Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By laterally or vertically moving successive items in...
Patent
1975-05-20
1976-08-03
Blunk, Evon C.
Conveyors: power-driven
Conveyor system for arranging or rearranging stream of items
By laterally or vertically moving successive items in...
101232, 271204, B65G 1900
Patent
active
039724131
ABSTRACT:
A conveyor for a printing press of the type employing a pair of spaced-apart roller chains guided for movement about an endless path having straight and curved portions. Carried by the chains in spaced positions are gripper frames each including first and second parallel crossbars carrying grippers and pads respectively, with mounting members at the ends of the crossbars. Adjacent pedestals are provided at the inner surfaces of each of the chains with each of the pedestals being secured to adjacent pairs of the pins in the chains. Each pedestal carries an inwardly facing mounting pin. Registering outwardly facing openings are provided in each of the mounting members for receiving the pins on the adjacent pedestals. One of such openings is snugly fitted to its pin to provide limited rocking movement of the mounting member. The other of such openings is widened to provide limited freedom of lateral movement of its pin in the direction of chain movement thereby to accommodate the change in center-to-center distance which occurs as the chains move between the straight and curved portions of their path.
REFERENCES:
patent: 3389657 (1968-06-01), Schwabach
patent: 3786909 (1974-01-01), Reda
patent: 3809210 (1974-05-01), Anderson
Blunk Evon C.
Roland Offsetmaschinenfabrik Faber & Schleicher AG
Valenza Joseph E.
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