US2483931A

US2483931A - Combing machine for combing textile fibers

Info

Publication number: US2483931A
Application number: US671755A
Authority: US
Inventors: Pierrepont Donald
Original assignee: Platt Brothers and Co Ltd
Current assignee: Platt Brothers and Co Ltd
Priority date: 1945-07-06
Filing date: 1946-05-23
Publication date: 1949-10-04
Anticipated expiration: 1966-10-04

Description

Oct. 4, 1949. D. PIERREPONT 2,483,931

COMBING MACHINE FOR COMBING TEXTILE FIBERS Filed May 23, 1946 4 Sheets-Sheet 1 mum I MW a Ml .Gst. 4, 1949. D. PEERREPONT COMBING MACHINE FOR COMBING TEXTILE FIBERS 4 Sheets-Sheet 2 Filed May 23, 1946 9/ WW u w" WV.

w m w Oct. 4, 1949. n. PIERREPONT COMBING MACHINE FOR COMBING TEXTILE FIBERS Fil ed May 2a, 1946 4 Sheets-Sheet 3 fig am Oct. 4, 1949 D. PIERREPONT 2,483,931

COMBING MACHINE FOR COMBING TEXTILE FIBERS Filed May 23, 1946 Q 4 Sheets-Sheet 4 \\\\\\\\\\\\\\\\\\\\'\mm 0 I Patented Oct. 4, 1949 j lgmqMncmnnwon coincide mums Donald .Bierrepont, ChaddemtomLmdham, Jingllan'd, ,assig'nor r-tocoPlatt Brdthe'rs and flompany .machine butit istoibe understood 'that with suitable modifications the l invention is. applicable to otherltypes o'f combing machines. 7

In :a Nasmith combing .machine as at present 'constructed,.the setting of the nippers'is effected by turning the shipper "setting shaft *through -the medium Of a gquadrant located at one end ofsaid :shaft. ,7 .7 v H l Due to the excessive torque imparted'to'the shaft by the turning movement being applied at one end only, it is practically: impossibleto obtain a uniformly accurate setting of "alllthe 'nippers connected to the shaft, and individual'attention to the vnippers lis vnecessary, particularly to -the nippers located towards that end of the shaft remote from the end .where'theturning movement is applied. 'Further, the confined positionof the quadrant does not facilitate access theretoand also the'indeximarkings on the quadrant areivnot rea'dily viewed in relation to'the'flxedlmarking' on "the frame. 7 v r The presentinvention provides apparatus for setting the nippers of -.a combing machine and in particular Y a iNasmith combing machine which overcomes the aforesaid disadvantages, 'and,fby Ireducing torque on thenipper settingsha'ft to-a minimum, facilitates the simultaneous, accurate, andiuniform setting of all'the nippers of aconibing machine, in which the index :markings :are plainly Visible, and the-apparatus 'for settinglthe nippers is easily accessible. and maybe operated with amin'imum of manual e'fiort.

According .to this invention, the improved apparatus for setting the nippers of Nasmithacombiing-machines includes an easily .accessiblegradulatedsetting armlocated at approximatelymmidposition .in the length of the combing .machine .and. in "operative connection with the .nipper set- .-.ting shaft, said. arm being adapted for zadiustsmentin aguideiin themachine frameybyimeans of ,a v'm'anually :operable screw-threaded :rod Whereby to transmit turning. movement lto said nipper shaft and with a minimum of torquenn ,.-.said shaft, said settingrarm being furnished with an easily visible index ggauge ltoindicatezthelprecise setting of the nippers.

- In a -double sided Nasmith combing machine @the setting apparatus will beduplicated' andeach eset independently operated. .Intthis connectionsit .-is:to:be understood thatreachsidetof a doublesided i Nasmith combingimachine is independent and it is. not essential 'Ithat Ythe shippers on a-plie side of the ;shalljhave .the same degree of .settinglaslth'e 'Inippers on the lQBPOSitesi'de .of the machine. f i

.The invention 'iw'illanow bedescribefl .withfrthe .ai'dpofthe accompahvinmdraWingsJn.whichaonly soimuchnfvacNasmith combinglmachine isishown .as is necessary fora acleariunderstandingof the i..inverition. a I ZEig. i1 is .a fragmentary .cross=sectional ;view through a single sided'Nasmith cornbingsmachine with vnimaer-setting apparatus vlaccc'nfcling lto ilthe invention .anplied therem :LE'ig. 22 ;isia similar view 15 Jsoi'l ig. J1, showingmartsdn'an calternativemosition of adjusitmeritfl Eig. L3; is a fragmentary crosssectional View 'ithrongh a .dodblees'ided iNasmith Lconibin'g lmachine-jwith duplicate .sets of nippersetting apparatus 'acc'oriiinglito ithe linve'ntion Lap- 20 plied thereto Fig. 11. is a'g fragmentary side view, gpartly sectional, of aidetail partjoif Figfiafli'lgrfi is a fragmentary side view, idrawnto .:a larger scale, of an adjusting screw "and indicator of the apparatus shownjseparated; jF'ig. F6 ;is a similar 5 view "to Figffg, "showingla modification later tolbe described.

