US2193969A - Machine for the production of looped fabrics - Google Patents

Machine for the production of looped fabrics Download PDF

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Publication number
US2193969A
US2193969A US273073A US27307339A US2193969A US 2193969 A US2193969 A US 2193969A US 273073 A US273073 A US 273073A US 27307339 A US27307339 A US 27307339A US 2193969 A US2193969 A US 2193969A
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Prior art keywords
drum
counting
band
pattern
control
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Expired - Lifetime
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US273073A
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English (en)
Inventor
Korber Hans
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Edouard Dubied et Cie SA
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Edouard Dubied et Cie SA
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/24—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics

Definitions

  • This invention relates to machines for the production of looped fabrics or mesh ware.
  • a further known proposal is concerned with the arrangement of a counting disc having driving studs inserted therein for influencing the advance movement of the pattern chain by hitting a feeler lever.
  • a resetting device whichat the end of the feed movement resets the spring-influenced counting disc into initial position of rotationafter a driving stud arranged on the counting disc is released.
  • Such an arrangement does not permit the counting disk to be rotated through more than one turn before having been reset into initial position of rotation by the resetting de-
  • counting chains with dogs attached thereto, or correspondingly punched counting paper strips for influencing the advance movement of the pattern chain.
  • the counting devices referred to are adapted to be controlled at each traverse oft-he slide, that is, at each double traverse of the slide and associated parts of the machine.
  • the counting device is fedonly after the lapse of certain time periods in dependence upon the selecting operation of the pattern cards, for example, preferably, by the penultimate pattern card of a set of pattern chain links which set is to be advanced after a certain number of repeats of pattern.
  • counting devices are. cou'nting forwardly and rearwardly, other counting devices are adapted to be released after the pattern chain has advanced by a certain number of steps and are rotated back into the initial position by spring force.
  • other counting devices particularly counting devices provided with endless chains or bands, are so designed that these chains or hands returninto initial position by keeping on turning after the completion of a certain number of feed steps.
  • tors only are capable FFICE endless chains or counting discs have the drawback that each time when setting a different size or a diiferent pattern the stops, dogs or studs must be adjusted anew, so that trained opera of efiecting these adjust- 5 If chains or punched bands are used a length established once for all and a pattern for a certain article can be kept in store, and all there is to be done is to place the chain or the band for this article on the counting device.
  • chains or punched bands are used a length established once for all and a pattern for a certain article can be kept in store, and all there is to be done is to place the chain or the band for this article on the counting device.
  • the present invention has for its object the production of a counting device which has all the advantages inherent in the known counting devices Without, however, presenting the afore-
  • the counting device, according to the invention which serves for machines provided with a pattern device for the production of looped fabrics and in which control members, such as levers, feeler arms and the like, are actuatedby releasing means, such as punchings, dogs, studs and the like, that are arranged on a counting drum in accordance with a pattern, is distinguished in that, in order to permit the counting drum and a counting band driven thereby to be selectively taken into use for releasing the control members, the counting drum, which is provided with punchings for feeding and locking the drum in position as well as with punchings for releasing the control members, is further provided with driving means for driving a counting band provided with any desired patterns.
  • Fig. 1 is a schematic elevational view of a counting device according to the invention
  • Fig. 2 shows a side elevation of Fig. 1;
  • Fig. 3 is a view of a releasing element inserted in position
  • Fig. 4 is a section of the driving mechanism of the counting device
  • Fig. 5 is a section of a feeler plunger with associated control members
  • Fig. 6 is a section similar to Fig. 5 with the movable parts in different working positions;
  • Fig. 7 is a section of a locking bolt and associated ratchet mechanism with the latter in initial position
  • Fig. 8 shows the same section as Fig. 7 but with the rotation mechanism of the counting drum in operative position
  • Fig. 9 is a schematic view of a counting band for set counters in fixed position on a counting drum
  • Fig. 10 is a schematic view of an endless counting band mounted in position
  • Fig. 11 is a side elevation of Fig. 10;
  • Fig. 12 is an elevational View of the assembled parts
  • Fig. 1.3 is a section on the line XIII-XIII of Fig. 12.
