Lock assembly having quick release double fire plate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9290965
APP PUB NO 20140165671A1
SERIAL NO

14105683

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Importance

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Abstract

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A lock assembly includes a mounting fire plate configured for attachment to the door. A first lockset includes a lockset fire plate and a first operator assembly having a first operator handle. The first operator assembly is mounted to the lockset fire plate. At least one fusible link is configured to releasably couple the lockset fire plate of the first lockset to the mounting fire plate. The at least one fusible link is configured to melt during a fire condition to release the lockset fire plate from the mounting fire plate to facilitate a separation of the first lockset including the lockset fire plate from the mounting fire plate and the door by force of gravity.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DORMAKABA USA INC6161 EAST 75TH STREET INDIANAPOLIS IN 46250

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hickman, Chad A Rensselaer, US 15 175

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