US Patent: 2,962,128 - Mechanism for preventing reverse motion of electric motor shafts


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US Patent: 2,962,128

Mechanism for preventing reverse motion of electric motor shafts

Patentee:

Frederick O. Luenberger (exact or similar names) - Los Angeles, CA

USPTO Classifications:

188/82.84, 192/44

Tool Categories:

electrical devices : electric motors

Assignees:

U. S. Electrical Motors, Inc. - Los Angeles, CA

Manufacturer:

U. S. Electrical Motors, Inc. - Los Angeles, CA

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 04, 1957
Granted:	Nov. 29, 1960

Patent Pictures:

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Vintage Machinery entry for U.S. Electrical Mfg. Co. | U.S. Electrical Motors, Inc.

Description:

This patent covers an anti-reverse mechanism for a vertical-shaft pump motor for use in water wells and oil wells. In these applications, allowing the motor to reverse, e.g., on power failure, could damage the motor.