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Патент USA US2117453

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May 17, 1938.
2,117,453
' |_. ROSEMAN
DEVICE FOR,_PREDETERMINING LOCATION OF FASTENERS
Filed Aug. 13, 1935 '
6 Sheets-Sheet l
I
ATTORNEY
May 17, 1938.
2,117,453
1.. ROSEMAN
DEVICE FOR PREDETERMINING LOCATION OF FASTENERS
' Filed Aug. 13, 1955
6 Sheets-Sheet 2
85
INVE TOR
£24
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‘BY
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,
M
ORNEY
May 17, 1938.
V
L, ROSEMAN
2,117,453
DEVICE FOR PREDETERMINING LOCATION OF FASTENERS
Filed Aug. 15, 1935
6 Sheets-Sheet 5_
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May 17, 1938.
, L. ROSEMAN
2,117,453
DEVICE FOR PREDETERMINING LOCATION OF FASTENERS
Filed Aug. 13, 1935
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May 17, 1938.
2,117,453
L. ROSEMAN
DEVICE FOR PREDETERMINING LOCATION OF FASTENERS
Filed Aug. 13, 1935
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_ INVENTOR
BY
ATTORNEY
May 17, 1938.
L. ROSEMAN
3511735
DEVICE FOR PREDETERMINING LOCATION OF FASTENERS
Filed Aug. 13, 1955
'
6 Sheets-Sheet 6
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£4
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INVENTOR.
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' Patented Mayl7, 193s '
_ 2,117,453
{UNITED STATES
PATENT OFFICE
2,117,453
DEVICE ron rnnnn'ranmmo LOCATION
01? FASTENERS
‘
,
Leo Roseman, Newark, N. J.
Application August 13, 1935, Serial No. 35,953
17 Claims. (Cl. 112-2)
This invention relates in general to a gauge
or indicator for use with automatic sewing ma
chines, one object of the invention being to pro
vide such a device embodying novel and improved
5 features. of construction to predetermine and fa
cilitate location of, particular ‘stitching operations
at points in the length of a piece of work, and
for example for sewing on fasteners such as hooks,
eyes, snap fasteners, buttons or the like, and
10 especially to locate a particular stitchlng'opera
tion at a predetermined point in a certain cycle
of stitches in timed relation to the feeding or
advancing of the garment to the stitch forming
mechanism.
15
The invention also contemplates use with sew
ing machines specially adapted for making jump,
?oating, skip or slip stitches automatically at
regular or irregular intervals; and one use of the
invention is the connection with such sewing
machines for.providing openings or gaps between
20 two pieces of fabric which are stitched together
to receive hooks, eyes, corset clasps, or other fas
teners or the like.
‘
In the manufacture of high quality garments
especially corsets and brassiéres, it is desirable
that the fasteners at the closures of the garments
be located in exactly predetermined positions
along'the edges of the closures’ and that there
be a predetermined number of fasteners and
3,) the fasteners on each edge shall accurately cor
respond in number and positions, with the fas
tener on the other edge. It is also desirable
that the fastener elements be located accurately
predetermined distances from the ends of the
5.: CA
edges of the garment carrying the fastener ele
ments.
'
In one form of fastener, the fastener elements
are inserted into ‘the openings provided in the
edges of the garments, the openings being first
40 formed between superposed plies of material and
the'fastener elements being thereafter inserted
into the openings. It has been di?lcult if not,
impossible, to form such openings with auto-.
matic machines in the correct positions on the
45 garment edges, and where errors in the posi
tions of the openings have occurred it has been
necessary to rip the garment and resew it un
til proper location of the fastener element has
been obtained. This difliculty of automatic op
51) eration has resulted in the manufacture of the
better quality garments largely by manual labor,
it having been the practice for the operator to
cut a strip of fastener tape having the required
number of fasteners thereon and (located as they
55 are desired on the garment, and then place the
fastener strip over the full length of the gar
ment edge and with a pencil mark exactly the
position of ‘each fastener element on the gar
ment edge. The sewing operation is then per
formed, the operator watching carefully for the 6
position of each pencil mark and being required
to stop the sewing machine at each mark to
produce the required openings for the fastener
element.
