US1697155A - Multiple shed loom - Google Patents
Multiple shed loom Download PDFInfo
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- US1697155A US1697155A US39740A US3974025A US1697155A US 1697155 A US1697155 A US 1697155A US 39740 A US39740 A US 39740A US 3974025 A US3974025 A US 3974025A US 1697155 A US1697155 A US 1697155A
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- loom
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
Definitions
- the loom increases, so the size of the shuttle requires to be increased, especially in the case of stout cloths, and as a consequence the healds and reeds have to run over a Ygreater distance and this, in turn, increases the friction of the warp threads with the prongsand nets, subjecting these threads to a more severe strain and rendering them more apt to break, which in the long run means an important reduction in the output of the loom.
- Fig. 2 is an elevation of one of the-transverse frames of the same;
- Figs. 3 and 4 are front views respectively, of the frame hold ing the mechanism of the guide for the woot threadwhich frame is provided with a speed reduction gearand of a normal frame of the same mechanism;
- Figures 5 and G show, on a larger scale, the reversing mechanism for the forward and reverse movement of the guide of the woof thread;
- Figures 7 and 8 show the mechanism for forming the list;
- the group of Figures 9 are detail views showing the manner in which the formation of the selvage is carired out.
- the loom comprises four main groups or units, viz, the loom proper; the mechanism for the working of the two needles or guide of the woof threads; the mechanism for the formation of the selvage, and the apparatus for the distribution of power and movement among the groups or units just referred to.
- the first group is composedof the transverse frames 1 (Figs. 1 and 2), which are set at proper distance the one from the other and are connected by means of the stays 2. These frames are formed in their central part with vertical guides 3 for frames 4, which latter contain. the reed 5, and on these are arranged the two harnesses 6, 6', duly sustained, and through which pass the threads of the two warps 7 these threads enter the machine passing through the devices 8, which automatically stop the machine in the event of one of the threads being broken, and then pass ⁇ over the guide cylinders 9 (Fig. Underneath the reed 5, the guide rollers 10 are provided for the woven cloths, these cloths, as has already7 been mentioned, being' formed vertically.
- the mechanism lfor the transmission of movement will be refe 1red to later.
- the needles or guides 10 3) of the threads of the woof, one for each piece of cloth woven, have a rectangular section and are formed with an eye or loop r11 at one of the ends, to'allow the thread to pass.
- These needles or guides have an alternative movement along the loom underneath the reed 5, to which are joined the guides 12 that sustain the needles; these guides 12 have notches suitably arranged so as to admit of the warp threads passing without difliculty.
- The' second group is composed of the mechanism moving the two needles 10 ⁇ of the woof threads.
- This mechanism connsists simply off-an endless belt 20 passing over pulleys 21 and 22, the former of which is the driving pulley, whereas the latter is provided with a suitable tension regulating device 23 for keeping the belt at the right tension. ln addition, intermediate pulleys 24 serve to keep the upper stretch of the said belt as far possible horizontal.
- Both the pulleys 21and 22,'as well as the intermediate guide-pulleys 24, are mounted on frames 25 which are arranged at suitable distances from each other end at the same time serve as supports for thev guides 26 for a movable piece 27 (Fig. 3) to which are fitted the needles 10 of the threads of the woof, and the said piece 27,' and with it the guide-needles just mentioned, is carried along in one or the otherpdirection by the belt 20, which for this purpose carries a projection 29 acting against a projection 30 that forms part of the said Vpiece 2?".
- belt20 moves in either direction
- the driving pulley 2 receives movement from a gear for changing the direction of movement, as shown in Fi ures 5 and 6.
- rlhis gear is contained ina casing 31 and may be varied in many different ways, but the form shown by way of example comprises a shaft 32 that receives the movement and always rotates in the same direction; a shaft 33, which is also the shaft of pulley 21 and rotates in the one or the other direction according as one or other of the wheels 34 and 35 are geared to the receiving shaft for in the former case wheel 34 engages directly with wheel 3G, connected to shaft 33, whereas by connecting wheel 35, thelatter will move the intermediate system composed of the wheels 37 and ⁇ 38, and-33 will engage with the same wheel 36 mentioned before, which in this latter case will rotate in a direction opposite to that in which it rotated in the first case.
