US1413931A - Carrier drive for braiding machines - Google Patents

Description

' A. PETERSEN.

' CARRIER DRlV E FOR BRAIDING MACHINES.

APPLICATION FlLED' JULY 3 0, 1920.

Patented Apr. 25, 1922.

1,413,931.. 2 $HEETS-SHEET I.

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AJPETERSEN. CARRIER DRIVE FOR'BRAIDING MACHINES.

APPHCATION FILED JULY 30, 1920.

Patented Apr. 25, 1922.

2 SHEETS-SHEET 2- v JTLUGTL 1472,7562 fatersen m H M mm W q 1 m i STATES I AivKEarETERsE or wm'rnaor, massacnnsnrrs; ASSIGNOR TQ AMnmcAn-wmn Morin COMPANY, OF naarrozan, CONNECTICUT, coRroRATIon or connncrrcnr.

' CARRIER. DRIVE iron examine MACHINES.

T all w item it may concern. v

Be it known that I, ANKER' PETERSE a citizen ofthe United States of America, and

resident of Winthrop; in the. county of Suffolkan'd State of h Iassachusetts, have invented new and useful Improvements in Carrier Drives forBraid-ing Machines, of

which the following is a specification,

This invention relates to braiding inachines-and more particularlyto that type in which a support havinga series ofthread carriers is mounted within a second support also providedwith a series of thread car v riers, the two series of carriers being re-i volved in opposite directions, movable guidesbeing employed for carrying the strands of carriers. One arrangement for accomplishing'this-result isdisclosedin thepatent'to driving rolls .must be accurately machined ill-order "secure proper'drivinglengage- I ment with the large number. of rolls emp l'oyedyand as thisdisc is necessarily thin Peterson. 1331.672, February. 24:, 1920. In

the deviceotthis patent the driving disc employed for imparting. movement to the and of'large diameter, andasit is subjected to heavy stresses whenrotated at theproper i operative speed it is "foundin practice that "it'trequently becomesvdistortedtosuch an 'eXtent as to failito function in the desired 'n'ianner. Ii 1 One object of'the'present invention'is to provide means for actuating theqdriving rolls of character such that itvmay be readily and cheaply constructed,- that-it'will f simultaneously engage the entire series of rolls in proper manner, and will be of a character such that it will not readily be deformed in use. f

*Ia mechanisms of" this" type, it is very desirable that there shall be no slip between the drivingrolls and'the disc whereby they are actuated, as when such slip occurs the Specification of'Letters l atent.

movement of the carrier drivenby'sai'd Patented A ia-251922.

Application filed July so, 1920. Serial 110,490,170;

roll becomesuncertain, interfering with the polnt. i A furtherobject of the present invention proper, laying of the-strand at the braiding is to so construct the driving roll Ias to avoid As aimeans for attaining the above ob 1 I ing 'disc may,"ii desired; be formed of a series of radially extendingresilient blades I or plates which may be of spring steel or other suitable material and as a roll :actue ating element; the "endsxof said i blades may jects, the circumferential portion of the drivhave secured thereto a *conti'nuous band or strioof suitable friction materialconnecte'cl I i to the several blades in any desired mannelt,

as for example by-ineans-ofrivets a lacing.

cord or "both. For cooperating :with; the 1 strip carried by the actuating" disc, the roll may be provided with .a felt surface; andias herein disclosed, such felt surface may,- if H Y desired, take the form of afelt washer'of v substantial thickness, which maylin' itself constitute the driven "element ofthe molly. being slipped upon an axle memher and suit 8 3 c; "ably 'setiured thereto. Oneanode of-carryin'g out the aboveobjects is illustrated jin; the

accompanying drawings, in which metrical. cross-sectionthrough 'a braiding Figure'l isa fragmentary; transverse jdia machine otthetype to which this invention is applied;

: Fi gure 2 is l'clather'strip connected thereto; e

V Figure is'a-cross sectionon"thedine c'b--ofFig.;2 and if through one of the driving rollers shown in Figfl mm j i 1 v Referring the drawingsil is'the' frame a fragmentary top" plan view of the'roller actuati.jgifidlsc showinggthe" I fFig'ure 4 i's-"a longitudinalcross-section i 'i of the machine, this trame being substan 'tial-ly spidershaped and having a central hub 2 which supports a centrally-arranged tubular shaft 3 throughlwhich the braid is drawn, and'at whoseupperend is the braid ing point. The" shaft 3 is surrounded by sleeve it which is freely rotatable upon the shaftfi and to which'is keyed a bevel gear ,5,' such :gear turningeupon the upper face the pinion 10.

