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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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Report data errors or omissions to steward Jeff Joslin
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.

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