Folding blade knife with flexible tendon and tension spring actuation

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United States of America Patent

PATENT NO 9132558
APP PUB NO 20150047206A1
SERIAL NO

13969577

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Importance

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Abstract

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A folding knife with a handle and blade connected at a axle pin, with a tension spring within the handle pinned to the handle on one end and pinned to a flexible tendon in the form of a chain on the opposite end. The flexible tendon in the form of a chain is pinned at opposite ends to the spring and the blade at a distance from the blade axle pin. When the blade is folded about the axle pin energy is stored in the tension spring by force transferring from the blade through the flexible tendon in the form of a chain to the spring. When the blade is folded a catch blocks the blade from unfolding, and when the user actuates this blocking catch the stored energy in the tension spring is released thus causing the blade to rotate about the axis point and deploy to the opened position.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Millhouse, Allen Mt. Morris, US 1 2

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