US Patent: 218,280 - Improvement in clamping-pieces for insertable saw-teeth


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US Patent: 218,280

Improvement in clamping-pieces for insertable saw-teeth

Patentee:

Andrew Krieger (exact or similar names) - Pittsburgh, PA

USPTO Classifications:

83/842

Tool Categories:

woodworking machines : circular saws : insertable saw teeth

woodworking machines : machine and tool cutters : insertable saw teeth

Assignees:

None

Manufacturer:

James Ohlen & Sons - Columbus, OH

Witnesses:

T. F. Lehmann

Clarence Burleigh

Patent Dates:
Applied:	Jun. 19, 1879
Granted:	Aug. 05, 1879

Patent Pictures:

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Description:

This patent provides improvements to the inventor's earlier patent 195,699, aimed at reducing the effect of heating of the saw in operation.

A full-page ad in the 1887-02-15 The Wood Worker from James Ohlen & Sons features their "Standard Solid and Inserted-Tooth Circular Saws, Mill, Mulay, Gang, Drag, Cross-Cut and Band Saws". The illustration shows an inserted saw tooth—the "Champion Chisel-Tooth Saw"—bearing the patent dates corresponding to this patent plus patents 248,761 and 315,419.