| 摘要 |
<p>PCT No. PCT/SU79/00050 Sec. 371 Date Mar. 2, 1981 Sec. 102(e) Date Mar. 2, 1981 PCT Filed Jul. 2, 1979 PCT Pub. No. WO81/00070 PCT Pub. Date Jan. 22, 1981. Plate shears comprise a fixed blade (2) secured on a bed (1), and a movable blade (3) fixed in a blade beam (4). The blade beam (4) is mounted for reciprocation in the direction of shearing in guides (7) of a clamping beam (5) which is permitted turning motion and articulated to the bed (1). The blade and clamping beams (4,5) are set in motion by means of a drive connected therewith through a system of levers (8,9).</p> |
