US 7,610,855 B2
	Apparatus and process for transporting lithographic plates to a press cylinder
Dennis M. Burgess, Wayzata, Minn. (US); and William J. Campbell, Minnetonka, Minn. (US)
Assigned to Burgess Industries, Inc., Plymouth, Minn. (US)
Filed on May 22, 2007, as Appl. No. 11/752,254.
Claims priority of provisional application 60/808083, filed on May 24, 2006.
Prior Publication US 2007/0272105 A1, Nov. 29, 2007
Int. Cl. B41F 47/14 (2006.01)

U.S. Cl. 101—477  [101/480]

6 Claims

1. A lithographic plate indexer, comprising a frame, a housing supported in the frame for vertical movement; an elevator coupled to the housing for imparting said vertical movement to the housing; the housing supporting an indexer conveyor therein for receiving lithographic plates on a flight of a horizontally extending endless belt deployed about a first roller journaled in the housing; proximate a plate loading position of the indexer conveyor and a second roller journaled in the housing proximate a plate exiting position thereof; means for driving one of the first and second rollers; and a plate centering assembly including a plate finger pusher mounted to the housing for laterally positioning lithographic plates on the endless belt of the indexer conveyor.