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LH4-B800E
1 - 3
1. MECHANISM DESCRIPTION
1-3. Needle zigzag mechanism
1. The operation of the pulse motor
q
is transmitted as reciprocal motion to the zigzag lever
e
via the zigzag
connecting rod
w
.
2. The zigzag lever
e
is secured to the zigzag lever F assembly
r
, and causes the needle bar bracket slide block
t
that is linked onto the end of the zigzag lever F assembly
r
to move in a reciprocal motion.
3. The needle bar bracket slide block
t
is linked to the groove in the needle bar bracket
y
and causes the needle
bar bracket
y
to move in a reciprocal motion.
t
r
e
w
q
y
Содержание LH4-B800E
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Страница 87: ...LH4 B800E 3 32 3 ASSEMBLY ...