Therefore another object of my invention is to 10
provide a gauge or indicator'of the character de
scribed whereby it may be, determined whether
the garment edge is of the proper length to re- ’
ceive the desired number of hooks, eyes or other
fasteners, and to determine whether the fas- 15
teners or the like on one edge of the garment
may be located at desired points, for example
relative to a seam in the garment, to match com
plemental fastener elements in the other edge
of the garment. '
Further objects are to, provide such a device
to indicate the positions of special stitching op
erations, for example, jump or slip stitches on
the piece of work at any stage of a cycle of
stitches and to provide a device of this char- 25
acter which shall be movable in timed relation
to the feed of the work and the formation of
stitches.
_
Another object’is to provide a gauge or indica
tor of the character'described for sewing ma- 30
chines which can be selectively thrown into op
eration and automatically thrown out of opera
tion.
'
Other objects are to provide a novel and im
proved marking device operable in timed relation 35
to the special stitching, for example a jump or
slip stitch, for automatically making an inscrip
tion upon the work to visually indicate the loca
tion of said special stitching; and to obtain other
, advantages and results as will be brought out 40
by the following description.
~
In the accompanying drawings I have shown
the invention in connection with a slip stitch
sewingmachine like that described and claimed
in the copending application of myself ‘and Her
man Rosenman, Serial No. 17,160 ?led April 19,
1935 but it should be understood that the gauge
or indicator and marking device may be used in
connection with other types of- sewing machines 50
without departing from the spirit or scope of the
invention.
In said drawings in which corresponding and
like parts are designated throughout the several
views by the same reference characters,
2
2,117,453
Figure 1 is a front elevation of a sewing ma
Figure 2 is a similar view with the marking de
vice omitted and portions broken away for clear
needle in steps each equal to the length of one
stitch, and a presser foot P of known structure
is included to hold the work against the feed
dog. For the sake of simplicity these parts are
ness in illustration.
only schematically and fragmentarily illustrated.
chine embodying my invention.
_
.
Figure 3 is a top plan view of the machine
illustrated in Figure 2.
>
Figures 4 and 5 are end views of the machine,
illustrating the different positions of the specific
thread pulling mechanism for slipping stitches.
Figure 6 is a fragmentary plan view of the
2 operating mechanism'for the gauge or indicator.
Figure '7 is a view similar to Figure 4 showing
a modi?cation of the gauge.
_
Figures 8 and 9 are fragmentary plan views of
15
the parts shown in Figure 7.
,‘
_
Figure 10 is a transverse vertical sectional view
on the line Ill-I0 of Figure 8.
Figure 11 is an enlarged fragmentary perspec
20 tive view showing the connection of the two sec
tions of the gauge scale. ‘
Figure 12 is a schematic plan view of the cam
for operating the gauge scale.
.
Figures 13, 14 and 15 are composite schematic
25 views showing the gauge scale, the cam for oper
ating it, the stitch presetting disc and the slip
stitch controlling cam, in their corresponding
relative positions at different stages or a cycle of
stitches.
30
35
.
_
_
Figure 16 is a schematic plan view showing the
manner of determining the number of special
stitches which may be formed in a piece of work.
Figure 17 is a similar view showing the use of
the gauge to ascertain the location of the ?rst
special stitches with respect to the edge of the
piece of work.
.
_
Figure 18 is a composite of plan vlews of the
gauge scale and a piece of work showing the vari
ous relative positions of the work and gauge scale
40 during operation of the machine.
Figure 19 is a detached perspective view of the
two sections of the gauge scale.
Figure 20 is a detached perspective view of the
marking device.
45
_
'
Figure 21 is an end view of the marking device
taken on the line 2l-—2'| of Figure 20, and
Figure 22 is a plan view of a piece of work
showing markings formed thereon by the mark
ing device.
.
As usual the thread T is threaded from a sup
ply spool or the like through the tension device
5, the eye of the take-up lever and the eye of
the needle 6, and during normal operation of the
machine,.the needle reciprocates and on its de
scent penetrates the work to carry the thread
through the work. As the needle rises, normally
the thread at one side of the needle frictionally
engages the work while the thread at the other
side of the needle is in a groove so that as the
needle rises a loop in the thread is formed below
the work and this loop is picked up by the loop
taker 8, carried around and interlocked with the
bobbin thread to form a stitch. After the needle
leaves the work, the work feed mechanism R
moves the work forwardly a distance equal to
the length of one stitch, preparatory to the next
work penetrating movement of the needle for the
next stitch. When the needle is in its uppermost
position, the thread between the take up lever 25
and the point in the work where the threads are
interlocked to form the last previously formed
stitch, is substantially taut, and there is su?i
cient thread present to form a loop for the next
stitch.
