US Patent: 152,347 - Skew Back Handsaw


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US Patent: 152,347

Improvement in Handsaws
Skew Back Handsaw

Patentee:

Henry Disston (exact or similar names) - Philadelphia, PA

USPTO Classifications:

30/166.3

Tool Categories:

woodworking tools : handsaws

Assignees:

None

Manufacturer:

Henry Disston & Sons - Philadelphia, PA

Witnesses:

Wm. H. Wright

C. T. Shoemaker

Patent Dates:
Applied:	Feb. 23, 1874
Granted:	Jun. 23, 1874

Patent Pictures:

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"Vintage Machinery" entry for Henry Disston & Sons

Description:

Skew back handsaw. Changing the back from straight to skew reduces vibration of the saw and it makes the saw less likely to jar the operator causing kinks.