- clutch collar 39 which causes one or other of the wheels 34-35 to mesh
- levers 40 which in turn is controlled by an eccentric 41 (Fig. 1) of suitable i shape fixed on the same shaft 13, so that the needles 10 are made to move forwards, and backwards and to stop at the precise moments required.
- the group or set ot mechanisms that transmits movement to the two groups just described consists of an electric motor 42 that drives wheel 43 and thereby a shaft leading to a speed-reduction gear 44 (Fig. 1) whose external shaft 45 drives shaft 13 mentioned above, to which it is coupled by means olI an automatic release clutch 46; this clutch enables the reduction gear to continue to rotate without any danger to its component parts in the event ot the loom ceasin'g'to work -for any unforeseen reason.
- the same motor 42 by means of Wheels 4'?, transmits movement to the gear-box 31 t'or reversing the movement.
- the last group viz, the groupA oi.2 mecha-V nisms ior the formation ot the selvage of the cloths is arranged at the extreme end of the loom, opposite to the end carrying the driving mechanism and the mechanism of the needles 10.
- This group is to "med of two Yframes 48-49, arranged vertically and sustained and guided by the bracket supports 50, which are mounted on the frame 1 of the loom, they can move vertically in either direction by the combined aftion oi' springs 51 and eccentrics 52 carried on shaft 13, (Fig.
- F rame 48 is provided at the bottom with projections 52 which enter the notches or slits 53 on the needles 10 when the latter rea -h the end oli their run, so that when the needles are withdrawn they retain the respective woot threads during the backward movement oi' the said needles 10, as shown in Fig. 9. e
- the other frame, 49 is fitted with needles 54, similar to those used on machines t'or the manufacture of knitted goods. ⁇ In their upward movement these needles present the openings 52 of the projections 52 of the frame 48 and by picking upthe woot thread7 when the said projections 52 are withdrawn, cause the plaited selvage to be formed, as is clearly shown in the group of detail drawings under Fig. 9.
- the needle reaches the end of its run, that is to say when the ends of the needle through which the thread passes is opposite the mechanism for the formation o1c the selvage, and immediately the projections 52 are lowered by means oi the corresponding eccentric; at this moment the eccentric 41 acts upon the system of levers 40 and the position of the clutch collar 39 is shifted so that the direction of movement of belt 20 is changed and it moves backwards carrying with it the needles 10 until they are carried vbeyond the loom.
- a double vertical loom for weaving two cloths of double weft comprising a series of frames spaced vfrom each other, a horizontally warp is divided by the healds, me'chanisin for the Jformationof the selvage, guide cylinders for the two warps, tted to the upper part of the machine and other rollers placed in the lower part thereof for drawing and leading the woven cloth.
- a double vertical loom according to claim 1 comprising means for eecting the vertical movement oit the reed at the right Vmoments comprising eccentrics, a shaftv running the length of themachine and carrying said eccentrics, and bearings mounted in the upper part of the frames and carrying said shaft.
- a double vertical loom according ⁇ to claim 1 comprising means for eiecting the movement of the healds, comprising eccentries, a shaft arranged at one side el themachine and carrying said eccentries, and means for drivin g said sha'lt.
- a double Vvertical loom according to claim l in which two guide needles for the Woot are each provided at one end with a hole through which passes the thread, means con necting ⁇ the tivo said needles, and means, engaging such connectingmeans, and comprising an endless reciprocating belt whereby the needles are carried along, either towards the interior 0'1"' the machine or outside it.
- a double vertical leoni according to claim l, comprising guide supports attached to the said reed and adapted to hold the said needles.
- a double vertical loe-m according to claim ⁇ l comprising connecting means hetiveen the needles, means mounted on the 'frames to serve as guides ior the needles, pulleys mounted on the same frames, an endless reciprocating belt mounted on the pulleys, and means on the said belt to engage the said connecting means and reciprocate the needles.
