Patent ID: 9157320
Filing Date: 2015-10-13
Classification: B25B,E02F,E21C,Y10T

Abstract:
1. A tool for removing a chisel from a chisel holder, comprising: a fork-shaped base element including first and second elongated base element portions separated by a space, the base element including a base element support surface defined on the first and second elongated base element portions and facing in a first direction and configured to support the base element directly or indirectly against the chisel holder, the base element and the first and second elongated base element portions being formed in one piece; an actuating member pivotally connected to the base element, the actuating member being pivotable relative to the base element from an initial position, in a direction opposite the first direction and toward the space between the first and second elongated base element portions to a removal position to remove the chisel from the chisel holder the actuating member having a distal end arranged to move on a path aimed between the first and second elongated base element portions as the actuating member moves from the initial position toward the removal position; and a power source including a cylinder-piston system or an electric motor unit mounted on the base element and operably associated with the actuating member to move the actuating member between the initial position and the removal position.