US3741257A - Adjuster in the connection path between a shed forming device and a heddle frame - Google Patents

Adjuster in the connection path between a shed forming device and a heddle frame Download PDF

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Publication number
US3741257A
US3741257A US00182633A US3741257DA US3741257A US 3741257 A US3741257 A US 3741257A US 00182633 A US00182633 A US 00182633A US 3741257D A US3741257D A US 3741257DA US 3741257 A US3741257 A US 3741257A
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United States
Prior art keywords
slot
arm
bearing block
improvement according
adjusting
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Expired - Lifetime
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US00182633A
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English (en)
Inventor
W Kleiner
E Hoenig
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Staeubli AG
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Staeubli AG
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • D03C1/14—Features common to dobbies of different types
    • D03C1/144—Features common to dobbies of different types linking to the heald frame
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C2700/00—Shedding mechanisms
    • D03C2700/01—Shedding mechanisms using heald frames
    • D03C2700/14—Heald frame lifting devices

Definitions

  • ABSTRACT A connecting and adjusting device for insertion into the linkage between a control device, as a dobby, and the heddles or heddle frame of the weaving machine.
  • the connecting and adjusting device is insertable between an oscillating lever constituting the output of a dobby 1 1 June 26, 1973 and a reciprocable rod connecting same to the input of the lift mechanism for heddle frames of a loom.
  • Said device comprises a body structure having slots therein at substantially right angles to each other. One slot is for the reception of one arm of said lever.
  • a loosely positioned slideable bearing blockt Said bearing block carries a bearing therein to which is connected the driving end of said connecting rod.
  • An arm projects rigidly from said bearing block and means are provided cooperable with said arm for displacing it from a position in center alignment with said slot. Such displacement affects a jamming of the bearing block within said slot and thereby removing any play which might otherwise exist between said bearing block and the walls of said other slot.
  • Supplemental means may be provided if desired, such as interengaging teeth, for further rigidifying the relationship between said arm or said bearing block and the body portion of said device.
  • threaded means may be provided for precisely adjusting the position of a snugly but slidably mounted bearing block within said second slot, which can thus accomplish the desired adjusting without the offsetting and jamming relationship above mentioned.
  • connection which transfers the movements of a shed-forming device, for example a dobby, onto the associated heddle or the heddle frame of a weaving machine must operate without play, namely on one hand so that the controlled movements are carried out immediately and accurately and on the other hand so that a deflection of the joints does not occur which would lead to cumulative inaccuracies in the sequence of motions.
  • a shed-forming device for example a dobby
  • To build the connection of any desired thickness is, however, not possible since the available room is limited by the thickness of the heddle frames which lie side-by-side.
  • this connection must permit a limited adjustment of the reciprocal position since the shed-forming device is an attachment for a weaving machine and the heddle frames must be adjusted with respect thereto.
  • the invention relates to an adjusting device in the connection path, or linkage, between the oscillating output member of a shed-forming device and a heddle frame or a heddle of a weaving machine.
  • an adjusting lever is mounted movably and fixably on the output member and has a pivot bearing for the connecting rod to the heddle frame mechanism.
  • the device transforms the oscillatory motion of the output member into an approximately rectilinearly extending reciprocal motion and permits the matching and adjusting of the shed-forming device and heddle frame or heddle, namely, with respect to the work path to be described and the distance. It is thereby necessary to make the adjustment on the side of the output member facing away from the connecting rod.
