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Патент USA US2095133

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oct. 5, 1937.
A. HOL-rz
2,095,133
.KNITTING MACHINE
Filed Feb. 13, 1955
5 Sheets-Sheet l
»Q5/9,9149@ /L/m rz l
BY
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t
ATTORNEYS'
_
Oct. 5, `1937.
A. HoLTZ
2,095,133
KNITTING MACHINE
Filed Feb. 15, 1935
5 Sheets-»Sheet 2
ATTORNEYSl
Oct. 5, 1937.
A. HoLTZ
-
. 2,095,133
KNITT ING MACHINE
Filed Feb. 15, 1935
5 Sheets-Sheet,5
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BY
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ATTORNEYS’
Oct. 5, 1937.
'
A_ HOL-rz
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2,095,133
KNITTING MACHINE
Filed Feb. 13, 19u-3.5
~
5 Sheets-Sheet 4
/AZZ
v 50
INVENTOR.
Heen/¿QM /%¿ ïZ
BY /QM à@
ATTORNEYS
Oct. 5, 1937.
A~ HOL-rz
'
2,095,133
KNITTING MACHINE:
Filed Febv 13, 1935
5 Sheets-Sheet` 5
ATTORNEYS
Patented oct.Y s, 1937
2,095,133 i "
UNITED STATES PATENT i orrlcs
KNITTING MACHINE
f Abraham Holtz, New York, N. Y., assignor to
Sadinoiï & Wendroff, Inc., New York, N.'Y., a
corporation of New York
’
Application February 13, 1935, Serial No. 6,275
12 Claims. (cl. afs-ss)
The presentinvention relates to improvements
in knitting machines and it particularly relates
Another Yobject is to provide'Y an improved
knitting machine for curtains which will enable
the production of a wide variety of designs there*
upon with the employment of relatively compact
to improvements in the jacquard mechanisms as
sociated with knitting machines. Y
`
Although the invention of the present applica
simple
, of the nat
Y
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'
the followingspeciñcation.
A
'
Y
l
In accordance‘with theVV present invention, an
type, which may be Vconveniently
utilized for the knitting Vof curtains.
machinery.
Other objects will appear during the course of
>tion has a broad application to knitting machines
generally, it will be specifically described in con
1 nection with its application to knitting machines
operating mechanism is provided for the jacquard »
chain which will permit of a considerable reduc- 10
»
tion inthe length of said chain, thereby _eñect
In machines of the above character it has been
possible to knit various predetermined designs
ingV an economy of material and space, and
by the use of a jacquard mechanism consisting
of an endless chain, the various links of which
are providedY with a plurality of'actuating mem
facilitating the assembly lof the chain and the
positioning of the actuating members thereon re
bers for controlling Vthe thread-guiding elements
To the end that this may be accomplished, the
quired to form any particular design. '
15"
,
of the machine.,r Said actuating members are
operating mechanism for the jacquard is designed
arranged on the chain in conformity with the
particular design to be made and, as the> chain is
intermittently advanced, in the direction of itslength, Vsaid actuating members are successively
to reverse the direction of movement ofthe same
at predetermined intervals which may be uni
form or varied, depending upon the design being
formed. By thus intermittently reversing the
movement of the jacquard chain, as distinguished
brought into position to` actuate the usual recip
rocatory bars which carry "said»thread-'guidingY from the customary ymovement thereof always in
the same direction, many of the actuating mem
bers for the ' thread-guiding elements may beY 25
elements.
By suitable mechanism theY chain is moved,V
after each operation of the knitting Vmachine to
used repeatedly, during the formation of Vone re- '
cause said actuating members to engage one or
more of the corresponding bar or Vbars so as to
peat ofY the design, to Ymake symmetrical or repeat
shift the same to position the thread-guiding
Y In the preferred form of the present invention
elements properly thereon relative to the >needle
theV reversing mechanism `preferably includes a
portions
. tainV stitches
Y '
3o
, so that such reversing may take placeat pre
'Heretofore the jacquardchains, the entire
. » length of vwhich> are employed in the formation
of one repeat of the complete design, have each Y
been- advanced only in- one direction and‘this has
necessitated the use, in'many instances, of ex
tremely long Vchains and a correspondingly large
determined intervals,` or continuously asmay be
desired.
guiding elements.
i
'
Moreover, the variety of» designs which may be
obtained is quite Vlimited by the diliicultiesV of
„mechanical construction, and by theV increased
complication of the machinery necessary for more
Vintricate and varied Yfabric constructions.
f
>‘Among the> objects ofthe present invention
are to provide an'improvedjacquard mechanismY
for knitting machines of the character above de- ,
scribed which will enable relative> simplification i '
of the mechanical structure with lessened cost
in maintenance in operation and which at' the
'same time will enable a greatly increased variety
and range of designs by relatively simple manipu
1
1
,
'
‘
'
V
Y
The inventiveVV idea involved is capable of re
ceiving a variety of mechanical expressions, one‘
number of actuating ,membersforï the thread» ,
55 ‘ lations.