30
To slip stitches the thread T is manipulated
or pulled so as to prevent the formation of the
loop, by mechanism which includes _a. gripper G
which comprises two gripping jaws g’ and g2,
which are normally in juxtaposed relation and
receive the thread T between them and are mov
able toward and from each other but normally
in?uenced together by a spring. The jaws are
caused to swing together about the axis of the
shaft 6 in a vertical plane and are oscillated in 40
timed relation with the drive shaft D of the sew
ing machine and the needle bar by.a cam 8'
which is mounted on the drive shaft (see Figure
4) .
The cam 8’ cooperates with a follower roller
9 which is connected to a lever l0 pivotally con 45
nected at one end at II on‘ the machine and
connected at its other end by a link l2 to a
crank arm IE! on \the shaft 6. The roller 9 is
caused to follow the cam 8' by a spring I 4.
The cam 8' is so shaped and timed that the 50
thread gripper G is located at its uppermost posi
tions as shown in Figure 4 when the needle
reaches its uppermost position and the gripper
For the purpose of illustrating the principles
of my invention, and particularly to illustrate
one form of machine for forming special stitches
with which my indicating device may be used, I
have shown it schematically in connection with is swung downwardly approximately synchronous
55 a type of sewing machine described in the above ly with the movement of the thread T and the 65
mentioned copending application which includes needle so that the gripper is in its lowermost po
the usual frame I having the usual stitch form
sition shown in Figure 5 when the needle reaches
ing mechanism including a needle bar A recipro
its lowermost work penetrating position. When
cable therein by known mechanism (not shown). the needle rises the cam 8' actuates the gripper
60 The needle bar carries the usual needle 3, and . upwardly into the position shown in Figure 4, the 60
the machine also includes a take-up lever 4 which gripper jaws being so controlled that during the
is utilized for supplying and taking up the thread withdrawal of the needle from the work the
in cooperation with the loop taker. The needle gripper pulls out the amount of thread that is
has the usual eye 6 and the longitudinal groove present for forming the loop so as to prevent the
65 at one side in which the thread is seated as the formation of a loop.
05
needle penetrates and is removed from the work
The gripper jaws are actuated toward and from
which is designated W,
each other to grip and release the thread by a
Cooperating with the needle bar is the bobbin cam l5 and associated mechanism, the cam l5
mechanism B of known/type which includes a being mounted on a vertical countershaft 20 jour
70 loop taker hook 8 to pick up the loop formed in naled in suitable bearings 2| connected to the
the needle thread during the normal operation goose neck of the machine and being driven by a
of the machine in the formation of a stitch.
work and worm gear drive (not shown) from the
The machine also includessuitable known work drive shaft D of the machine at a reduced speed.
feed mechanism which includes the reciprocating - The speed ratio between the shafts D and 20 may
75 feed dog R for advancing the work beneath the be as desired, for example so that the shaft 20
50
,
9,117,458
will make. one revolution for each twelve stitches,
' one stitch being made during eachrevolution of
the shaft D as usual so that the cam i5 will make
one revolution while the drive shaft D is making
v
.3
ing a follower roller 30"at its other .end which
follows a cam 3| mounted on the countershaft
20. The cam 3| has a generally eccentric or spiral
cam surface and a plurality of cam projections
32 corresponding in number to the number of
twelve revolutions‘which during normal opera- ~ stitches in a cycle, in the present instance twelve
tion of the machine will result in the formation
, stitches, the cam projections having dwells 38
'of twelve continuous stitches for each revolution
of the cam ii. In the present instance it is pro
betweenv them. The follower} roller 38 is in?u
enced into contact with the cam by a tension
posed that one stitch shall be slipped in each a Spring 34. When the lever 28 is free for oscilla
10 ‘series of twelvelstitches. ‘In other words that
eleven continuous stitches shall be formed and
then one stitch shall be skipped.- Further details
tion and the roller 30 is in contact with the cam
iii, the gauge scale will be reciprocated step by
step by the cam projections 32 in timed relation -
-of the machine are described in- the above-men- ' to the feed of the work through the machine and
tion'ed‘ copending application.
