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69results about How to "Limited stiffness" patented technology
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Systems and methods for posterior dynamic stabilization of the spine
InactiveUS20080097441A1Reduces and eliminates facet painLiquidityInternal osteosythesisJoint implantsSpinal columnInterconnection
Systems and devices for dynamically stabilizing the spine are provided. The systems include a superior component for attachment to a superior vertebra of a spinal motion segment and an inferior component for attachment to an inferior vertebral of a spinal motion segment. The interconnection between the two components enables the spinal motion segment to move in a manner that mimics the natural motion of the spinal motion segment while substantially offloading the facet joints of the spine. Methods are also provided for stabilizing the spine and for implanting the subject systems.
Owner:EXACTECH INC
Integrated, proportionally controlled, and naturally compliant universal joint actuator with controllable stiffness
InactiveUS6870343B2Limited stiffnessMinimize airflowProgramme-controlled manipulatorComputer controlProportional controlUniversal joint
Owner:RGT UNIV OF MICHIGAN
Direct drive instruments and methods of use
ActiveUS20080221391A1Limited stiffnessAdjustable stiffnessSuture equipmentsCannulasDistal portionUser input
Owner:BOSTON SCI SCIMED INC
Systems and methods for posterior dynamic stabilization of the spine
InactiveUS8025680B2LiquidityReduces and eliminates painInternal osteosythesisJoint implantsSpinal columnInterconnection
Systems and devices for dynamically stabilizing the spine are provided. The systems include a superior component for attachment to a superior vertebra of a spinal motion segment and an inferior component for attachment to an inferior vertebral of a spinal motion segment. The interconnection between the two components enables the spinal motion segment to move in a manner that mimics the natural motion of the spinal motion segment while substantially offloading the facet joints of the spine. Methods are also provided for stabilizing the spine and for implanting the subject systems.
Owner:EXACTECH INC
Magnetically navigable balloon catheters
ActiveUS20050273130A1Reduce sharp discontinuity in flexibilityEasy to useStentsBalloon catheterBalloon catheterExternal source
A balloon catheter comprising an elongate tube having a proximal end and a distal end, and a lumen therebetween, and a balloon at the distal end of the tube, in fluid communication with the lumen. A magnetically responsive element at the distal end of the device sized and shaped to orient the distal end of the device in an operating region in a subject upon the application of a magnetic field from an external source magnet.
Owner:STEREOTAXIS
Device for generating stiffness and method for controlling stiffness and joint of robot manipulator comprising the same
InactiveUS20100326227A1Rapidly and easily control stiffnessGenerate stiffnessMechanical apparatusJointsRotational axisSacroiliac joint
The present invention relates to a device for generating stiffness and a method for controlling stiffness, which can generate stiffness by using elastic members and can control the stiffness, and a joint of a robot manipulator to which the device and method can be applied. The device for generating stiffness includes a rotating shaft; a plurality of elastic members fixed to the rotating shaft; upper and lower circular plates that are disposed so as to be spaced from each other with the elastic members interposed therebetween, are independently driven with respect to the rotating shaft by power generating units thereof, respectively, and respectively have slits of which the number is equal to the number of the elastic members; and a plurality of moving members that are inserted into the slits formed in the upper and lower circular plates, respectively, and are connected to the elastic members so as to move.
Owner:KOREA INST OF SCI & TECH
Real-time polishing pad stiffness control using magnetically controllable fluid
InactiveUS20040077292A1Limited stiffnessLiquid processingDecorative surface effectsMagnetic currentMagnetorheological fluid
A method of CMP polishing of a semiconductor wafer is described that includes using a polishing pad on a platen / table with the polishing pad including a sub-pad containing pockets of magnetorheological fluid. The stiffness of the sub-pad is controlled by selectively applying a magnetic field at selective pockets containing magnetorheological fluid to change the viscosity of the magnetorheological fluid. The changing stiffness increases the polishing rate of the pad in the areas of the magnetic field.
Owner:TEXAS INSTR INC
Flexible display
ActiveUS20190131553A1Increase stiffnessImprove equipment efficiencyCasings with display/control unitsSolid-state devicesDisplay deviceEngineering
Disclosed is a flexible display that is slim for flexibility, is controlled in stiffness, and has improved reliability owing to a structure of a non-folding portion thereof.