Y
constitutingY _apart of ,the complete chain, Vwhich control the main Yjacquard lchain
design.
-
'
controlling cam and a Vreverse control pattern
Y bar of the machine to cause the formation of cer
i
thereof.
of which, for purpose Yoi? illustration,fis shown in
the accompanying drawings, in Whichz-
Y
-
"Figurer 1 is a fragmentary front elevation of
one -end of aY knitting machineof known construc
tion, illustrating the reversingY pattern’mecha
nism of >the `present invention applied thereto
from the line I--l of Fig. 2.
'
Í
i
FigureZ is an elevationl taken at right angles
to Figurel and substantially from the line 2,-2
thereof, showing a part of the mechanism utilized
to .reverse the direction of movement Íoflthe ,
jacquard chain.
,
_
Y
Y
Figure 3 is a transverse'~ sectional view onthe
line 3--3’Y of Figure 2 uponVA an enlarged scale. l
Figure 4 is an enlargedìelevational view from
the line 4_4 >of Fig. 1, partly-in section, illus
trating the aforesaid reversing mechanism and
the control device therefor, said mechanism be- 55
v
2
2,095,133
ing shown in position just after its operation in
reversing the direction of movement of the jac
quard chain.
Ul
Figure 5 is a side sectional view upon the line
5_5 of Fig. 4.
Figure 6 is a fragmentary side elevational view
upon an enlarged scalev on the line 6_6 of Fig. 1.
Figure 7 is a side sectional view taken on the
line ï-~`i of Fig. 6, and
embodiments.
In the illustration of the present invention, only
so much of a knitting machine of known con
struction is shown as will enable- those skilled in
the art to obtain a complete understanding of
the application of the instant invention thereto.
Referring to Figs. 1 and 2 a> ñat bed knit
ting machine is provided with a frame I0 which
20 carries a needle bar diagrammatically indicated
at il, which extends entirely across the ma
chine. The needles of the machine are car
ried, as schematically indicated at I2.
Operated in conjunction with the needles of
N) Ul the machine and adapted to reciprocate trans
versely across the needle bed, are the thread
or yarn guides I3, which are provided with the
collars I4 fixed by the set-screws I5, on the re~
These reciprocatory bars
30 are supported in slots or recesses Il', in the plate
I3, which is bolted at I9 on the frame i0 of the
machine.
As these bars I6 are intermittently shifted
back and forth by the jacquard mechanism, they
will cause the thread guides I3 to guide different
threads to the various needles which'will result
in the formation of the pattern.
Each of the bars I 6 (see Fig. l) is provided
with the end contact plates 20, which are adapt
40 ed to be actuated by the pins or jacquard ex
tensions 2I. The pins 2l are carried by the
links 22 of the jacquard chain and are arranged
so as to project different distances and to cause
varied reciprocating movements of the needle
bars I6.
The jacquard chain 22-22 (see Fig. l) rides
upon and is advanced by the square or polygonal
sprocket element 23, which is rotatably mounted
on the upper end of the reciprocatory arm or
50 holder 24. The reciprocatoryV holder 2li is piv
otally mounted at 25 upon the ñXed arm 25 eX
gear or pinion ¿if-i. The gear lid. meshes with
the gear 45, ñXed to the shaft 4S. The shaft
46 bears in the sleeve 4l below and offset from
the bearing sleeve 39.
The sleeve lll is provided with a base flange
41a by which it is bolted to the arm 2li at filo. 10
_
The gear ¿i8 drives the pinion 49 fixed on the
end of the shaft 38 through the intermediate
gear 50 which is rotatably mounted at 5I in an
arm 52 projecting outwardly from the bearing
sleeve di.
The gear train ¿lll-_e5 and ¿iS--äO-Áiä will cause
the ratchet wheel ¿i2 to drive the sprocket 2S in
the opposite direction from the ratchet lill and
reverse movement of the chain 22-22.