the formation of ‘ the stitches, the gauge scale 15
In many cases it is desirable to locate the ?rst . being moved forwardly simultaneously with the
15
skipped stitch a predetermined distance from the
edge of the work at, the beginning of the stitch
ing operation and to indicate the number of
" stitches that have. been after a skipped stitch
20 when the machine is stopped; and-to accomplish
this result I have shown an indicator disc 91
mounted on the countershaft 20 and having a
series of graduations 98 corresponding in number
to, the number of stitches to be made in the work
25 per inch. vAs shown, there are twelve graduations
correspondingvto twelve stitches per inch and for
convenience the zero graduations correspond to
a ‘skipped stitch. The disc 81 cooperates with
a pointer 99 mounted in convenient relation on
'30 the machine, and ‘the parts are so related that
._ when the follower roller i8 engages the cam re
cess l5a for skipping a stitch the zero graduation
movement of the work and momentarily stopping
‘with .the work, as the roller 30 contacts with
the dwells 33.‘
‘
‘
Preferably the slot and pin connection 28 is 20
adjustable as by a screw and slot connection 298
of the pin with the scale to vary the extent of
‘movement of the scale on each step of movement
to conform to the forward feed of the work when
the latter is changed for example to make the 25
stitches longer or shorter. by use of a different
For automatically throwing the lever 28 out of
operation, I have shown a control lever 35 piv
oted intermediate its ends at 36 on the base 21 30
and having a notch 31 at one end to take over
the edge of the lever 28 when the latter is in the
position ‘corresponding to the end of a cycle of
on the indicator stitch is in juxtaposition to the ’ stitches as shown in Figures 6 and 10. The con
pointer 98. Therefore should it be desired to trol lever is normally in?uenced against the lever
form six stitches inwardly from the‘ edge of the 28 by a spring 38. The actuating lever 28 and
35
work at the beginning of the stitching opera: gauge scale selectively may be releasedor thrown
tion before skipping a stitch the drive shaft D -‘ into operation simply by pressing upon the end
will be rotated until the graduation 6 on the of the control lever against the influence of the
disc 81 is juxtaposed to the pointer 99. Then spring 38 to displace the notch 31 from engage
upon operation of the machine six stitches will ment with the actuating lever.
40
be formed followed by a skipped stitch, and the
As shown, in Figures 12, 13, 14 and 15 of the
continued operation "of the machine will result drawings,
the cam projections, 32 of the cam 3|
vin the formation of eleven continuous stitches are numbered corresponding to the stitches of a
followed by a skipped stitch, and so on. To assist
the operator in beginning operation upon the cycle, and the gauge scale carries graduations l0 45
45 next piece of work without unnecessary stopping numbered consecutively and representing cycles
of the machine, I mount on the disc a visible in-. of stitches; that is, the spaces between each two
dicator Hill which may be a set screw adjustable graduations correspond to a cycle of twelve
stitches. For economy in space and to avoid un
circumferentially of the disc, and this visible in
due projections from the machine the gauge scale 50
dicator will be set in juxtaposition to the gradu
50 ation on the disc which is in juxtaposition to the is formed of two sections 25A and 2513, the former . being of relatively stiif material such as metal
pointer at the beginning of the stitching opera
tion, in the foregoing example, the graduation 6. and carried by the block 26 and the latter being
Then when the end of one piece of work has of ?exible material such as fabric and secured vat
55
passed the needle the operator will watch until one end as by riveting H to the section 25A.