  • the objective of the invention is to provide such a device which is small enough in thickness to be within the spacing of successive heddle frames, which permits within a simple manner an adjustment in two directions and which transmits without play into different directions the forces which interchangeably act thereon.
  • One embodiment of the invention is characterized by the presence of a slot in the adjusting lever which slot extends transversely to the output member and in which slot a block carrying the bearing is movably positioned, and means are arranged accessible from the side facing away from the connecting rod for adjusting and securing in position the bearing carrying block.
  • FIG. 1 is a schematic illustration of one arrangement of an adjuster
  • FIG. 2 is a side view of the adjusting lever with the sidewall omitted
  • FIG. 3 is a cross-sectional view according to the line III-III in FIG. 2 but with the sidewall present,
  • FIG. 4 is a front view of a second embodiment corresponding to FIG. 2,
  • FIG. 5 is a cross-sectional view of a third embodiment
  • FIG. 6 is a cross-sectional view of same according to the line VIVI,
  • FIG. 7 is a cross-sectional view of same according to the line VII-VII in FIG. 5, and
  • FIG. 8 is a cross-sectional view of a fourth embodiment.
  • Lever drives 1 are on one side hingedly connected to the heddle frame 2 of a weaving machine and on the other side are hingedly connected to a not illustrated shed-forming control device or dobby, through the connecting rod 3, the bearing 7, the adjusting connector 5 sliding on the rail 6, whereby the rail 6 forms a part of an output lever 4 of said shed-forming device. Movement of the output lever 4 about its suspension point 10 through an angle identified with a, results in the movement A of the heddle frame needed for the weaving operation, namely lift of the heddle frame to effect its up and down movement. The magnitude of a is determined by the structure of the shed-forming device. lf now the heddle frame lift A is to be increased, it is sufficient to move the adjusting connector 5 in direction B on the rail 6.
  • the connector 5 may be moved in direction C.
  • An adjustment of the heddle frame 2 must not only take place with respect to its lift A but the heddle frame must also be adjustable with respect to its basic position. This can be achieved by moving the bearing 7 in the adjusting connector 5 in direction D or E.
  • the thickness of the heddle frames As is known the thickness of the heddle frames, the so-called division, is calibrated (normalized) and is maintained as small as possible so that as many heddle frames as possible will find room in the weaving machine.
  • the entire shed-forming device and thus also the adjusting device of the invention must be provided within this division. This requires particular arrangements of the adjusting and securing members as they are described as examples of the invention in the following discussion of various embodiments. Similar parts have the same reference numerals.
  • the adjusting connector 5 has a guide slot 8 into which the rail is placed and at a right angle thereto a slot 9 which extends on both sides of the guide 8 and in which on one side are positioned the bearing block 17 carrying the bearing 7 and from which block projects the arm 13.
  • the bearing block 17 is not provided with a sliding fit with respect to the slot 9 but it is constructed slightly narrower.
  • One narrow side of the arm 13 and the wall of the slot 9 cooperating therewith have each teeth 19 corresponding to a rack.
  • the part 15 of the guide 8 behind which there is the slot 16 is held against the lever arm 6 (FIG. 1) by means of the retaining nut 14. A surface pressure is obtained on the lever arm 6 by the part 15 which prevents the lever arm from being damaged by impressions of the retaining nut.
  • the bearing 7 is arranged with respect to the lever arm 6 on the same side as the pivot point 10 of the shift lever 4. After adjustment of the basic position of the heddle frame by moving the bearing block 17 and thus also the bearing 7 in the slot 9, the arm 13 is swung from the center axis of the slot 9 by tightening the screw 18 which causes the teeth 19 to engage.
  • the invention provides that l. the adjusting lever is moved on the lever arm from the side facing away from connecting rod and 2. is blocked without any damage from the side facing away from the connecting rod by the retaining nut 14;
  • the adjusted bearing is fixed without play in the reciprocating direction of the connecting rod 3 and so fixed also from the side facing away from the connecting rod by means of the screw 18 and the teeth 19, and
  • the numeral 8 again refers to the guide for the arm of the adjusting lever 5
  • 9 refers to the slot which extends transversely thereto
