US Patent: 791,767 - Push-drill


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US Patent: 791,767

Push-drill

Patentee:

Zachry T. Furbish (exact or similar names) - Philadelphia, PA

USPTO Classifications:

74/127

Tool Categories:

woodworking tools : hand drills

Assignees:

North Brothers Manufacturing Co. - Philadelphia, PA

Manufacturer:

North Brothers Manufacturing Co. - Philadelphia, PA

Witnesses:

William A. Barr

Joseph H. Klein

Patent Dates:
Applied:	Sep. 22, 1903
Granted:	Jun. 06, 1905

Patent Pictures: [ 1 | 2 ]

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Description:

This patent and adds a spring tension adjustment, depending on the size of the bit used. Sold as the Yankee #44. See Patent814529 for improvements to this Patent.