|| List of recent Stiffness-related patents
|Calculating fatigue and fatigue failure of structures|
The durability performance of a structure is virtually predicted, enabling the optimization of the durability performance. In a first act, the structure is modeled by a series of calculation points.
|Arm control apparatus, arm control method, arm control program, robot, and integrated electronic circuit for arm control|
There is provided a display information acquiring unit for acquiring display information on a screen of a touch panel display, a touch pattern estimating unit for estimating a region on the screen likely to be touched by a person and a motion direction of the touch based on the display information, a load estimating unit for estimating a load or a torque to the display based on the estimated region and the motion direction, a stiffness parameter information generating unit for generating information for controlling the arm so that the position and the orientation of the display do not change along the touching direction at the time of touch panel input based on the estimated load or torque, and an arm control unit for controlling a stiffness parameter of the arm based on the generated information.. .
|Medical leads and related systems that include a lumen body that is joined to a lead body and that has multiple filar lumens|
Medical leads include a lumen body at an end of the lead, and the lumen body includes multiple filar lumens. The lumen body is joined to a lead body, and electrical connectors are longitudinally spaced along the lumen body.
|Balloon catheters and methods for treating paranasal sinuses|
A set of sinus balloon catheters are provided for treating a patient's paranasal sinus system, including dilating prepared openings, and natural ostia and ducts and excising sinus cavities. These include a balloon catheter with a bend placing a distal segment at 90° to a proximal segment and a balloon catheter which is substantially straight.
|Paper with improved stiffness and bulk and method for making same|
The invention provides a three layered reprographic paper having improved strength, stiffness and curl resistance properties, and a method for making same. The paper has a central core layer made largely of cellulose and bulked with a bulking agent such as a diamide salt.
|Method of strengthening hair fibres|
Hair can be damaged in a number of ways including exposure to heat, bleaching, use of shampoos and styling products, brushing and combing, and exposure to the environment, for example ultra-violet light. Existing treatments designed to repair damaged hair make use of surface active materials that mask the problem rather than actually repairing the hair.
|Controllable polymer actuator|
A controllable polymer actuator (1) comprising a dielectric elastomeric film (2); a first (3) and a second (4) deformable electrode arranged on opposite sides of the dielectric elastomeric film such that application of a voltage between the electrodes causes an active portion (7) of the controllable polymer actuator to change topography. The controllable polymer actuator (1) further comprises a deformation controlling layer (5, 6) connected to the dielectric elastomeric film.
|In bicycle seat|
Among other things, a compliant element is configured to attach a seat of a device on which a user pedals to a frame of the device. The compliant element has a stiffness that is small enough to permit substantially unimpeded rocking of the seat relative to the frame in a plane in which the spine and pelvic bone of the user lie when the user is on the seat, and is large enough to maintain the seat in a substantially horizontal plane when the user is not on the seat..
|Bumper back beam being equipped with a fiber composite reinforcing material with hollow section inside and a bumper having the same|
A bumper back beam according to the present invention comprised as described above has high reliability, by having excellent ability to absorb impact energy because cracks almost do not occur during collision since it not only provides satisfactory strength and stiffness but also has high elongation with synthetic resin and fiber composite reinforcing materials generating synergies, and especially by having excellent impact resistance since fiber composite reinforcing materials take the shape of a hollow section.. .
|Amorphous metal riblets|
An array of aerodynamic riblets is created by a plurality of high stiffness tips with a layer supporting the tips in predetermined spaced relation and adhering the tips to a vehicle surface.. .
|Soundproofing assembly, in particular for a motor vehicle|
This assembly includes an elastic and porous base spring layer intended to be placed facing a surface, in particular of an automobile vehicle, and an intermediate insulation layer impervious to the passage of air, the intermediate layer being positioned on the base spring layer. The airproof intermediate layer has a surface mass density of less than 500 g/m2, the sound proofing assembly including a porous stiffening layer, positioned in contact with the impervious intermediate layer.
|Multimaterial block piece|
The invention provides for a blocking piece comprised of at least two materials having different rigidity/stiffness/hardness, wherein at least one among the two materials is translucent and defines an annular junction surface with respect to the other material. The invention also provides for a process using such a block piece..