  • 17 identifies the bearing block with the bearing 7 of the connecting rod 3
  • 13 refers to an arm projecting from the bearing block.
  • the swinging of the arm with the bearing block away from the axis of the slot is also accomplished through the screw 18.
  • the teeth 29 which are provided on the bearing block and on the wall of the slot engage at the swinging motion of the bearing block and result in the no-clearance locking in the axial direction of the slot or in the longitudinal direction of the connecting rod 3.
  • the threaded nut is arranged on the arm 23 and the threaded nut 25 is arranged on the wall of the slot 9, into which is screwed the threaded bolt 26.
  • Said bolt 26 has both a right and left hand thread.
  • the threaded nuts 20 and 25 have each a lateral slot 28 so that as illustrated in FIGS. 6 and 7 during tightening of the screws 18, the threaded nut 20 is clamped into a no-play relationship on and to the bolt due to the bearing of the arm 23 onto the wall 30 of the slot 9. The same happens with the threaded nut 25 on which the arm 23 rests.
  • FIG. 8 there is still the adjusting connector 5 in which the slot 9 extends transversely to the guide 8 for the arm 6 of lever 4.
  • the bearing block 17 with arm 33 projecting therefrom is supported at one side of the guide 8 in slot 9 and at the other side of said guide the arm 33 is supported in and on the slide block 34.
  • the adjusting screw 36 is supported in the block 34 and extends through the thread 39 of the adjusting connector 5. By rotating the screw 36 the position of the bearing 7 can be adjusted.
  • an adjusting device for use between an elongated output lever of a dobby and a heddle frame mechanism, said adjusting device having means defining a pivot bearing for pivotably supporting a connecting rod utilized for connecting said adjusting device to said heddle frame mechanism, the improvement comprising:
  • said adjusting device having an elongated body
  • said body having means defining an elongated slot thereon extending generally parallel to said longitudinal I axis, said pivot bearing means being slidably received in said elongated slot adjacent one end, said connecting rod extending away from said body and said one end;
  • adjustable means mounted on said body adjacent an end thereof remote from said pivot bearing means and said connecting rod and connected to said pivot bearing means for adjusting and locking the relative longitudinal position of said pivot bearing means in said slot and thereby the position of said connecting rod relative to heddle frame mechanism.
  • said adjustable means consists of an arm projecting from said pivot bearing means positioned in said slot, said arm extending transversely across said body and locking means on said body remote from pivot bearing means connected to said arm for effecting a locking engagement of said arm to said body.
  • said locking means includes means for effecting a displacement of said pivot bearing means with respect to said longitudinal axis of said slot.
  • pivot bearing means comprises a bearing block slidably received in said slot and an arm secured to said bearing block and extending outwardly therefrom and terminating adjacent said remote end.
  • one of said bearing block and said arm has teeth on a side facing a wall of said slot and said wall of said slot at a corresponding location is also provided with similar teeth engageable with said teeth on one of said bearing block and said arm.
  • said body has means defining a guide surface thereon for guiding said adjusting device for movement relative to said output lever and means for securing said adjusting device to said output lever.
  • said securing means comprises means for urging said guide surface means into a frictional engagement with said output lever.
  • said guide surface means comprises a guide surface and means defining a second slot which is arranged behind said guide surface and extends parallel thereto, said guide surface being flexible into and out of said frictional engagement with said output lever.
  • said arm comprises a pair of spaced and parallel arms attached to said bearing block, said output lever being received between said arms and movable with respect thereto.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Seats For Vehicles (AREA)
  • Knitting Machines (AREA)
US00182633A 1970-09-25 1971-09-22 Adjuster in the connection path between a shed forming device and a heddle frame Expired - Lifetime US3741257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1425770A CH523989A (de) 1970-09-25 1970-09-25 Justiereinrichtung im Verbindungsweg zwischen einer Fachbildungsvorrichtung und einem Schaft oder einer Litze