' One use of the gauge scale is to determine
55 the visible indicator I00 reaches the pointer 99
whereupon the machine will be stopped. Then whether a piece 'of work, for example the edge of
the next piece of work may be inserted into the a corset or brassiere is of the right length to
receive the desired number of special stitches,
machine ‘and operation resumed with the assur
60
ance that the ?rst skipped stitch on the second for example slip stitches which may be utilized
60 piece of work will be spaced the same distance for providing openings between the fabric plies
to receive hooks or eyes. For this purpose the
edge of the garment may be laid upon the scale
as shown in Figure 9 and schematically in Figure
16. As each graduation ‘0 corresponds to a spe
cial or slip stitch, the number of slip stitches pos
sible on a garment may be ascertained by count
The main feature of my invention is a gauge
from the edge as was the skipped stitch in the
?rst piece of work. This feature is particularly
important where a long piece of' facing strip to
receivefasteners is to be stitched to a plurality
65
of garments in succession.
'"
ing the number of graduations which lie between
A5 the ends of the garment or piece of work.
shown in the drawings this gauge scale comprises
Should it be desired to ascertain where the first 70
scale and operating mechanism therefor.
a ‘strip of material 25 carried by a block 26 slid
70 able longitudinally on a base 21 in a direction
parallel with the feed and in'the path of the
work through the machine. The block 26 is re
‘ ciprocated by a lever 28 having a pin and slot con
75
nection 28 at one end with the block and carry
special stitch should be made with respect to the
edge of the garment, the garment may likewise
be laid on the scale as shown in Figure 17. For
this use, the scale preferably will have sub-gradu
ations 48A each corresponding to a stitch. For 75
.
4
2,117,453
example, assuming that the edge of the garment
has a seam X adjacent the end and it is desired
that the ?rst slip stitch be made inwardly of that.
lease of the gauge scale through operation of
the control lever ascertain where the special
stitches will be formed on the work and how many
seam, the garment may be laid on the ‘scale with ' will remain to be formed.
I
one of the main graduations 40 at the point on
In order to visually indicate the positions at
the garment where the slip stitch is desired, and
which the special stitches will be formed on the
the number of stitches which must be formed
work I propose to use a marking device which is
inwardly from the edge of the garment prior to
the slip stitch may be ascertained by counting
10 the sub-graduations 40A on the scale between the
edge ‘of the garment and the main graduation. 40
which represents the desired position of the slip
stitch.
~
After it has been ascertained how many stitches
15 are required‘ inwardly from the edge of the gar
ment to the ?rst special stitch, the drive shaft D
will be rotated until the graduation thereon cor
responding to the number of stitches, is juxta
posed to the pointer 98, and the starting end of
20 the work will be located at the needle and opera
tion of the machine started. Then the desired
number of stitches will be formed followed by the
?rst special stitch, and continued operation of
the machine will result in the formation of eleven
25 continuous stitches followed by a special stitch
and so on.
In Figures .13, 14 and 15 the corresponding rel
ative positions of the gauge scale cam 3|, the in
dicator disc 81 and the cam l5 are illustrated.
30 In Figure 13 the parts are in the position corre
_ sponding to the twelfth stitch of the cycle that is
indicated by dot and dash lines on the indicator
scale. In Figure 14 the parts are in the position
corresponding to the fourth stitch while in Fig
ure 15 the parts are in the position corresponding
to the tenth‘stitch.
With this construction, it will be observed that
when the gauge scale is released by the control
lever 35 and is in operation under actuation by
40 the cam 3|. the positionsat which the special
stitches will be formed on the work will be accu
rately indicated by the graduations 40 at all
stages of the cycle of twelve stitches because the
gauge scale moves synchronously with the feed
45 of the work. When the gauge scale is held out of
operation by the control lever 35 the work may
move independently of the scale.
In Figure 18 at a the work W is shown at the
beginning of the stitching operation laid upon
50 the gauge scale with the gauge scale in the posi-
tion corresponding to the ‘first stitch.
At b in
Figure 18 the work and gauge scale are shown
as having been moved synchronously in the direc
tion toward the needle while at c the work is
55 shown as moving independently of the gauge scale
and at d the gauge scale has been shown as re
leased to its initial position indicated at a.
