US Patent: 2,450,660 - Method of Forming Propeller Hubs


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US Patent: 2,450,660

Method of Forming Propeller Hubs

Patentee:

Gordon W. Hardy (exact or similar names) - Euclid, Cuyahoga County, OH

USPTO Classifications:

29/889.6, 416/244R, 451/51, 82/165

Tool Categories:

transportation : aircraft

Assignees:

Marquette Metal Products Co. - Cleveland, Cuyahoga County, OH

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 15, 1945
Granted:	Oct. 05, 1948

Patent Pictures:

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Description:

Claim:

This invention relates to a method of making hubs for aircraft propellers, and more especially to making such hubs large enough to contain blade pitch controlling and equalizing mechanism for changing pitch during flight.