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US Patent: 1,136,618
Pliers and Like Gripping Tool
Patentee:
Arthur Samuel Francis Robinson - Beccles, Suffolk England

USPTO Classifications:
81/382, 81/383, 81/391, 81/407

Tool Categories:
pliers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. R. Peck
Allen E. Peck
Alfred Hevens
W. E. Rogers

Patent Dates:
Applied: May 04, 1914
Granted: Apr. 20, 1915

Patent Pictures:
A. S. F. Robinson patent April 20 ,1915
USPTO pdf tiff
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Description:
The jaws are pivoted to each other; ratchet-like racks hold the jaws in parallel through a range of sizes. Spring tension holds the rack notches in engagement with pins on the respective jaws.

A summary description of the patent appeared in a 1915 issue of AMERICAN ARTISAN and HARDWARE RECORD.

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