Patent ID: 6401342
Filing Date: 2002-06-11
Classification: B26B

Abstract:
A cutting knife for a cutting tool equipped with an oscillatory drive unit, for severing a cement bead of a window pane cemented in a motor vehicle, said cutting knife being formed from a flat material bent into the shape of an U, said cutting knife comprising:a cutting portion forming one leg of said U, a securement portion forming another leg of said U, and an intermediate bridge connecting said cutting portion with said securement portion; wherein said securement portion comprises an opening at a free end thereof for securing said cutting knife to said oscillatory drive unit, and a curved section at another end thereof, said another end opposing said free end and being adjacent said intermediate bridge; wherein said securement portion tapers from said securement opening toward said intermediate bridge; wherein said curved section comprises a concave side edge opposing said cutting portion and having a first radius of curvature; wherein said cutting portion comprises a concave cutting edge arranged on a side facing said opening, said concave cutting edge having a second radius of curvature; said second radius of curvature being larger than said first radius of curvature.