Importance

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Abstract

A folding knife is provided with a deflectable pivot that provides a varying bias force as the blade is rotated between the closed and open positions. Specifically, the pivot secures the blade to bias members of a handle, and the bias members deform relative to other parts of the handle to allow the pivot to move and to provide the varying bias force. A cam surface on the tang of the blade operatively engages a pin of the handle to control the deflection of the pivot and the bias members. The cam surface and the resulting bias force are arranged to locate and keep the blade in the open or closed positions like a detent mechanism to reduce the likelihood of an unintentional opening or closing of the blade and to improve the safety of the folding knife.

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First Claim