Torsional flexing energy absorbing blade lock

United States of America Patent

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Jun 11, 2013
Grant Date
Jul 21, 2011
app pub date
Jan 19, 2010
filing date
Jan 19, 2010

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Abstract

A lock for constraining blades in a hub includes a flexible ring for constraining the blades from moving axially in the hub, a finger attached to the hub for preventing the ring from rotating relative to the hub and whereby the ring flexes about at least a partial circumference thereof if urged axially by the blades.

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Patent Owner(s)

Patent Owner	Address
RTX CORPORATION	10 FARM SPRINGS ROAD FARMINGTON CT 06032

International Classification(s)

F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Anderson, Carney R	East Haddam, US	19	93
Tomeo, Peter V	Middletown, US	16	75

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Torsional flexing energy absorbing blade lock

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United States of America Patent

12689423

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PATENT NO	8459954
APP PUB NO	20110176925A1
SERIAL NO	12689423
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 11, 2013	US,8459954,B2 US8459954B2	GRANTED PATENT AS SECOND PUBLICATION
July 21, 2011	US,20110176925,A1 US20110176925A1	FIRST PUBLISHED PATENT APPLICATION

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12689423

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