Owner:LG DISPLAY CO LTD
Interproximal cleaning tool and method of manufacture
InactiveUS20140166043A1Comfortably insertedEasy and efficient to manufactureGum massageBristlePlastic materialsSheet material
The present invention provides an interproximal cleaning tool including a handle that is cut from a first plastic material, and a pick molded over a portion of the handle. The pick may be precision injection molded over an extension portion of the handle from a plastic material different from the first plastic material. A method for manufacturing an interproximal cleaning tool includes the steps of: (a) providing a sheet of plastic material; (b) cutting a handle for the interproximal cleaning tool from the sheet, the handle being cut such that the handle includes a grip portion and an extension portion extending from the grip portion, the handle defining a width, wherein the width of the extension portion is narrower than the width of the grip portion; and (c) molding a plastic pick over the extension portion to form the interproximal cleaning tool.
Owner:RANIR LLC
Magnetically navigable balloon catheters
ActiveUS8419681B2Easy to browseLimited stiffnessStentsBalloon catheterBalloon catheterCatheter device
Owner:STEREOTAXIS
Golf ball
InactiveUS20070161434A1Limited stiffnessHigh overall moment of inertiaGolf ballsSolid ballsHard spheresMetal sphere
A golf ball is provided that has a hard sphere core or layer that exhibits a controlled vibrational response. The vibrational response may be controlled by tailoring the stiffness or damping of the sphere with at least one element, such as a groove(s) or any other type of indentation in the hard sphere core. The groove (or grooves) serves to locally reduce the wall thickness of the hollow metal sphere core, thereby reducing the stiffness of the core by allowing larger deformations under a load without significantly reducing the total mass of the core. This results in a golf ball that is legal for play and capable of drive distances essentially equivalent to those of currently available high performance golf balls, but that also maintains a high moment of inertia, allowing less hooks and slices during play.
Owner:NOONAN TECH +1
Loudspeaker and diaphragm therefor
ActiveUS20130070953A1High frequencyHigh pressure fluctuationTransducer detailsNon-planar diaphragms/conesHigh stiffnessEngineering
A loudspeaker radiating diaphragm can be stiffened to help increase the breakup frequency to above the working frequency range of the driver concerned, by forming it of a moulded part and an attached formed part. The moulded part is a radiating surface with stiffening ribs. The formed part is a thin surface of high modulus material, attached to the rear of the ribs. The overall structure can have significantly higher stiffness than either of the two parts. This helps in designing a loudspeaker driver that does not breakup within its working frequency range.
Owner:GP ACCOUSTICS (UK) LIMITED
Turbocharger control linkage with reduced heat flow
InactiveUS20130011243A1Increase control linkage shaft stiffnessReduce vibrationConnecting rodsInternal combustion piston enginesHeat sinkHeat flow
The life of an actuator such as a turbocharger VTG actuator is extended by reducing heat conduction from the turbine housing along the control linkage to the actuator link and into the actuator, thereby protecting sensitive electronic components. To this end, the control linkage may be equipped with cooling fins, or be made hollow rather than solid, or be made of a thermal energy retarding material in order to retard heat from the turbine housing assembly reaching the actuator.
Owner:BORG WARNER INC
Access and support system for convertible furniture
A furniture seating support system includes furniture support structure and a frame having tubular elements connected to the support structure. First and second tubular elements are positioned parallel to each other. A tubular cross member is connected to the frame between the first and second elements. A pair of pivoting joints each connect first element ends to the support structure, permitting first element rotation. Elastically flexible support straps with elastomeric elements are connected to the first and second elements to support an occupant. The cross member position is adjustable to vary strap stiffness. A furniture member cavity is accessible by raising the first element.
Owner:WEST & KNOWLES DESIGN & ENG L L C
Method and apparatus for determining comfortable footbed shapes
ActiveUS20080276476A1Level of comfortEliminate imbalanceMeasurement devicesSurgeryPlantar surfaceEngineering
A method and apparatus for determining the comfortable footbed shape for a person. The apparatus comprises a rear platform for supporting the rear of a foot, a front platform for supporting a forefoot, the height of at least one of said front and rear platforms being adjustable relative to the height of the other one of said platforms and fixable at a selected height relative to the other platform; and a supporting surface for accommodating the plantar surface of a foot, the supporting surface comprising a length of flexible material fixable mounted to and extending between said front and rear platforms. The apparatus can adjust the aforementioned components to various settings with a view to determining the plantar foot shape and the perceived comfort in any chosen posture.
