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US Patent: 560,038
Apparatus For Forming Sliding Jaws For Wrenches
Patentee:
Joseph P. Lavigne (exact or similar names) - New Haven, CT

USPTO Classifications:
76/10

Tool Categories:
tool making : making wrenches
wrenches : wrench components : wrench jaw components

Assignees:
Lavigne & Scott Mfg. Co. - New Haven, CT

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Shumway
Lillian D. Kelsey
Fred C. Earle

Patent Dates:
Applied: Sep. 03, 1895
Granted: May 12, 1896

Patent Pictures:
Joseph P. Lavigne patent May 12, 1896
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Description:
The blanks at the start of the process have previously been forged and shaped into a hollow cylinder with a solid extension on one side.

The patented apparatus comprise a punch, die and former. The former changes the shape of the cylindrical portion to a rectangle. The objective is to form jaw shapes without using milling processes.

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