As appears from Fig. 1, upon each recipro 20
cation of the arm 24 the ratchet 40 will be ad
vanced one-quarter turn by the pawl member
to, the lower end of which is provided with the
inturned catch or tooth Si cooperating with the
teeth 62 of the ratchet iii).
The detent rod G3 (see Fig. l) is pivotally
mounted at ¿it upon the frame extension i8 and
is pressed upwardly by the roller 65a on the right
arm 65 of the lever 56 which is pivotally mount
ed at til upon the reciprocatory arm 2li. The
left end of said arm GS is depressed by the coil
spring 68, as indicated at GS. The other end
of the coil spring G3 is connected at 'i0 to the
lower portion of the reciprocating arm or le
ver 24.
As the ratchet il@ moves forwardly upon each
reciprocation of the arm 24, the teeth 6I of
the pawl ESG will slide rearwardly until it passes
beyond the upper right tooth G2 of the ratchet.
Then as the ratchet ¿if? is swung backwardly upon 40
the return movement cf the reciprocatory arm
2li, the tooth i5! will catch said upper right tooth
82 and willvadvance the ratchet il?) one-quarter
turn, advancing the chain so that the next set
of pins 2l are in position ‘to actuate the thread
carrier bars IS, through the contact plates 2o.
The detent rod acts to hold the ratchet ¿lû in
each position (shown in Fig. 1) after it has been
advanced one-quarter turn by the pawl 6o.
The pawl E@ for the jacquard chain ratchet lli), l
as shown in Figs. 2 and 3, is received in the collar
tending out from the frame of the machine. The
'H and is adjustably fixed therein by the set
the
pivotally
arm. combination
2S isconnected
reciprocated
serving
to the
byasthe
gear
a crank.
link
wheel
2l The
29
which
atgear
screw l2. The collar is provided with a sleeve
member 'F3 which slides upon the rod 'lâ and is
wheel 2i) is driven by the shaft 3l of the main
pressed against the face 'l5 of the arm 76 by the
coil spring i7. The coil spring 'I'I reacts at its op
mechanism of the machine.
'
As best shown in Fig. 6 each of the links 22
GO is provided with outset forward arms 3E and
rearwardly extending inset arms 33 at the ends
thereof, which arms are pivotally connected at
3@ by the pivot bars 35. The transverse mei bers 3% of said links each carry the pins 2i as
indicated at 31.
The transverse element 36 of the link 2E is
preferably of sufficient width to carry a number
of pins 2l which will cooperate with the needle
bars it.
70
'
The reverse ratchet
rides loosely upon the
shaft 38 and is bolted as indicated at 43 to the
v
Figures 8 and 9 are fragmentary side eleva
tional views similar to Fig. 4 illustrating other
ciprocatory bars I5.
4I, which causes forward movement of the jac
quard chain 22-22.
`
The Vsprocket wheel or carrier 23, as shown in
Fig. 6, is rigidly connected to the shaft 38', which
bears in the sleeve member 39 carried on the
upper end of the reciprocating arm 2li. To the
shaft 38 at the left side of the bear g sleeve 39
’l is pinned the ratchet wheel 4U, as indicated at
posite end against the washer 78. The tension
on the spring is maintained by the nut lg which
ñts on the threaded end ile of the rod lli. The
arm ’i6 is pivotally mounted at 92 on the rod 74.
GO
The end of the rod 'iâl is ñxed at 8| in the boss
2 ofthe bracket 83. The bracket 83 is bolted at
34 to the vertical extension 65 from the frame
plate i8. The forward arm B3 of the bracket 83
is bolted as indicated at 8l (see Fig. l) to the arm
it which. carries the pin 89 serving as a bottom rest
or stop for the jacquard pawl 58. The arm S6 is
provided with an arcuate enlargement Si? having
the slot di in which the bolt 81 is fitted, enabling
convenient adjustment of the position of the arm
'EG and the pin 5S. The pin 89 will prevent said
pawl @il from dropping below its proper position
to enab-le the tooth 6i to engage the next ratchet
tooth 62 upon forward movement of the arm 24.
