US1260063A - Braiding-machine. - Google Patents

Description

F. ROSSKOTHEN.

BRAIDING MACHINE.

APPLlCATlON FILED FEB.16..}9|5.

Patented Mar. 19, 1918.

3 SHEETSSHEET I.

m FIG 1 F. ROSSKOTHEN.

BRAIDING MACHINE APPLICATION FILED FEB. 16. m5.

Patented Mar. 19, 1918.

3 SHEETS-SHEET 2. H J

F. ROSSKOTHEN.

BRAIDING MACHINE.

APPLICATION FILED FEB. 16. 1915 1,260,063, Patented Mar. 19, 1918.

3 SHEETS-SHEET 3.

FERDINAND ROSSKOTHEN, OF DRESDEN, GERMANY.

BRAIIJING-MACHINE.

Specification of Letters Patent.

ltatented Mar. 19, 1918.

Application filed February 16, 1915. Serial No. 8,614.

To all whom it may concern Be it known that T, FERDINAND Rossno'rrrnu, a subject of the King of Prussia, and resident of Dresden, Lidonienstrasse 1, Kingdom or" Saxony, German Empire, have invented a new and useful Improvement in Braiding-Machines, of which the following is a specification.

The present invention refers to braiding threads, before they reach the braidingpoint. For convenience of expression, the bobbins and threads of the first group will be called hereafter innerbobbins and inner threads and the bobbins and threads of the second group outer bobbins and outer threads.

here are different systems known for making it. possible to lead the threads from the outer bobbins alternately above and below the inner bobbins without interrupting the positive driving of the'inner bobbins round the braiding point. Also various methods are known for guiding the outer threads above and below the inner bobbins. Most of these thread guide motions are complicated and not suitable for high speeds and most of these motions are only suitable for one pattern of braid or they require rather complicated alterations viz. dismounting the machine, changing of cams, etc., when a change of the pattern is'required. V

The present invention refers to a circular braiding machine with an improved system of guiding the outer threads by simple means above and below the inner bobbins. This system of guiding the thread makes it possible to change easily and quickly the pattern of braid and even makes it possible to alter the pattern of braid, when the machine is running. The new thread guiding arrangement is suitable for the highest speed. This purpose is obtained in the following manner:

The inner bobbins are placed on carriers orshuttles, which are pointed'in the direction of movement or at both ends. The inner bobbin carriers are moved round the braiding point by any of the known systems, which allow unobstructed passage of the outer threads, below the inner bobbin carriers on their way to the braiding point. "heouter bobbins are carried by a frame, which rotates in the opposite direction, but at'the same speed as the inner bobbin carriers. The inner bobbin carriers are provided with shields, which are pointed in the direction of movement or at both ends. The threads from the outer bobbins are slipping under or over the smooth rims of these shields. Such shields have been used before in machines of this kind, but the arrangements, which have been used up to now for guiding the outer threads according to necessity above or below these shields were complicated, expensive in their manufacture and to a great extent not suitable for the application of high speeds.

According to the present invention the leading or guiding of the outer threads over and under the points of the shields is performed by applying stationary, (non-revolving) guiding parts (plates, wires or switches), at those places where the outer threads meet with the points of the shields of the inner bobbin carriers.

By altering the shape and position of thesev guide parts or switches difi'erent braiding patterns can be produced and the number of difi'erent braiding patterns can still be increased by using these switches in combination with bobbin carriers whose points are movable according to the-desired pattern by a curve out into the path on which. the inner bobbin carriers are sliding. By dividing the outer threads into groups, which are guided in paths of different heights, two braids can be produced one over the other. In this case the threads of the one group may be guided by the stationary guide parts or switches and the threads of the other group may be guided by the movable points of the inner bobbin carriers. By arranging the outer threads in groups, which are guided in paths of different heights or elevations, in combination with stationary guides or switches, two or more braids, one over the other, can also be produced by using bobbin carriers, whose points are arranged in different heights. These braids are being braided. or inter meshed with each other by theinnerthreads. This system of guiding the threads makes it possible to guide two or more outer threads through each. of; the: slots, which are: arranged in the path of the inner bobbins for the purpose of allowing the outer threads to pass to the braiding point.

The. improvedibraidingi machine is shownin Figures 1-10. Drawingsihig s. l.7 serve to explain diagrammatically the new'thread guidingdevice. 1F ig. 8. showsan. inner bobs bin carrier. with. adjustable. points. Fig. 89 shows an. arrangementof inner. bobbin can riers with movable points. governedv by a.

curve; Fig, 9 show-s, the generalarrangement of. the. machine The right handside ot. the drawing; shows; a vertical. section; of themachine, andthe; lefthand side an out? sideview. .liigl-Qshows-a perspective view of. a. part. of. the machine, andthreadguid-ing 7 device...

In. the diagrammatical. drawings Figs;

-. into. contact with the polished. rims. ofthe shields... of the. inner bobbincarriers it, isv pushed: out oi the straight path. and itslips either over or. undergthe; are. shaped; shieldsof; the inner, bobbin: carriersaccording; to its; path being arranged above,- ({Fig. 1 orbe"- low. (;Big; .2.); the, points. of. the inner bobbin carriers. 7

As indicated; in,- the; drawings; thethread, returns into. the- Originalv straight; path. in consequen'ceof: itsxtension after. it. is-,no morea deflected by theshields-.. If? the path. of; the.

