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Sept. 24,1946.
0. w. MARTIN.
2,408,025 “
SEWING MACHINE ATTACHMENT
Filed June '7, 1944
CLES
2 Sheet>s—Sheet l
', MARTW.
Attorneys
Sept. 24, 1946. .
c, w. MARTIN‘
2,408,025 '‘
‘SEWING MACHINE ATTACHMENT
Filed June 7, 1944 -
2 Sheets-Sheet 2
an.»R,
Inventor
2,408,025
Patented Sept. 24, 1946
UNITED STATES PATENT OFFICE
2,408,025
SEWING MACHINE ATTACHMENT
Charles W. Martin, Chattanooga, Tenn.
Application June 7, 1944, Serial No. 539,099
6 Claims.
(Cl. 112-447)
2
1
This invention relates to a sewing machine at
tachment of that type designed to fold a strip
of cloth preparatory to stitching the same to the
edge of a garment in the production of collars,
cuffs, waistbands, facings and the like.
The primary object of the present invention
is to provide a sewing machine attachment of
Figure 2 is a top plan view of the attachment,
per se.
Figure 3 is an elevation looking upwardly at
Figure 2.
Figure 4 is any end elevation looking toward
the right of Figure 3, and
Figure 5 is an end elevation looking ‘toward
the left of Figure 3.
,
'
‘
the above kind which is extremely simple and
Referring in detail to the ‘drawings, Figure 1
durable in construction, e?icient in operation, and
otherwise well adapted to meet with the. re 10 shows a power sewing machine 5 having a nee
quirements for a successful commercial use.
dle 6 and a presser foot 1. Threads are suitably
fed in the machine for the stitching operation
Another object of the present inveniton is to
in any well known or preferred manner. In
provide an attachment of the above kind which
using the present invention, a suitable support
is readily adjustable for folding strips of material
of different widths, and which is readily adjust 15 8 may be provided for a reel 9 on which is wound
a strip of material It that is adapted to be fold
able relative to the sewing machine for operat~
ed by the, present attachment preparatory to its
ing most e?iciently in accordance with the par~
attachment to the edge of a garment. Also,
ticular work at hand.
another suitable support H may be provided for
Another object of the present invention is to
a second reel i2 on which is wound a narrower
provide an attachment of the above kind which
strip of material or cloth I3 that may be guided
includes means for guiding a reinforcing strip
by the present attachment between the opposed
between the opposed portions of another wider
portions of the strip it where the‘latter is folded
strip folded by the attachment, which reinforc
by the present attachment, so as to serve as a
ing strip guiding means is adjustable for accom
‘
modating reinforcing strips of various widths cor 25 reinforcement for the folded strip I ll.
The present attachment consists of asupport
responding to the width of the strip being folded.
including a U-shaped bracket ‘M having an elon
A further object of the present invention is
gated intermediate portion and relatively short
to provide an attachment of the above kind which
end or legportions, one of said leg portions being
may be readily moved to inoperative position
when not required for use, which may be read 30 provided, with an extension I5 parallellwith the
intermediate portion of the bracket and aper
ily attached to the sewing machine, and which
tured at 16 for the reception of screws l‘! by
includes a supporting means and strip guiding
means of which the bracket I4 is rigidly attached
and folding means which are readily separable
to the front of the sewing machine 5 so that
so that the latter may be removed when not vre
35 the bracket 14 is disposed horizontally and ter
quired for use.
minates adjacent but to one side of the needle
Still another object of the present invention
6 and the presser foot ‘I, as shown in Figure 1.
is to provide an attachment of the above kind
The support further includes a pair of spaced
which includes an adjustable device for prop
posts l3 whose lower ends are welded ‘or other
erly guiding the folded strip underneath the
wise suitably attached to the inner faces of the‘
presser foot of the sewing machine in position
' legs of bracket 14 and which project upwardly
to be stitched to the edge of the garment.
from the latter._ The upper projecting portions
Other objects and features of the present in
of the posts I8 are provided with aligned open
vention will become apparentfrom the follow
ings which slidably receive a supporting rod is,
ing description when considered in_ connection
and threaded through the upper ends of the posts
with the accompanying drawings, and the in
58 are set screws 28 adapted to impinge the rod
vention consists in the novel form, combination
lg to releasably secure the latter in longitudi
and arrangement of parts hereinafter more. fully
nally‘ adjusted position relative to the posts It.
described, shown in the drawings and claimed.
The end of the rod i9 adjacent the needle 5 and
In the drawings, wherein like reference char
acters indicate corresponding parts throughout
presser foot 1 projects from the adjacent post
the several views:
id toward said needle and presser foot and is
received within an opening provided in one end
of a cross bar Zlthat projects forwardly from
Figure 1 is a front elevational View of a power
sewing machine equipped with an attachment
constructed in accordance with the present in
vention.
the rod IS. A set screw 22 is threaded through
the bar 2| in position to impinge the projecting
2,408,025
3
4
end of rod I9 so as to adjustably and detachably
secure the cross bar 2| to said rod IS.