  • the counting drum I of the counting device 80 consisting of a coiled metal band (Figs. 1 and 2), is fixed to a drum head 2 by means of driving studs 3.
  • the counting drum is further provided. with driving studs t riveted thereinto which are spaced apart at certain distances like the driving studs 3.
  • the punchings provided in the counting drum I in addition to the punchings for the driving studs 3, l are, advantageously, stamped out from the band prior to coiling the latter into drum shape.
  • the numeral 5 designates punchings for feeding and locking the counting drum I in position, whereas the numerals 6 and 7 denote punchings for the reception of releasing elements 8 (Fig. 3).
  • Numbers 9 corresponding to the punchings B and 1 are provided on the counting drum I.
  • a control cam Ill devoid of eccentric drive means and constituting a part of a rotation mechanism for the drum l, and a dog II.
  • the cam ID has two relatively inverted surfaces.
  • the drum head 2 is rotatably mounted on a mounting member l3 by means of a pivot l2, this member being not shown in Fig. 1 for the sake of clearness.
  • a gear box 14 secured to the mountin member l3 accommodates the feed and control elements which are encased in dust-proof manner bymeans of covers I5, I B.
  • the numeral I! refers to a feed latch, whereas the numerals I 8 and I9 designate two different control latches which are interconnected by separators so as to form a frame and mounted in the gear box I4 for actuation by means of lever arms 2
  • an actuating rocking shaft 23 carrying a lever arm 25 provided with a guide roller 25, and a rocking bolt 26 which is secured to a lever arm 21. for example, by means of a pin, and carries a lever arm 28 which is loosely mounted thereon.
  • conventional stud button fasteners may be used as releasing elements the upper portion 8 of which is situated on the outside of the drum 1, that is, the band forming the same, whereas the base portion 8 thereof is situated on the inside.
  • a locking bolt 30 loaded by a spring 29 (Fig. i), the support for this bolt guiding a feed bolt 32 10a ed by a spring 31. Both bolts 30, 32 are actuated by the feed latch I! through the intermediary of a control slot 33 which is engaged by studs 34.
  • a support 35 (Figs. 5 and 6) which guides the feeler plungers or feeler bolts 36, 3"! in addition to the feed bolt 32, these plungers being urged against the control latches l8 and i9, respectively, by springs 38.
  • Rear extensions on these plungers 38, 37 are each coupled by means of a pin or stud 39 to one of two lever arms 42 which are swingably mounted on a pivot bolt M and each of which is provided with a hooked end 40.
  • a latch 43 slidably mounted in the gear box !4 and provided at one end with a hook 44 and at the other end with a stud 45 which studs engage with the lever arms 27, 23, respectively.
  • Stop members 46, M1" are arranged on the control latch IS, the control latches l8 and I9 being each provided with a recess ll.
  • a detent 48 by means of a pivot 47 and is provided with stop members 19, 50 and El.
  • a bracket 52 is secured to the cover I6 and carries a pawl 5'! which is rockable on pivot pins 53, loaded by a spring 54 and provided with a releasing finger 55, and a nose 55.
  • the lever arm 24 carries apart from the roller 25 a plunger 58, which is maintained in the position shown by spring means (not shown).
  • Figs. 9, l0 and 11 show counting bands 53, 60, which may be made of paper, and which are provided with punchings 61 for engagement with the driving studs 4 (Fig. 2). with punchings 62, 63, and with numbers 64.
  • the reference numerals 65, 66 and G7 on Fig. 9 indicate in this instance difierent counting band sections.
