Patent ID: 7827891

Claim:
A shears device, comprising: a rolling table having a movable part; a rail-guided drive carriage coupled with the movable part of the rolling table; a U-shaped frame incorporating a vertical base and two horizontal arms that make the frame U-shaped, the arms having first and second sides, the first sides of the arms being connected to the vertical base, the U-shaped frame being mounted on the drive carriage; a transport line extending through the horizontal arms; shears; a drive apparatus arranged on the drive carriage for driving the shears; the shears arranged on the U-shaped frame, the first side of the arms being adjacent the drive apparatus and the second side of the arms being opposite the first side; holding elements provided on the first side and the second side of the arms; blade holders supported by the holding elements, the shears being supported by the blade holders, wherein one of the holding elements on the second side of an upper of the horizontal arms has at least one pressure plate; a drive for moving the drive carriage transverse to the transport line while a work piece is positioned in the transport line; a clamping element arranged adjacent the second side of the arms, the clamping element having congruent gliding plates that overlap the at least one pressure plate; and wherein the clamping element together with the gliding plates is movable along a horizontal path across the at least one pressure plate so that the clamping element and the one of the holding elements are coupled.