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US Patent: 1,177,738
Process of Assembling Pliers Members
William S. Thomson - Plantsville, CT

USPTO Classifications:
29/437, 29/525.06, 29/526.2, 76/101.1, 76/114, 81/416

Tool Categories:

H. D. Smith and Company - Plantsville, CT

Not known to have been produced

R. W. Edwards
D. R. Edwards
E. H. Galpen

Patent Dates:
Applied: May 27, 1915
Granted: Apr. 04, 1916

Patent Pictures:
William S. Thomson patent April 4, 1916
USPTO pdf tiff
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The main insight in the patent is that a paper shim between bearing surfaces during the pressing and riveting stages of assembling pliers and other pivoted handle tools results in a non-binding joint.

The paper also acts as a temporary adhesive holding the parts together during finishing processes.

The end-cutting pliers shown in the drawings is the subject of pat. no. 1,192,021.

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