  • Pegs 89 are slidably mounted in a pin carrier 9!) in opposition to the rows of coordinated punchings of the pattern chain 8
  • of a lifting device 93 are suspended by means of guide arms 94 from a rocking shaft 95 and arranged opposite to the ends of the pegs 89 remote from the pattern chain 8
  • cooperate in the vertical position of these lifters, when selected by the pattern chain, with the opposing striking studs 96 on lifting jacks 91 the lower ends of which are pivoted to a rocker arm 98 oscillating through a range 99, as indicated by a double arrow to the right in the lower part of Fig.
  • the feed latch I! operates by action of the control slot 33 that the locking bolt is depressed by pressure eiiect of the spring 29, whereupon the feed bolt is returned, and that the stop member hits the .support 35 (Fig. 6)
  • releasing elements such as resilient socket buttons or snap fasteners 8, 8 are inserted (Fig. 3). If counting bands 59 or 60 (Figs. 9, 10 and 11) are used the elements & are inserted in the counting bands. If set counting bands 59 are employed the individual band, that is, the counting bandsection 65, 66 or 6'1. respectively, to be used is so placed in position that the point 0 of the counting drum l representing the new position coincides with the starting point of said counting band. In this.
  • the counting band 59 is secured to the counting drum by means of snap fasteners 8", the fasteners 8" being arranged beyond the operating range of the count-- endless band can be used, for a set counteras well as for a traverse counter due to the fact that it returns into initial position or into a i position corresponding exactly to the initial po- Thereuponcorresponds to adifierent pattern or to a differ-' ent size of the same pattern. Therefore; all there is needed is to secure the counting band 59 by means of the snap fasteners 8 to the counting drum 1 in a position corresponding to the starting point 0 of the respective band section.
  • a snap fastener inserted in the row of punch ings 6 in the counting drum i (Fig. 2) or in the row of p-unchings 32 in the counting band 60 (Fig. 11) is adapted either to start the feed operation of the pattern chain or to effect the continuance of this operation after a set has been repeated a certain number of times, all of which is well known and thus appears to require no further explanation. Furthermore,
  • a button 8 inserted in the row of punchings l or 63 is adapted to stop the machine.
  • Fig. 5 shows the counting device in operative condition.
  • the control latch H! has been moved to such an extent that the stop member lt. contacts with the support 35 (Fig. 6) so that the recess t! underlies the feeler plunger 3.6 which is thus lowered by pres sure effect of the spring 38.
  • the lever arm 42 is connected with the feeler plunger 35 by studs 39 it isrocked on the pivot bolt 4! so that the hooked end 40 is displaced from the chain dotted position 4-0 into the lowered position. If then the support 35 is shifted from left to right the lever arm 42 does not influence the latch 43.
  • a snap fastener ii then underlies the feeler plunger lit the counting device effects a control operation as hereinafter described in connection with the feeler plunger 31 (Fig. 6).
  • the control latch it! has arrived in the position corresponding to that shown in Fig. 5 for the'control latch 18, the snap fastener retains thefeeler plunger 3? (Fig. 6) in the medium sitio-n, the displacement of the plunger being effected by cooperation of the spring 33.
  • the stop member 46 strikes the support 35 the latter is moved into the position shown in Fig. 6.
  • the hooked end 49 of the lever arm 42 coupled with the feeler plunger 37 by a pin 35 has moved the latch 43 in unison'thera with by means of the hook Mi.
  • the movement of the latches i3 is transmitted to the parts to be influenced, as evident from 35 into the position Figs. 2 and 5 illustrating this operation for the latch 43 which is associated with the feeler plunger 36.
  • the plunger 36 transmits movement to the lever arm 2'! by means of stud 45, whereby the rocking bolt 26 is rotationally displaced and the corresponding control operation of the pattern chain is started.
  • the latch :13 (Fig. 6) actuated by the feeler plunger 31 influences the stopping device of the machine by means of the lever arm 28, in a known manner.
  • the counting drum I or the counting bands respectively can be reset into initial position by means of the rotation mechanism upon a certain limited number of feed steps having been carried out, due to initiation of a move ment by the patterning device.
