US Patent: 2,566,579 - Multiple-speed drill press


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US Patent: 2,566,579

Multiple-speed drill press

Patentee:

Fred L. Nichols (exact or similar names) - Minneapolis, MN

USPTO Classifications:

474/73, 474/79, 474/88

Tool Categories:

metalworking machines : drilling and boring : drill presses

woodworking machines : wood drilling and boring : drill presses

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 08, 1950
Granted:	Sep. 04, 1951

Patent Pictures:

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Description:

This drill press speed-change mechanism uses a jack-shaft and clutch to provide a low-speed range. This low-speed range can be selected or de-selected using a lever on the front of the belt casing.