- a double vertical loom according te cla-iin l comprising an endless belt, pulleys carrying the belt, means on the belt for reciprocating the needles, a source of power for driving one of the pulleys, and an auto matic reversing gear for transmitting the reciprocatingI motion to the belt through the said driven pulley.
- a double vertical loom according to claim l in which the mechanism for the formation of the selvagge comprises two iframes vertically arranged at one end of the machine, means Vfor imparting alternate vertical movement to the fra-mes, projections mounted on one of the iframes and serving to retain the thread ot the Woof during the backward movement or the needles leading,l the thread, and needles litt-ed to the other frame to form the plaiting ⁇ of the selvage.
- a double vertical loom accoroing to claim l in which the mechanism for the formation oi' the selvagge comprises vertically movable frames, spring and eccentric meehanism 'for imparting the vertical movement to said frames, and means, carried by said frames, for Aforn'iing the plaiting4 of the selvage.
- a double vertical loom accordingl to claim l comprising a driving motor, speed reduction gear, and a suitable automatic re lease clutch.
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Description
Y lvent'or: Joagui .Zu/uefa'.-
loef" 3 Sheets-Sheet 2 J. zULuETA MULTIPLE SHED L00 *Filed Jun 26, 1925 Jari. l, 1929.
.Hilomej Jan. l1, 1929. 1,691,155
` J zuLuE'rA MULTIPLE SHED 1.0011` Filed June 2e, 1925 :s sheets-Sheet 3 i Joa all? Zuua.
` en f 'jf/omen Patented Jan. 1, 1929.
UNITED STATES JOAQUIN ZULUETA, OF RENEDO DE ESQUEVA, SPAIN.
MULTIPLE Application filed .Tune 26, 1925, Serial The present invention refers to a new continuous double power loom without shuttle for weaving two pieces of cloth at the same time in any breadth. y
Down to the present day kmany innovations have been introducedin looms with the lobject of counteracting as far as possible the constant increase of the cost of labour; these innovations consist, some in the application of in special .appliances enabling a greater number of looms to be allotted to one weaver, and others in increasing the speed of the mechanisms of the loom, and in both these cases an increase in output is obtained that compeni sates in part the higher wages paid to labour. A satisfactory solution of this economic difficulty is provided by the loom forming the subject of the present invention, as it is possible by its means for one weaver to take charge of a considerable number of looms and also because it eliminates, or at any rate very greatly lessons, the causes of the interruptions that are rconstantly experienced in the looms now in use upon the formation of the weft.
The outstanding characteristics of the loom in question are: that no shuttle is used; that its weft is continuouswithout any break; that the fabric woven on it may be of great breadth ;-and that it weaves two cloths at the 3o same time; and the combination of these conof power, oil, tools and belting; as in addi-;
tion it may be fitted with a mechanism for automatic stoppage upon anythread of the warp or woof becoming` broken, it will be understood that this circumstance enables one weaver to attend to several looms at one and the same time.
Owing to the facty that this loom is double, the output thereof for any given speedv is also double, and accordingly the looms can run at a lesser number of revolutions, with the re-y sult that the threads very rarely get broken and the loom is able to produce continuously, the loss in speed being made up by the double c amount of work it can accomplish at the number of revolutions at which it works.
An important factor in the output of loomsr SHED LOOM.
No. 39,740, and in Spain `Tune 26,1924.
the loom increases, so the size of the shuttle requires to be increased, especially in the case of stout cloths, and as a consequence the healds and reeds have to run over a Ygreater distance and this, in turn, increases the friction of the warp threads with the prongsand nets, subjecting these threads to a more severe strain and rendering them more apt to break, which in the long run means an important reduction in the output of the loom.
