MACHINE
BODY
1. Needle
bed
The
needle bed
gu
i
des
the back
and
forth movement
of
the needle
an
d detennlnes the pitch
of
stitches.
2.
Combs
Th
~
combs make sinker loops
of
stitches
and
also make
the
stitches
eve
n.
3. Plain needle
The
plain needle is moved back
an
d forth
by
the cam attached to
the
carriage
In
order
to
make
ne
edle loops.
4. Belt
When the carriage is moved
to
select
the
needle
by
the card,
the
belt
begins
to
tum
and drive the needle selecting mechanism and
also synchronizes the
carria~e
and
needle selecting timing.
S. Needle ltkctOI' plate
The
needle selector
plat
e is m
ad
e
up
of eight pattern plates
of
the
sa
me design which
are
overlapped
with
an
offset
of
one pitch.
It
causes
the
hook
of
the
needle selector plate
to
hook
the
plain
needle shunk when the needle selector plate
co
rresponding
to
an
open
ho
le
in the punched card
Is
moved
to
the right.
6.
Out
ch wheel
The
clutch wheel operates t
he
needle selector mechanism and feeds
th
e punched c
ar
d
by
one
pitch
.
7. Rotary
cam
The rotary cam Is driven
by
the belt and pushes the card reader
(corresponding
to an open hole) to the left. The cam
has
lobes
spac
ed
at
1
/2
4 pit
ch
aro
und the circumference.
I
8.
Cud
feediDg
cam
1
The
card feeding cam is driven
by
the
rotary motion carried
from the
belt
clutch wheeL When
it
is
rotated
~
tum
, the card
feeding lever ro
Uer
rolls over
the
cam lobe, and thus the card
feed
lev~
is made to move
up
and
down.
9.
Cud
reader
releasinal
cam
T
he
card reader releasing cam is rotat
ed
~
tum
by
th
e rotary
motion
of
the
belt
clut
ch
wheel,
and
thus
the
cam lobe
co
mes
in
co
ntact
with the card reader return plate
roU
er.
Whe
n the ro
Uer
moves around the cam lobe, the card reader is forced down
by
the
card
reader return plate.
L
CARRIAGE
I . Plate cam
Three types
of
plat
e cam,
A,
B and C, are
in
use
for the following
purposes:
Plate
cam
B ....
Raises
the plain needle selected for B position
higher than the
comb
.
Plate
cam
A ....
J<e
e
pc
the p
lain
needle held upward
10
that the
needles
In
B position are correctly moved
by
the
feed
hook
I
nto
the
stitch formed
by
the intersect·
ing plain
needlu
.
~late
cam C ..
..
Removes the
int
ersect
in
g plain needle when the
stitch
has moves to the next needle. ·
2.
Feedhook
The
feed
hoo
k carries the plain needle, which is raised by
the
plate
cam,
lo
th
e
next
plain
ne
edle.
3. Leaf spring
The
leaf
spring keeps the needle
latch
open and helps the plain
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