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Outline of Mechanism Driveline
(A) Up and down movement of needle bar, movement of thread take-up lever and
zigzag movement of needle bar mechanism
Needle bar crank
Needle bar
crank rod
Needle bar
block shaft
Needle bar block
Needle bar
Needle
Needle bar crank
Needle bar block
Needle bar
supporter
Needle
Thread take-up
counter weight
Needle bar
supporter
Upper shaft gear
Pattern cam
Thread take-up
counter weight
Upper shaft
Z finger frame
Needle bar crank rod
Needle bar block shaft
Zigzag connecting rod
Needle bar
1 - 3
Main motor
Motor belt
Timing pulley
Upper shaft
Upper shaft gear
Pattern cam
Selecting cam
Z finger frame
Zigzag
connecting rod
Timing pulley
Pulley
Selecting cam
Motor belt
Main motor
Pulley
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