Oki 4M - Manual (Page 26)

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2.5.1 Explanation of Each Process Operation
(1) Hopping
As shown in the figure below, the clutch for hopping is turned on/off according to current ON/
OFF to a coil.
When the clutch is OFF
When the clutch is ON
When the clutch is on, the hopping gear engages with the clutch plate to rotate the hopping
roller.
When the clutch is off, the hopping gear is separated from the clutch plate by the spring for
resetting, disabling the rotation of the hopping roller.
Coil
Hopping gear
Spring for resetting
Clutch plate
Magnetic
substance plate
Pin
Engagement section
Hopping shaft
Hopping roller
Clutch plate
Hopping gear