Owner:THE HONG KONG UNIV OF SCI & TECH
Customized shoe and insole, method and apparatus for determining shape of a foot and for making a shoe or insole
ActiveUS7854071B2Level of comfortEliminate imbalanceFoot measurement devicesMeasurement devicesPlantar surfaceEngineering
Owner:THE HONG KONG UNIV OF SCI & TECH
Container for a stack of interfolded tissue sheets
InactiveUS7134572B2Solve the real problemSufficiently stiffFlat article dispensingContainer/bottle contructionEngineeringMechanical engineering
Owner:SCA HYGIENE PROD AB
Forming three-dimensional structure from receiver
ActiveUS20140117588A1Precise positioningReduce quality problemsElectric discharge heatingBox making operationsElectrical and Electronics engineering
A method for forming a three-dimensional structure includes depositing a first pattern of thermoplastic toner particles onto a first surface of a receiver to form a plurality of spaced-apart stacks of toner particles that extend above the first surface of the receiver. The receiver is bent so that non-overlapping first and second portions of the receiver are defined. At least part of a surface of the receiver in the second portion is brought into contact with the deposited stacks of toner particles. The toner particles are fused to bind the second portion to the first portion and provide a selected spacing between the first portion and the second portion.
Owner:EASTMAN KODAK CO
Flexible display
ActiveUS10541373B2Increase stiffnessImprove equipment efficiencyCasings with display/control unitsSolid-state devicesDisplay deviceEngineering
Owner:LG DISPLAY CO LTD
Ball bat including an integral shock attenuation region
ActiveUS20060025251A1Low axial stiffnessIncrease flexureRacket sportsShock waveUltrasound attenuation
Owner:EASTON DIAMOND SPORTS LLC
Snow board
InactiveUS6955374B2Comfortable handlingCharacterisation is requiredSki bindingsSki-brakesEngineeringLateral projection
A ski construction such as a ski, monoski, or snow board includes a principal base support (2) which has a sliding sole (6) that is raised to form a tip (8) at its front end. An upper surface of the ski defines a housing or pocket (20) with a central contracted region defined by lateral projections (18a, 18b). One of a family of elongated complementary elements (3) with hollow profiles (12a, 12b) is frictionally received in the pocket. The complementary elements can have different lengths, thicknesses, stiffness, constructions, or material properties. By selecting among the family of complementary elements, a common principal support base can be configured to have a variety of skiing characteristics which complement the skiing abilities of a variety of skiers, skiing conditions, and the like.
Owner:SKIS ROSSIGNOL
Access and support system for convertible furniture
A furniture seating support system includes furniture support structure and a frame having tubular elements connected to the support structure. First and second tubular elements are positioned parallel to each other. A tubular cross member is connected to the frame between the first and second elements. A pair of pivoting joints each connect first element ends to the support structure, permitting first element rotation. Elastically flexible support straps with elastomeric elements are connected to the first and second elements to support an occupant. The cross member position is adjustable to vary strap stiffness. A furniture member cavity is accessible by raising the first element.
Owner:WEST & KNOWLES DESIGN & ENG L L C
Stiffness control for electroactive actuators
ActiveUS20190348596A1Limited controlVariable profileGuide wiresPiezoelectric/electrostrictive device material selectionEngineeringUltimate tensile strength
An actuator device is provided having a controllable stiffness profile, wherein an actuator member (12) comprises an electroactive polymer material (16) having light absorbing filler elements (20) embedded therein. The filler elements are adapted to absorb and convert incident light (26) to heat energy to therefore heat surrounding sections of the electroactive material. By selectively controlling an intensity level or spectral composition of a light source (24) directed at the actuator member, a specific degree and spread of heating can be achieved across the member and, as a result, a specific desired stiffness or flexibility profile can be realised across the actuator member.
