B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 5/08 (2006.01) B65H 5/14 (2006.01)
Patent
CA 2149971
A device for controlling the gripping action of grippers on plate-like workpieces, at the end of a feeding table of a machine that processes such workpieces, and more specifically for controlling the upper mechanisms for positioning respectively the gripper bar (60-67), the sheet pulling-down appliance (60, 68, 69), the stops-carrying plate (90-94) and the mechanism for opening the grippers. This device includes, slightly underneath the downstream edge of the feeding table, a horizontal shaft (30) arranged crosswise to the sheet travelling direction, which oscillates through a predetermined angle driven by a single lower lateral device consisting of a cam, a lever and a pull handle. Each lateral end of this common shaft (30) carries a symmetrical series of articulated arms and/or of cams (20), each lateral pair of cams (20) or arms actuating respectively an upper mechanism.
Bobst S.a.
Smart & Biggar
LandOfFree
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