公开(公告)号：US3605627A

公开(公告)日：1971-09-20

申请号：US3605627D

申请日：1969-07-23

Applicant: FMC CORP

Inventor： HOMEIER RONALD F ,  SIMMONS WILLIAM A

IPC: B61B10/00 ,  B65G17/42

CPC classification number: B61B10/004

Abstract: A TROLLEY CONVEYOR IS PROVIDED WITH A FLUID OPERATED CODE READING UNIT ADJACENT EACH OF A PLURALITY OF SWITCH GATES ATE MOVABLE TO DIVERT A TROLLEY FROM THE MAIN TRACK TO SPUR TRUCK. EACH TROLLEY CARRIES A DESTINATION CODING OR ESCORT MEMORY UNIT WHICH IS PRESET TO MATCH THE CODE OF ONE OF THE CODE READING UNITS. EACH CODE READIN UNIT HAS ITS OWN FLUIDIC SENSING AND LOGIC CIRCUIT. WHEN THE DESTINATION CODE MATCHES, THE LOGIC CIRCUIT OF THE CODE READING UNIT MOVES THE ADJACENT SWITCH GATE TO DIVERT THE TROLLEY ONTO THE SPUR TRACK.