US1512146A - Carrier drive for lace braiders - Google Patents

Carrier drive for lace braiders Download PDF

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US1512146A
US1512146A US661012A US66101223A US1512146A US 1512146 A US1512146 A US 1512146A US 661012 A US661012 A US 661012A US 66101223 A US66101223 A US 66101223A US 1512146 A US1512146 A US 1512146A
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carrier
drive
disc
fixed
lace
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US661012A
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Staub Herman
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Textile Machine Works
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Textile Machine Works
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Priority to US661012A priority Critical patent/US1512146A/en
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04CBRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00Braiding or lacing machines
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04CBRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C3/00Braiding or lacing machines
    • D04C3/02Braiding or lacing machines with spool carriers guided by track plates or by bobbin heads exclusively

Description

H. STAUB CARRIBIR DRIVE FOR LACE BRAIDERS.
Oct. 21. 1924.
- Filed Sept. a. 1923 ierman fifauz IN V EN TOR.
A TTORNEYS.
Patented Oct. 21, 1924.
UNITED STATES PATENT OFFICE.
HERMAN STAUB, OF WYOMISSING, PENNSYLVANIA, ASSIGNOR TO TEXTILE MACHINE WORKS, 013 WYOMISSING, PENNSYLVANIA. A CORPORATION OF PENNSYLVANIA.
CARRIER DRIVE FOR LACE BRAIDERS.
Application filed September To all whom it may concern:
Be it known that I, Hanna)? STAUB, a citizen of the United States, residing at lVyomissing, in the county of Berks and State of Pennsylvania, have invented certain new and useful Improvements in Carrier Drives for Lace Braiders, of which the following isa specification.
Hy invention relates to lace-braiding machines, and particularly to improved carrier-drive mechanism therefor as her inafter fully described in connection with the accompanying drawings and the novel features of which are clearly defined in the subjoined claims.
The inner walls of the carrier raceway circles of ordinary braiding machines have heretofore been formed by quoit plates fixed to the central drive-gear posts in the plane of the main plate and so shaped as to permit of the course of the driven carriers being properly directed at the circular intersections. In lace braiders however, where the carriers are required to repeatedly traverse the same race-circle, these quoit plates have been made to serve as carrier drivers, in addition to serving in connection with the main race-way plate, to support the moving carriers. In my improved construction I provide for dividing these heretofore combined functions, by employing fixed quoit plates of true circular contour arranged in the plane of the main raceway plate and eachadapted to serve as a fixed carrier support and a fixed race-circle wall, in connection with a separate drive disc arranged below said fixed quoit plate and provided with carrier-engaging horns and with rest recesses adapted to cooperated with the fixed quoit and additional carrierguide means, in properly directing the carrier at the race-circle intersections; this improved construction not only providing an advantageously rigid supporting base for the moving carriers, but enabling the use of simplified carrier driving and locking means as hereinfter described.
Fig. 1 is a partially sectional view on the line 11 of Fig. 3 of a portion of a braiding machine showing my improved drive mechanism in preferred form.
Fig. 2 is a cross-sectional view taken on the line 22 of Fig. 1.
Fig. 3 is a partly sectional plan view showing several race-circles and posts; one
5, 1923. Serial No. 661,012.
of the posts being shown in section on the line 3-3 of Figs. 1 and 2 to clearly reveal the carrier-drive-disc; another post being in section on the line 33 of Fig. 2 with the carrier guide clutch lever fully shown: and the mechanism on an intermediate post being shown in operative relation to a carrier pin and an adjacent drive gear.
Fig. 1 is bottom view of one of the fixed circular quoits showing its stop recesses.
The drawing shows the usual top and bottom plates 5 and 6 of a braiding machine, with intersecting race-circle openings 7, 7, 7 forming the outer walls of the raceway, and central posts 8, 8, 8 fixed to the bottom plate and having mounted thereon respectively the usual intermeshing drivegears 10.
In my improved construction the fixed inner wall of each race-circle is formed around the post 8 by means of a circular disc or quoit 15 which is fixedly secured to the top of the post in the plane of the top plate 5; thus providing in connection with the latter a steady support for the flanged foot 16 of the moving carrier 16; the race-way thus form d, however, providing no means for directing the movement of the carrier at the intersection of the race-circles so as to cause repeated rotations around the post center as is required in lace-braiding.
