Opening and closing assisting mechanism for a folding knife

  • US 6,397,476 B1
  • Filed: 08/25/2000
  • Issued: 06/04/2002
  • Est. Priority Date: 03/10/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A knife comprising:

  • a blade pivotally mounted to a handle, the blade defining a plane of travel relative to the handle as the blade pivots into and out of the handle;

    a spring operatively connected between the handle and the blade to assist in the opening of the blade, wherein the spring operates on the blade through a cavity formed in the handle, the cavity extending parallel to and spaced outwardly from the plane of travel of the blade; and

    a lining interposed between the cavity and the blade, thereby at least partially enclosing the cavity.

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