The reversal of movement of the jacquard chain
:2,095,133V
' 3
'22-22 is caused by a shifting of the jacquard pawl ì if desired, it may be provided with the same num
ber of teeth. The reciprocation of the element
|05 carrying the pawls I I8 and |36 is sufficient to
60 fromY engagement with the teeth 62 of the
ratchet 40 to- engagement with the teeth 93 of
the ratchet 42 (seeFig. 6). The forward move
advance the ratchet I 31 one tooth and the ratchet
IIS one or two teeth for each. revolution of the
\ ment of the ratchet 42 by the paw1‘60 will then
drive the shaft 38 in a reverse'direction through
the gear train 44, 45, 48, 49 and 50.
`
, This shifting'of the pawl from'the> ratchet 40
cam |03 and reciprocation of the follower bar |05.
The ratchet |31 is provided with the detent | 44
having a boss >|45 cooperating with the recesses
tothe ratchet 42 is accomplished through the
mechanism bestfshown in Figs. 1, 2, 4 and 5.
|46 in the Yside of the ratchet |31, the lower end
of the detent being mounted at I 41 upon the 10
.The gear‘ 29, asV shown in Figs. 1 and k2, meshes
with the gear |90 on the shaft> IOI, said shaft I|||
support rod I I3.
Y
being provided with the bearings IGZ-|02 and
Rigidly connected to the collar |38 of the
ratchet |31 is the cam |48 having the lobes I 49,
extending across the plate I8 Y of theY machine
which as shown in Figs. 2 and 4 are symmetrically
frame.
positioned around the periphery thereof and move 15
in the -direction indicated by the arrow |50 to co»
operate with the roller |5| on'the follower arm
|52. The follower arm |52 is‘pivotally mounted
.
To the end of the shaftl I0| is connected the cam
‘ |03 which cooperates with the follower roller
|04 on the pawlactuator memberror bar |05.
'
The lower` inset portion |06'of the bar |05 extends at |53 on'the bar |54.
The bar |54 (see Fig. 2) is provided with a col V20
20 inside of the cam’ |93 and is slotted, as indicated
lar |55 at-its other end, which collar is fixed by a
at |01 in Fig. l. The slotted portion |01 is re
ceived upon the shaft I0 I and is thus guided in its set-screw |56 upon the ro'dv |51 extending up
reciprocatory vertical ‘movement uponcoopera-Y wardly from the top of the frame extension 85.
Pivotally connected at IBI to the arm |52> is thc
tion between the >cam ' | 83 and its follower |04.
25
The upper outsetV portion |01 of the bar |05 is link |62, which at its other end is pivotally con 25.
provided with the slot |98, into which projects nected at |63 to the arm |64 of the bell crank
f
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`
the arm |99 adjustably mounted by the set-screw lever |65.
The bell crank. lever |65 is pivotally mounted
YI|2 in the base '|I0 of the clevis |II. The clevis `
| I I is mounted on the rod I |3 projecting from the
side of the machine by the set-screw I I4. The rod
|09 is provided'with the nuts or contact pieces I I5,
which maintain the rod in position in the slot
at |66 upon the extension |61 from the frame of
the machine. The other ‘arm |68 ofthe bell
|88 during the reciprocatory movement.
1I on the sleeve 13 (see Fig. 3) and move the pawl
rod 60 so that the tooth 6| thereof will ride upon
crank lever |66 carries the adjustable pin |69
the end |10 of which is adapted to contact the boss
To the upper outset portion |01 of the bar |05
35 is connected »the bearing,` mount |I6 in which the
the ratchet 42 instead of the ratchet 40 to reverseY
pawl rod I|1 is pivotally mounted. The rod! |1
(see Figs. 1 andl 2) ,carries the pawls I'IßV and |36,
the jacquard chain 22-22.
The reversal will obviously only take place while
which are pressed in contact with the ratchet
wheels ||9 'and `|31 by the spring |20.
Y
the follower |51 is riding over the lobes |49 of
the cam |48 and the lobes |49 will only elevate
the roller I5! after a predetermined number of
revolutions ofthe shafts 3| and |8| and recipro
. cations of the arm V24. It is obvious that the cam
i |48> may be widely varied in shape and the ampli
tude of the stroke of the arm |05 and the pawl
40
As the'arm |05 is reciprocated by'coaction ofV
` the 'cam |03 and the roller» |04 the pawls ||8 and.
|36 will advance theY ratchet wheels I I9 and |31
by one or two »teeth |2| and I2 la depending upon
the throw> of the pawls IIS and |36.
45
' '
`
The pawl | I3 may be set by a mechanism (not
shown) to advance `the wheel ||9 one -or two
` ‘ teeth |2| for each reciprocation, while the pawl
' advances the ratchet |31 one tooth |2|a.
