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US Patent: 1,354,937
Differential gearing
Patentee:
John S. Alcorn (exact or similar names) - New Haven, CT

USPTO Classifications:
475/227

Tool Categories:
transportation : motor vehicles : motor vehicle gearing

Assignees:
John S. Alcorn - New Haven, CT
Charles S. Farquhar - Boston, MA
Robert J. Lynd - Somerville, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 05, 1920

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Alcorn & Ames; Alcorn Machine Co.
Description:
The invention is a type of limited-slip differential that allows normal differential operation when the difference between the speed of the two half-axles is small but which behaves like a solid axle when one of the wheels loses traction, as on a wet or icy patch of road.

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