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5860454 |
An electromagnetically-operating Jacquard control device has an electromagnet (1) with a magnetic core (3), an armature (8) and a limit stop (14) for each controlling element (16) to be controlled. The limit stop can optionally be brough...
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5791381 |
A process for determining the arrangement and step sequence of heald shafts of a heald loom for weaving a fabric including a backing fabric having a fabric pattern and an ornamental design. The ornamental design of the fabric is plotted ...
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5735315 |
Attached to a dobby for use in a loom is an actuator which is, in turn, attached to a first finger and a second finger to move them in unison in a cycle. The first and second fingers control the position of an upper hook and a lower hook...
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5365979 |
A dobby comprises first and second hooks relatively moved in the direction of approaching and leaving each other, a lever for selectively forcing the second hook to be engaged with the first hook, and a pusher for selectively providing t...
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5103873 |
A mechanism for controlling the movement of the griffe frames of shed-forming device in a weaving loom which includes a pair of levers which are pivotally mounted to the loom frame work and to one of the griffe frames in such a manner as...
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5018556 |
A dobby loom provided with up-and-down movement instruction apparatus which is controlled to two positions, operation and non-operation positions, by programmed magnetically-driven apparatus and wherein the instruction apparatus decides ...
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4903738 |
A Jacquard emulator for operating the pins of a Jacquard mechanism as is used in the textile industry. The emulator has a number of disks mounted on the shafts of respective stepper motors. The disks have a number of holes therein so tha...
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4777988 |
A reading device for use in a dobby having a peg cylinder connected to a heddle frame for operation thereof comprises a first bracket, a second bracket, a means for permitting physical contact between the first and second brackets and de...
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4766936 |
A card switching apparatus for a dobby comprises a bracket mounted for rocking motion around a shaft, a cylinder supported on said bracket and having a rotary shaft, a gear securely mounted on said rotary shaft of said cylinder, an input...
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4685492 |
In a reading device for a dobby machine, the reading levers and retaining hooks are pivotally mounted on separate axes. Each reading lever rotates a retaining hook so that the angular velocity of the retaining hook decreases as the retai...
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4566499 |
An electronic jacquard mechanism for controlling shedding motion of warps by selectively holding dropper needles by means of solenoids in accordance with command signals generated from a computer. Movable cores of the solenoids are direc...
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4552184 |
A dobby includes a needle mechanism having a reading needle, the head of which, during reading of a nonperforated location on a pattern card, engages a pawl and, during reading of a hole in the card, releases the pawl to permit the pawl,...
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4542770 |
A command device for a dobby machine, which device includes a pattern card having a plurality of perforations bored in a pattern corresponding to a desired fabric and driven in one direction and a feeler needle suspended from a horizonta...
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4527597 |
Dobby for a weaving loom in which control of the operative and non-operative positions of retaining hooks or hook arms which are engaged with and disengaged from hooks of heald frame-driving levers to actuate desired heald frame is elect...
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4489763 |
This invention relates to a leveling device in which a shaft (7) of a card cylinder (6) is supported by a bearing of a card cylinder bracket, base portion of the card cylinder bracket is pivotally attached to a machine frame, and the car...
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4474221 |
A positive dobby machine characterized in that return knives (16a), (16b) move in parallel and have pressure receiving planes (18a), (18b) perpendicular to the moving direction, first pressure receiving planes (7a), (7b) which can be con...
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4471814 |
The invention provides improvements in the members of a loom dobby reading unit, which enable the reading unit and control unit to be structurally separated. For this purpose, the reading unit rockers act on the control unit by simple be...
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4465109 |
Improvements are made to members of a loom dobby control unit so as to allow structural separation between the reading unit and control unit. For this purpose, the reading unit rockers operate on the control unit by simple bearing and th...
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4461325 |
The present invention relates to electromagnetic devices for controlling dobbies and other weaving systems, wherein the control unit which contains the electro-magnets is borne by an oscillating frame on which is mounted an equal number ...
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4417604 |
A method and apparatus for synchronizing all heddle frames of a weaving machine which are operated by a punched-card-controlled dobby. The pattern card cylinder or the reading needles are moved to positions in which during a read, all th...
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4415007 |
An apparatus for controlling a dobby in which reading needles read a punch card and each needle influences the movement of a respective heddle frame. Two outer disks having annular toothed portions arranged on the axial facing sides ther...