The intermittent driving of the carrier, as well as the locking of same in determined position when it is freed from the continuously rotated drive gear 10, is effected by means of a carrier-drive device on the post 8; said device comprising a drive disc 20 having horns 20 for engaging the depending car rier pins 16", and being adapted to be moved into engagement with the fixed quoit 15 whenever it is disengaged from the. gear 10, so as to be locked thereby. This carrierdrive disc 20, as shown, forms part of a clutch sleeve which is rotatably mounted on the post 8 and is movable axially thereon by means of a patternoperated clutch lever 30 in known manner, so as to cause engagement or disengagement of its lower teeth 20 with the teeth 10 of the drive gear 10; and it is also provided with locking-teeth or projections 21 adapted to engage looking recesses 15' in said fixed quoit 15 when the disc 20 is moved upward to disengage the drive gear 10.
Each drive disc 20 thus mounted below the fixed qnoit' plate its opposite horns2 0 formed in connection with carrierrest recesses 20 such as are shown in the rotary q'u it plates of Rahm Patent No. 12563038 of Feb. 12, 1918; the: depending pins 16 of the carriers 16 being in my improved construction similarly engaged by guided clutch bar 31' havinga spring 32 whereby the sleeve is nominally raised out of engagement with the drive gear 10, while a jacquard or other pattern mechanism deterniinedly lowersthe same into driving engagement with the gear 10. When thus lowered the disc 20 as shown, is thrown out of locking engagement with the locking recesses 15 otthe fixed quoit 15, while when raised it engages the latter to definitely stop its relative action on an engaged carrier pin 16".
In Fig. 3 one of these carrier pins 16* is shown at rest after a half rotation in the space provided between the adjacent drivediscsQO, 20 by the respective recesses 20 20 in the latter; the rotation of the drive disc 20* to the right of said pin 16* having been stopped by the raising of disc 20 out of engagement with the drive gear 10 and into locking engagement with the fixed quoit 515 above it, while the drive disc 20 to the left of it is being rotated as indicated by the arrow? In order to position the depend ing carrierpin 16 in the rest recesses so that will be poperly engaged by the horn 2O ct said r disc, it is necessary to. provide guioe therefor which will place it directly in the path o-f'said horn 20? when rotation of the drive disc to the right is stopped. As shown this special carrier guide; is-formed by integral wings 31, 31 on the clutch lever 30, which wings overlapthe rest recess 20 when the lever is moved upward with the corresponding drive disc so to prevent the carrierpin 16? from getting more orless out of the path of the r tat a" horn 20 one or other of said carp d'e wings as requ' d being beveled as id icated at 3? so that it will push said pin into proper position in the recess its drive disc 20 is being, raised intoit's stop engagement with fixed qnoit as Well as prevent its rnover ent out of the path by matt r the rotating; horn.
It will be seen that my invention provides for satisfactorily. efie'c' ting the special carrier" movements commonly required in lace braiders, while at the same time providing a fixed (limit for steadilysupporting the travelling carriers and a simply constructed and operated mechanism.
What I claim" is:
1. In a lace-making machine comprising a race-Way plate having intersecting racecircle openings; a central post for each race-circle having: mounted thereon .a fixed disc-locking quoit, a rotary drive gear, and a carrier o'perating drive-disc movable into and out of engagement with said drivefge ar and fixedquoit to' alternately drive and'lo'ck w the same; and a movable carrierguide device operatively positioned only'when said drive disc ismoved into locking engagement with said fixed quo'it.
2 In a lacemakingmachine comprising a raceway' plate having intersecting racecircle openings; a central post for each race-circle having mounted thereon a hired disc-locking qnoit a rotary drive gear, and a carrierperating. drivedisc movable into and out of engagement with said drivegear and fixed quoit to alternately drive and lock the same; and a clutchlever having a carrier-guide portion operative only when said drive disc is moved into locking. engagement with said fixed quoit'.
S. In a lace-making machine comprising a race-way plate having intersecting racecircle openings, and a central post for each race-circle provided with a fixed discdo'cking quoit and a rotary drive gear; a drived-isc formed with carrier-engaging horns and rest recesses and movable'into and out of engagement with sait drive gear and fixed qno'it to alternately drive and lock the same; and shifting means for said drive disc comprising a carrier-guide operatively positioned relative to an adjacent rest-recess when said. disc is moved into locking engagement with said fixed quoit.
4:. In a laceniaking machine comprising a race-way plate having intersecting racecircle openings: a central post for each race-circle, having mounted thereon a fixed disc-locking quoit', a rotary drivege'ar and carrier-operating drive-disc movable 1 and out of engagement with said drive an'ctfixed quoi t-to, alternately dri e' an the same and movable carrier vice operatively' positionjedj only' w i said drive disc is moved into locking eng geinent with said fixed quoit, said grri'd'e' devicefhava beveled carrier-contacting facel In testimony whereof I afix 111 nature.
nnnrrrntsrans.
US661012A 1923-09-05 1923-09-05 Carrier drive for lace braiders Expired - Lifetime US1512146A (en)

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