US Patent: 2,960,893 - High-speed, sensitive drilling attachment


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US Patent: 2,960,893

High-speed, sensitive drilling attachment

Patentee:

William Ferdinand Ocenasek (exact or similar names) - Miami, FL

USPTO Classifications:

408/128, 408/236, 474/133

Tool Categories:

metalworking machines : drilling and boring : drill presses

metalworking machines : drilling and boring : drill presses : drill press accessories

woodworking machines : wood drilling and boring : drill presses

Assignees:

None

Manufacturer:

Rockwell Mfg. Co. - Pittsburgh, PA

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 25, 1957
Granted:	Nov. 22, 1960

Patent Pictures:

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Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.

Description:

The patent number was listed in a 1965 catalog of machinery from Rockwell Mfg. Co. The invention is a sensitive drill implemented as an accessory to a conventional large drill press, which allowed drilling a range of hole sizes without having to move the workpiece to a different drill press.