Patents Assigned to S.A. des Etablissements Staubli
  • Harness systems for weaving looms including disconnectable neck and harness cords
    Patent number: 5636663
    Abstract: A harness system for weaving looms wherein neck cords connected to an actuating mechanism for controlling the movement of at least one heddle are releasably connected to harness cords connected to the at least one heddle by way of collars having releasably engageable male and female portions. The harness cords pass through openings in a control member which is reciprocally moveable so as to move the collars relative to guides through which the neck cords extend from the actuating mechanism.
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: June 10, 1997
    Assignee: S.A. des Etablissements Staubli
    Inventor: Jean-Jacques Lacroix
  • Damper device for weaving machine oscillating members
    Patent number: 5462093
    Abstract: A motion damping system for a weaving machine which includes a pair of elastic members connected to supply damping force in opposite directions to an oscillating member. The oscillating member is connected to a control member so as to oscillate to and from a median position. The oppositely directed elastic members apply continous force to urge the oscillating member toward the median position.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: October 31, 1995
    Assignee: S.A. des Etablissements Staubli (FRANCE)
    Inventor: Jean-Paul Froment
  • Jacquard system with differentiated knife strokes to form an oblique shed
    Patent number: 5435353
    Abstract: In a Jacquard system, in order to form an oblique shed necessary for the weaving of ribbon-like articles drums whose diameters decrease from one end of the system to the other are provided. The drums are used for driving the runs of funicular elements which bear the knives for actuating the hooks of the modules which house the cords for vertical control of the warp yarns. The drums are driven with oscillating movement by two longitudinal connecting rods.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: July 25, 1995
    Assignee: S.A. Des Etablissements Staubli (France)
    Inventor: Pierre Bourgeaux
  • Heddle frame levelling apparatus for a rocking lever cam drive
    Patent number: 5341850
    Abstract: In a weaving machine with a cam mechanism for forming the shed a heddle frame levelling apparatus includes rocking levers which are pivoted about a pin which is urged against a fixed bearing surface on the frame of the machine during weaving by elastically deformable elements. In a first embodiment the movement of the pivot pin is effected by the rotation of an eccentric bearing whereas in a second embodiment this movement is caused by a jack.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: August 30, 1994
    Assignee: S.A. des Etablissements Staubli
    Inventors: Jean-Paul Froment, Jean-Pierre Pages
  • Speed reducer of the cycloidal type for robots and other industrial manipulators
    Patent number: 5312305
    Abstract: A speed reducer of the cycloidal type for robots and other industrial manipulators which includes actuation fingers introduced in openings of toothed cams controlled by rotating eccentrics. Each actuation finger is formed by a roller bearing having an inner ring mounted about a pin with clearance to thereby allow self-centering of an outer ring of each roller bearing in its respective opening.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: May 17, 1994
    Assignee: S.A. des Etablissements Staubli
    Inventor: Joseph Palau
  • Speed reducer of the cycloidal type for robots and other industrial manipulators
    Patent number: 5286235
    Abstract: A speed reducer of the cycloidal type for robots and other industrial manipulators including a rotating ring which receives input at rapid speed is supported within a casing by a single end bearing which forms a pivot. The opposite end of the ring abuts against roller bearings associated with a pair of cams. Actuation fingers are oriented through housings created by openings in the cams and are connected to an output. The actuation fingers are arranged to be self-centered in the housings.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: February 15, 1994
    Assignee: S.A. Des Etablissements Staubli
    Inventor: Vincent Gerat
  • Jacquard housing support system
    Patent number: 5257649
    Abstract: A Jacquard system for making patterns on the selvedges of fabrics being woven in a loom which includes a hollow input shaft for controlling the vertical movement of heddle support cords. The input shaft extends through a housing and a principle drive shaft extends through and is drivingly connected to the input shaft. The housing includes clamping apparatus for its adjustment along a support beam extending parallel to the principal drive shaft.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: November 2, 1993
    Assignee: S.A. des Etablissements Staubli
    Inventor: Jean-Paul Froment
  • Connectors for joining connecting rods with levers for controlling heddle frames in weaving looms
    Patent number: 5255719
    Abstract: Connectors which are removably mounted within connecting rods which are used to assemble the rods to levers for controlling the movement of heddle frames in a weaving loom and which include expandable jaws for securing the connectors within the rods.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: October 26, 1993
    Assignee: S.A. des Etablissements Staubli (France)
    Inventor: Jean-Paul Froment
  • Drawn lever lubrication apparatus for a weaving mechanism
    Patent number: 5251672
    Abstract: A drawing mechanism incorporating rocking levers interposed between a weaving mechanism and the heddle frames of a weaving loom wherein each of the rocking levers for coupling the connecting rods includes a lateral element which defines a lubrication conduit joining the interspace of the ball bearings to an opening made in the levers for mounting to a coupling pivot.
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: October 12, 1993
    Assignee: S.A. des Etablissements Staubli (France)
    Inventors: Jean P. Froment, Andre Fumex
  • Mounting arrangement for a dobby swinging lever
    Patent number: 5236019
    Abstract: A double-lift dobby of the Hattersley type, which includes swinging levers carried by moveable connecting rods wherein each connecting rod includes a slot in which an idle roller secured to the dobby frame is engaged. The edges of each slot define opposite tracks which guide the trajectory of each connecting rod during its full stroke.
