US Patent: 903,495 - Coping-Saw Frame


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US Patent: 903,495

Coping-Saw Frame

Patentee:

William J. Parsons (exact or similar names) - Montague, MA

USPTO Classifications:

30/509

Tool Categories:

woodworking tools : handsaws : coping saws

Assignees:

Millers Falls Co. - Millers Falls, MA

Manufacturer:

Millers Falls Co. - Millers Falls, MA

Witnesses:

K. E. Nichols

Earle A. Brown

Patent Dates:
Applied:	Mar. 26, 1908
Granted:	Nov. 10, 1908

Patent Pictures: [ 1 | 2 | 3 | 4 ]

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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.