Whenever the gauge scale is released by the con
trol lever 35, the lever 28 and scale are moved‘ in
60 stantaneously by the spring 34 in the direction
opposite to that in which they are moved by the
cam, and the position to which the scale is moved
is determined by the position of the cam 3| so
that at all times while the gauge scale is released
65 for operation by the cam the graduations 40 will
accurately represent the positions at which the
special stitches will be formed. Should the lever
35 be manually held from engagement with the
lever 28, the scale will ?rst be moved by the cam
in the direction of and a distance equal to travel
of the work during formation of a series of
stitches, and then the scale will be moved in
stantaneously by the spring 34 the same distance
in the opposite direction. Accordingly the op
75 erator of the machine may at any instant by re~
clearly illustrated in Figures 1, 20 and 21. This
marking device comprises a holder 448 for a
crayon or the like “I which is adjustably 10
mounted in an arm 442 carried by an oscillatory
shaft 443 journaled in brackets 444 on'the bed
of the machine.
The crayon “I is located in
advance of the needle and is periodically pressed
against the work to form a mark 445 thereon.
For controlling the crayon the shaft 443 has an
arm 446 carrying a follower roller 441 which
follows a cam 448 mounted on a jack shaft 85.
The shaft 86 has a helical gear connection 81
with the countershaft 20, and the cam 448 thus
moves in timed relation with the cam 3|. The
cam 448 has a cam notch 448 which is moved
into juxtaposition to the roller 441 once'in each
cycle of stitches. The roller 441 is caused to
follow the cam 448 by spring 500 so that once
in each revolution of the cam the roller 44‘! is
caused ‘to enter the notch 449 to oscillate the
shaft 443 and force the crayon 44| against the
work. In this way, the position of the mark 445
formed on the work corresponds to the position 30
of the special stitch to be formed in the work, and
the special stitches are formed in juxtaposition
to the respective marks. The marks make it
possible for the operator to at all times see just
where the special stitches are to be formed and
after the stitches have been formed the marks
facilitate locating them for any desired purpose
for example to insert fastener elements in open
ings by special slip stitches.
In Figure 22 a strip of work W is shown 40
schematically with the stitches E, slip stitches S
and themarks 445 in their relative~ positions.
In order to accurately gauge the location of
the special stitches such as slip stitches on a piece
of work, obviously the feed of the work should
be accurately controlled. The usual feed dog
work mechanism is not sufllciently reliable to pro
duce the necessary accuracy and to ensure that
the work shall be fed uniformly and accurately, I
utilize an auxiliary feed mechanism to cooperate 50
with the usual feed dog illustrated as shown in
the above mentioned copending application. This
auxiliary feed mechanism includes two serrated
feed rollers 88 and 8| between which the mate
rial to be operated upon is gripped, one roller 55
being mounted in the frame of the machine on
shaft 83 and the other mounted on a shaft 84 in
a frame 840 pivoted at 84| sothat roller 8| may
be in?uenced toward roller 80 by a. spring 842.
The rollers are geared together to rotate at the 60
same peripheral speeds by intermeshing pinions
82, one on each of the roller shafts 83 and 84,
and one of the shafts, in the present instance
the shaft 83, is driven by a helical gear connec
tion 85 with the jack shaft 86. With this con
struction, the. work is positively gripped between
the feed rollers 80 and 8| and the rollers are
constantly rotated at a uniform speed in timed
relation to the drive shaft D and the needle, so
that the work may be fed with extreme accuracy
and the skip stitches S may be accurately spaced
in the work and overfeed of the work by the dog R
is prevented. Underfeed'is prevented by adjust
ing the dog R to feed more than desired, and
then preventing excess feed by the rollers 80, 8|
5
I 2,117,453‘
which hold back the work to the feed desired the
dog slipping slightly over the work to compensate
therefor.
to start movement of the scale, whereby ,the scale
during its movement shall indicate the positions
of .the special sewing on the work at any point
'
>
While I have shown and described the inven-‘ of a cycle.
'7. The combination with a sewing machine in
tion as embodied in certain details of construc
tion it should be understood that this is primarily cluding stitch forming mechanism and work
for the purpose of illustrating the principles of ~ feeding mechanism l-for moving the work step by
the invention and that many modi?cations and ~ step, of a scale slidable in juxtaposition to the
work and approximately parallel to the direction
changes may be made in the details of construc
of movement thereof and having graduations 10
10 tion without departing from the spirit or scope‘ corresponding to a series of stitches formed by
of the invention.
the machine, a spiral rotatable cam movable in
Having thus described my invention, what I
_. claim is:
1. The combination with a sewing machine in
15 cluding stitch forming mechanism and work feed
ing mechanism, of a scale having graduations
corresponding to a series of stitches .formed by
the machine, and means for moving said scale
synchronously with the work stitch by stitch and
for stopping movement of said scale and
29 means
holding it stationary during the sewing opera
tion.