  • the counting band may be given the shape of an endless band which returns into initial position on the completion of the pattern.
  • the open-ended counting band used may either be placed on a drum in the manner described by way of example, or may be guided by a rectilinearly shaped bar.
  • the drive of the counting device may be effected by means of another part of the machine than the pattern chain provided that this part is moved in time with this chain.
  • the counting device according to the invention has the following principal characteristics as evident from the preceding description.
  • the rows of continuous punchings for the reception of the releasing means as provided in the counting drum and in the counting bands to be placed on this drum correspond to each other in regard to division and distance, and the driving or actuating studs are so arranged on the counting drum that the apertures in a counting band placed thereon register with those in the drum.
  • the drum and the bands advantageously, consist of thin sheet metal so that snap fasteners can be inserted therein as stop members.
  • the counting bands or the drum to be provided with snap fasteners in accordance with a pattern are intended for use as traverse counters or as set counters, as desired, providing several patterning sections (band sections) are arranged thereon.
  • the counting device is equipped with a reversing de vice which is releasable by the pattern chain and which rotates the drum for resetting the same into a certain initial position after temporarily rendering ineffective the locking of the drum which takes place after each feed step.
  • the operations of feeding the drum and of detecting the releasing elements arranged on the drum or on the band are, advantageously, effected by means of bolts which are resiliently mounted in a common frame, being moved at each feed step of the counter, and a control bolt and a locking bolt of which effect the continuance of the drum feeding operation by interengagement with one row of punchings in the drum, while the remainder of the bolts remain in a raised position in the frame carrying them dependent upon whether they meet with a releasing element, thereby eilecting the feed control movements, for example, setting the machine at rest or releasing, that is, initiating the feed control operation of the pattern chain.
  • the counting device designed in this manner allows of being used, for example, as an ordinary traverse counter including a counting band or as a set counter with or without a counting band, without requiring substantial adaptation.
  • the counting drum is fed after each traverse of the slide of the machine by one division.
  • the releasable reversing device for the counting drum is operated by a pattern card on the completion of an article and the drum is moved into initial position.
  • the counting drum is fed by a division only on the com pletion of a repeat of pattern, on the pattern card,
  • the reversing device is operated after the passage of each individual article in order to reset the counting drum, that is, the counting band into initial position.
  • a counting device for machines for the production of looped fabrics operating by means of a patterning device, a rotatable counting drum having openings for feeding and locking said drum, control means operatively connecting said patterning device with said drum for the transmission of mutual control operations between said drum and said device, and adapted to engage in said openingsin said drum, and driving means provided on said rotatable drum for the actuation of a counting band selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a hollow rotatable counting dILllIl provided with openings for feeding and locking saiddrum over all the circumference cuted by the machine.
  • a hollow rotatable counting drum provided with openings over all the circumference thereof, control means operatively connecting said patterning device with said drum for the transmission of mutual control opera tions between said drum and said device, and;
  • trol means and driving means provided on said rotatable drum for the actuation of a counting band selectively placed on said drum, said drum and said band being provided with at least one .row of coinciding openings for the reception of said elements for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a hollow rotatable counting drum provided with openings over all the circumference thereof, control means operatively connecting said patterning device with said drum for the transmission of mutual control opera-v tions between said drum and said device and adapted to engage in said openings in said drum circumference, releasing elements for said control means, and driving means provided on said rotatable drum for the actuation of an endless.
  • counting band selectively placed on said .drum, said drum and said band being provided with at least one row of coinciding openings for thereception of said elements for releasing-said control pattern to .be produced by the machine.
