Spring fastener with highly improved lever/angle pulling force

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United States of America Patent

SERIAL NO

11564840

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A spring fastener engages the rib of a first part, such as a plastic panel for example, like a pillar for example, may be engaged, and they are also suitable to be engaged reversibly in a slot of second part, such as a metal sheet for example, like the frame of a car for example. The spring fastener comprises engagement springs having a peak, engagement regions and-side cuts in the vicinity of the peak, for example within the engagement regions. The side-cuts, of preferably triangular shape, increase the lever/angle pulling force (pulling force applied on the first part and away from the spring fastener, in order to separate the first part from a second part connected together with the spring fastener). According to one embodiment, the fastener comprises barbs with inwardly bent front ends, and the engagement regions further have hindrance portions.

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Patent Owner(s)

Patent OwnerAddress
TERMAX CORPORATION1155 ROSE LAKE ZURICH IL 60047

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dickinson, Daniel James Arlington Heights, IL 63 817
Fleydervish, Mark Buffalo Grove, IL 18 510
Giugliano, Michael Anthony Elgin, IL 6 165
Lowry, Joseph William Libertyville, IL 12 106
Smith, Michael Walter Lake Zurich, IL 49 960

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