Door and method of manufacturing

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7526894
SERIAL NO

11710186

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A door can comprise first and second panel sections for mounting to a doorframe for pivoting about an upright door pivot axis. A hinge for coupling the door to the door frame can comprise a spine with an elongated passageway comprising first and second hinge receiving pocket portions. First and second cam members and a biasing spring can be mounted within the hinge receiving pocket portions of the elongated passageway. Upon pivoting of the door about the pivot axis to an open position, the first and second cam members are pivoted relative to one another to create a gap therebetween with the biasing spring urging the first cam member toward the second cam member to urge the door closed following pivoting of the door to the open position.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CHASE INDUSTRIES INC10021 COMMERCE DRIVE CINCINNATI OH 45246

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, Robert J Cincinnati, US 21 110
Eisenlord, Daniel R Bend, US 3 14
Falato, Rory Patrick West Chester, US 6 26
Wollam, Marvin L Redmond, US 4 20

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