US Patent: 455,859
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| Tap Wrench
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Patentee:
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| Albert J. Smart (exact or similar names) - Greenfield, MA |
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Patent Dates:
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| Applied: |
Mar. 07, 1891 |
| Granted: |
Jul. 14, 1891 |
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Patent Pictures:
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Albert J. Smart patent July 14, 1891 |
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Stan Schulz
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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. |
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