Referring to Figs; 2, 4 .and 5 the ratchet I I9 is
50 pinned at |22 to the shaft |23, as is also the collar
|24 of the sprocket |25 at*|26. YThe ratchet ||9
will turnthe shaft |23 in the direction |21, upon
actuation by the pawl I I8 shown in Figs.' 1 and 2,
and the shaft |23 will rotate the sprocket wheel
|25. The pattern chain |28 will mesh withthe
teeth |29 on the sprocket |25 and be continuously
‘advanced upon rotation of the shaft I 23.
The ratchet wheel | IQ-isretained in position by'
the detent |30, the end of which is provided with
60 a boss |3| received in the recesses |32 in the side
of the ratchet wheel I |9, one of these recesses be
ing providedY for each tooth |2| of the ratchetl V| I 9
so that the ratchet will be retained in each posi
tion. The spring arm of the detent |30_is rigidly`
connected at |33 to the'support arm |13, which
» arm is vfixedV at |34 to the frame I8..
As best shown in Fig. 5 the ratchet wheel |31,
` driven by the pawl |36, hasfafcollar |38 loosely
turning on the shaft |23 and held in position
thereon by thewasher |33. The washer |39 is
vpinnedV to the shaft |23 at, |40. `The end ofthe
shaft |23 rides in the boss |42 in the frame'mem
ber |43 at the rear of the plate |8.
‘
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The ratchetf|31` is shown provided with one
.tooth for every two Vteeth of the ratchet II9», but,
||8 may be readily changedf
.
In Vthe knitting> operation it is desirable at pre-Á
determined intervals to prevent operation of the
reversing mechanism and/or to delay operation
ofthe reversing mechanismrand this is conven
iently accomplished by causing disengagement of
the pawl |36 and the ratchet |31 during a pre- '
determined or desired number of reciprccations
of the arm 24.
To accomplish >this reversal the pattern chain
|28 (as best shown in Fig. 4) may be caused to '
carry a series of Contact plates |8I,v|62, |82@ of.
different or the same shapes and forms, and at
different intervals, which plates are continuously
advanced with the advancement vof the chain |28 60
upon vertical reciprocation of the arm |05.
When these plates turn around the> sprocket l2 E, f '
they contact with the adjustable bar |83 adjust
ably connected at |8311 Vto the L-s‘naped rod |84._
The lower arm of the rod |84 is ñXed by the set
screw. |85'in the clevis |36 mounted upon the
shaft H3 (see Figs. 4 and 5). The forward eX
tension iß’iof the arm normally contacts with
the shaft |23 through the actionof the spring |83
extending at |83 to the extension of the frame, see
Fig. 2.
'
'
-
The upward extension |61‘of the arm ,carries
the pawl contactmember |93, which (when the
plates |8|, |82, |8211 contact with the adjustable
arm |83) throws the pawlV |83 to the left by con
4
2,095,133V
tact with the horizontal extension |9| upon said
pawl (see also Fig. 1).
As long as the cam plates |8i, |82, |8211. retain
said contact member |90 against the horizontal
CFI extension ISH on the pawl líâë the ratchet |31
will not be advanced by the pawl |36 upon recip
rocation of the arm |65. During this period the
reversing mechanism will not be operated.
In operation therefore, as the main shafts lûl
and 3| are driven the arm 24 will be continuously
reciprocated, causing advancement of the jac
quard chain 22-22, and a reciprocatory move
ment of the thread guide H3 connected to the
bar I6, resulting in the formation of a predeter
mined pattern for each position of the pins 2| of
the jacquard chain 22-22.
With each of said reciprocations (due to the
cooperation of the cam HB3 and follower |04 upon
reciprocation of the arm I B5) the ratchets | iii and
|37 will be advanced by the reciprocating pawls
H6 and |36, causing an advance of the pattern
chain |28, and the reversing cam |48.
The reversing cam |48 will, at predetermined
intervals, elevate the follower roller i5! (as shown
in Fig. 4) upon the lobes |49, which through the
linkage £62 and bell crank lever M5 will cause a
shifting of the pawl 66 from the forward ratchet
4i! to the reverse ratchet 42 of Fig. 6.
The interval between said reversals will be con
30 trolled and varied by the contact plates IBI, |32,
ESM upon the pattern chain |28 (see Fig. 4) which
will for predetermined intervals maintain the
pawl |36 out of Contact with the ratchet |37.
