US1495177A - Loom for weaving tubular fabrics - Google Patents

Description

May 27, 1 24. 1,495.17?

A. P. HINSKr' LOOM FOR WEAVING TUBULAR v FABRI CS Filed Aug. 15. 1920 5 Sheets-Sheet 1 k\\\\\\\\\\\\\\\\\\\\\\\\\ I I I I llllllllllll l II II II May 27 1924.

- A. P. HINSKY LQQM FOR WEAVING TUBULAR FABRICS 19?.0 5 Sheets-Sheet 2 Filed Aug. 13

May 27, 1924. 1,495,177

. A. P. HINSKY LOOM FOR WEAVING TUBULAR FABRICS Filed Aug. 13. 1920 5 Sheets-Sheet May 27, 1924.

A. P. HINSKY LOOM FOR WEAVING TUBULAR FABRICS Filed Aug. 13.

1920 5 Shets-Sheet 4 May 27 1924.

. A. P. HINSKY LOOM FOR wmvnm TUBULAR memes Filed Aug. 13, 1920 5 Sheets-Sheet 5 Patented May 27, 1924.

UNITED? STATES TENT; r1;

ANTHONY P. HINSKY, or BROOKLYN, NEW YORK, ASSIGNQR To nasqrnn-n TUBE AND IDOL 00., me, A oozarona'rron on NEW ,Yonx,

LOOM FOB WEAVING TUBULAR FABRICS.

Application filed August 13, 1920. Serial No. 403,201.

T 0 all whom it may concern Be it known that I, ANTHONY P Hlnsxr, a citizen of the United States, residing at 8101 Clarendon Road, Brooklyn, New York, have invented certain new and useful Improvements in Looms for Weaving Tubular Fabrics, of which the following is a'clear, full, and exact description.

This invention relates to looms for weaving tubing and particularly to looms for weaving flexible tubular conduits for elec-' trical uses.v j

A general object of the invention is so to improve the construction and mode of operation of such looms that they may be operated at higher speeds than heretofore, and that they will also require less attention on the part of the supervising operator.

A particular object of the invention is so to construct such looms that. they may be used in weaving materials other than the usual textile materials, such, for example, as strands of paper, etc., without the liability to breakage of the strands and clogging of the machine encountered with prior constructions when it has been attempted to utilize them for handling such materials.

Other objects and important features of the invention will appear from the following description and claims when considered in connection with the accompanying drawings, in Which I Fig. 1 is anelevation of a machine embodying the present invention;

Fig; 2 is a plan view of the machine;

Fig. 3 is a horizontal section showing in plan the cam for operating the shed-formingwarp guides or arms;

Fig. 4 is a vertical section of the upper part of the machine;

Fig. 5 is an enlarged plan of one of the shuttle spool holders showing the tension release;

Fig. 6 is a detail section through the shuttle spool and its tension brake; a

Fig. 7 is a detail elevation of the mecha nism f r. effecting a shedding motion of the warp guides;

Fig. 8 is a section showing the construction of the slide carrying the cam roll that effects the shedding motion of the warp arms; 7

.Figs. 9 and 10 are plan details showing the operation of the mechanism which caris effected from tion between the'tube feeding or winding drum and the machine drive; 1

Fig. 12 is a sectional detail of thisdriving connection; and

Fig. 13 shows a support provided with an a circular casting 6 having a somewhat out-t.

wardly flared upper part 8, provided with vertical guides 10 for the shed-forming arms 12 and 14 which carry the warp threads or strands. The number of guides 10 provided in the part 8 of the casting 6 is usually more than the number of shed-forming arms in I use'at any one time.

lies the lower warp thread beneath the shut- 11 is a detail of the driving connec- The illustrated shed-forming arms 12 and 14: are mounted respectively'in socket members or holders 16'and 18, which in turn are fulcrumed inpairs upon bearing shafts 20 carried in upright supports 22 mounted upon the table 2. Thetable top 2 of the casting 6 may be cast integral therewith if desired.