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: August 17, 1993
    Assignee: S.A. des Etablissements Staubli
    Inventor: Jean-Pierre Pages
  • Spring tension relieving device for negative dobby
    Patent number: 5203381
    Abstract: A drawing device for actuating the heddle frames of a weaving machine of the negative type including rocking levers which guide cables extending from the heddle frame to a return spring system. The rocking levers are mounted on shafts which are shiftable within elongated slots to thereby relax tension on the cables and spring system.
    Type: Grant
    Filed: January 23, 1992
    Date of Patent: April 20, 1993
    Assignee: S.A. des Etablissements Staubli
    Inventors: Jean-Paul Froment, Andre Fumex
  • Spring attachment for negative dobbies
    Patent number: 5193590
    Abstract: In a spring system for dobbies and other weaving mechanisms of the negative type which includes hooking elements, each of the hooking elements includes, parallel to its edges which face the springs, a row of omega-sectioned openings which receive, by a lateral displacement along the axis of the opening, an endpiece of a shape to be seated within the openings.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: March 16, 1993
    Assignee: S.A. des Etablissements Staubli
    Inventors: Jean-Paul Froment, Andre Fumex
  • Cable wear pad for dobby shedding lever
    Patent number: 5143124
    Abstract: A system for fastening the drawing cables on the suspension levers of textile dobbies of the negative type, wherein the levers include flanges to which mounting eyes connected to the cables are secured. The cables are guided in grooves formed in a bearing pad which is cooperatively seated against the outer edge of the levers.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: September 1, 1992
    Assignee: S. A. Des Etablissements Staubli (France)
    Inventor: Jean-Paul Froment
  • Actuation elements for a rotating dobby
    Patent number: 5125434
    Abstract: 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 mounted to a drive shaft by bearings. The eccentric and the connecting rods are selectively rotated with the drive shaft by being selectively engaged with drive plates which are secured to the drive shaft under axial compression between compression members and the bearings.
    Type: Grant
    Filed: May 1, 1991
    Date of Patent: June 30, 1992
    Assignee: S.A. Des Etablissements Staubli (France)
    Inventor: Jean-Paul Froment
  • Electro-magnetic cassette unit for controlling dobbies
    Patent number: 5125435
    Abstract: An electro-magnetic unit for controlling the needles associated with the dobbies and other weaving mechanisms of a loom which includes a series of cassettes each containing electro-magnets for attracting blades associated with springs and stops to thereby define two stable positions for controlling the reciprocal movement of the needles and wherein the needles reciprocate through calibrated holes in a lower boss centered in an opening in the bottom of a box in which the cassettes are mounted.
    Type: Grant
    Filed: May 29, 1991
    Date of Patent: June 30, 1992
    Assignee: S.A. Des Etablissements Staubli (France)
    Inventor: Jean-Paul Froment
  • Modulator mechanism for dobby
    Patent number: 5107901
    Abstract: 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 connected to the principal shaft of the dobby. Connecting rods are pivotally attached to the supports and to a web fixed to the dobby shaft so that the dobby shaft is intermittently driven in rotation as the connecting rods are oscillated by the supports.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: April 28, 1992
    Assignee: S. A. des Etablissements Staubli (France)
    Inventors: Jean-Pierre Pages, Andre Fumex
  • Connection for pipes of the type incorporating rotating valves
    Patent number: 5090448
    Abstract: A connector for pipes including opposing body portions having bifurcated valve seats in which rotary valves are pivotally mounted by opposing pins extending from the valve seats so that the valves are automatically pivoted to an open alignment upon closure of the connector and are automatically pivoted to a closed position upon opening of the connector.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: February 25, 1992
    Assignee: S.A. Des Etablissements Staubli (France)
    Inventor: Gaston Truchet
  • Device, incorporating rotating valves, for coupling pipes
    Patent number: 5083588
    Abstract: This invention relates to a device, incorporating rotating valves, for coupling pipes, wherein the control mechanism (notched discs, fingers) associated with the valves of the two elements of the device, is arranged so that rotation of said valves, during approach of the two support plates, is effected sequentially, the second valve rotating the first in order to enable the first valve to move angularly thereafter, in either case without involving displacement along the axis of the device.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: January 28, 1992
    Assignee: S.A. des Etablissements Staubli (France)
    Inventor: Gaston Truchet
  • Control device for double swinging lever of a dobby
    Patent number: 5070911
    Abstract: A double lift dobby for controlling the movement of the heddle frames of a weaving machine which includes coupling members pivotally connected at each end of double swinging levers which coupling elements are selectively engaged to oscillating plates by reading and transmission elements controlled by extendable members of an actuating mechanism.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: December 10, 1991
    Assignee: S.A. des Etablissements Staubli (France)
    Inventors: Joseph Palau, Jean-Paul Froment, Jean-Pierre Pages
  • Device for coupling element-holding plates of multiple connections
    Patent number: 5024467
    Abstract: A device for coupling elements which are connected in line and which elements are carried by opposing holding plates wherein one of the plates is urged toward the other and threadingly locked with respect thereto by a rotating shaft having a threaded end portion which is engagable with a threaded member associated with the other plate and wherein the advancement of the threaded shaft is resiliently retarded in order to permit a proper meshing of the threaded elements upon their initial engagement.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: June 18, 1991
    Assignee: S.A. des Etablissements Staubli
    Inventor: Gaston Truchet