This serious difficulty is overcome by the present invention, for there being no shuttle the distance over which the reeds travel is reduced to a third or fourth of the co-urse they are accustomed to run in shuttle looms and friction is therefore veryl slight, with theref tended to on either side ofthe loom. By this double arrangement the loom yoccupies very little spaceand by placing an intermediary passage between these double looms, a girl will be able to attend to two cloths at one and the same time, viz, one cloth on each loom without leaving the passage formed by the two Ydouble looms.
Owing to the design of the loom being vertical, the girl will have the warp threads coming to the beam and the cloth that is woven infront of her, and she will not be obliged to move to the rear part of the machine in order to tie the threads, as isv the casein looms in which the beam is situated towards the back. I p ,f l The fact that the double loom can be vertically arranged and can produce two pieces of cloth at the same time in a limited'space is due to the system of weaving by means of a needle and dispensing with a shuttle, which system, besides causing the thread of the woof to be endless, enables cloths .to be woven of whatever breadth is desired, without lany limit, a result that has hitherto not been obtainable on machines. n
In the following pages a detailed description ofthe loom in question will be given with reference to the drawings on the sheet yattachedhereto. e Y A Fig; l is a general front view of the loom;
Fig. 2 is an elevation of one of the-transverse frames of the same; Figs. 3 and 4 are front views respectively, of the frame hold ing the mechanism of the guide for the woot threadwhich frame is provided with a speed reduction gearand of a normal frame of the same mechanism; Figures 5 and G show, on a larger scale, the reversing mechanism for the forward and reverse movement of the guide of the woof thread; Figures 7 and 8 show the mechanism for forming the list; and the group of Figures 9 are detail views showing the manner in which the formation of the selvage is carired out.
The loom comprises four main groups or units, viz, the loom proper; the mechanism for the working of the two needles or guide of the woof threads; the mechanism for the formation of the selvage, and the apparatus for the distribution of power and movement among the groups or units just referred to.
The first group is composedof the transverse frames 1 (Figs. 1 and 2), which are set at proper distance the one from the other and are connected by means of the stays 2. These frames are formed in their central part with vertical guides 3 for frames 4, which latter contain. the reed 5, and on these are arranged the two harnesses 6, 6', duly sustained, and through which pass the threads of the two warps 7 these threads enter the machine passing through the devices 8, which automatically stop the machine in the event of one of the threads being broken, and then pass `over the guide cylinders 9 (Fig. Underneath the reed 5, the guide rollers 10 are provided for the woven cloths, these cloths, as has already7 been mentioned, being' formed vertically. The mechanism lfor the transmission of movement will be refe 1red to later. The needles or guides 10 3) of the threads of the woof, one for each piece of cloth woven, have a rectangular section and are formed with an eye or loop r11 at one of the ends, to'allow the thread to pass. These needles or guides have an alternative movement along the loom underneath the reed 5, to which are joined the guides 12 that sustain the needles; these guides 12 have notches suitably arranged so as to admit of the warp threads passing without difliculty.
This group or unit is completed` by the mechanism for advancing the Woven cloths, which is neither described nor shown in the drawing as any one of the suitable mechanisms already known may be employed.
The movement of the machine elementswith the exception of the needles 10, for which a special set of gears is providedis effected by a shaft 13, which is mounted in bearings 14 and `is carried on the frames 1 along the machines. On this shaft are itted the cams 15, which act upon arms 16 on the frames 4, whereby the alternate vertical movement of the reed 5 is obtained. 0n vthe same shaft 13 are also tted the chain wheels 17 having sprocket gear for driving the shaft 13, on which are fitted cams 19 that impart by suitable connections (not shown) anialternate horizontal movement to the harnesses 6 and 6 precisely at the suitable moments as determined by the profiles of said cams.
The' second group is composed of the mechanism moving the two needles 10 `of the woof threads.