An important feature of the present invention is the Operation of the arms 12 and 14c, to effect the shedding motion, from a single cam groove in the cam disc 2 L, this construction permitting a more rapid rota tion of the cam disc 24, and consequently a. more rapid operation of the whole machine. through which The illustrated mechanism the shedding motion of the arms12 and 14:

a single cam is shown particularly in Figs. L and 7 of the drawings, and comprises a slide 26 mounted in a radial slot or guideway. 28 inthe table 2, this slide carrying upon its under v I Fig. 4 of the drawings, a cam roll 30 traveling in a cam groove 82 in the cam disc 24, the shape oft-his groove 32 being shown in the plan view of this disc in Fig. 3 of the drawings. At one end, slide 26 is provided with ears 84, between which is pivotally confined one end ofthe link 86, the other end of which is pivotally confined between I ears38 upon an arm 40 fixed upon rock" shaft 12 having its hearings in lugs'or, arms 43 projecting inwardly from the two members which constitute. the upright 22,, the

side, as shown in arm.40 being confined between these two members. Fixed upon the outer ends of the rock shaft 42 are arms 44 and 46, the arm 44 being pivotally connected by a link 48 to ears or lugs 50 upon the under side Fig. 4 of the'drawingsit causes the arm 12 to be raised, and the arm14 to be lowered, to form the shed as shown in this figure. lVhen the arm 40 is moved in the direction to rock the shaft 42 in a counter-clOclnvise direction, the arm 12 is lowered and the arm 14 is raised, and the other warp shed is formed.

By providing two shuttles operating upon diametrically opposite sides of the machine, a single cam like that shown in Fig. 3 of the drawings, which is merely eccentrically positioned with respect to the axis of rotation of the disc 24, will effect the shedding motion of the arms 12 and 14 at the proper times, this cam of course being properly set with respect to the means that carries the shuttles around.

In the illustrated construction, the shuttles comprise spool-holding arms 56 and 58 carried upon plates 60 forming parts of the shuttle carrying slides, the arms 56 and 58 being pivoted at 62 and 64 for relative swinging movement in a horizontal plane, and being further confined and guided by screws 66 in slots 68. The lower part of the shuttle slide comprises a member 70 having an upturned flange 7 2 received in a guide-way 74 formed in inwardly and downwardly projecting lugs cast upon the inner face of the casting 8, the shuttle slide being thus confined by the plate 60 which is fastened to the upper part of the member 7 0 and which has a downwardly extending flange 76, and by the upwardly extending flange 72, against movement relative to the casting 8 other than its movement about the axis of revolution of the shuttles.

The arms 56 and 58 of the shuttles are of unequal length, and are provided respectively with inwardly extending arms 7 8 and which overlap, and which have at their inner extremities, respectively, grooved rolls 82 and 84, over which the weft thread or strand from the weft 0r shuttle spool 86 is guided.

The spool 86 is of course removable to provide for replacement by a spool having a new supply of weft material thereon, and is rotatably mounted upon a removable pivot pin or shaft 88 confined in sockets in the arms 56, and 58 by hooks 90 pivotally mounted upon said arms, andadapted to hook over the ends of the pin or shaft 88 that project beyond the arms. Adjacent to the arm 56 the shuttle mechanism is provided with a friction tension device comprising a disc 92, having upon its inner face adjacent to the spool 86 friction material 94 which is pressed against the adjacent end of the spool 86 by reason of the action of the spring 96 connecting the arms 56 and 58 and tending to pull these arms toward each other.

The action of the mechanism ust described will be obvious. By reason of the overlapping of the arms 80 and 7 8, the weft strand passing overthe rolls 82 and 84. will tend, when pulled tight, to move the arms 56 and 58 apart against the action of the spring 96. Thus, if the tension on the strand becomes too great, by reason of any interference with its movement, the strand will move the'arms' 56 and 58 apart and thus release the action of the friction face 94 of the friction disc 92 upon the spool 86 and permit the spool to turn more easily.

The shuttle-carrying slides are carried around the axis of the tube to carry the weft strands between the warp strands by mecli anism now to be described:

In its broader aspects, this mechanism has features of similarity to the prior art, but in many important respects it has features of improvement over the prior art. The illustrated mechanism comprises a rotatable carrier 98, by which the lower warp thread or strand is engaged and carried beneath the shuttle-carrying slide as the shuttle is moved past the warp threads after a shedding movement of the warp threads, this carrier having four thread-receiving slots 100 formed in an upturned circularflange 102, as shown in Figs. 4, 9 and 10. This flange travels in an arc-shaped groove 104 on the under side of an inward extension 106 of the slide mem- 7 her 70.

