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US Patent: 29,360
Making Metal Tools
Machine for Heading Screw-Wrench Blanks
Loring Coes - Worcester, MA
Aury Gates Coes - Worcester, MA

USPTO Classifications:

Tool Categories:
woodworking machines : specialty machines : tool making machines
wrenches : wrench components : wrench handle components
wrenches : wrench components : wrench jaw components


L. & A.G. Coes - Worcester, MA

H. C. Rice
J. Henry Hill

Patent Dates:
Granted: Jul. 31, 1860

Patent Pictures: [ 1 | 2 ]
L. & A.G. Coes Wrench-Heading Machine (Pat. July 31, 1860)
USPTO pdf tiff
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The patent describes a machine for forming and heading the blanks of screw wrenches. It incorporates a clamp to grip the shank of a wrench bar, a drop-forging hammer to shape the head, and a shear provision to clip off the excess metal. It relates to screw wrenches manufactured by Loring and Aury G. Coes

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