2. The ‘combination with a sewing machine in
cluding stitch forming mechanism and work feed
25 ing mechanism, of a scale having graduations
corresponding to a. series of stitches formed by
the, machine and means for moving said scale
synchronously with the work stitch by stitch,
and means for stopping movement of said scale
and holding it stationary during the sewing op—
so eration
and for manually instantly releasing the
scale for movement.
3. The combination set forth in claim 2 where
in said means for moving the scale and said
35 means for stopping movement thereof cooperate
to automatically stop the movement.
4. The combination with a sewing machine in
cluding stitch forming mechanism and work
feeding mechanism . to automatically perform
40 special sewing at intervals, of means to prede
termine on the work the position at which such
special sewing will be located including a scale
movable along the path of the work, means for
moving ‘said scale synchronously with and in the
h. Li
direction of movement of the work stitch by
stitch, and means for automatically stopping
movement of said scale at a predetermined point
and holding it against further movement.
5. The combination with a sewing machine in
cluding stitch forming mechanism and work feed
50 ing mechanism to automatically form in cycles
series of stitches including special stitches at
intervals, of means to predetermine on the work
at any point in a cycle the position at which the
special stitches will be located includingla scale
movable, along the path of the work, means for
moving said scale synchronously with and in the
,direction of movement of the work stitch by
stitch, and means for automatically stopping
60 movement of said scale at the end of each cycle
55
and holding it against further movement.
6. The combination with a sewing machine in
' timed relation to the work feed mechanism and
having cam surfaces and dwells corresponding
respectively to forward movement of the vwork 15
and interruption thereof by the work feed mecha
nism, and an operative connection'between' said '
scale and said cam including a follower for the
cam for moving the scale step by step corre
sponding to the movement of the work, and 20
means automatically cooperating with said oper
ative connection to stop movement of said scale
by said cam ‘at the end of the movement of the
scale corresponding to a series of stitches.
8. The combination with a sewing machine in 25
cluding stitch forming mechanism and work
feeding mechanism, of a scale slidable in juxta
position to the yvork and approximately parallel
to the direction of movement thereof and having
graduations corresponding to a series of stitches 30
formed by the machine, a spiral rotatable cam
movable in timed relation to the work feed
mechanism, and .an operative connection be
tween said cam and said slide to slide the latter
including a lever pivotally mounted between its 35
ends with one end to follow said cam and its
other end connected to said slide and means for
automatically engaging said lever at the end of
the movement of said scale corresponding to a
series of stitches to stop movement of the scale. 40
9. The combination with a sewing machine in
cluding stitch forming mechanism and work
feeding mechanism, of a'scale slidable in juxta
position to the work and approximately parallel
to the direction of movement thereof and having 45
graduations corresponding to a series of stitches
formed by the machine, a spiral rotatable cam, ,
movable in timed relation to the work feed mech
anism, and an operative connection between said
'cam and said slide to slide the latter including a 60
lever pivotally mounted between its ends with
one end to follow said cam and its other end con
nected to said slide and means for automatically
engaging said lever at the end of the movement
of said scale corresponding to a series of stitches 55
to stop movement of the scale, said lever' being
manually releasable to start movement of the
scale.
,
10. The combination with a sewing machine
including stitch forming mechanism and work 60
feeding mechanism to automatically form in
cycles series of stitches including special stitches
at intervals, of means to predetermine on the
cluding stitch forming mechanism and work feed . work at any point in a cycle the position at which
ing mechanism to automatically form in cycles the special stitches will be located including a
65
65 series of stitches including special stitches at in
scale movable along the path of the work, means
tervals, of means to predetermine on the work at for moving said scale synchronously with and in‘
any point in a cycle the position at which the the direction of movement of the work stitch by
> special stitches will be located including a scale
stitch, and means for automatically stopping
movable along the path of the work, means for\ movement of said scale at the end of each cycle,
moving
said
scale
synchronously
with
and
in
the
70
the last means being manually instantly releas
direction of movement of the work stitch by
stitch, and means for automatically stopping able to start movement of the scale, whereby the
movement of said scale at the end of each cycle scale during its movement shall indicate the po
and holding it against further movement, the sitions of the special sewing on the work at any
75
last means being manually instantly releasable point of a cycle.
