US1310793A - Planoqraph co - Google Patents

Description

w. A. DEMPSEY. I AUTOMATIC FILLING REPLENISHING 1.00M. APPLICATION FILED AUG- 19; 19H}.

Patented July 22, 1919.

2 SHEETS-SHEET 1.

Fig.1.

\n entop WiHiam A. Dempsey by W5MTmmaml Atlys.

THE COLUMBIA PLANQGRAPH c0.. WASHINGTON, n. c.

APPLICATION FILED AUG-19,19IB.

Patented July 22, 1919.

2 SHEETS-SHEET '2.

Fig 2.

Inventor.

WiIIiumADem byWSM THE COLUMBIA PLANOGRAPH (20., WASHINdToN, D. c.

UNITED STATES PATENT OFFICE- WIL IAMA. DEMPSEY, OFSCRANTON, PENNSYLVANIA, AssieNonTo DRAPER CORIPQRATION, onHoPEnA n-MAssAcH sn'rrs, n ooRPonATIoNoF MAINE.

thereof is to'provide meansfor preventingthe severed filling ends from lodging in the bearings of the take-up or sand roll or the guide rolls adjacent thereto which direct the Web of cloth.

In automatic filling replenishing looms of the Northrop type in which upon substantial exhaustion of filling upon the filling carrier in the running shuttle a new filling carrier is thrust into and an old filling carrier discharged from the shuttlev the filling is engaged by the cutter andclamp of; the shuttle feeler which severs the filling and then moves forward carrying the filling end into the path of thetemple thread cutter which thereafter cuts the filling end close to the edge or selvage of the web of cloth. The fillingend thus severed is then released and drops to the fioor or to a suitable receptacle.

Frequently however the severed filling end, particularly when hard twisted yarn which kinks readily is being used, snaps, floats or falls into the bearing of the .takeup orsand roll orinto "the bearing of the guide rolls adjacentwzwhich direct the web of cloth. The accumulation of threads thus lodged in the bearings of the take-up or guide rolls becomes wound around the shafts of said rolls and produces aheavy friction againstv the rotation of the rolls and eventually jams the rolls. The removal of such anaccumulation of yarn is difficult and requires considerable time. Furthermore, the

filling ends thuscaught in the bearings of therolls accumulate considerable grease and in. removing them the workman is likely to inadvertently transfer some of this grease to the web of cloth.

The present invention therefore contemiplates. the provision; of guarding means which. will prevent the severed filling ends from becoming lodged in the bearings of the nu'roivrnrrc nILLINe-nEPLENIsHINe LOQM.

Specification of Letters Patent.

Application filed August .19, 1918. Serial No. 250,450.

' rolls orin the mally withheld from action by an Patented Jui 22, 1919.

up or sand roll.

gears which operate the take- Other objects and features of the inven- I tion will more fully appear from the following description and accompanying drawings and will be claims. i

In the drawings:

pointed out in the annexed Figure 1 is a plan viewio f a sufficient por tion of the end of a loom 'o f'the well known Northrop type to illustrate my invention applied thereto, p

Fig. 2 is a vertical transverse sectional View throughthe breast beam, and the takeup, guide and cloth roll,

Fig. 3 is adetail invention overlying the end the take-up and guide rolls,

Fig. 4 is a side view ofparts corresponding to those illustrated in Fig. 3, and,

plan view showing my and bear ng of Fig. 5 is a detail sectional viewillustrating the mannerin which the gu embody beam of the loom.

My invention is illustrated herein as ap- 111g my invention is secured to the breast plied to the well" known type of Northrop automatic filling replenishlng loom, a suflicient portion of the battery end of which is shown ln 'Flg. 1 to illustrate the manner in which myinvention isassociated therewith.