Publications (1)

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US3741257A true US3741257A (en) 1973-06-26

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US00182633A Expired - Lifetime US3741257A (en) 1970-09-25 1971-09-22 Adjuster in the connection path between a shed forming device and a heddle frame

Country Status (7)

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US (1) US3741257A (enrdf_load_stackoverflow)
JP (1) JPS5020626B1 (enrdf_load_stackoverflow)
CH (1) CH523989A (enrdf_load_stackoverflow)
CS (1) CS159792B2 (enrdf_load_stackoverflow)
FR (1) FR2108396A5 (enrdf_load_stackoverflow)
GB (1) GB1354711A (enrdf_load_stackoverflow)
SU (1) SU502610A3 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991793A (en) * 1974-08-12 1976-11-16 Sulzer Brothers Limited Eccentric drive for a dobby
US4185666A (en) * 1977-07-20 1980-01-29 Staeubli Ltd. Adjusting device in the connecting path between a shed-forming device and a heddle frame
US20140238526A1 (en) * 2013-02-25 2014-08-28 Staubli Faverges Connecting rod for a weaving loom and weaving loom comprising this connecting rod
US20210148014A1 (en) * 2019-11-15 2021-05-20 Staubli Faverges Bearing for a shedding machine or motion transmission system, heald motion lever comprising such a bearing and shedding machine comprising such a lever or such a bearing

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5381026U (enrdf_load_stackoverflow) * 1976-12-08 1978-07-05
DE3668921D1 (de) * 1986-07-09 1990-03-15 Kaiser Gmbh & Co Kg Vorrichtung zum verbinden eines schwingarmes einer schaftmaschine mit einem schaft einer webmaschine.
EP0633335A1 (de) * 1993-07-05 1995-01-11 Stäubli AG (Stäubli SA) (Stäubli Ltd.) Justiereinrichtung im Verbindungsweg zwischen dem Schwingarm einer Schaftmaschine und einem Schaft einer Webmaschine
IT1271244B (it) * 1994-10-05 1997-05-27 Fimtextile Spa Testa della tiranteria di comdando dei quadri dei licci per effettuare in modo indipendente le due regolazioni rispetto alla leva di comando della macchina per la formazione del passo
EP0822278A1 (de) * 1996-07-29 1998-02-04 Sulzer Rüti Ag Einrichtung zum Verbinden einer Schaftmaschine mit einem Schafttrieb einer Webmaschine
FR2869920B1 (fr) * 2004-05-06 2006-06-09 Staubli Faverges Sca Mecanisme de formation de la foule et metier a tisser equipe d'un tel mecanisme

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991793A (en) * 1974-08-12 1976-11-16 Sulzer Brothers Limited Eccentric drive for a dobby
US4185666A (en) * 1977-07-20 1980-01-29 Staeubli Ltd. Adjusting device in the connecting path between a shed-forming device and a heddle frame
US20140238526A1 (en) * 2013-02-25 2014-08-28 Staubli Faverges Connecting rod for a weaving loom and weaving loom comprising this connecting rod
US8973620B2 (en) * 2013-02-25 2015-03-10 Staubli Faverges Connecting rod for a weaving loom and weaving loom comprising this connecting rod
US20210148014A1 (en) * 2019-11-15 2021-05-20 Staubli Faverges Bearing for a shedding machine or motion transmission system, heald motion lever comprising such a bearing and shedding machine comprising such a lever or such a bearing
US11613829B2 (en) * 2019-11-15 2023-03-28 Staubli Faverges Bearing for a shedding machine or motion transmission system, heald motion lever comprising such a bearing and shedding machine comprising such a lever or such a bearing

Also Published As

Publication number Publication date
DE2056904A1 (de) 1972-03-30
FR2108396A5 (enrdf_load_stackoverflow) 1972-05-19
GB1354711A (en) 1974-06-05
CS159792B2 (enrdf_load_stackoverflow) 1975-01-31
JPS5020626B1 (enrdf_load_stackoverflow) 1975-07-16
SU502610A3 (ru) 1976-02-05
DE2056904B2 (de) 1976-12-23
CH523989A (de) 1972-06-15

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