In this manner by relatively short jacquard
chain 22-22 it is possible to obtain a very wide
variety of designs, the variety of designs being
capable of almost infinite variation by control of
the reversal cams |48 and the positioning of the
Contact plates |8|, |82, |82a on the reversal pat
40 tern chain |28.
Moreover, the arrangement shown permits a
very ready control and adjustment> of the jac
with a forward extension 200, the forward end of
which is provided with a pin |902 which is de
signed to move the pawl |362 out of engagement
with the teeth |372 during predetermined inter
vals.
What is claimed is:
1. In a fiat knitting machine for knitting Cur
tains of the type having'a plurality of rows of
thread guiding elements, transverse reciprocable
bars carrying said elements, one for each row,
contact plates on the ends of said bars to be
actuated, an endless jacquard chain, the links of
which are provided with a series of spaced pins
to contact with said plates and cause actuation
of said bars and elements, whereby a predeter
mined pattern is formed, sprocket means carrying
said jacquardl chain, ratchet means driving said
sprocket means, pawl means carried by said ma
chine engaging and advancing said ratchet means
tol drive said jacquard chain, a reciprocating lever
carrying said sprocket means and crank means
reciprocating said lever to cause said pins to con
tact with and actuate said bars at one end of the
stroke and to cause said pawl means to advance
said ratchet means at the other end of the stroke;
the combination therewith of a reversing mecha
nism -ior said jacquard chain including two re
10
15
20
in in
versing ratchet devices, two reversing pawl means
corresponding with said ratchet devices, a recip
rocating carrier actuated during operation to re
ciprocate said pawls and thereby advance said
reversing ratchet devices, a cam driven by one
of said reversing ratchet devices, a lever follower
actuated by said cam, said ñrst mentioned ratchet
means provided with double ratchet wheels ar
ranged side by side, one being directly connected
to said first mentioned sprocket means and the
other being connected to said sprocket means by
a reversing gearing train, said lever follower being
connected to said ñrst mentioned pawl means to
shift it from one ratchet wheel to the other
ratchet wheel, said second reversing ratchet de
quard chain, which may be accurately determined v vice driving a second sprocket, a reverse pattern
45
without undue diñ‘iculty to determine the pattern.
The jacquard chain 22-22, the pattern chain
|23 and cam |48 may be almost readily coordi
nated to give a predetermined pattern.
As shown in Fig. 4 the contact plates |8| and
|82 are of different shape and form, but if desired
the plates may all be of the same type, character
and shape. II‘he plates I3! and |82a of Figs. 1
and 4 are adapted to keep the pawl |36 out of
cooperation with the reversing ratchet |3'l for
a considerable period of time, while the plate |52
is adapted to merely keep the pawl I3|ë out of
cooperation with the ratchet |31 for two relatively
short successive periods.
The embodiment of Fig. 8 shows an alternative
construction to Fig. 4 in which similarly func
60 tioning parts are indicated by the same numerals
primed.
According to this embodiment the plates ISI’
are caused to contact directly with the pawl |36’
instead of through an intermediate lever arrange
ment, as shown in Fig. 4 and intermittently to
hold the pawl |36' out of engagement with the
ratchet wheel |31’.
Fig. 9 shows still another modification similar
to Fig. 4 in which similarly functioning parts are
70 indicated by the same numerals provided with a
superior
In Fig. 9 the pattern reversing chain | 282 carries
a series of pins |8|2 which cooperate with the
L-member |832 to actuate the arm |842 which is
pivotally mounted at H32. The arm is provided
chain carried by said second sprocket, a` plurality
of contact elements carried by said reverse chain,
said contact elements serving to move said first
reversing pawl means out of engagement with
said ñrst cam-actuating reversing ratchet device,
to render said reversing mechanism inoperative
at spaced intervals.
2. Ina flat bed knitting machine, movable yarn
guides, pattern mechanism formed of a plurality
of bar members, the length of said pattern mech
anism representing substantially one-half of a
symmetrical design in the finished fabric, a plu- l
rality of pins carried by each of said bar mem
bers to actuate said guides to control the throw
or” the yarn, means to actuate the pattern mecha
nism in one direction throughout its length to
produce one-half of the design, means for re 60
versing the movement of the pattern mechanism
throughout its length to complete the design, in
cluding a reciprocating pawl driven by the ma
chine, a ratchet driven by the pawl, a cam driven
by the ratchet and a lever arrangement actuated
by the cam, and means for periodically render
ing said reversing mechanism inoperative, includ->
ing a device for disengaging said pawl from said
ratchet.