"inner end a pinion which meshes with and drives the gear 5. I p

. 11 is'a revolving frame turning freely upon the shaft t above the gear 5,"said frame carrying the usual strand'guides in a manner common in the art and being provided with a bevel gear 12 which also meshes with this arrangement of parts, it is evident that the frame 11, with the strand guides, will be rotated oppositely to the gear 5 and the sleeve 1.

Above the frame 11. a disc 13is keyed to the sleeve 4: and turns therewith. and extending from the circumference of the disc 13 is a series of radial arms 16upon which is mounted one (15) of a pair of concentric rings. the other ring 14 being secured to the 'e of the disc. The rings 14. 15, to gether .ivith'th'e' disc 13 may he termed a roller-frame. and in each of the segmental spacesbetiveenthe arms 16 and therings it. 15 ispivoted a roll 17. The roll 1.7, as clearly illustrated in Fig. 4:, comprises a tapered hub. 18 provided at its extremities with aXle members 19; 20, such axle members bemg constructed. to turn freely suitable journal openings in the rings 14. 15 respectively. The hub 181s preferably tapered. from its outer end toward its inner end, andat its outer end is provided with a radial flange 21 provided with a seat 22 upon which may be .mounted a washer 23 of feltor similar non-abrasive material. tion, a thinunetal washer 2% may be imposed-thereon, and the several parts secured in place by means of rivets 25 or other suit able devices. The washer 23, thus arranged forms" the driving element for propellingthe braiding carriers,

26is a heavy washer offelt, leather or like in aterlal. providing a: comparatively rough and resilient surface. such washer being slipped over'the hub 18 and secured in position against the flange thereof by means of cementyor in any other suitable manner.

As will be noted.;this washer is of substantial" diameter .as.comp'ared with that of the hub 18, and forms. in effect, a friction rollthrough whiclrthe drive roll may'be actuated; r V

27 IS a roller actuating dlsckeyed to-th'e shaft 3, whereby itis'prevented from rotating; The upper surface of this disc isinclined downwardly and outwardly, and to its peripheral portion are secured fiat resili-' ent' plates, 28Qthe'se platesbeing spaced apart andextendingsubstantially radially. These I plateswill preferably be formed of spring steel; althouohot-her"-m.-aterial.s' having the necessary qualit esmay'besubstituted there for; ifdesiredz-r To-theu-n-dersurfaceof the might be caught and broken.

For'holding this washer in posiplates 28. at their outer extremities, is con nected a flat strip or band 29 of leather, felt or ilre frictional material, said band eX- tending entirely around the series of plates and forming acontinuous circle. This band a; series by means of rivets 30 or similar devices, and is also secured thereto by means of a lacing cord This lacing cord passes across the intervals between the plates 28, and in addition to securing the band 29 to the plates, acts to prevent any of the braiding strands from being whipped into the space between the plates 28, whereby they 32 illustrates a braiding carrier of usual form type, such braiding carrier being provided with a roll 33 adapted to engage-with the drivingroll whereby the latter serves to propel the carrier in performing its braid ing function. ii hecarrier 32 is alse provided with a roller 34 which rests upon'the upper surface of dis'c27. whereby the latter serves as a support for the inner ends ofthe several carriers. In the usual manner, the carrier is provided with a roll 85 be secured to the several plates of the and such as is used in machines of this lying in a horizontal-plane and engaging Y isuotated. thereby rotating the disc 13,

' whereby the rolls 1 are bodily moved about As the the circumference of the'frame 11 roll h engagethe friction band. 29

ivher-el 1 they are caused to ,rotate', and

through-theengagement of the washers 23* with the carrier rolls 33, the latter are proe the istrands passing: freely between the rolls 3i-and washers 235 a's they are m0ved du'ring the bi-aiding":operation. Due to the r resilient mounting of the contact member 29. it is unnecessary. tomachine the several partswith great 'accuracy 'as the resilient plates readily yield to any inequalities in the diameters of the; several rolls '26, such as may be occasioned by wearer accumulation of lint thereon. or such as may occurthrough inaccuracy in-the alinement of thecentral v 's iii-the discs 27 and-'13.- .Thi'sresili-i mounting of thef driving. band thus inroperi dr '1ing1 engagement, of; the" thus movelbodily. the surfaces of the sinner; illpon rotation ofshaft'Y, gear 5 i pelled through: their circular path of trams],

same ith the rolls 26 at all tiin'es andui der all circumstances, whereby certainty of operation of driving rolls 17 is assured; Furthermore, by the employment offelt as a material for therolls 26, all dangerof slippage between said rolls and thedi'iving element is eliminated, and by reason of the shape of the hub, wherein the tapering of the latter serves to securely Wedge theroll in position, it is easily understood that a i'oll 26 may be securely held in position when pressed firmly upon the hub, requirin'g the use of ,butlittle adhesive for securing it permanently. The employment of felt o rsiinilar soft resilient and non-abrasive material as the drive element 23 whereby the carrier 1s propellecbserves to avoid any cutting or fraying {of the yarn as it passes between the drive roll and the carrier roll, this being of .specialimportance When employing tender yarns.