  • a hollow rotatable counting drum made of thin sheet metal and provided-J with openings over all the circumference thereof,
  • control means operatively connecting said patterning device with, said drum and adapted to engage in said openings in said drum circumference, snap fasteners providing releasing ele-" ments for said control means, and driving means provided on said rotatable drum for the actuation of a counting band made of thin sheet metal selectively placed on said drum, said drum and said band being provided with at least one row of coinciding openings for the reception of said snap fasteners for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a counting device for machines for the production of looped fabrics operating by means of a patterning device, a rotatable counting drum having openings for feeding and locking said drum, a rotation mechanism operatively connected with said drum for rotating the latter into initial position, control means separately operatively connecting said patterning device with said drum and with the operating means of said rotation mechanism for actuating said mechanism fromsaid device, and driving means pro-, vided on said rotatable drum for the actuation of a set counting band provided with several patterns selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a patterning device a rotatable counting drum having openings for feeding and locking said drum, a rotation mechanism operatively connected with said drum for rotating the latter into initial position, control means separately operatively connecting said patterning device with means in accordance with the requirements of a said drum and with the operating means of said rotation mechanism for actuating said mechanism from said device, and driving means provided on said rotatable drum for the actuation of a traverse counting band provided with several patterns selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a counting device for machines for the production of looped fabrics operating by means of a patterning device, a rotatable counting drum provided with several patterns and adapted to serve as a set counter having openings for feeding and locking said drum, a rotation mechanism operatively connected with said drum for rotating the latter into initial position, control means separately operatively connecting said patterning device with said drum and with the operating means of said mechanism for actuating said mechanism from said device, and driving means provided on said rotatable drum for the actuation of a counting band selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a rotatable counting drum provided with several patterns and adapted to serve as a traverse counter having openings for feeding and locking said drum, a rotation mechanism operatively connected with said drum for rotating the latter into initial position, control means separately operatively connecting said patterning device with said drum and with the operating means of said rotation mechanism for actuating said mechanism from said device, and driving means provided on said rotatable drum for the actuation of a counting band selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a counting device for machines for the production of looped fabrics operating by means of a patterning device, a rotatable counting drum having openings for feeding and locking said drum, a dog provided on said drum, a control cam secured to said drum, a rotation mechanism operatively connected with said drum for rotating said mechanism into initial position, control means separately operatively connecting said patterning device with said drum and with the operating means of said mechanism, a rockable lever arm included in said operating means for actuating said mechanism from said patterning device by rendering ineffective the locking of said drum while moving out of inoperative position on the completion of a pattern and by rotationally displacing said control cam until said drum is locked again by said dog, and driving means provided on said rotatable drum for the actuation of a counting band selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a counting device for machines for the production of looped fabrics operating by means of a patterning device, a rotatable counting drum having openings for feeding and locking said drum, a dog provided on said drum, a control cam having two relatively inverted guideways secured to said drum, a rotation mechanism operatively connected with said drum for rotating said mechanism into initial position through maximum 180, control means separately operatively connecting said patterning device with said drum and with the operating means of said mechanism, a rockable lever arm included in said operating means for actuating said mechanism from said patterning device by rendering ineffective the locking of said drum while moving out of inoperative position on the completion of a pattern and by rotationally displacing said control cam in either direction by cooperation with the respective guideway thereof, until said drum is locked again by said dog, and driving means provided on said rotatable drum for the actuation of a counting band selectively placed on said drum, said drum and said band being provided with control openings for releasing said control means in accordance with the requirements of a pattern to be produced by the machine.
  • a rotatable counting drum having a row of openings for feeding and locking said drum, locking and feed bolts for said drum as well as feeler plungers resiliently mounted in a frame moved during each feed step of said counting drum for the transmission of mutual control operations between said drum and said device, said locking and feed bolts adapted to engage in said row of openings, releasing ele.

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  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US273073A 1938-05-16 1939-05-11 Machine for the production of looped fabrics Expired - Lifetime US2193969A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385646A (en) * 1980-02-26 1983-05-31 Staeubli Ltd. Reading and lifting device for a control machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385646A (en) * 1980-02-26 1983-05-31 Staeubli Ltd. Reading and lifting device for a control machine

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CH211477A (de) 1940-09-30

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