Patent ID: 6050345
Filing Date: 2000-04-18
Classification: B25H

Abstract:
An ergonomic demolition tool which comprises:a) a jackhammer having a body, a handle attached to the body, a reciprocatingly movable drill bit, and means for operating said drill bit; andb) a lift assist mechanism which includes,i) a carriage fixedly attached to the body of the jackhammer,ii) an elongated frame having a longitudinal axis, the carriage being slidably attached to the elongated frame and movable between upper and lower positions along the longitudinal axis of the elongated frame, the frame longitudinal axis being parallel to the longitudinal axis of the drill bit,iii) a wheeled caster assembly attached to a side of the elongated frame,iv) means associated with the carriage for moving the carriage along the elongated frame between said upper and lower positions, andv) a stabilizing member including a skid limiting member positioned at a bottom end of the elongated frame to inhibit lateral movement of the frame.