A connecting member for the electrically conductive connection of two components, having a (first) conductor which comprises a tubular shell which has at least one opening to reduce axial stiffness.. .
|Mechanism for movement of a mirror in an interferometer, an interferometer incorporating the same and a fourier transform spectrometer incorporating the same|
A mechanism that allows for precise motion of the optics of an interferometer is comprised by two or more diaphragm flexures having high lateral stiffness, creating a superior performing michelson interferometer. When coupled with precise precision control of a mirror surface and a reference laser, the above creates a superior performing fourier transform spectrometer..
|High stiffness waterproof roof panel pad for vehicle and manufacturing method thereof|
A high stiffness waterproof roof panel pad for a vehicle, which is configured by stacking and laminating a waterproof reinforcing layer coated with pe layers on both surfaces of a urethane foam pad, thereby reinforcing the stiffness of a vehicle body panel, preventing the pad from becoming wet due to dew condensation and thus increasing noise and vibration reduction effects and having a waterproof function. Additionally, a method of manufacturing the waterproof roof panel pad includes preparing a hard urethane foam pad, preparing a waterproof reinforcing layer of which both surfaces are coated with pe layers, stacking the waterproof reinforcing layer on both surfaces of the urethane foam pad, laminating the pe layer in contact with the urethane foam pad and integrally forming the urethane foam pad and the waterproof reinforcing layer, and performing a cutting operation according to a shape and a size of a roof panel..
|Coupling having arcuate stiffness ribs|
A coupling for joining pipe elements end to end has a unitary band surrounding a central space for receiving the pipe elements. Ends of the band are in facing relation.
|Micro lead frame structure having reinforcing portions and method|
In one embodiment, a micro lead frame structure includes one or more stiffness reinforcing structures formed on leads and/or connecting structures. The stiffness reinforcing structures can be formed by leaving predetermined portions of the micro lead frame at full thickness including, for example, portions of an inner lead, portions of an outer lead, and portions of a connecting bar, combinations thereof, and other structures.
|Stretched artist canvas with rigid foam back|
A stretched artist canvas frame system is supported with a rigid foam back to either allow artists to apply pressure to a canvas without stretching it and causing sagging, or to allow artists to use the stretched artist canvas as an alternative for artists who paint on board. The frame system is a light weight alternative to painting on board, especially when the paintings become very large.
|Flame retardant thermoplastic resin composition and article comprising the same|
The flame retardant thermoplastic resin composition includes about 100 parts by weight of a polycarbonate resin; about 5 parts by weight to about 30 parts by weight of a rubber modified aromatic vinyl-based copolymer resin; about 10 parts by weight to about 30 parts by weight of an aromatic phosphoric acid ester compound; and about 5 parts by weight to about 100 parts by weight of fillers including wollastonite and talc, wherein a weight ratio of wollastonite to talc ranges from about 1:about 0.1 to about 1:about 0.5. In the flame retardant thermoplastic resin composition, wollastonite and talc are present in a specific ratio, which can provide excellent properties in terms of stiffness such as flexural modulus and bending characteristics, and flame retardancy..
|Constant-velocity joint link with reduced axial stiffness|
The present application provides a drive link for a constant-velocity joint of an aircraft rotor, the link connecting a drive hub attached to a driveshaft to a rotor yoke. The link comprises a leading bearing connected to the drive hub, a trailing bearing connected to the yoke, a central portion between the bearings, and a tension loop connecting the bearings.
|Passive stiffness and active deformation haptic output devices for flexible displays|
A system includes a flexible display configured to display an image and a sensor connected to the flexible display. The sensor is configured to sense an amount of flexure of the flexible display.
|Crossbow comprising a composite material component|
A crossbow may include a crossbow barrel having reduced weight and increased strength and shock resistance to the crossbow. This invention may also aid in improving torsional resistance, improving specific stiffness, and increasing compresses strength.
|Flexible robotic actuators|
Some embodiments of the disclosed subject matter includes a laminated robotic actuator. The laminated robotic actuator includes a strain-limiting layer comprising a flexible, non-extensible material in the form of a sheet or thin film, a flexible inflatable layer in the form of a thin film or sheet in facing relationship with the strain-limiting layer, wherein the inflatable layer is selectively adhered to the strain-limiting layer, and wherein a portion of an un-adhered region between the strain-limiting layer and the inflatable layer defines a pressurizable channel, and at least one fluid inlet in fluid communication with the pressurizable channel.
|Robot device, robot control method, program, and recording medium|
A joint torque computing unit computes a joint torque t1 of a joint necessary to move a joint angle to a target joint angle. A summing unit obtains a sum value u1 indicating the sum of generated forces generated at actuators, from a target stiffness.
|Stents having radiopaque mesh|
A stent including a mesh made of strands. The mesh has at least one radiopaque strand and at least one non-radiopaque strand, and the at least one radiopaque strand and the at least one non-radiopaque strand each have different diameters.
|Folding/retractable pickup truck box cover|
A retractable pickup truck box cover system includes a pivot joint with improved strength, durability, and manufacturability between panels of a panel assembly of the cover system. A sealing system between the panels and along ends of the panel assembly provides improved weather resistance to the cover system.
