US Patent: 181,422
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| Improvement in Handsaws
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Patentees:
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| Henry Disston (exact or similar names) - Philadelphia, PA |
| Charles T. Shoemaker (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
Apr. 29, 1876 |
| Granted: |
Aug. 22, 1876 |
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Russ Allen.
"Vintage Machinery" entry for Henry Disston & Sons
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Description: |
| A hole thru the blade facilitates a screw/bolt to secure the blade to the back of a backsaw as either a "U" shaped clamp or as part of the frame. Would prevent the blade from working its way out of the metal back as is sometimes encountered with backsaws.
Known example with closed handle but apparently a short lived design. |
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