The parts of the loom thus illustrated coniprise thelay 1' having "at its end the shuttle box 2 adapted to receive the usual shuttle,

a rotary hopper 3 adapted to carry a-ci'rcular series'of fresh filling carriers, which are transferred to the running shuttle b" the 'transferrer l which 1s controlled by a controller shaft 5 and actuated by the usual hunter mechanism not shown} The invention is more particularly adapted for use in an automatic loom wherein replenishment takes place prior to complete exhaustion and preferably, therefore, the controller shaftj5 'is actuated in the usual mannerlby feeler' mechanism and weft fork mechanism.

'The loom -iisalso provided with a shuttle feeler 6 having thread cutting and clamp ing devices 7, 8, said shuttle feeler being norsecured to the controller shaft 5 and over* arm 9 lying a stud 10 upon the arm of the shuttle feelera The thread cutting and clamping devices of the shuttle feeler are actuated bythe usualcam 11 carried by an arm 12 mounted feelerrocks forward lnto its normal poslthe usual manner.

' ered by the temple thread cutteradjacent- 5();l )h(-}} selvagle of the cloth-ashort. piece of v The take-up "(31* sad r011 17 is journaled in suitable bearings 18in the loom'side (see Fig. 2) and desirably is provided with a a te din bou the perip f said roll through which rotation may be transmitted to it." The loom is also provided with one or more suitableguide rolls, adjacent the take-up roll to direct the cloth, such as the guide roll '20 which is carried in a crescent-shaped bearing. 21 at the end of a bracket 22'projecting rearwardly from the front portion of the loom frame. The web of cloth'23 is carried either directly or indirectly over the take-up or sand roll, thence around the guide roll 20 and is finally wound upon thecloth roll 24:, which is 10- cated beneath the take-up or sand roll in The loom construction thus described is one of the usual types of Northrop loom but it willbe' understoodthat my invention is equally applicable to other types. I When in the operation of the loom transfer is called for, the shuttle feeler .6 with its attached thread cutter and clamp is advanced and the end of the filling running from the fell of thecloth to the shuttle isclampedand severedin the usual manner adjacent the shuttle eye. As transfer takes place the shuttle tion carrying with it the clamped end of the filling. [As thefilling 'end is thus; drawn forward the portion of it adjacent the fell is drawninto the temple thread cutter in position to be severed by the latter upon the next beat-up of the lay.

.l/Vhen' the filling end has thus been sevloose "filling is, left either hanging to the clamp of the shuttle feeler or in the thread catcher 13 if such a, device lSllSQCL/ The clamped end of this thread is released upon the next backward movement of the shuttle: feeler and dropped, or if engaged by a thread catcher, is, eventually dropped. In T either casei-this loose piece of filling. end-F particularly if ofa kinky nature-is likely .;to snap or float oflsopas to become lodged either n the gearing or bearlng of the takeuproll or of a guide roll or possibly of-"the cloth roll itself, and as before stated, where il l h qulnulatioll of such threads is wound abput the shafts, of the rolls-adjacent their bearings a great 'amountofffriction is iniposed which interferes with the proper action of the take-up roll andat times-results in an uneven weave of cloth. Furthermore the friction thus imposed upon the shaft of power to operate the loom. 7 V H 'Ilhe present invention contemplates obviating these defectsby providing a guard which will overlie the bearings of the takeup roll and guiderollso as to divert any loose fillingend; which maybe dropped and the take-up roll requires considerably more 7 thereby preventgitsbecoming. entangled in.

, the bearing. .of any of the rolls above men;

tioned. H V A preferre embodiment of-my invention which is illustrated hereincomprises plate I 25 of generally cylindrical contour adapted to overlie the endof the take5up.roll?17, its 7 1 bearing 18 and gear 19 and also to overlie the bearing 21 of the guide roll 20.)