|Ice hockey runner-blade assembly|
A customizable hockey skate includes a removable runner-blade assembly such that a runner-blade assembly having a first stiffness may be readily replaced with a runner-blade assembly having a second stiffness. The runner-blade assembly may be removably attached to first and second cups that are optionally removably attached to the sole of a skate boot.
|Paper feed apparatus, image forming apparatus and image forming system|
A paper feed apparatus capable of properly feeding various types of sheets is described. The paper feed apparatus includes a plurality of paper feed units, and a control unit which determines the printing suitability of a combination of the sheet and the paper feed unit on the basis of the size and stiffness of the sheet stored in the paper tray.
|Ultra lightweight segmented ladder/bridge system|
A dual-use ladder and bridge modular system preferably includes tubes, gussets, flanges, and/or joints. In a preferred embodiment, the tubes, gussets, flanges, and/or joints are made of carbon fiber.
|Hairbrush device having a variable stiffness of brush filaments|
A hairbrush device (100) comprises a first plurality of brush filaments (112) and a second plurality of brush filaments (116). A property of the first plurality of brush filaments (112) and a respective property of the second plurality of brush filaments (116) are different from one another.
|Lung ventilation device|
A lung ventilation device has a stem to fit in a trachea, having at least two ventilation passageways communicating with distal passageways configured to fit in the bronchi at the carina. There is a positioning balloon to engage the walls at the carina when inflated.
|High stiffness thrust component for linear actuator|
An apparatus comprises an actuator having a motor, a housing and a thrust rod, where the actuator is configured to convert rotational motion of the motor into axial motion of the thrust rod. A movable holder is coupled to the thrust rod, and configured for axial motion of a tool coupling therewith.
|Moment frame links wall|
A lateral bracing system having high initial stiffness and including yield links capable of effectively dissipating stresses generated within the lateral bracing system under lateral loads.. .
|Exfoliating brush head for a personal care appliance|
Exfoliating brush heads are disclosure for use with a personal care appliance. The personal care appliance is configured to oscillate the exfoliating brush head to provide improved smoothing and exfoliation of a patient's epidermis with or without the antecedent application of skin care formula.
|Bearing for rotor blade|
A rotor blade assembly includes one or more flex-beam members and a torque tube surrounding the one or more flex-beam members and extending at least partially along a rotor blade assembly length. A pitch bearing assembly is supportive of the torque tube relative to the one or more flex-beam members and includes at least two outer bearing members secured to the torque tube and an inner bearing member positioned at least partially within the at least two inner bearing members and secured to the one or more flex beam members.
|Increased stiffness underbody panel|
A vehicle structure includes a frame having a first frame rail and a second frame rail. The first and second frame rails are spaced apart by a distance and are substantially parallel to one another.
|Tunnel arrangement for a floor assembly of a vehicle body, and a floor assembly|
A tunnel arrangement for a floor assembly (2) of a vehicle body has front and rear tunnel sections (24, 26) and a tunnel bridge (27) that increases stiffness. A floor assembly also is provided and has the tunnel arrangement..
|Robot device, robot control method, program, recording medium, and control device|
A joint torque computing unit computes joint torque t1 necessary to set a joint angle θ of a joint to a target joint angle ra. A summing unit obtains a sum value u1 representing a sum of generated force command values ue1 and uf1 as to mono-articular driving actuators, based on target stiffness rs of the joint.
|Head support for a pushchair|
A head support for a pushchair comprises a support section, a seat connection section and a back support. The support section forms a u-shape and comprises an armature, comprising sides, that provides stiffness to the support section.
|New poly-amic acid, photo-sensitive resin composition, dry film, and circuit board|
The present invention relates to a novel polyamic acid introduced with an imidazolyl group in the polymer chain, a photosensitive resin composition including the polyamic acid and that is capable of providing a photosensitive material that satisfies the characteristics of an excellent bending property and low stiffness and also exhibits excellent heat resistance and coating resistance, a dry film obtained from the photosensitive resin composition, and a circuit board including the dry film.. .
|Repair method of repair target portion, and repaired product obtained from repairing|
The present invention relates to a repair method using a pre-cured repairing patch, and a repaired product obtained from repairing using the repairing patch, and the present invention securely bonds a repairing patch, where an out-of-plane stiffness is required, to a repair target. In order to cover a repair target portion 23 formed in an outer panel 2 with a repairing patch 30, and bond the repairing patch 30 to a repair target, repairing plates 31, 32 that are formed of fibers and thermosetting resin, and pre-cured before repairing are used as the repairing patch 30, and a laminating step s4 of laminating the repairing plates 31, 32, and a bonding step s7 of bonding the repairing plates 31, 32 to each other are performed..
