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| Number | Title | Issue Date |
| 7637290 | Control device for a shift clutch of a dobby A control device (53) for a clutch assembly (11) of a dobby comprises a selecting finger (28) that is driven by an electromagnet (37). The selecting finger is rigidly connected to an armature (47) that has a curved armature section... | 12/29/2009 |
| 7140399 | Shaft drive system for power loom shafts A novel shaft gear for harmonious engagement and disengagement of individual heddle shafts and for deriving their motion from the rotary motion of a single input shaft has a coupling system with two input elements. While one of the input elements serves to drive the... | 11/28/2006 |
| 7059356 | Shed-forming device for a power loom A shed forming device (1) for a power loom has a plurality of heddle shafts, to which a drive mechanism with a plurality of servo motor groups (13, 14) is assigned. The servo motor groups are located below each of the heddle shafts (3 through | 06/13/2006 |
| 7032624 | Low-vibration shedding system A novel rod linkage for driving a heddle shaft includes at least one strap (16), which for damping oscillation has a sandwich structure (37) oriented in the longitudinal direction (L) of the strap assembly (16). The sandwich structure includes a... | 04/25/2006 |
| 6938647 | Rotating dobby for weaving loom and weaving loom equipped with such a dobby The dobby according to the invention comprises, at the level of each of its blades, an oscillating piece associated with an actuation element, at least one mobile coupling member borne by the actuation element and two pivoting levers subjected, on the one hand, to t... | 09/06/2005 |
| 6244961 | Arrangement for the control of a rotational shaft coupling for a dobby and a rotational shaft coupling with an arrangement of this kind The arrangement contains a carrier (4) which is mounted in a drive shaft (1) which is formed as a hollow shaft with holes (10) which are arranged in a radial plane, two switching tappets (5) which are displaceably arranged in the holes, two control member... | 06/12/2001 |
| 6105630 | Electrical rotating actuator for forming a weaving loom shed An electrical rotating apparatus for controlling a harness cord associated with the shed of a weaving loom which includes an actuator including a rotor and a stator. The rotor is formed of at least two permanent magnets which are mounted within a tube so ... | 08/22/2000 |
| 6050305 | Locking mechanism for a rotary electric loom shedding actuator A locking mechanism for a rotary electric actuator for the formation of a shed on a loom wherein the actuator includes a driving rotor for rotating a device for winding and unwinding a harness thread and wherein the actuator includes a locking plate drive... | 04/18/2000 |
| 5944061 | Dobby with cam drum lever drive A dobby for controlling movements of a heald frame in a weaving machine is provided. A treadle is mounted on a treadle spindle and a link arrangement connects the treadle to the heald frame. Levers are mounted on the treadle and catching members are arran... | 08/31/1999 |
| 5918645 | Catch configurations for the pivot arms of a rotary dobby A rotary dobby which includes pivoting arms which are moveable with respect to a plate connected to an element for actuating a heddle frame in controlled response to a reading-in device and wherein the pivot arms include catches which are uniquely configu... | 07/06/1999 |
| 5908050 | Actuator spacing for pivoting arms of a rotary dobby A rotary dobby which includes pivoting arms which are moveable with respect to a plate connected to an element for actuating a heddle frame in controlled response to a reading-in device and wherein the pivoting arms include catches which are engageable wi... | 06/01/1999 |
| 5653268 | Modulator mechanism for a rotary dobby in a loom A modulator mechanism for a rotary dobby, the input side of the modulator mechanism being connected to a drive which rotates at an essentially constant angular velocity and the output side thereof providing an output which is applied to a main shaft contr... | 08/05/1997 |
| 5488977 | Electromagnet-striker bar system for a rotary dobby drive device An electromagnet-striker bar system for the control device of a rotary dobby includes an amagnetic container having an extremely rigid box structure into which the iron cores of the electromagnets are equidistantly inserted and irreversibly locked. Amagne... | 02/06/1996 |
| 5479964 | Rotary dobby having connecting rod automatically disengagable from drive shaft A rotary dobby has two mutually opposed ratchet levers pivotably mounted to a cam disk engaging a connecting rod. First ends of the ratchet levers are to interact with two respective mating surfaces defined on the periphery of a drive disk integrated with... | 01/02/1996 |
| 5335564 | Cam for revolving dobby A cam for a revolving dobby includes a plate with an upwardly extending protective external edge, the external edge has two peripherally located, mutually opposite notches, key levers are associated with the plate and are protected by the external edge, t... | 08/09/1994 |
| 5265650 | Position sensor for an electronic rotary dobby An automatic control system for an electronic rotary dobby, has a pair of permanent magnets mounted on each of the corresponding rocker members. These members are driven by the dobby operating crank arms, such as the ends of the main levers. The magnets o... | 11/30/1993 |
| 5259419 | Keying lever arrangement in a high-speed rotary dobby A high-speed rotary dobby key mover mechanism having a main crank arm in which two keying levers that have the same arm ratio are mounted for pivotal movement on a cam in opposing positions. The adjacent ends of the keying levers cooperate with a key, whi... | 11/09/1993 |
| 5209270 | Key coupling device for high-speed rotary dobbies A control device for rotary dobbies in which a key has a transverse groove of width equal to the thickness of a control ring with which it cooperates plus the length of travel undergone by the key in its insertion into or withdrawal from radial grooves in... | 05/11/1993 |
| 5174342 | Device for driving dobby ring levers A device for driving the ring levers that control the keys of a high-speed rotary dobby. In the device, a metal rocker armature is hinged to each lever along the axis of symmetry of the device. The axis passes through the fulcrum about which the levers ro... | 12/29/1992 |
