Brother International KM-430B Network Users Manual - English - Page 9

Brother International KM-430B Manual

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[J THREAD TRIMMER MECHANISM \_0 0 00 0 O __y 0 • --- I . When power cam rotates one half of a turn in the arrow direction, roller 0 in contact with the cam part ® of 0 power cam 0 is pushed down so that the motion is conveyed via thread trimming link 0 to cam lever Q through driving shaft Q as fulcrum. e 2. Cam lever Q conveys the motion to connecting rod 0 via cam lever shaft 0 as fulcrum to forcibly return movable knife via thread trimming arm B 0, which is connected to thread trimming arm A 0, to a specific e. e position. 3. When roller Q rides on the periphery of knife cam roller holder 0 gets under roller to hold roller 111) there till 4 stitches before the final stitch. e 4. When cam lever claw drops from the periphery of knife came one half into its recess, movable knife s scoops an upper thread loop up and stop before the needle hole: and when work clamp lifter roller shaft disengages from start lever claw Q. power cam 0 rotates one half of a turn and movable knife fies cuts the thread.

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[J
THREAD
TRIMMER
MECHANISM
0
0
0
0
\_0
O
__y
0
•
---
I
.
When
power
cam
rotates
one
half
of
a
turn
in
the
arrow
direction,
roller
0
in
contact
with
the
cam
part
®
of
power
cam
0
is
pushed
down
so
that
the
motion
is
conveyed
via
thread
trimming
link
0
to
cam
lever
Q
through
driving
shaft
Q
as
fulcrum.
2.
Cam
lever
Q
conveys
the
motion
to
connecting
rod
0
via
cam
lever
shaft
0
as
fulcrum
to
forcibly
return
movable
knife
e
via
thread
trimming
arm
B
0,
which
is
connected
to
thread
trimming
arm
A
0,
to
a
specific
position.
3.
When
roller
Q
rides
on
the
periphery
of
knife
cam
e.
roller
holder
0
gets
under
roller
e
to
hold
roller
111)
there
till
4
stitches
before
the
final
stitch.
4.
When
cam
lever
claw
drops
from
the
periphery
of
knife
came
one
half
into
its
recess,
movable
knife
s
scoops
an
upper
thread
loop
up
and
stop
before
the
needle
hole:
and
when
work
clamp
lifter
roller
shaft
e
disengages
from
start
lever
claw
Q.
power
cam
0
rotates
one
half
of
a
turn
and
movable
knife
fies
cuts
the
thread.