Owner:KONINKLJIJKE PHILIPS NV
Bipolar plate for a fuel cell, and a method manufacturing the same
ActiveUS20180114994A1Stiffness controlLimited stiffnessFinal product manufactureCollectors/separatorsFuel cellsHigh stiffness
A bipolar plate for a fuel cell includes a first plate having a first bead seal, and a second plate having a second bead seal. The first bead seal and the second bead seal are disposed opposite each other and extend along a centerline. An outer weld connects the first plate and the second plate together, and extends along an outer weld line. The outer weld line is laterally spaced an outer gap distance from an outer lateral edge of the first and second bead seals. The outer gap distance varies with a position along the centerline to control a stiffness of the bead seals. Positioning the weld line nearer the outer lateral edge increases the stiffness of the raised bead seals in low stiffness areas, whereas positioning the weld line farther from the lateral edge decreases the stiffness of the raised bead seals in high stiffness areas.
Owner:GM GLOBAL TECH OPERATIONS LLC
Method and apparatus for determining comfortable footbed shapes
ActiveUS7685728B2Level of comfortEliminate imbalanceFoot measurement devicesMeasurement devicesPlantar surfaceEngineering
Owner:THE HONG KONG UNIV OF SCI & TECH
Bushing
InactiveUS8967598B2Increase stiffnessIncrease shock loadMachine framesMultiple spring combinationsAutomotive engineering
Owner:JAGUAR LAND ROVER LTD
Method of Improving Wellbore Integrity and Loss Control
ActiveUS20190316025A1Improve integrityIncrease volumeDrilling compositionSealing/packingSealantUse of time
The present invention pertains to a method for enhancing wellbore integrity and / or for sealing a wellbore by sealing formation or micro-annulus fractures in a wellbore. Such sealing can be at least partially accomplished by the use of timed expansion of an expandable sealant material that is placed a wellbore. The expansion of the expandable sealant material causes the cement surface or formation surface to be compressed, thereby creating a tight seal and / or eliminating annulus cracking, fracture, and / or gas channels in the wellbore. A degradable polymer can be used when restoration of the wellbore formation is desired.
Owner:TERVES
Turbocharger control linkage with reduced heat flow
InactiveUS9435220B2Cost-effectiveLimited stiffnessConnecting rodsInternal combustion piston enginesThermal energyHeat flow
The life of an actuator such as a turbocharger VTG actuator is extended by reducing heat conduction from the turbine housing along the control linkage to the actuator link and into the actuator, thereby protecting sensitive electronic components. To this end, the control linkage may be equipped with cooling fins, or be made hollow rather than solid, or be made of a thermal energy retarding material in order to retard heat from the turbine housing assembly reaching the actuator.
Owner:BORGWARNER INC
Low Thermal Stress Engineered Metal Structures
ActiveUS20200331064A1Dissipate thermal energyReduce thermal stressTransportation and packagingMetal-working apparatusPhysical chemistryThermal transmittance
A structured multi-phase composite which include a metal phase, and a low stiffness, high thermal conductivity phase or encapsulated phase change material, that are arranged to create a composite having high thermal conductivity, having reduced / controlled stiffness, and a low CTE to reduce thermal stresses in the composite when exposed to cyclic thermal loads. The structured multi-phase composite is useful for use in structures such as, but not limited to, high speed engine ducts, exhaust-impinged structures, heat exchangers, electrical boxes, heat sinks, and heat spreaders.
Owner:POWDERMET
Forming a 3D structural element
InactiveUS20130292049A1Precise positioningReduce quality problemsLamination ancillary operationsLamination3d patterningBiomedical engineering
A structural element is formed. A 3D aim toner pattern is received. Using a processor, the 3D pattern is automatically sliced into a plurality of 2D aim toner patterns and corresponding thicknesses. A sheet is received. Toner corresponding to a selected one of the 2D aim toner patterns is deposited on the received sheet. The deposited toner is fixed to have substantially the thickness corresponding to the selected one of the 2D aim toner patterns. The receiving through fixing steps are repeated until each of the 2D aim toner patterns has been deposited onto a sheet. The sheets are fixed the together to form the structural element having toner corresponding to the 3D pattern.
Owner:EASTMAN KODAK CO
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