Patent ID: 6810589
Filing Date: 2004-11-02
Classification: B23D,F16F,Y10S,Y10T

Abstract:
A reciprocating shaft and bearing combination for a reciprocating saw comprising:a housing; a first pin fixed to the housing; a reciprocating shaft assembly having a blade holder at a first end thereof for holding a saw blade, the reciprocating shaft assembly moving in a reciprocating motion relative to the first pin and parallel to an axis of motion; the reciprocating shaft assembly also having at least a first bore formed in a second end thereof opposite the first end, the axis of the first bore being formed parallel to the axis of motion and a portion of the first pin being positioned inside the first bore; a shaft bearing fixed to the housing, the shaft bearing surrounding a portion of the reciprocating shaft assembly intermediate the first end and the second end of the reciprocating shaft assembly; and wherein the first pin supports the reciprocating shaft assembly as a bearing during its reciprocating motion.