- outerthreadsis arranged. over the points ch the; innerbobbin: carriers, the outer threadss1ip, -o.ve-n all inner. bobbin; carriersand. movein; a. line; composed; of. straight. and. arc. shapediparts, ascindicated in 'thelower par-t ofgF-igala lit the. path ofi'the'outer thread: is arranged;- bElDW.' the; points of, the inner. bobbin. carriers, theouter'threads. movebe. 1ow:all'innenbobbin carriers. and: move a in a pathindicatedby the-diagram iniFig. 25.

According to; the present invention; the. path; ot the outer threads isar-ranged aboveor below the-13yoint's-ofthe-innen bobbin: car-- riers. and in some? of! the places,.v where; the: outer; threads meet with: the points; of; the inner; bobbin carrier-sq stationary guides. or. switches areanranged, by which; the outer. threads. are: led) or guidedto that. side ofv the: inner bobbin. carriers, which is opposite to. their ordinary path. This is distinctly shown in the diagrammatical drawings Figs. 3-6;

To; the. stationary rod; f" (which in reality is a circular ring), Fig. 3, guide pieces or switches-=c are attached. When an outer thread a, is moved in the direction (If-6Z Fig: 3", it" i's -defiect/erl in the downward. di-

rection. on. those. spots, where it comes into contact with the guide pieces or switches 6 e e c and thereby it. is. guided below the.v inner bobbin. carriers. d d el -.03 The thread thereby moves in. a path, shown in the. bottom part of Fig. 3., alternately over one, and; under one. inner bobbincarrier.

when glaring these guide pieces a symmetricai shape or fornnthe outer' threads are. moved in a wave; shaped path alternately" ovenand under one inner. bobbin; carrier. as indicatediit Fig. 4..

By using dirferent. forms. and arrangements of theguide pieces, difierent' patterns ot. braid can. be produced. In the arrange.-

mentishown. in Him. 5' the; outer threads are.

moved over 2 andrunder 2 andinthe arrangeinent shown in Fig. 6. over 1. andfunr der-B inner. bobbincarriers. 7 r

F or convenienceof. explanation ithas been: assumed up. to. now. that. the bobbin: carriers 6F and. the. switches e, are. both stationary and; that the outer threadsxmove in. thedirection. indicated by. the. arrows; but in. reality only the. guide'apieces or: switches are stationany, whereas theinner bobbin carriers move in the opposite direction to the outer threads. By thisimovement. oi theouter. threads and the. inner bobbin. carriers in; opposite directi'ons the number. of, meetings; between. an

outer. thread. and; the inner. bobbin. carriers.

isdoubled and; therefore. it: is. necessary for producing the-samekind otpattern ofbraid. to. double; also: the. number of'iguide pieces and; tereduce their length; toone half of. the:

have shieldswith raised] points, whereas the:

bobbin carriers 615654, (Z (lg. have, shields. with. lower. points,. for thepunpose. ofiproducing double: braids. .lnithis case; the outer. threads are led: to.- the: braiding. pointin; two

groups. Thethrleads a belonging tothe one group are moved in a th closely bgve, the bobbin. carriers d c 5, with raised: poi11ts,.whereas the threads belonging to the second group are moved in a path b-Z2 which is arranged under the raised points of the inner. bobbin carriers with raised points, but which is higher or above the lower points of the inner bobbin carriers (Z (Z d d If the outer threads were not deflected by the guides or switches e e all the threads (1. of the first group would slip over all inner bobbin carriers, whereas the threads Z1 of the other group would slip under the bobbin carriers 01,, (Z d d, and over the bobbin carriers (Z 614, d (i with lower points. In this manner no braiding action would be performed, but by the action of the guide pieces or switches e -e the outer threads are led in some of the meeting places under all the inner bobbin carriers, both under those with high and those with low points, but in those places where the outer threads are not influenced or deflected by the guide parts or switches, they return back to their original path a-a or Z)b respectively.

The threads a of the first group therefore perform a movement which is different from the movement performed by the second group of outer threads 2). In the eXample shown in Fig. 7 the threads a move over 2 and under 2 inner bobbins, whereas the threads 6 of the other group are guided under 3 and over 1 inner bobbin carriers. It will be seen, that therefore the inner threads form with the two groups of outer threads two different kinds of braid which are closely connected or intermeshed by the inner threads. In the finished braid the threads 6 of the lower group are not or very little visible, because they are covered by the threads at of the other group with the inner threads. By arranging the inner bobbin carriers with raised and lowered points in a different manner and also by arranging the guide parts or switches in a different way, different kinds of double braids can be produced. Fig. 8 shows a bobbin carrier with adjustable points, which can be raised or lowered as required. Fig. 8 shows an arrangement, in which the guiding of the outer threads a under or over the inner bobbin carriers is obtained by providing the inner bobbin carriers with movable points and in which the position of these points is controlled by a curved groove p, which is cut into the path G, in which the inner bobbin carriers are sliding. The inner bobbin carriers d carry with the pivots g the parts 8, which are pointed in the direction of movement. On the other end of the parts 8, these parts carry by a pivot the tongue 1", which slides in the curved groove 27 of the sliding path G. When these movable points of the inner bobbin carriers meet with an outer thread a, this outer thread will pass over and under this bobbin carrier, if the respective point of this bobbin carrierhas been moved downward or upward.

