TAFELSCHERE

摘要

PCT No. PCT/EP90/00521 Sec. 371 Date Nov. 19, 1991 Sec. 102(e) Date Nov. 19, 1991 PCT Filed Apr. 3, 1990 PCT Pub. No. WO90/14190 PCT Pub. Date Nov. 29, 1990.Plate shears for flat workpieces, especially sheet metal, comprise a fixed lower blade (4), an upper blade (6) secured to a vertically movable blade beam (8), a cutting bench (2) arranged in front of the blades, a swivel roller bench (11) comprising several parallel rows of rollers (12) arranged behind the blades, the swivel-roller bench can be swivelled about an axis (D) substantially parallel to the cutting region of the blades and can also be moved back and forth in relation to the blades, and an adjustable stop (3) arranged behind the blades for workpieces to be cut to a given width. Swivelling of the swivel-roller bench downwardly simultaneously lowers the front of the swivel-roller bench which is closer to the lower blade.