Compound hinge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6564428
APP PUB NO 20020004969A1
SERIAL NO

09759650

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A compound hinge system includes a first link and a second link. The first link includes knuckles and arcing engaging surfaces next to stop portions that are configured for receiving engaging lug portions on a second link member. A second link member includes first and second sets of knuckles. One of the sets of knuckles cooperates with a hinged pin to pivot relative to the first link while the second set of knuckles receives a hinge pin to pivot relative to the second element. The lugs slide relative to the engaging surface and push against the stop portions to flex them outward and require additional force to move between various stops in the range of motion.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HOFFMAN ENCLOSURES INC2100 HOFFMAN WAY ANOKA MN 55303

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Klinger, Clifford A Minneapolis, MN 2 66
Nepsha, William J Blaine, MN 8 111
Polzin, Wallace H Ramsey, MN 1 38
Richard, John E Rogers, MN 4 98
Schinzel, Craig E Ramsey, MN 3 105
Thibodeau, Marvin J Elk River, MN 1 38

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