3. In a flat bed knitting machine, movable yarn 70
guides, pattern mechanism formed of a plurality
of bar members, the length of said pattern mech
anism representing a portion less than the whole
of a symmetrical design in the finished fabric, a
plurality of pins carried by each of said bar mem
5
lnoname
`:bers'to actuatesaid guides to control the throw _ Apostte-direction, one ratchetrbeing directly con- Y
v»nected to the sprocket and the other ratchet be- Y
nism in one direction to produce said portionof ' ing connected to the sprocket by an intermediate ‘
«of the yarn,'m`eans to actuateV the pattern mecha
the'design, and means for reversingfthe move
yreverse Vgearingi connection and >means to shift
ment of the pattern mechanism- to complete the
design, including a. reciprocating pawl driven by
said pawl means from one sprocket to the other.k
8. In a flat knitting machine for knitting cur
tains having a plurality of rows of thread guid
the machine, a ratchet drivenby the pawl, a cam
4. In a ñat bed knitting machine, a thread
ing elements, >transverse reciprocable bars car
ryingl said elements, one for each. row, contact
members’on the ends of said bars to be actuated,
guiding element operable in conjunction with the
an endless jacquard chain; the links of which are -
driven by the ratchet and a lever arrangement
actuated by the cam.
10
Y
" ' '
needle bar ofthe machine to form a design on a .provided with a series of spaced pins to contact
’fabric beingï knitted, a mechanism for operating _ with said members and cause actuation of said<
said! element in accordance with the design to be Abars. and elements, whereby a predetermined
pattern isA formed, sprocket means carrying said 15
15 formed, means >to> repeatedly move said mecha
nism in one direction during the formationvof a
jacquard chain, ratchet means driving said
part of said design, means toreverse the direction j » sprocket means,«pawl means‘rcarried by said ma
lof movement of said mechanism to- thereby con
trol the'formation of another. part of saiddesign,
.20
‘including a reciprocating pawl drivenby the ma'
cliine, a ratchet driven by the pawl, a cam driven
by the ratchet anda lever arrangement actuated
by the cam, and control means for disengaging
i said pawl including a pattern chain.
A5.> In a fiat bed knitting machine, a thread
guiding element operable in conjunction with the
needle bar' of- the machine to form a design on a
fabric‘being knittedvga jacquard mechanism in
cluding an endless element movable in opposite
30 directions along its length to control the opera
tion of saidthread-guiding element, and‘means
operable at predetermined intervals to reverse the
directionY ci’ movement of said endless element to
thereby control they formation of different parts Vof
35 said design, said. last mentioned means including
a single pawl, a forward drive ratchet for said
element, a reverse drive ratchet, and a pawl shift
40
chine engagingV and advancing said ratchet
means to drive said jacquard chain, a recipro
cating lever carrying said sprocket means and 20
crank means reciprocating said lever to causesaid i
pins to contactwith and actuate said bars at one
end'of the stroke Vand to cause said pawl means
to advance said Vratchet means at the other end
-of the stroke; said ratchet means being con
nected to drive said sprocket means forwardly
and reversely, means actuated by said'machine
to operate said pawl meansrto cause reversal of '
the ratchet means and additional means oper
ated by the machine to render such last men 30
tioned means inoperative at predetermined inter
vals; said additional means including a recipro
cating pawl, a ratchet driven by said pawl and
means Vperiodically to disengage said pawl from Y
said ratchet.
.
1
9. In a nat knitting machine for knitting cur
tains having a plurality of rows of thread guiding `
ing mechanism to shift the pawl from one ratchet
elements, transverse reciprocable bars carrying
to the other.
said elementsjone for each row, contact members .
on the ends of said bars to be actuated, an end 40
'
'
6. In a hat bedrknitting machine, thread-guid
ing elements operable in conjunction with the
less jacquard chain, the links of which are pro
vided With a series of spaced Vpins to contact with
fabric being knitted, a jacquard chain movable said members and cause actuation of said bars
in opposite directions and including a series of and elements, whereby a predetermined pattern
is formed, sprocket means carrying said jacquard
45 actuating> members for said thread-guiding ele
ments arranged on said chain in conformity with Y chain, ratchet means driving said sprocket means,
the design tobe produced, Vmeans to reverse the , pawl means carried by said machine engaging
and advancing( said ratchet means to drive said
. movement of said chain including a reciprocating
pawl, a ratchet driven by said pawl, a cam driven jacquard chain, a reciprocating lever carrying
50 by said ratchet and a lever arrangement driven said sprocket means and crank means recipro 50
by said cam and a pattern device to periodically cating said lever to cause said pins to contact
with and actuate said bars at one end of the
disengage said pawl.
