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Machine< of C loss
270
ore
s
ing le
need le,
s ing
le thread, lockstitch
moc
h ines
des
igned
for
tack-
ing
and
sewing
t
wo
and
four hole buttons on c
lot
hing
.
These
machines
sew a
s
ing
le row
of
s
t
itches
parallel
to
the
cyl
inder
when
sewing
two hole
buttons and two
rows of
stitches
para
l
le
l
tc
th
...
cy
linder
w
ith
right
angle
cross
-avec
stitches when sewing fou
r
hole
buttons.
Automat
ic in
operot
ion
1
the
machine
is equipped
with
o
sewing ree
l
which
is
located
inside
t
he hook
body.
Thread
is wound on ree
l
from
upper
thread
supply during the initial needle
pene-
tration.
Th en,
without
o break
in
thread or
interrupt
ion in
mochine cycle,
stitch
formation begi
ns.
Ree
l
thread is passed
t
hrough upper
thread
loop
on
eac
h
success ive
stitch
to fo rm o regula
r
lockst itch.
Thus
on
ly one
threa
d
i
s
required
to
fo
rm
o
complete
sti1ch pattern
and
no stitch
starting
end
s of thread ore
pre
sent.
At
the
end
of
t
he sti
t
ching pattern,
thread
i
s
trimmed
and
excess thread
i
s removed
fro
m reel
and dtown
awoy by
o
s uct ion
type
air pump
.
CEHERAL
CHARACTE RIST
ICS
270-3
1
Mach
ine mak
es
one para
l
le
l
row of
7
otitches
up and
d
own c
yl inder, a
nd
a
tack, 1/4
inch max imum
length.
Th is mach ine
is
fitte
d
with
o
tacking clomp
an
d
o pneumatic starting a nd
clamp
lifting
olevice.
270-33
Mach ine
makes
14
Stitches
.
- • 4 parallel,
2
cross-over,
4
paral
le l, 4
ty ing.
270
-37 Mach ine
makes 1R Stitches •
.
. 6 paral lel,
2
c
ross
-over,
6
pa
rall
e
l,
4 tying.
Button
Sew ing
Mach ines ore fitted with
o
B
utton
Clomp
•••
QCCommodotes
14
to 50 ligne
Ou ttons.
Rotating Hook with Thread Ree
l
••. makes two
revol
ut
ions
to
tach re
volution of
arm shaft.
TENSION
REGULATOR
CYLINDER
COVER
PRE-TENSION
Rota ry Hook Sha ft
•••
driv~::1l
by
$p
irol bevel gear
from
vertical arm
shaft.
Throat
Plate •
•
• e
qui
ppe
d
with sci
ssor
type trim·
ming
mechani
sm
fo
r
cutting thre
ad at
compfetion of
st
itch pattern.
Wor~
P
lot•
•••
if
spec
ified,
at
addit
ional
cost.
Fe
ed Com •
•• contro
l
s
operat
ion of button
clomp,
Safety
lnhrlock
•
••
preven
ts
clomp
from
be
ing
li
fted
when machine
is in operation.
Belt
Guard ••
•
fu
ll
y
enc
lose
s driving belt and
stop
motion
device.
PULL-OFF
L
OOP
THREAD GU IDE
lNG
3
ARM COVER
(
SIDE)
FEED
CAM
BEL
T
GUARD
COVER
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