2. In combination in a friction drive mechanism for braiding machines, a hub member, a series of resilient arms secured to said hub member, and a friction element secured to said arms and spaced from said 3. In a friction drive for braiding inachines in combination, a clisclike hub, a series of radially extending resilient fingers secured to said hub adjacent its periphery,

and a friction band concentric with the axis" of said hub and secured to the free extremi-.

ties of the respective fingers.

L'In combination in a drive mechanism of the'class described, a discinember, a plurality of flat spring fingers secured to said disc and projecting radially therefrom, and

a circularfriction element lying in a plane substantially parallel to that of the disc-and supported by said fingers.

5. In a friction drive mechanism for .braidingmachines in combination, a substantially circular support, a series ofspring fingers spaced substantially equally about the periphery of said support, a band of frictionvinaterial secured to the free extremities of the respective fingers and encircling said support, and lacing means for securing said band to said fingers. V l l 6.: In a friction drive for braiding ma- .structed and arranged to engag e an element to Said hub, siaimi band lying inseam With one face of-said arms, and a lacing elementifor securing said band to the respective arms, said lacing element bridging thespac'e between the respective arms. '9

-7. In a braiding machine having" means 'for'guiding a braiding stra'nd,in combina tion, a braiding carrier and means' for' driving fsaid braiding carrier, said meansncoinprising a driving rollga friction b a-n d'ffor driving the roll, a series of spaced resilient fingers for-"supporting said band,a.ndln'ie a ns for bridging the space'betvveen saidfingers to prevent the entrance therebetween of a" brading strand.

8.=In combination in a braiding machine having means for guidin'g'a braiding strand, i

in combination, a braiding carrier, means for supporting and guiding said carrier,"

and means for 1 driving said carrier, such means comprising a driving roll, means for bodily revolving said. rollabout the braidiiig axis, and a resilie itly supported friction-band for engaging an element of said roll, whereby to rotate the same about its axis during its revolution. i

9. In a braiding machine guide, in combination, a braiding carrier, means for supporting and guiding said braiding carrier, and means for imparting a movement of revolution to said carrier about the axis of the braiding machine, said means comprising a roll having an element conofsaid carrier, means for imparting bodily movement 'of revolution to said roll about the axis of the machine, a friction band for engagingan element-of said roll, a. plurality:

having a strandof resilient fingers having their outer extremities'secured to said band, and a fi'xed. support for, the inner ends of said fingers;

10. In combinationin a braiding machine of theclass described, a braiding carrier, 5

means for supporting and guiding said *ca'r vrier, whereby it isj'p'ermitted to move in a closed circular path, and means for imparting such movement to such carrier, said means comprisinga roll having a drive-ele ment and a driven element, a-friction band engaging said driven element, res lient means for supportingsaid band against circumferential movement, and meansfo-rinovrection.

ing said roll bodily in 11. Ina braiding;

machine of the class dea cirmumferential di scribed havinga strand-guiding mechanism,

in combination, a braiding carrier, means for supporting said braiding carrier Where by it is permitted to travel in a circular V chines in combination, a disc-like hub, a series of flat, radially-extending armssecuredpath, and means for imparting movement to said carrier, said means comprising a roll having a driving elementfo-r engagement With, said 'carrier' 'and a driven element, means for imparting bodily movementof revolution to said roll, a frictionband constructed and arranged for contact with the peripheral surface of said. driven element, a

series of spaced, radially-extending, flat reupon said hub adjacent to said first Washer,

and constituting a driven element.v

13. In combination inv a drive rollfor braidin carriers, a tapered hub having a radial ange at one extremity, a relatively thin Washer ofresilient material secured to said flange and constituting a: carrier drive element, and av relatively thick washer of resilient material seated directly upon said hub adjacent to said flange and constituting I a. friction element whereby said roll may be turned. y

Signed by me at Boston, Massachusetts. this 26th day of July, 1920.

ANKER PETERSEN.

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