The carrier 98 not only turns about on its own axis, but is moved bodily about the axis of the tube that is being woven. mechanism for revolving the carrier about the axis of the tube comprises an arm 108 having at its outer end a vertical bearing 110 for a shaft 112, with the upper end of which the carrier 98 is connected, or with which it may be integral; and having at its lower end a pinion 114meshing with an annular rack 116 formed'in a plate 118 carried by the machine frame. At its other, end the arm 108 is connected to, or formed integral with, a sleeve or hub 120 surrounding a stationary tube or hollow shaft 122, through the centre of which the flexible woven tube is passed as it is completed. The hub or sleeve 120 has mounted thereon a bevel gear 124 which meshes with and is driven by a bevel pinion or gear 126 carried upon a driving shaft, upon the other end of which is a belt The ' formed with an inner pulley 128 by which the machine may be connected to any suitable source of power.

From the foregoing description, it will be seen that as the hub or sleeve 120 is rotated through its connection with the driving pulley 128, the arm 108 will carry around with it the carrier 98; and as the carrier 98 revolves about the shaft or tube 122, it will in turn rotate upon its own axis by reason of the engagement of the pinion 114 with the stationary rack 116. As the carrier 98 rotates, that one of its notches 100 in which one of the warp threads is located will carry this warp thread beneath the shuttle slide at the same time that the shut-' tle slide is being carried along by the revolving movement of the carrier 98 about the tube or shaft 122. Another one of the notches will be in position to receive the other warp thread at the end of the next shedding movement of they warp thread carrying arms 12 and 14, and this thread will also be carried beneath the shuttle slide as the slide again passes between the warp threads in their new shed relation.

Flexible insulating tubes are frequently lining made by curving a flat strip about its longitudinal axis, and in Fig. 4 of the drawings the machine is shown as operating to form a tube with a lining of this character, the lining being shown at 130, the material which forms the lining passing down through a conical curving guide 132, of well known construction, supported in a holder 134 upon a cross rod 136 carried by upwardly extending rods 138 mounted on the main frame.

The warp threads are led from warp spools 140 which, according to the usual practice, are arranged around the machine either upon the floor or upon suitable holders 142, such as are illustrated in the drawings, and are carried up over tension devices mounted on the rod 143 surrounding the main casting 6. The illustrated tension means comprises a tension support 144 forked at one end to receive the rod 143, the

support 144 being held upon the rod in any suitable way as by a set screw 144 threaded into the tension support and engaging the rod. Upon-this support is pivoted a lever having one arm 146 carrying a grooved thread guiding wheel or sheave 148 and having another arm 150 connected by a spring 152 to an extension 154 from the support 144. The thread is also guided through an eye 156 carried by the support 144. The wheel or sheave 148 may be made of any suitable material such, for example, as vulcanized fibre.

Further means for providing tension and for affording a tension release when the tension runs too high is shown in Figs. 1 and 13 of the drawings, and comprises abrake 158 arranged to engage the side of the spool so distributed that the by gravity into engagement with the side of the spool 140. When the tension of the thread, owing to the'resistance to turning of the'warp spool 140, becomes too great, the pull on the arm 163 rocks the brake 158 out of engagement with the side of the spool.

The tubing, as it' is completed, passes down over a guiding pulley or sheave 168 and is then wrapped once or twice around a grooved-winding drum 170 which serves to pull the completed tubing down through the tube or shaft 122 and to maintain a tension on the warp threads. The winding drum 170 is automatically turned by suitable connections with the source of'power,

the illustrated connections comprising a worm 172 engaginga worm gear 174 at-' tached to the shaft 176, to which; the drum 170 is connected, the worm 172 being carried upon a shaft 178 to which is connected a gear 180 meshing with a pinion 182 'on a parallel shaft 184, which has outsidethe machine frame a squaredend 185 to receive a crank for turning the drum 170 either in a winding or an unwinding direction. In order that the shaft 184 may be turned in the unwinding direction,

pawl and ratchet, as shown in Figs. 1 and 11. As shown in Fig. 11, the pinion 182 is connected to or integral with the ratchet wheel 186, and the pinion and ratchet wheel are connected to the shaft 184. A large gear 188 is loosely mounted upon the shaft 184 between the bearing 190 of said shaft and the ratchet wheel 186, this gear carrying a pawl 192 which engages the ratchet teeth of the ratchet wheel 186. The gear 188 meshes with a pinion 194 attached to the shaft. which carries the driving pulley 128, the ratchet teeth on the ratchet wheel 186 being turned in such a direction that the gear 188 tends, through the pawl 192,.to rotate the ratchet wheel 186 withit.

