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Outline of
Mechanism
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
B) Movement of feed dog and rotary hook
Needle bar supporter assy
Needle bar
Needle
Z zigzag cam
Z zigzag lever
Z pulse motor
Thread take-up
counter weight
Needle bar crank
Z zigzag lever
Upper shaft
Z zigzag cam
Pulley
Z pulse motor
Thread take-up lever
Needle bar crank rod
Needle bar block
Needle bar
Needle bar supporter
assy
Needle
Pulley
Upper shaft
Needle bar crank
Needle bar crank rod
Thread take-up counter weight
Needle bar block
Feed dog
Outer rotary hook
Timing pulley D
Timing belt
Pulley
Upper shaft pulley
Upper shaft
Vertical adjusting screw
F pulse motor
Feed bar
Feed arm A
Lower shaft
Feed arm b assy
Lower shaft gear
Feed module
Timing pulley D Timing belt
Upper shaft
pulley
Lower shaft
Vertical lever
Lower shaft
gear
Outer rotary
hook
Feed adjuster
Vertical
adjusting screw
F pulse motor
Feed bar Feed dog
Feed arm b
assy
Feed arm A
Upper shaft Pulley