. Fink

Patent Dates:
Applied: Apr. 13, 1891
Granted: Sep. 08, 1891

Patent Pictures:
James G. Lind patent September 8, 1891
USPTO pdf tiff
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Description:
The pivot point for the hook jaw can be shifted so the wrench can be adjusted to fit a range of sizes. The hinge pin with a side slot for a small retaining pin can be pulled aside, and the shank of the hook jaw has a series of holes. The hook jaw is pushed toward the fixed jaw by a leaf spring.

This patent and Lind's July 24, 1906 patent (no. 826,728) were used for the LIND UNIVERSAL WRENCH, produced at Providence, R.I.

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