This mechanism connsists simply off-an endless belt 20 passing over pulleys 21 and 22, the former of which is the driving pulley, whereas the latter is provided with a suitable tension regulating device 23 for keeping the belt at the right tension. ln addition, intermediate pulleys 24 serve to keep the upper stretch of the said belt as far possible horizontal. A
Both the pulleys 21and 22,'as well as the intermediate guide-pulleys 24, are mounted on frames 25 which are arranged at suitable distances from each other end at the same time serve as supports for thev guides 26 for a movable piece 27 (Fig. 3) to which are fitted the needles 10 of the threads of the woof, and the said piece 27,' and with it the guide-needles just mentioned, is carried along in one or the otherpdirection by the belt 20, which for this purpose carries a projection 29 acting against a projection 30 that forms part of the said Vpiece 2?". As will be readily understood, belt20moves in either direction,
and for this purpose the driving pulley 2] receives movement from a gear for changing the direction of movement, as shown in Fi ures 5 and 6. rlhis gear is contained ina casing 31 and may be varied in many different ways, but the form shown by way of example comprises a shaft 32 that receives the movement and always rotates in the same direction; a shaft 33, which is also the shaft of pulley 21 and rotates in the one or the other direction according as one or other of the wheels 34 and 35 are geared to the receiving shaft for in the former case wheel 34 engages directly with wheel 3G, connected to shaft 33, whereas by connecting wheel 35, thelatter will move the intermediate system composed of the wheels 37 and`38, and-33 will engage with the same wheel 36 mentioned before, which in this latter case will rotate in a direction opposite to that in which it rotated in the first case. i
The engagingor disengaging of clutch collar 39, which causes one or other of the wheels 34-35 to mesh, is controlled by a system of levers 40, which in turn is controlled by an eccentric 41 (Fig. 1) of suitable i shape fixed on the same shaft 13, so that the needles 10 are made to move forwards, and backwards and to stop at the precise moments required.
The group or set ot mechanisms that transmits movement to the two groups just described consists of an electric motor 42 that drives wheel 43 and thereby a shaft leading to a speed-reduction gear 44 (Fig. 1) whose external shaft 45 drives shaft 13 mentioned above, to which it is coupled by means olI an automatic release clutch 46; this clutch enables the reduction gear to continue to rotate without any danger to its component parts in the event ot the loom ceasin'g'to work -for any unforeseen reason.
The same motor 42, by means of Wheels 4'?, transmits movement to the gear-box 31 t'or reversing the movement.
The last group, viz, the groupA oi.2 mecha-V nisms ior the formation ot the selvage of the cloths is arranged at the extreme end of the loom, opposite to the end carrying the driving mechanism and the mechanism of the needles 10. This group is to "med of two Yframes 48-49, arranged vertically and sustained and guided by the bracket supports 50, which are mounted on the frame 1 of the loom, they can move vertically in either direction by the combined aftion oi' springs 51 and eccentrics 52 carried on shaft 13, (Fig.
The other frame, 49, is fitted with needles 54, similar to those used on machines t'or the manufacture of knitted goods.` In their upward movement these needles present the openings 52 of the projections 52 of the frame 48 and by picking upthe woot thread7 when the said projections 52 are withdrawn, cause the plaited selvage to be formed, as is clearly shown in the group of detail drawings under Fig. 9.
The working ot this machine takes place in the followingmanner Let us suppose, for the purpose of demonstration, that the machine is ruiming at full speed and is at the stage when the forward movement of needles 10 is about to begin, that is to say, when the part 27 conducting the needles isat the end of the mechanism that imparts movement to it, or towards the` able position on the machine and not shownV on the drawings for thesalre of clearness.
The needle reaches the end of its run, that is to say when the ends of the needle through which the thread passes is opposite the mechanism for the formation o1c the selvage, and immediately the projections 52 are lowered by means oi the corresponding eccentric; at this moment the eccentric 41 acts upon the system of levers 40 and the position of the clutch collar 39 is shifted so that the direction of movement of belt 20 is changed and it moves backwards carrying with it the needles 10 until they are carried vbeyond the loom. A
Thereupon, by the action of the same eccentric 41, belt 20 is stopped and immediately reed 5 drops with the two woot threads left in the turn of the needles 10, the healds 6 and 6 change position and reed 5 moves back, whilst the cloth simultaneously moves forward. During this alteration, the needles -54 have acted in the manner described above,
forming a new laced chain ot selvage to the cloths themselves. j
The machine is now ready to begin a new turn and will do so as soon as the eccentric 41 causes the corresponding wheels to engage so :as to obtain the forward movement of the needles 10.