By altering the form of the curve for moving the points of the bobbin carriers, different kinds of braid can be produced. The system of guiding the threads by movable points of the inner bobbin carriers is chiefly applicable in such cases, where it is intended to produce several braids at the same time one over the other. In this case the outer threads are divided (similar to the arrangement shown in Fig. 7 in two groups a and b, which are moved along the inner bobbin carriers into paths arranged in different heights. The result is similar as explained with regard to Fig. 7 but the number of braiding patterns can be considerably increased by the simultaneous application of bobbin carriers with stationary and movable points.

In the examples shown in the drawings, it is always assumed, that the guiding parts or switches are arranged above the inner bobbin carriers and that the outer threads are led by the switches below the points of the bobbin carriers. The arrangement can also be reversed and the guiding parts or switches can also be arranged below the inner bobbin carriers. The first arrange mentis preferable, because the whole arrangement of the machine is thereby simplified. The guiding parts or switches 6 can be made of metal sheets or wires and by exchanging these guide parts Or switches the patternof braids can be altered in a very convenient manner.

The general arrangement of the machine is shown in Fig. 9 in which the right hand side shows a vertical section of the machine and the left hand side a front view. The frame A which carries the outer bobbins F and also the frame B, which drives-the inner bobbins J round the braiding point C by means of swinging drivers K, or any other suitable means, are carried by a stationary hollow pillar. The frames A and B are revolved by the driving shaft D and bevel wheels E E E E E Both frames are running at the same speed, but in opposite direction. The threads 0 from the inner bobbins are running directly to the braiding point C, whereas the threads 0 from the outer bobbins F are first led to the thread guides 0 which are revolving with the frame A and from there over or under the inner bobbin carriers to the braiding point. The inner bobbin carriers cl are sliding with slides in an annular or ring shaped path G, which is interrupted by slots L for the purpose of allowing the passage of the outer threads a. The ring 7, which carries the guiding parts or switches e is fastened to the frame of the machine, closely above the annular path G.

In order to show distinctly the passage coplelrot thlspatent may beotitalned'for five cents each, by addressing the the position of the more important parts-is shown: in a perspective View Fig. 10 in the mo1nent, when the outer threads 0, meet the points-of the inner bobbin carriers; In this drawing: it can be distinctly seen, that the outer threads are pushed or guided below the points of the inner bobbin' 'carriers in those places, where they come into contact with the guide parts or switches @,-,Whereas I inthose places, where the: outer threads are not coming into contact with a switch or guiding-part, the outer threads-are slipping? over the point of the respective inner bobbincarrier.

What I claim is:

1.- Ina braiding machine, the combina tion wlth twosets of bobbins for inner and;

outer threads revolving in oppositeadirec tlons round the braiding polnt, of carriers supporting said bobb1ns,-the carriersof the inner thread bobbins being pointed in the direction of their movement and provided with movable points, a cam for controlling the said movable points and arranged in the path on which the inner bobbin carriers are sliding, means for revolving the bobbin supporting carriers round the braiding point, and stationary non revolving guide pieces arranged in the meeting-places of the outer bobbin threads with the points otthe afore said inner bobbin" carriers for moving the outer bobbin threads to the opposite side of thepoints-of the inner carrier points.

'2. In a braiding, machine, the combina tion with two sets of bobbins for inner and outer threads revolving in'opposite directions-round thebraiding point, the bobbins nee'ogoee' of the outer threadsbeingvdivi'dedinto two groups moving in paths of dlf erent heights; otcarriers supporting said bObb11 1S,:tl1e car means for revolving-the bobbin supporting carriers round the" braiding point and stationary non revolving guide-pieces, the one group of the outer threads being controlled" by the movable points of the inner carriers" and the'othergroup by the stationary non= revolving guide-pieces:

g 3. In a braiding machine, the comb in'a tion with two groupsof bobbins for lnner and outer threads revolving in oppositedirectlons round the bralding point, the'bobbins of the outer threads being divided into groups, the threads of which are guided-in different heights, of carriers sup-portingsaid bobbins, the carr ers of the inner thread bobbins being polnted 111 the dlrectlon of their movement and arranged in difi'erentheights, means for revolving the bobbin supporting carriers roundthe braiding point, and stationary non-revolving:gulde-pieces arranged for producing two or more braids one over another connected by the inner threads.

In testimony, that I claim the foregoing as my invention, I have signed my name in presence of two Witnesses, thlstwenty-first day of January, 1915. V

FERDINAND ROS'SKOTH'EN.

lVitnesses CLARE SIMON, BERTOLD A. BRAUNL Commissioner; of Patents;

Washington, D. 0;

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