Patent ID: 7341315
Filing Date: 2008-03-11
Classification: E04G

Abstract:
1. An apparatus for removing coverings laid on even surfaces, comprising: (a) a support frame for mounting driving wheels about a rotational axis and for accommodating a motor and a gear for driving the driving wheels in a working direction, (b) at least one support element arranged behind the driving wheels in the working direction, (c) a motor-driven separating knife, wherein for the movement of the apparatus opposite to the working direction the driving wheels are arranged for lifting off by tilting the support frame onto the at least one support element, and (d) supporting plates each being provided in the area of a respective driving wheel and being relatively movable to the support frame, wherein the motor-driven separating knife is fixed on the supporting plates and wherein each supporting plate comprises at least two pins arranged at the same distance toward the center of the axis of the driving wheels and engaging oblong holes formed in the support frame and having the shape of the segment of a circle for limiting the relative movement between the support frame and the supporting plates.