It is to be understood that the invention is not limited to the particular construction.

and arrangement of parts of the illustrated embodiment of the invention but that the invention may be embodied in other forms within the scope of the claims.

Having explained the nature and object of the invention and having specifically described a machine embodying the invention in its preferred form, what is claimed is- 1. In a loom for weaving tubular fabrics,

connection between this shaft and the power is made through a the combination with a shuttle arranged to travel around the tube, of means for passing one of the warp threads beneath said shuttle comprising an upwardly flanged disc arranged to revolve about the tube and to rotate upon its own axis the flange of said disc being provided with thread receiving slots by which the warp thread is carried beneath the shuttle, and said shuttle being provided upon its under face with a groove receiving a portion of said flange and by the engagement between which and said flange the shuttle is moved.

2. In a loom for weaving tubular fabrics, a shuttle comprising relatively movable bob bin-carrying arms cooperating to support the bobbin between them, a brake carried by one of said arms and, adapted to engage the bobbin, a spring tending to hold said arms in brake-applying relation, said arms having overlapping weft thread guides so arranged that the thread tension tends to separate said arms and release said brake.

3. In a loom for weaving tubular fabrics, a plurality of shed forming warp guides arranged in pairs about a common center and each pair adapted to rock upon a common axis from one shed forming position to the other, shuttles movable about said common center, and means rotatable about said center constantly connected to said shuttles for carrying said shuttles through the succeiving and passing one of said wraps between the shuttle and its carrying means.

4. In a loom for weaving tubular fabrics, a plurality of shed forming guides arranged about a common center, means for actuating said guides from one shed forming position to another, shuttles movable about said common center, and means rotatable about said center constantly connected to said shuttles about said center for carrying said shuttles and arranged to hold the shuttles from movement relatively thereto in either direction through the successive sheds constructed to allow the warp threads to pass between the same and said shuttles.

5. In a loom for weaving tubular fabrics, a plurality of shed forming guides arranged about a common center, means for actuating said guides from one shed forming position to another, shuttles movable about said common center, and a series of shuttle carriers each mounted to rotate on an axis at a distance from said center and constantly engaged with a shuttle during its rotation about said axis, means for supporting said carriers for movement together about said center to carry the shuttles through the successive sheds, and slots formed in said carriers to allow the passage of the warp threads between the same and the shuttles.

6. In a loom for weaving tubular fabrics,

a pair of shed forming warp guides arranged to swing about a common axis from one shed forming position to the other, a rock shaft, arms on said rock shaft, links connecting the arms on said rock shaft with the shed forming guides constructed and ar- 7. In a loom for weaving tubular fabrics,

means for shifting a series of warp threads from one shed forming position to another, shuttles movable about a common center, a series of carriers rotatable about said center and each rotatable upon its own axis and constantly connected to one of said shuttles for carrying said shuttles through the successive sheds, the carriers being constructed to receive and pass the warp threads between the shuttles and the carriers, and means for actuating the carriers.

8. In a loom for weaving tubular fabrics, the combination with a shuttle arranged to travel about a given center, and means for moving a series of warp threads from one shed forming position to another, means for moving the shuttle comprising a disc ar ranged to revolve about said center and to constantly engaging in a groove of the shuttle and formed with thread-receiving slots by which thewarp threads are carried between the shuttle and said carrier, and means for actuating the carrier.

9. .A loom for weaving tubular fabrics having, in combination, a series of shuttles cessive sheds, and comprising means for re rotate upon its own axis and having a flange arranged to travel about a common center, 7

means for moving a series of warp threads from one shed forming position to another, means for moving each shuttle comprising a disc arranged to revolve about said center and to rotate upon its own axis and having a flange constantly engaging in a groove in g the shuttle and formed withthread-receiving slots by which warp threads are carried between the shuttle and the carrier, and

means for revolving the carriers about said a center and for rotating the carriers about their axes, comprising an annular rack and gears mounted to revolve about said center with the carriers and meshing with said rack, and connections between said gears and the respective carriers for rotating the carriers. I

Signed at Brooklyn, N. Y., this eleventh day of August, 1920. I

ANTHONY P. HINSKY.

Witnesses:

EDWIN J. SCHNEIDER, E. A. WEEKS.

Images