US Patent: 1,297,257 - Drilling Machine


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US Patent: 1,297,257

Drilling Machine

Patentee:

Herman W. Schatz (exact or similar names) - Norwood, Hamilton County, OH

USPTO Classifications:

74/333, 74/344, 74/377, 74/378, 74/404, 74/842

Tool Categories:

metalworking machines : drilling and boring : drill presses : radial drill presses

Assignees:

American Tool Works Co. - Cincinnati, Hamilton County, OH

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 22, 1917
Granted:	Mar. 11, 1919

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Tool Works Co.

Description:

Claim:

In this latter application a drilling machine is exemplified in which an internal gear and an external gear are received about the spindle for rotating the same, a pair of driving gears being arranged to be placed in cooperative driving relation selectively with the internal gear and the external gear about the spindle, and so arranged in one of the exemplifications of the invention that, assuming the driving gears to be rotating in the same direction, when one of said driving gears is operatively connected with the internal gear, the rotation of the spindle is in one direction, and when the other of the driving gears is in rotative connection with the external gear a out the spindle, the rotation of the spindle is in the opposite direction.