The cylindrical curved plate 25 maybe: provided with an aperture 26 to receive and substantially to fit overthe end of the crescent-shaped bearing 21-for'the guide roll 20. The guard plate 25 is provided with an-offset flat extension 27 adapted to'rest upon the breast beam and provided with a longitudinal slot 28 to receive a bolt 29 extending through the breast beam by means of which said plate may beadjustably secured. in place. y i The bolt 29v thus utilized may be one which F is adapted to, secure the fork mechanism tothe breastbeam wherea double forlrmechanismi-s used. 7 i Y 1 i In order to insure covering of the bear ing of the take-up roll the guard plate 25 is, provided 3 with; an extension 3 0"whichforms a substantial continuation .ofythe cylind-rically curved portion; thereof and 6X5. 1

tends preferably over the middle of theend of the. take-up rollp' i J i The extensions 2'? and 30 preferably are integral with the plate 25am are separated by a kerf 31 which enables the extension 27 to be offset in the mannerabove described;

In order to insure the dischargeof any.

loose' filling end which may lo dge 'uponthe surface of the guard plate 25 the-extension 30.may be and desirably is provided with a" downwardly turned 1 end 3 2 which rests the; path of the'peripheral gear' 19' on the;

;end'-of the take-iup roll and thus effects vi burden of: the guard "plate as the 'take up rotates- It will be readily understood that 'the' guard 25 thuslloeated will preventauypos sibility of the filling end which is severed at onelendab r the cutter upon the; shuttle feeler and at the otherend 'bythe temple 'threa-dcutter from being 'carried into the bearing. of any of; the rolls orahylgearihQ all: of thedb jection's' heretofore inent ionedf which ac-tuates said rolls, thereby avoiding It will be understood that the embodiment of the invention disclosed'herein is illustrative and not restrictive and that various modifications may be made within the meaning and scope of the following claims.

Having thus described my invention what I claim as new and desire to'secure by Letters Patent is: r

1. In a loom comprising weaving mechanism and including a take-up roll and means for severing the filling beyond the edge of the web of cloth, means for preventing filling ends thus severed from lodging upon the bearing of said take-up roll including a guard plate overlying the end of said roll and adapted to deflect the falling severed .ends'away from said bearing.

2. In a loom comprising weaving mechanism and including cloth, take-up and guide rolls and means for severing the filling be-. yond the edge of the web of cloth, means for preventing the filling ends thus severed from being carried into the bearings of said rolls including a vibratory guard plate positioned to deflect the falling severed ends away from said bearings.

3. In a loom comprising weaving mechanism including cloth, take-up and guide rolls, and means for severing the filling beyond the edge of the web of cloth, means for preventing the filling ends thus severed from being carried into the bearings of said rolls comprising a curved plate overlying the ends of the said rolls and having an extension secured to the breast beam.

4. In a loom comprising weaving mechanism including cloth, take-up and guide rolls, and means for severing the filling beyond the edge of the web of cloth, a curved plate overlying the ends of said take-up and guide rolls and recessed to receive a portion of a guide roll journal and having gear at its end adjacent the battery end of the loom and means for severing the ends of filling beyond the edge of the web of cloth, means for preventing filling ends from being carried into said gear or the bearings of said take-up roll including a guard plate curved cylindrically to conform substantially to the contour of said take-up roll and having extensions, one of said extensions being oifset and secured to the breast beam and the other'extension provided with a flange engaging the teeth upon said peripheral gear whereby said guard will be vibrated by the rotation of the takeup roll and filling ends which may have lodged upon it shaken off.

6. A guard for the bearing of the take-up roll of a loom comprising a plate cylindrically curved to conform substantially to the contour of the take-up roll and having an offset extension adapted to be secured to a stationary part of the loom.

7. A guard for the bearing of the take-up roll of a loom comprising a plate cylindrically curved to conform substantially to the contour of the take-up roll and having separated extensions, one offset and slotted to provide means of attachment to a stationary portion of the loom and the other of said extensions provided with a flange adapted to rest upon the peripheral gear of the take-up roll.

In testimony whereof, I have signed my name to this specification.

WILLIAM A. DEMPSEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

. Washington, D. C.

Images