B - Operations – Transporting – 41 – L
Patent
B - Operations, Transporting
41
L
101/80.1
B41L 27/38 (2006.01) B41F 7/20 (2006.01) B41F 31/30 (2006.01)
Patent
CA 1086564
HOLD-DOWN CLAMP ASSEMBLY FOR UPPER SWINGABLE INKER OF PERFECTING PRESS Abstract Of The Disclosure In an offset printing press the inker is normally clamped down against the printing section so as to transfer ink from the form roll of the inker to the plate cylinder of the printing sec- tion, but upon actuation of an air cylinder to extend the rod thereof, a clamping jaw on the outer end of the rod releases its grip on a latch lever and pushes against the frame of the printing section, thereby incrementally raising the inker and effecting slight separation of the form roll and plate cylinder. Such slight separation is not, however, sufficient to disengage drive mech- anism associated with the form roll and plate cylinder so that the form roll may continue to rotate notwithstanding the slight separation. Substantial separation of the form roll and plate cylinder sufficient to disengage the drive mecha- nism may be effected by leaving the rod of the air cylinder extended so that the jaw on the rod is out of clamping engagement with the latching lever, whereupon raising of the inker by means other than the air cylinder causes the jaw to flip the swingable latch lever to a released position as the cylinder is raised with the inker. A reset lever attached to the latching lever is engaged and operated by the jaw as the inker and air cylinder are lowered back into position, thereby returning the latch lever to its original position where it may be clamped between the movable jaw on the rod and a stationary jaw on the body of the air cylinder so as to once again hold the inker against the printing section.
311524
Didde-Glaser Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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