The same reference numerals indicateicorrespoondingiparts 'i'nithe severalffigures 'ofithle draw;-

tionbfe gponents'. j

. 'Re'ferringftoiFigs, and .'2, ill) "indicates the jframe of a" sin;gle-s'ided "Nasiriith combing machine, "H one of f'the :n'ippers, "i 2 one s side "leg of ithe *nipper, it being understood that ithere "is a 5 similar legfat"thezoppositeside of the nipperfboth flegszbeing iulcrumed on-the collar pf the "bear- *ing I 3 6f "the cylindershaft 14; Hi denotes the nipper-setting shaft. Fast-onthe nipper -setting shaft 45 *is a -number of *spacedradial *arms,= one 40 -o'f which is indicated-in dcitteii *lines *at -I 6,=there beings-a radiaP-armfior each leg of eachpa'ir df nipper side" legs, to which it *is adjustabl-y -conmecte'd 'bym rod, as will later he-described.

Nipper setting apparatus according -to the int; av'ezition comprises a setting arm -1 en-tending frem ffront to "backmf the rmachine ==and *slidabI-y mountediin guidesiin awertical frame member t-8 carriedon' the frame M di 'the machine, the se'tting arm I! being retained on its setting in the fings, distinguishedfin some'instancesbylthe addiylio ngiiide .iihytafileaf :spring 18 :secured to the frame member l8. The frame member lta carnying the ase'tting im-m fl is'ilccated fatsmidsposition sof *the machine, which iframe rmembe'r, in fconjunctton with' thezenddramesesnpportsitheznsualieverheetl rack,iinotzshown,itcrtlmldingfiheispareilaps.

At its rear extremity, the setting arm I! is connected to the adjacent radial arm on the nippersetting shaft 15, said radial arm, indicated at 20, being longer than the remaining radial arms [6.

At its forward extremity, the setting arm I! is furnished with a downwardly projecting bracket 2| in the-lower end of which is mounted, in substantial parallelism with the setting arm H, a screw-threaded rod 22, hereinafter referred to as the adjusting rod. The adjusting rod 22 is engaged at the end remote from the bracket 2| in a correspondingly screw-threaded aperture 23 in the frame member l8. The adjusting rod22 is adapted for turning movement in the bracket 2| but is restrained against sliding movement rela-' tively thereto by a collar 24 fast on the rod-22 on:

one side of the bracket 2|, and a handwheel 25,

also fast on the rod 22, at the opposite side ofthe bracket 2i and held thereon by a nut 26.

In order to reduce friction to a minimum, the

bracket 21 is ball-ended at 21 where it is con- :tacted by the collar 24and handwheel 25 The adjusting rod 22 is furnished with a locknut 28 to retain it in a position of adjustment, 01'

with other means for the like purpose.

The setting-arm ll is furnished with a graduated gauge, which, asshown, may be a plate 29 inserted in a recess in one of the sides of the setting-arm ll and'inscrib'ed with index markings 30. A fixed index pointer 3| is secured to the frame member "3 to point to the appropriate index markings.

The radial arms 9 I6, 20 are each connected to the respective'side legs I2'of'the nippers by adjustable rods. One of said rods is indicated at 32 and is pivotally connected at 33 to the side leg l2.

The other end ofthe rod 32 is screw-threaded and engages in a'smallfitting '34, pivoted to the radial arm 20 on apivot pin 35. f

'Itis to be understoodthatthe nipper of each head of the machine is similarlyconnected at eachside of each head, but in these cases the screw-threaded rod connection is to a short radial arm I6, the long radial arm 20 being only necessary at the one position in the centre of the mac To set the nippers of a combing machine, say to a wider setting thanfthat shown in Fig. 1, the locknut 28 of the adjusting rod 22 is releasedand the handwheel 25. is rotated in clockwise direction, thereby turning the adjusting rod 22 and causing it to traverse through the screw-threaded aperture 23 in the frame It} in the direction indicated by the arrow A, Fig. 1. The setting-arm I1 is thereby caused to-slide in the guides in the frame It and, by means of the radial arm 20, to turn the nipper-setting shaft l to adjust the setting of the nippers. The turning of the nipper- .setting shaft l5 simultaneously moves all the radial arms [6 toadjust the respective nippers.

Turning movement of the adjusting rod 22 is continueduntil the index pointer 3| indicates on the graduated gauge 29 that the desired setting of the nippers-has been attained. The adjusting rod 22 is then locked in adjusted position and the setting apparatus and the nippers are retained in position againstaccidental displacement, see Fig.

