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= Finger Back-and-Forth Motion =
The PC Drum Paper Separator Fingers are moved in the crosswise direction by
the eccentric cam with ratchet when Separator Finger Solenoid is operated.
When the Separator Finger Solenoid is energized, the Actuating Lever is moved
in the direction of arrow C. At this time, pawl D moves over the ratchet one tooth,
which is a given amount of rotary motion of the eccentric cam. When the Separa-
tor Finger Solenoid is deenergized, the Actuating Lever is returned to the original
position (in the direction of arrow E) by the tension of the spring. As a result, pawl
D moves over the ratchet one tooth back. (The ratchet is not turned backward as
it is provided with a lock that prevents the ratchet from turning backward.)
According to the profile of the eccentric cam, the Lateral Movement Plate is
moved as the eccentric cam turns. This results in the Finger Shaft being moved
back and forth over an approx. 9 mm distance. (One complete turn of the eccen-
tric cam is equivalent to one round trip of the fingers.)
Eccentric Cam with Ratchet
Lock Preventing Backward
Rotation of Ratchet
Lateral Movement Plate
Ratchet
E
D
M-111
C
9mm
1075M090AA
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