US Patent: 455,859 - Tap Wrench


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US Patent: 455,859

Tap Wrench

Patentee:

Albert J. Smart (exact or similar names) - Greenfield, MA

USPTO Classifications:

408/240

Tool Categories:

wrenches : tap wrenches and die stocks

Assignees:

Wiley & Russell Manufacturing Co. - Greenfield, MA

Manufacturer:

Wiley & Russell Manufacturing Co. - Greenfield, MA

Witnesses:

Patent Dates:
Applied:	Mar. 07, 1891
Granted:	Jul. 14, 1891

Patent Pictures: [ 1 | 2 ]

Albert J. Smart patent July 14, 1891

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Description:

Solid frame, with jaw pieces held in place by splines that fit in semi-circular grooves in the frame and jaw sides. The clamping screw also sets inside the solid frame.

Wiley & Russell catalog shows 5 sizes of Green River Tap and Reamer Wrenches based on this design.