75
2,117,453
to the direction of movement thereof and having
including stitch forming mechanism and work “graduations correspdnding to a series of stitches
feeding mechanism for moving the work step by . formed by the machine, means for moving said
11. ‘The combination with a sewing machine
step. of a scale slidable in juxtaposition to the
i work and approximately parallel to the direc
scale in the direction of and in timed relation
to movement of the work, ‘said means including
tion of movement thereof and having gradu
two cooperating parts movable relatively and
together, one part continuously operating syn
chronously with the work feeding mechanism,
ations corresponding to a series of stitches formed
by the machine, a cam inovable in timed relation
to the work feed mechanism and having cam
surfaces and dwells corresponding respectively‘ to
forward movementof the work and interruption
thereof by the work feed mechanism, and an
operative connection between said scale and said
cam including a follower for, the cam for moving
15 the scale step by‘step corresponding to the move
ment of the work, and means cooperating with
said operative connection to stop movement of
said scale by said cam at a predetermined point
in said series of stitches.
'
‘
112. The combination with a sewing machine
including stitch forming mechanism and work
feeding mechanism, of a scale slidable in juxta
position to the work and approximately parallel
'to the direction of movement thereof and having
25 graduations corresponding to a series of stitches
20
and means cooperating with the other part to
stop the latter and the scale, said last means 10
being releasable atthe will of the operator to
resume cooperation of said two parts and start
operation‘bf the scale.
~
.
15. The combination with a sewing machine
including stitch forming mechanism and work 15
feeding mechanism, of a scale in juxtaposition
to and free from the work and approximately
parallel to the'direction of movement thereof,
~means for moving said scale from a starting
point in the direction of and in timed relation 20
to movement of the work and a distance equal
to that of the travel of the work during forma
tion of a certain series of stitches, and means
energized by said movement of said scale for
moving the scale ‘instantaneously in the opposite 25
formed by the machine, a cam movable in timed . direction to its‘ starting point.
_
relation tothe work feed mechanism, and an op
16. The combination with a sewing machine
erative connection between said .cam and said including a stitch forming mechanism and a
scale to slide the latter including a lever pivotally work feed mechanism for forming automatically
30 mounted between its ends with one end to follow
said cam and its other end connected to said scale
and means for engaging said lever to stop move
ment of the scale at a predetermined point in
said series of stitches.
35
40
'
13. The combination with a sewing machine
including stitch forming mechanism and work
feeding mechanism, of a scale slidable‘in juxta
position to the work and approximately parallel
to the direction of movement thereof and having
,graduations corresponding to a series of stitches
formed by the machine, a cam movable in timed
relation to the work feed mechanism, and an
operative connection between said cam and said
scale to reciprocate the latter including a lever
45
pivotally mounted between its ends with one end
to follow said cam and its other end connected
to said scale, and means for automatically en
gaging said lever to stop movement of the scale
’ at a predetermined point, said means being man
50
ually releasable to start movement of the scale.
14. The combination with ‘a sewing machine
including stitch forming mechanism and work
feeding mechanism, of a scale movable in juxta-v
position to the work and-approximately parallel
gaps to receive fastener elements,- of a marking
device to form marks on the work visible and
at one side of the point at which each gap is
formed, and means for automatically actuating
said marking device in timed relation to the
formation of said gaps, whereby said marks will 35
visibly indicate the location of said gaps to
facilitate insertion of the fastener elements.
1'7. The combination with a sewing machine
including stitch-forming mechanism and work
feeding .mechanism to automatically form in
cycles series of stitches including special stitches‘ 40
at intervals, of means to predetermine on the
work at any point in a cycle the position at
which the special stitches will be located ‘includ
ing a scale ,movable from a starting point along
the path of the work,'means for moving said’ 45
scale synchronously with and in ,the direction
of movement of the work stitch by stitch, re
leasable means for automatically holding said
scale against movement at the end of a cycle,
and means for thereafter instantaneouslymoving 50
the scale in the opposite direction to its starting
point.
LEO ROSEMAN.
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