US Patent: 903,495
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| Coping-Saw Frame
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Patentee:
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| William J. Parsons (exact or similar names) - Montague, MA |
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Patent Dates:
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| Applied: |
Mar. 26, 1908 |
| Granted: |
Nov. 10, 1908 |
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Patent Pictures:
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Jeff Joslin (dm)
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Description: |
| The primary claim of this patent has to do with a fairly complicated draw bolt, nut, and winged key arrangement which allows the back frame to rotate freely relative to the blade and handle when tightened in one position; then locking the blade rigidly in place when tightened in another position. |
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