US Patent: 2,305,128 - Variable speed feed mechanism


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US Patent: 2,305,128

Variable speed feed mechanism

Patentees:

Willard E. Gerbing (exact or similar names) - Chicago, IL

Lorenz J. Andresen (exact or similar names) - Chicago, IL

USPTO Classifications:

222/287, 74/119, 74/143, 74/148, 74/42

Tool Categories:

industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms

Assignees:

Combustion Engineering Co. - New York, NY

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 06, 1939
Granted:	Dec. 15, 1942

Patent Pictures:

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Vintage Machinery entry for Gerbing Mfg. Co.

Description:

Of interest primarily because co-inventor Willard Gerbing went on to establish Gerbing Mfg. Co., makers of a variable-speed drive mechanism. This particular variable-speed mechanism was intended for feeding material into a mill for grinding.