2.
BASIC MECHANICAL OPERATION OF THE TICKET DISPENSER MODEL
DL1275J.i:
TICKETS ARE MOVED THROUGH THE TICKET CHUTE BY
MEANS OF A POWER DRIVEN ROLLER WHICH
Is
SPRING LOADED
AGAINST AN IDLER ROLLER.
THE POWER DRIVEN ROLLER HAS
TWO NEOPRENE 0 RINGS INSTALLED, AND UNDER NORMAL
OPERATING CONDITIONS ARE THE ONLY CONTACT WITH THE
TICKETS. THE POWER DRIVEN ROLLER IS MOUNTED ON THE
c
OUTPUT SHAFT OF THE MOTOR GEAR TRAIN ASSEMBLY.
THE
MOTOR ASSEMBLY IS MOUNTED TO THE PIVOT BRACKET ASSEMBLY
IN THE TWO OILITE BEARINGS.
THE MOTOR ASSEMBLY HAS A
LIMITED FREE SWING, LIMITED BY A SINGLE PIN ENGAGED IN
THE BRAKE SPRAG.
THE BRAKE SPRAG ENGAGES THE ROLLER AS
AN ANTI THEFT DEVICE.
WITH THE FREE SWING OF THE MOTOR
ASSEMBLY, THE DIRECTION OF TORQUE, WHEN THE ELECTRIC
POWER IS APPLIED,
IS IN A DIRECTION SO AS TO RELEASE THE
BRAKE SPRAG.
WHEN AN ATTEMPT IS MADE TO
PlJLL
TICKETS
FROM THE MACHINE WITH THE POWER OFF, THE T0RQUE IS
REVERSED AND THE BRAKE SPRAG IS ENGAGED.
ALSO, THE
PULLING OF TICKETS WILL CAUSE THE PIVOT BRACKET ASSEMBLY
TO APPLY A PRESSURE TO THE POWER DRIVEN ROLLER AGAINST
THE TICKET AND IDLER ROLLER GREATER THAN THE PRE-SET
SPRING LOAD.
THIS WILL CAUSE THE 0 RINGS TO DEPRESS AND
THE COURSE KNURLED SURFACE OF THE ROLLER WILL THEN GRIP
THE TICKETS.
ONE OUNCE OF PULL WILL APPLY 20 LBS. OF
PRESSURE ON THE ROLLERS.
3.
LOADING OF TICKETS: TICKETS ARE ENTERED IN THE REAR OF
TICKET CHUTE AND PUSHED FORWARD. THE POWER DRIVEN
ROLLER WILL BE SPRING LOADED AGAINST THE IDLER ROLLER
AND TICKETS WILL NOT PASS UNTIL THE ROLLERS ARE CLEAR OF
EACH OTHER.
THIS IS ACCOMPLISHED BY USE OF THUMB AND
INDEX FINGER, ONE PLACED ON THE BLOCK TO WHICH THE
SPRING IS ATTACHED, THE OTHER. ON THE PIVOT BRACKET
ASSEMBLY, THEN SQUEEZE. PUSH THE TICKETS THROUGH UNTIL
YOU SEE THE EDGE OF THE TICKET.
ALIGN THE NOTCH IN THE
CENTER OF THE OPTIC SENSOR.
4. TICKET DISPENSER CONTROLLER BOARD: ATTACHED TO THE
TICKET MACHINE IS A TRANSISTOR MOTOR CONTROLLER WHICH
PROVIDES DYNAMIC BRAKING TO ENSURE ACCURATE AND
REPEATABLE TICKET STOPPING AFTER ISSUING ANY NUMBER OF
TICKETS.
INCLUDED AS PART OF THE CONTROLLER IS TICKET
SENSING BY MEANS OF AN
OPT0
BEAM BREAKER SENSOR.
ALSO
INCLUDED IN SIGNAL CONDITIONING WHICH PROVIDES HIGH
ELECTRICAL NOISE IMMUNITY.
THE OUTPUT OF THE TICKET
SENSING CIRCUITRY IS THE EQUIVALENT TO A SINGLE POLE
DOUBLE THROW SWITCH.
5. ROLLER TENSION SPRING: THE ROLLER TENSION SPRING KEEPS
CONSTANT TENSION ON THE TICKETS, WHICH INSURES
PROPER
DELIVERY AND PREVENTS TICKETS FROM BEING PULLED THROUGH
WHEN THE DISPENSER IS IDLE.
TO INCREASE TENSION, LOOSEN
SCREW AND MOVE SPRING FORWARD. TENSION IS ADJUSTED
CORRECTLY WHEN THE TICKETS CANNOT BE PULLED FROM THE
DISPENSER.
6. TICKET GUIDE SPRING: THE TICKET GUIDE SPRING INSURES
THAT THE NOTCHES IN THE TICKETS PASS THROUGH THE
OPT0
4
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