Patent ID: 8231071
Filing Date: 2012-07-31
Classification: E02F,E04G,Y10T

Abstract:
1. A blade set associated with jaws for demolition equipment, wherein at least one jaw rotates relative to the other jaw about a rotational axis within a common rotational plane, the blade set comprising: a) a bottom blade adapted to be secured to the bottom jaw, wherein the bottom blade has: b) a top blade adapted to be secured to the top jaw, wherein the top blade has: c) wherein the top blade and the bottom blade are symmetric about the rotational plane; d) wherein the top blade and the bottom blade pivot about a common axis; e) wherein, for the raised support rails of the bottom blade, the lengths of the respective blade planar surface segments between recesses are longer than the lengths of the recesses to minimize wear of the blade; and f) wherein, for the raised knife of the top blade, the lengths of the respective blade planar surface segments between recesses are longer than the lengths of the recesses to minimize wear of the blade.