Y
`
7.Y In a flat knitting machine for knitting cur
stroke and to cause said pawl means to advance
tains having a plurality of rows of thread guiding said ratchet means at the other end of the
55 elements, transverse reciprocable bars carrying stroke; said ratchet means being connected to
said elements, one for each row, contact members Ydrive said sprocket means forwardly and reverse- i
ly, means actuated by said machine to operate
on the ends of said bars to be actuated, an end
said pawl means to cause reversal of the ratchet
less jacquard chain, the links of which are pro
vided’with ‘a series of spaced pins to contact with means and additional means operated by the
said members and cause actuation of Vsaid bars . machine to render such last mentioned means 60
needle bar of the machine to form a design on a
and elements, whereby a predetermined pattern
is formed, sprocket means carrying said jacquard
chain, ratchet means driving said sprocket means,
‘ pawl means-carried by said machine engaging
inoperative at predetermined intervals, said last
mentioned means including a pattern chain and
said previously mentioned means including a
cam, a ratchet actuating said cam, a pawl actu
65 and advancing said ratchet means to drive said ating said ratchet and a connection from the 65
jacquard chain, a reciprocating lever carrying machine actuating said pawl substantially in
said sprocket means and crankmeans recipro- Y synchronisvm with the movement of said recipro- Y
cating said lever to cause said pins to contact cating lever, said pattern chain serving to disen-.
with and actuate said bars at one end of the gage said last mentionedv pawl from said last
70 stroke and to cause said pawl means to advanceY mentioned ratchet‘at predetermined intervals.
10. In a ñat knitting machine for knitting
said ratchet means at the other end of the stroke;
said ratchet means being provided with two curtains having a plurality of rows of thread
ratchet members one of which is adapted to drive guiding elements, transverse reciprocable bars
the sprocket in one direction and the other of carrying said elements, one for each row, contact
75 which is adapted to drive the sprocket inthe op members on the ends of said bars to be actuated,
an endless jacquard chain, the links of which are
provided with a series of spaced pins to contact
with said members and cause actuation of said
bars and elements, whereby a predetermined pat
tern is formed, >sprocket means carrying said
Vjacquard chain, ratchet means driving said
sprocket means, a single pawl carried by said
machine engaging and advancing said ratchet
means to drive said jacquard chain, a recípro
cating lever carrying said sprocket means and
crank means reciprocating said lever to cause
said pins to contact with and actuate said bars
at one end of the stroke and to cause said pawl
means to advance said ratchet means at the
other end of the stroke; said ratchet means in
15 cluding two ratchets positioned side by side, one
connected to the sprocket means to drive the
same directly and the other connected with the
sprocket means to drive said sprocket reversely,
and means to shift said pawl laterally from one
20 ratchet to the other,
11. In a flat knitting machine for knitting cur
tains having a plurality of rows of thread guiding
elements, transverse reciprocable bars carrying
said elements, one for each row, contact mem
25 bers on the ends of said bars to be actuated, an
endless jacquard chain, the links of which are
provided with a series of spaced pins to contact
with said members and cause actuation of said
bars and elements, whereby a predetermined pat
tern is formed, sprocket means carrying said jac
quard chain, ratchet means driving said sprocket
means, pavvl means carried by said machine en- »
gaging and advancing said ratchet means to
drive said jacquard chain, a reciprocating lever
carrying said sprocket means and crank means
reciprocating said lever to cause said pins to con
tact with and actuate said bars at one end of the
"10
stroke and to cause said pawl means to advance
said ratchet means at the other end of the stroke;
said ratchet means including two ratchets, one
connected to the sprocket means to drive the
same directly and the other connected with the
sprocket means to drive said sprocket reversely,
and means to shift said pavvl means from one
sprocket to the other, said last mentioned means
being actuated by a cam, a ratchet actuating said
cam, a pawl actuating said ratchet and a connec- 12'0
tion from the machine operated in phase with
said crank means to actuate said pawl.
12. The construction set forth in claim 11 ln
which the machine is provided with means to
cause a disengagement of said last mentioned
pavvl from said last mentioned ratchet during
predetermined periods of operation.
ABRAHAM HOLTZ.
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