1 Each nipperleg is also looked to the machine frame in known manner.

With the turning movement applied at the longitudinal centre of the nipper-setting shaft IS, .the torqueontheshaft I5 is reducedto a'minimum, thereby facilitating the uniform and ac- 4 curate setting of all the nippers on the nipper shaft.

The manual effort required to turn the nippersetting shaft l5 as described is considerably less than the effort required to turn a nipper-setting shaft from one end in the normal manner, and a more uniform and accurate setting of all the nippers on the nipper shaft is simultaneously effected than has heretofore been possible.

7 The nipper-setting apparatus may be applied to existing Nasmith combing machines with a minimum of structural alteration to the machine.

The application of the invention to a doublesided Nasmith combing machine is illustrated in Fig. 3, in which parts corresponding to those described with reference to Figs. 1 and 2 are indicated by the same numerals distinguished by the addition of the exponent 1 for the parts on the left-hand side of the machine, the duplicate parts of the apparatus on the other side of the machine being indicated by the same numerals distinguished by the addition of the exponent 11.

In this double-sided construction, the

radial arms

20 and 20 are each formed with an extension 36 .having at its lower end a boss 31 with a curved slot 38 therein in which is secureda stud 39; The stud 39 is formed with a squared portion 39 fitting into the slot 38 and the studis held in position in the boss 31 as between a collar 40 formed on the stud 39 and a nut 4| on a screwthreaded part 39," of the stud 39 and washer, see Fig. 4. For clearness of illustration inthe drawings the nuts 4| and washers 42 are omitted from 3- A.

A projecting part 43 of the stud 39 is engaged in the jaw 44 of a lever arm 44 operativel-y connected to the side leg of a nipper. if

The side legs of the remaining nippers are operatively connected to short downwardly pro jecting arms on th nipper shaft I5 correspondin to the extension 36 and are adjusted simultaneously. i

To adjust, say the left-hand nippers to a wider setting than that shown in Fig. 3, the adjusting rod 22 is turned in the frame member I8 ina direction opposite to that described in reference to Figs. 1 and 2, i. e., counter-clockwise, thereby causing the setting rod I1 to move in the direction indicated by the arrow B in Fig. 3, and, rocking the radial arm 20 an the shaft I5? causes the stud 39 to move the lever arm 44', whereupon the respective nipper is set to the required degree,

; member I8 but is held againstsliding movement relatively thereto by collars 46, 41 pinned to the i"od 22 on opposite sides of the frame member The bracket 2 l is formed at its lower end with a boss 48 screw-threaded internally to receive the screw-threaded rod 22.

'When it is desired to adjust the nippers to a wider setting, the lock-nut 28 is slackened back and the rod 22 turned in clockwise direction by means of the hand-wheel 25 whereupon the bracket 2| is traversed along the screw-threaded rod in the direction indicated by the arrow 0 and the setting arm ll is slid through the guide frame member 18* to bring about the desired adjustment of the nippers.

What is claimed is:

1. Apparatus for simultaneously setting the nippers of a combing machine for combing textile fibres having a frame, at least one set of nippers, and at least one nipper-setting shaft mounted in said frame, radial arms mounted on said shaft, connections between said arms and the nippers, an easily accessible setting arm located approximately midway of the length of the machine and in operative connection with one of said radial arms, a guide member supported by said frame, said setting arm being adjustable in said guide member, a manually operable screw-threaded adjusting rod mounted in approximate parallelism with said setting arm and 'operatively connected to said setting arm, whereby turning movement of the adjusting rod transmits endwise movement to the setting arm, and an easily visible index gauge comprising co-operating mem bers mounted on said setting arm and said guide member to indicate the setting of the nippers.

2. Apparatus as claimed in claim 1, including a spring for retaining the setting arm in its position of adjustment, a bracket on one end of the setting arm afiording a bearing for the rod, means for turning said rod, and means for retaining said rod in a position of adjustment.

3 Apparatus as claimed in claim 1, in which 6 the setting arm is provided with a, bracket and the screw-threaded rod is engaged with a depending part of said bracket, whereby movement of said rod causes said bracket to move with the setting arm in approximate parallelism with said rod.

4. Apparatus as claimed in claim 1, in which the setting arm is provided with a bracket having a depending portion, and the screw-threaded rod is provided with means engaging the said depending portion whereby endwise movement of said rod is transmitted to said setting arm.

5. Apparatus as claimed in claim 1, in which the setting arm is provided with a bracket having a depending portion penetrated by the screwthreaded rod whereby turning movement of said rod causes said setting arm to move endwise of said rod and thereby to move said setting arm in approximate parallelism with said rod.

DONALD PIERREPONT.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,369,532 Nasmith Feb. 22, 1921 1,611,586 Fossel Dec. 21, 1926 FOREIGN PATENTS Number Country Date 360,159 Great Britain Nov. 5, 1931