| 5131436 | Mid closing dobby A dobby for a weaving loom including a series of actuation elements which depend on a weaving program incorporated in a reading device and which are coupled to traction levers connected by a drawing system to the heddle frames, wherein, between the tracti... | 07/21/1992 |
| 5125434 | Actuation elements for a rotating dobby An assembly of actuating elements of a rotating dobby for a weaving loom wherein the elements for controlling the movement of each heddle frame include a lever pivotably connected to a connecting rod selectively engageable with an eccentric which is mount... | 06/30/1992 |
| 5107901 | Modulator mechanism for dobby A modulator mechanism for actuating textile dobbies in looms which include a cage driven in rotation by the drive shaft of the loom and which have at least two oscillating supports provided with rollers which roll in contact with a fixed cam which is conn... | 04/28/1992 |
| 5031668 | Jacquard weaving machine utilizing selectively reciprocatable control members An apparatus for controlling warp threads on weaving machines, particularly suited for control of warp threads on Jacquard type machines, for example selvedge machines. Control members are arranged to control movement of a warp thread and are adapted to b... | 07/16/1991 |
| 4924915 | Modulator for controlling high-speed rotary dobbies A modulator for controlling high-speed rotary dobbies of the type which control the dobby main shaft's motion by transmitting power from a drive shaft through pivotable rocker supports rotatably driven by the drive shaft and engaging conjugate cams so tha... | 05/15/1990 |
| 4905738 | Control for a rotary dobby heald frame connecting rod The control system of a coupling apparatus of a dobby loom includes a hollow drive shaft, at least one eccentric hoop supported thereupon and a connecting rod arranged therearound for a controlled drive of an element. A dog is supported radially displacea... | 03/06/1990 |
| 4858655 | Rotating dobby for weaving looms A rotating dobby for weaving looms wherein the oscillating rods which are connected to the heddles are positively and instantaneously retained in a fixed position upon the disengagement of the coupling hooks by way of which the rods are normally engaged w... | 08/22/1989 |
| 4776372 | Drive connection for controlling the reciprocation of an operating member from a drive shaft through an eccentric member A drive connection for reciprocating a connecting rod from an intermittently rotating drive shaft through an eccentric member to manipulate a harness frame of a textile loom from one shedding position to another, includes a drive ring fixed to the drive s... | 10/11/1988 |
| 4766935 | Positive dobby A positive dobby in which a pair of cam plates for moving each heald frame positively vertically are provided separately on the first cam shaft and on the second cam shaft parallel to the first cam shaft, whereby the dobby is constituted without enlarging... | 08/30/1988 |
| 4763697 | Mechanism to control the oscillations of the heald frame connecting rods in a rotary dobby Mechanism to control the oscillations of connecting rods operating the heald frames in a rotary dobby, of the type wherein, for each frame and connecting rod: the rod is mounted on a drive shaft by way of an eccentric interposed between the shaft and the ... | 08/16/1988 |
| 4730642 | Shaft control mechanism of a weaving machine A shaft control mechanism for controlling a shaft of a weaving machine according to a pattern includes a connecting rod operatively connected to the shaft, a drive element intermittently rotating and standing still in a dead center position, an eccentric ... | 03/15/1988 |
| 4730641 | Rotational dobby A driving coupling includes two pawls which are supported pivotally on an eccentric ring and which in a patternlike manner engage a longitudinal groove in the drive shaft. Each of two plates of a toggle-lever joint engages an arm extension of a respective... | 03/15/1988 |
| 4727910 | Drive connection for a reciprocating a connecting rod from a drive shaft through an eccentric cam A drive connection for reciprocating a connecting rod from a drive shaft through an eccentric cam to manipulate a harness frame of a textile loom from one shedding position to another. The drive connection includes a pawl mounted on an eccentric cam and m... | 03/01/1988 |
| 4699181 | Rotary dobby A rotary dobby includes a drive shaft assembly, an eccentric mechanism releasably coupled to the drive shaft assembly, the eccentric mechanism including a connecting rod having a coupling joint to be connected to a shaft linkage and the eccentric mechanis... | 10/13/1987 |
| 4646788 | Rotary dobby A rotary dobby for moving a shaft includes a connecting rod connected to the shaft to be moved, the connecting rod having two mutually-opposite wedge detents disposed thereon, an eccentric disk carried on the connecting rod having a wedge guide extended r... | 03/03/1987 |
| 4643231 | Rotary dobby A rotary dobby for moving a shaft includes a connecting rod connected to the shaft to be moved, the connecting rod having two mutually-opposite wedge detents disposed thereon along a given wedge-detent diametral line, an eccentric disk carried on the conn... | 02/17/1987 |
| 4625767 | Key coupling for a rotation dobby An eccentric ring is rotatably supported between a drive shaft and a connecting rod. Two coupling keys are independently radially movably supported on the eccentric ring. The first key, during a coupling operation, is radially moved by an inner cam and is... | 12/02/1986 |
| 4614211 | Dobby A rotary switch is provided in a dobby with a rotation drive and has for controlling the coupling part an annular collar. During rotation of the drive shaft, the coupling part is guided actively by the rotary switch, the position of which during this time... | 09/30/1986 |
| 4597417 | Lifting unit for a rotational dobby A normal position of a shifting wedge of a lifting unit for a rotational dobby is achieved by a movable arrangement of the recess in a locking block which receives the wedge and has rigid side flanks. The entire locking block is, against the urging of a s... | 07/01/1986 |
| 4552184 | Method and apparatus for controlling a rotation dobby 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, under the force o... | 11/12/1985 |
| 4544000 | Synchronized rotating dobby for weaving looms For the purpose of producing a synchronized rotating dobby capable of operating equally well in both directions of rotation, a plate fixed to a heddle-frame displacing eccentric is provided with a second notch diametrically opposite the immobilizing first... | 10/01/1985 |
