Patent ID: 8375590
Filing Date: 2013-02-19
Classification: B26B,Y10T

Abstract:
1. A folding knife, comprising, a handle defined by first and second spaced apart handle halves; a blade rotationally connected between the handle halves, said blade having a cylindrical pivot bore through a tang of the blade and said tang defining a tang surface around the pivot bore, the blade having a radial groove in the tang surface and the blade movable along a rotational path from a closed position to an open position, a bushing extending through the pivot bore and fixed relative to said first handle half, said bushing having a cylindrical body, an open interior and an annular groove extending around a portion of the cylindrical body and opening through the body into the open interior of the bushing; a spring in the bushing, said spring having a first leg extending through the annular groove such that the first leg extends into the radial groove in the tang of the blade during a portion of the rotational path.