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4386631 |
In a negative double lift dobby machine, a balance lever 8 is pivotally attached to a jack-lever, and driving members 16, 17 disposed respectively in front of upper and lower ends of the balance lever 8 reciprocate in opposite phases wit...
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4385646 |
A reading and lifting device has a force amplifying bar which can be reciprocated vertically and is driven positively, and a reading needle is slidably supported therein. A pattern card with nonperforated and perforated points is provide...
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4371006 |
A reading needle is slidingly supported in a force amplifying bar which is automatically moved up and down and the reading needle reads nonperforated and perforated points of a pattern card. In the case of a perforated point, a pivotal l...
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4326562 |
The present invention relates to dobbies of the type in which each double swinging lever is controlled by two pulling hooks cooperating with pulling knives with reciprocal movement. Each non-selected pulling hook in each pair is raised a...
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4187886 |
A dobby for the formation of the shed on weaving looms, of the type in which each of the double swinging levers coupled to the heddle frames of the loom is displaced alternately by two pivoted pulling hooks which are controlled on the on...
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4182380 |
A dobby for a weaving loom, of the type in which each dobby element associated with a heddle frame or group of heddle frames comprises an actuating lever actuated by a reciprocating movement, a double swinging lever pivoted thereon and o...
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4172476 |
A dobby with a mechanical reading device for a control card having perforated and nonperforated portions therein according to a pattern. The reading needle of the reading device of the pattern card has yielding elements for the purpose o...
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4172475 |
A weaving machine comprising a dobby and a Jacquard machine as the control members, wherein the dobby is controlled from a single pattern card in the Jacquard machine. Harness cords connect the Jacquard hooks to the heddles and to a mova...
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4154268 |
A method for controlling the heddle movement in a shed-forming machine and apparatus for performing the method. Reading needles are moved into and out of engagement with a pattern card having perforated and nonperforated portions therein...
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4150698 |
A loom patterning mechanism including a continuously movable pattern information means and pattern sensing means associated with the information means and movable synchronously therewith over at least part of a loom cycle, the sensing me...
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4137951 |
The present invention relates to apparatus for controlling the actuating mechanism of a loom dobby and may be most effectively used in looms wherein the heald shafts are raised and lowered by means of continuously-rotating dobbies. This ...
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4059131 |
The jacquard selection system employs a slider between each multimorphous bending element and jacquard needle to absorb the stress imposed by the needle during a sensing operation. The sliders move within a guide in which they are spaced...
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4004135 |
A Jacquard card is placed in information-transfer relationship with an optical reader. Weave information, including an identification number and number of picks, is placed in a computer. The weave pattern is read row by row and pick by p...
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3951176 |
In a chain disc-type compound dobby machine, flexible instruction receiving members are integrally fixed to supporting hooks for decreasing the weight and the moment of inertia of the moving parts so that the connecting and detaching act...
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3848643 |
Reading system for a pattern card used to control a dobby. The reading needle extends through guide means which are caused to reciprocate in a direction parallel with the path of movement of the pattern card and to do so in such relation...
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3828826 |
The weaving machine is provided with control elements which are flexed or moved between one of two positions by magnetic, electrical or thermal forces as to program the movement of the healds in forming a shed. The use of jacquard cards ...
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3771571 |
An improved synchronized reading device for a loom, particularly a dobby machine, for reading a pattern having at least two rows of perforations thereon disposed according to a predetermined design. The reading device includes a set of f...
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3726324 |
Improvements in dobby machines, which improvements comprise a heald actioning device consisting of two horizontal shafts across the width of the dobby machine and carrying individual sets of eccentrics, each of which is connected to the ...
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3680601 |
A process and apparatus for reading-in of a perforated pattern card by means of reading needles for controlling the draw hooks of a dobby. An operating lever is flexibly coupled to the reading needles so as to effect the position of the ...
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3669154 |
There is disclosed an open shed double lift-Jacquard loom, comprising lifting blades and open shed blades, a plurality of rod means each possessing two resilient leg members positioned to cooperate with said blades. Each leg member is eq...
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3665972 |
A dobby in which the reading needles are actuated into reading position of a perforated pattern card by a first system that applies a low value driving force to the needles so that the pattern card is not damaged if a perforation is not ...
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3554238 |
A dobby in which the reading needles are actuated into reading position of a perforated pattern card by a first system that applies a low value driving force to the needles so that the pattern card is not damaged if a perforation is not ...
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3529635 |
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3517703 |
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3460582 |
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3441060 |
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3403705 |
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3390705 |
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3381719 |
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