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CxX-175
¢ Heading Operation
(1) A heading solenoid performs attraction in the A
direction, causing a lock arm to turn clockwise
via Larm,
solenoid
lever,
and arm
(A).
The
cam
gear is unlocked.
Notch
of the cam
gear
meshes with the second-stage gear for counter-
clockwise rotation.
The arm (B) is driven clockwise to begin heading
A head base, which is connected with the lever via
spring, operates simultaneously with spring.
(Fig. 15)
(2) Fig. 16 shows
the state
at end of heading
operation.
The cam gear rotates to a full limit and the lock arm
locks the cam gear. This locking is made to prevent
the head base to move backward due to entry of
the play lock arm while heading operation is under
way.
operation. In this heading operation, the arm (B)
turns clockwise to cause a lever to move in the B
direction.
HEAD POSITION
LENOID
LARM
a, SO
—
Ly
HEAD BASE
Q
SOLENOID
[p>
LEVER
Ad.
LOCK ARM
3!
CAM GEAR
ARM (A)
CAM
:
Vo it}.
ALO
X S
=F won
LEVER
lr
S—
B
IDLER GEAR
SPRING
SECOND-STAGE
ARM (B) GEAR
Fig. 15
PLAY LOCK
ARM
Fig. 16
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