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Roger F Kershaw, 82Laguna Beach, CA

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Laguna Hills, CA   

Newport Beach, CA   

Rancho Santa Margarita, CA   

Irvine, CA   

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Company: Pyr- olex corp Address: 17932 Sky Park Cir Ste B, Irvine, CA 92614 Phones: 714-7314180 Position: President Industries: Optical Instruments and Lenses

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Us Patents

Security Hinge

US Patent:
4564974, Jan 21, 1986
Filed:
Apr 3, 1984
Appl. No.:
6/596395
Inventors:
John F. McGrail - Huntington Beach CA
Roger F. Kershaw - Tustin CA
International Classification:
E05D 1110
US Classification:
16353
Abstract:
A door or cabinet hinge which locks in one position--normally the closed position. It may be locked and unlocked from outside. Operated by a conventional keyed cylinder lock passing through the door and actuating an arm, the device has a lock pin parallel to and spaced outside the hinge pin. The lock pin moves along its axis to slide integral protruding keys into corresponding slots in the knuckles surrounding the hinge pin. In the unlocked position the keys lie entirely in one knuckle, in the locked position they span between knuckles and prevent rotation thereof. A yoke connects the actuating arm to the lock pin.

Isbn (Books And Publications)

Powers Of Persuasion: The Malaysian Media In The Pergau Dam Affair

Author:
Roger Kershaw
ISBN #:
0859589072

Emigrants And Expats: A Guide To Sources On Uk Emigration And Residents Overseas

Author:
Roger Kershaw
ISBN #:
1903365325

Immigrants And Aliens: A Guide To Sources On Uk Immigration And Citizenship

Author:
Roger Kershaw
ISBN #:
1903365627

New Lives For Old: The Story Of Britain'S Child Migrants

Author:
Roger Kershaw
ISBN #:
1905615175

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