3| may be shifted rearwardly and upwardly or
downwardly to a desired elevation for properly
The forwardly projecting end portion of cross
directing the folded strip Ill to and under the
bar 2| is provided with a pair of spaced horizontal
presser foot 1.
» parallel openings which receive the elongated leg Cl
When the sewing machine is in use, the reels
portions of a U-shaped folding element or rod 23.
9 and I2 carrying the strips of fabric l0 and
I3 are rotatably mounted as shown in Figure l
Set screws 24 are threaded through the bar 2|
in position to impinge the legs, of the folding
and the strips drawn from the reels. The strip
element 23 so as to adjustably secure the latter
I0 is folded and passed downwardly through the
relative to the bar 2|. A third opening is pro 10 U-shaped folder 23 and ?ts about the slotted
end portion of the guide bar 25. The strip I3 is
vided in the forward end portion of bar 2| inter
passed downwardly through the slot 26 of the
mediate the openings which receive the legs of
guide bar and will thus be disposed between
the folder 23, and slidable in this third opening
is a guide rod 25 having an end portion pro
folds of the strip l0 and serve as a reinforcement
jecting between the inner portions of the legs 15 for the folded strip. After passing downwardly
of folder 23 and provided with a longitudinal
through the folder and the guide bar or rod,‘ .
the interleaved strips are extended toward and
slot, as at 26. Another set screw 21 is threaded '
through the bar 2| in position to impinge the
under the guide rod 3| and then directed toward
rod 25 to adjustably secure the latter in posi
and under the presser foot 1, where they rest
tionrrelative to said bar 2|. As illustrated in 20 upon the cover plate of the sewing machine and
Figure 2, the strip I0 is fed downwardly through
edges of the folded strip ii] and the reinforc
ing strips are sewed to each other and may also
the U-shaped folder 23 at the outer side of the
be sewed to an edge of another piece of fabric
bar 2| or to that side of the latter which is at
at the same time if so desired.
the left of the bar 2| in Figures 1 and 2. As the
strip Iii is passed through this portion of the 25 By removing one of the screws l '1, the entire
attachment may be. swung upwardly to a verti
folder 23, it is centrally folded into U form and
cal position upon loosening the other screw I‘!
may then he directed rearwardly under the
so that it will be, entirely out of the way when
presser foot 1 for being stitched by the action of
needle 6 and associated stitching mechanism of . its use is not required. However, if preferred,
the sewing machine, to the edge of a garment. so the folder 23, guide rod 25, and'guide rod 3|
If the bar 25 is used, the reinforcing strip l3
may be detached from the supporting rod 19 and
may be simultaneously guided through the slot
26 of said bar 25 so as to be inserted between the
bracket M by simply loosening setscrew 22 ‘so
as to permit removal of the cross bar 2! from said
This
passage rearwardly to the presser foot 1 and '35 will permit use of the sewing machine for any
purpose where folding of a strip is not required.
needle 6. Thus, when the folded strip I0 is at
From the foregoing description, it is believed
tached to the edge of the garment, it will .be
reinforced by the strip | 3 disposed therein. By
that the construction and operation,>as well as
the advantages of the present invention, will
adjusting the elements 23 and 25 to the left of
the bar 2|, as viewed in Figure 2, the device may 40 be readily apparent to those skilled in the art.
be adjusted to accommodate strips of varying
It will be seen that the attachment is very simple
widths according to the particular work at hand.
and economical to manufacture, easy to install,
easy to adjust, and of compact and durable con
To more effectively support the elements 23 and
struction. Minor changes in details of construc
25 with respect to each other and to more effec
tively secure/ their relative adjustment, the free 45 tion illustrated and described are contemplated,
such as fall within the spirit and scope of the
end portions of the legs of folder 23 are received
invention as claimed.
7 .
in openings of a second cross bar 28, and the guide
What I claim is:
V
bar 25 for the reinforcing strip I3 is also received
1. A sewing machine attachment of the char
in an opening of the cross bar 28 intermediate
'the'openings which receive the legs of the folder 50 acter described comprising a cross bar having a
pair of transverse openings therethrough, and >
23. Set screws 29 are threaded through the bar
an elongated U-shaped strip folding rod having
28 in position to impinge the legs of the folder
a bridge and spaced legs extending therefrom and
23, while another set screw 30 is threaded through
slidably disposed through said openings, set
the bar 28 in position to impinge the guide bar
25. By loosening the screws 24, 21, 29 and 3|], 55 screws threaded through said bar and impinging
the legs of said folding rod, a reinforcing strip
the elements 23 and 25 may be relatively adjusted
guide bar interposed between the legs of said fold- ‘
and also adjusted relative to the cross bar 2|
ing rod and having a longitudinally slotted end
so as to condition the attachment for work in
portion disposed in‘ a passage de?ned by the
' volving strips of varying widths that . are to be
60 cross-bar and the bridge and inner portions of
folded and reinforced.