The machine described--and the description, as already mentioned, has been given by way ot example-may vary as regards its accessory forms and its dimensions as well as in the materials of which it is built, in the quality and widths of the cloth to be woven and in all other circumstances that cannot directly or indirectly affect its essential char-` acter.
lVhat I claim is: j
1. A double vertical loom for weaving two cloths of double weft, comprising a series of frames spaced vfrom each other, a horizontally warp is divided by the healds, me'chanisin for the Jformationof the selvage, guide cylinders for the two warps, tted to the upper part of the machine and other rollers placed in the lower part thereof for drawing and leading the woven cloth.
- 2. A double vertical loom according to claim 1, comprising means for eecting the vertical movement oit the reed at the right Vmoments comprising eccentrics, a shaftv running the length of themachine and carrying said eccentrics, and bearings mounted in the upper part of the frames and carrying said shaft. Y
3. A double vertical loom according` to claim 1, comprising means for eiecting the movement of the healds, comprising eccentries, a shaft arranged at one side el themachine and carrying said eccentries, and means for drivin g said sha'lt.
1l. A double Vvertical loom according to claim l, in which two guide needles for the Woot are each provided at one end with a hole through which passes the thread, means con necting` the tivo said needles, and means, engaging such connectingmeans, and comprising an endless reciprocating belt whereby the needles are carried along, either towards the interior 0'1"' the machine or outside it.
5. A double vertical leoni according to claim l, comprising guide supports attached to the said reed and adapted to hold the said needles.
6. A double vertical loe-m according to claim` l, comprising connecting means hetiveen the needles, means mounted on the 'frames to serve as guides ior the needles, pulleys mounted on the same frames, an endless reciprocating belt mounted on the pulleys, and means on the said belt to engage the said connecting means and reciprocate the needles.
7. A double vertical loom according te cla-iin l, comprising an endless belt, pulleys carrying the belt, means on the belt for reciprocating the needles, a source of power for driving one of the pulleys, and an auto matic reversing gear for transmitting the reciprocatingI motion to the belt through the said driven pulley.
8. A double vertical loom according to claim l, in which the mechanism for the formation of the selvagge comprises two iframes vertically arranged at one end of the machine, means Vfor imparting alternate vertical movement to the fra-mes, projections mounted on one of the iframes and serving to retain the thread ot the Woof during the backward movement or the needles leading,l the thread, and needles litt-ed to the other frame to form the plaiting` of the selvage.
9. A double vertical loom accoroing to claim l, in Which the mechanism for the formation oi' the selvagge comprises vertically movable frames, spring and eccentric meehanism 'for imparting the vertical movement to said frames, and means, carried by said frames, for Aforn'iing the plaiting4 of the selvage.
l0. A double vertical loom accordingl to claim l, comprising a driving motor, speed reduction gear, and a suitable automatic re lease clutch.
JOAQUIN ZULUETA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1697155X | 1924-06-26 |
Publications (1)
Publication Number | Publication Date |
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US1697155A true US1697155A (en) | 1929-01-01 |
Family
ID=8345489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US39740A Expired - Lifetime US1697155A (en) | 1924-06-26 | 1925-06-26 | Multiple shed loom |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738810A (en) * | 1950-08-01 | 1956-03-20 | Licencia Talalmanyokat | High capacity mechanical looms |
US3674058A (en) * | 1970-01-20 | 1972-07-04 | John Sellers | Loom and woven tape made therefrom |
-
1925
- 1925-06-26 US US39740A patent/US1697155A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738810A (en) * | 1950-08-01 | 1956-03-20 | Licencia Talalmanyokat | High capacity mechanical looms |
US3674058A (en) * | 1970-01-20 | 1972-07-04 | John Sellers | Loom and woven tape made therefrom |
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