The PFAFF 3114 is a special
purpose
sewing
machine which stitches
both
whipstitch
and
purlstitch
buttonholes
with
two
straight
or
taper
bars,
from
—I'/ifi" long/ completely automatically. With equal facility, the ma
chine
makes
eyelet-end
buttonholes
with
one
taper
bar.
Its
range
of
applica
tions
extends
from lightweight to
heavyweight
fabrics
and
includes linen
goods,
tricot
and
knitwear,
sports
and
workwear
garments,
aprons
and
similar
articles;
in
short,
this
versatile
machine
is
used
In
every
case
where
straight
or
eyelet-end
buttonholes
are
to be
made.
An
exclusive
feature
of
the
PFAFF 3114 Is a
bedplate
which is
free
of
any
mechanism
whatsoever.
This large, clear
area
facilitates not only the
handling of the work but
also
the mounting of
attachments,
such as
edge
guides,
gauges
and
tape
guides which
are
used for manipulating knitted
fobrics.
Subclasses
The
various
subclasses
of
the
PFAFF 31 !4
differ
mainly
by
their
feed
cams,
work clamps
and,
in some instances, their
bar
tripping segments (see Table
of Subclasses). When converting machines from one subclass into
another,
note
that
subclasses
1
and
2; 3
and
4; 5, 6
and
12;
as
well
as
7, 8, 9
and
10
use
the
same
feed
cams.
The
various
subclass
machines
use
work
clamps
which
differ
according to the maximum length
of
the buttonhole tiie
res
pective machine mokes. For sewing buttonholes in tricot materials
and
knitted fabrics, we supply a tape guide which is to be mounted on the
bedplate. Upon special request, the machines of this class will be equipped
with collar
and
cuff guides.
In most instances, the size of the
button
is given in lignes, the length
of
the
buttonhole
slot
in
millimeters
or
inches.
40 lignes = 1 inch
(1
inch 25.4 millimeter)
The PFAFF 3114 is
available
In
the
following
varieties:
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