'
the legs of said folding rod for reception of a re?
In order to properly guide the folded strip HI,
inforcing strip for the strip of material folded by
and the reinforcing strip l3 when the latter is
said folding rod, and a set screw threaded
used, rearwardly to and under the presser foot
through the bar in position to impinge the guide
1, a guide rod 3| is provided having a return bent
bar.
end portion whose free end 32 is received in an
aperture of the cross bar 2| between the sup
2. A sewing machine attachment of the char
porting bar l9 and the adjacent leg of the folder
acter described comprising a cross bar having a
A set screw 33 is threaded through the bar
pair of transverse openings therethrough, an
2| in position to impinge the end of the return
elongated U-shaped strip folding rod having its
opposed portions of the folded strip it in their
. rod IS with the elements 23, 25 and 3|.
bent end portion of rod 3| , and it will be seen
legs slidably disposed through said openings, and
set screwsthreaded through said bar impinging
the legs of said folding rod, a reinforcing strip
from Figures 3-to 5, inclusive, that the main
or major portion of rodr3| is disposed below and
rearwardly of the folder 23 in‘ a horizontal posi
guide bar interposed between thev legs of said
tion parallel with the latter. Also, by loosening
folding rod and having a longitudinally slotted
set screw 33, this main or major portion of rod 75 end portion disposed between the inner portions
2,408,025
6
of the legs of said folding rod for reception of a
reinforcing strip for the strip of material folded
and having set screws threaded therethrough in
position to impinge said end portions of the fold
by said folding rod, and a set screw threaded
ing rod, said second-named cross bar having‘a
through the bar in position to impinge the guide
third opening therethrough receiving an outer
bar, said folding rod and said guide bar being 5 end portion of the guide bar, and a further set
longitudinally adjustable through the bar relative
screw threaded through the second-named bar
and impinging the guide bar.
to each other to accommodate strips of varying
widths.
5. A sewing machine attachment of the char
acter described comprising a cross bar having a
3. A sewing machine attachment of the char
pair of transverse openings therethroug'h, an
acter described comprising a cross bar having a
elongated U-shaped strip folding rod having its
pair of transverse openings therethrough, and an
legs slidably disposed through said openings, set
elongated U-shaped strip folding rod having its
screws threaded through said bar and impinging
legs slidably disposed through said openings, and
the legs of said folding rod, a support for said
set screws threaded through said bar and imping~
ing the legs of said folding rod, and a reinforcing 15 cross bar including a bracket attachable to the
front of a sewing machine and having a rod
strip guide bar interposed between the legs of
said folding rod longitudinally thereof and slid
parallel with the folding rod, an end of the cross
bar having an opening receiving an end of said
ably passing through the cross-bar and having a
supporting bar, and a rod shiftable through the
longitudinally slotted end portion disposed be
tween the inner portions of the legs of said fold 20 cross-bar longitudinally of the strip-folding rod
between legs thereof and formed with a slot for
ing rod for reception of a reinforcing strip for the
receiving a reinforcing strip and guiding the same
strip of material folded by said folding rod, a set
into place between leaves of a folded strip.
6. A sewing machine attachment of the char
ing openings slidably receiving the free end por 25 acter described comprising a substantially U
shaped bracket having an end extension attach
tions of the folding rod and the slotted bar and
having set screws threaded therethrough in po
able to the front of a sewing machine, posts at
tached to the end portions of said bracket and
sition to impinge said end portions of the folding
rod and the slotted bar.
rising therefrom, a rod longitudinally slidable
4. A sewing machine attachment of the char 30 through the upper ends of said posts and having
acter described comprising a cross bar having a
one end projecting outwardly from the bracket,
set screws securing said supporting rod relative
pair of transverse openings therethrough, and
to said posts, a cross bar receiving the project
an elongated U-shaped strip folding rod having
screw threaded through the bar in position to im
pinge the guide bar, and a second cross bar hav
its legs slidably disposed through said openings,
ing end of said supporting bar and projecting for
set screws threaded through said bar and imping 35 wardly therefrom, a strip folding rod carried by
and adjustable transversely of said cross bar, said
ing the legs of said folding rod, and a reinforcing
strip folding rod being of an elongated U-shaped
strip guide bar interposed between the legs of
formation and having its legs slidable through the
said folding rod and extending longitudinally
cross bar, means to adjustably secure the folding
thereof and having a longitudinally slotted inner
end portion disposed between the inner portions 40 rod relative to said cross bar, and a rod shiftable
longitudinally between legs of the strip-folding
of the legs of said folding rod for reception of a
rod and formed with a longitudinal slot for re
reinforcing strip for the strip of material folded
by said folding rod, and a set screw threaded
ceiving a reinforcing strip and directing ‘the same
through the bar in position to impinge the guide
between leaves of the folded strip.
bar, a second cross bar having openings slidably 45
receiving the free end portions of the folding rod
CHARLES W. MARTIN.
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