4. MECHANICAL DESCRIPTIONS
The mechanisms operate in the order
of
the numbers given in the illustrations.
4-1. Needle bar and thread take-up mechanisms
6
4-2. Lower shaft and shuttle race mechanisms
-~
t
KE-430D, BE-438D
4. MECHANICAL DESCRIPTIONS
1
4504Q
1.
Pulley
2. Upper shaft
3. Thread take-up crank
4. Needle
bar
crank
5. Needle
bar
connecting rod
<5> Thread take-up
lever assy
6. Needle
bar
clamp
<6> Thread take-up support
7.
Needle
bar
1
4505Q
1. Pulley
2. Upper shaft
3. Crank rod assy
4. Rock gear
5. Lower gear
6. Lower shaft
7. Driver
8. Shuttle hook
25
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