|Temperature drift compensation of mems resonators|
A resonator device comprising a piezoelectric material and at least one electrode, the device also provided with a material with a positive coefficient of stiffness, wherein the material is disposed in the device as an electrode or as a separate layer adjacent the piezoelectric material formed as one or more layers in the device. The material that performs the temperature compensating function is selected from the group consisting of ferromagnetic metal alloys, shape-memory metal alloys, and polymers, wherein the selected material has a temperature coefficient that varies with the relative amounts of the individual constituents of the compositions and wherein the composition is selected to provide the material with the positive coefficient of stiffness..
|Electric supply structure|
An electric supply structure includes a body including plural shaft support portions, a housing being joined with the body, a motor being positioned between the body and the housing, being restricted from moving in an axial direction of a motor shaft by the shaft support portion and being rotatably supported about the motor shaft, a terminal being connected to the motor, and a connector being provided with an insertion hole. The terminal includes a bus bar portion movably mounted to the body, a motor-side terminal portion being fixed on the motor so as to supply electricity and a connector-side terminal portion being positioned to be inserted into the insertion hole.
A conveyance seat includes: a seating sensor structure including a pressure-sensing portion that is used to detect a pressure, the seating sensor structure being arranged inside a seat pad of the conveyance seat through integral foam-molding. The seating sensor structure is formed by laminating the pressure-sensing portion, a second sheet-shaped member and a first sheet-shaped member in this order from a seating face side.
|Method for optimizing the tolerancing of a set of flexible parts subjected to forces|
A method for optimizing the tolerancing of a set of flexible parts subjected to forces. At the design phase, an optimum tolerancing for flexible parts is defined according to the assembly process plan and the desired functional requirements.
|Robotics apparatus, robot control method, program, and recording medium|
The robotics apparatus includes an f1-actuator for driving a first link, an f2-actuator for driving a second link, an actuator for simultaneously driving both links, and a cpu for controlling those actuators. The cpu sets a driving-force command value to an e3-actuator to a predetermined set value.
|Composite micro-electro-mechanical-system apparatus and manufacturing method thereof|
A mems apparatus comprising composite vibrating unit and the manufacturing method thereof are disclosed. The vibrating unit includes a stiffness element on which a first material is disposed.
|Fuel injection system having a fuel-carrying component, a fuel injector and a suspension|
A suspension for fuel injection systems is used for connecting a fuel injector to a fuel-carrying component. A connecting body having a receiving space is provided for this purpose.
|Cushion with selectively variable softness/stiffness|
A cushion (16) for use with a mask (10) in delivering a flow of breathing gas to a user includes a first portion adapted to contact a surface of a user, a second portion adapted to be coupled to a mask shell (18), and a wall portion extending between the first portion and the second portion. The wall portion includes a chamber formed therein, the chamber having one of an electro-rheological fluid or a magneto-rheological fluid disposed therein.
|Supporting device for gas turbine and gas turbine with the same|
A supporting device for a gas turbine includes a base frame; a fixing member installed on the base frame so as to support one end of a gas turbine; and an absorbing member installed on the base frame so as to support the other end of the gas turbine. The absorbing member having lower stiffness than the fixing member so as to deform in first and second directions when the gas turbine thermally expands..
|Electric power assisted steering systems|
A vehicle comprising an electric power assist steering (epas) system, wherein the epas system is configured to receive a detected value of steering wheel angle and/or steering wheel angular velocity and wherein the epas system is configured to improve the accuracy of the detected value of steering wheel angle and/or steering wheel angular velocity by compensating for any one or more of an angular phasing of the joint between any two linked components of the steering mechanism and the effect on steering wheel angle of the deflection across a torque sensor at least substantially due to the stiffness of that torque sensor.. .
|Magnetically controlled stiffness of materials|
A system and method for the use of magneto-rheological fluids (mrf) and magnetically controlled elastomers (mce) for use in fluid control and distribution apparatus which are responsive to control by a magnetic field are disclosed.. .
|Methods and apparatus for an adjustable stiffness catheter|
Apparatus and methods for an endovascular catheter that can be inserted within tortuous body anatomies and then selectively stiffened and fixed in place. In a particular embodiment, this stiffness is reversible.
|Nerve block system with curved introducer and methods of use|
Disclosed herein is a nerve block system comprising a nerve block needle and a curved introducer. Also disclosed are components of and methods of use of the nerve block system.
|Catheter stiffness adjustment system and method|
A catheter stiffener adjustment system including a first member with an outer diameter and having at least three first segments with at least one joint enabling the segments to bend relative to each other, and a second member having an inner diameter defining a passageway through which the first member is movable relative to the second member. The second member has at least three second segments with at least one joint enabling the segments to bend relative to each other.
|Stress shield and infection control for a skin-implant interface|
Embodiments for superficial tissue compliance modulation and negative pressure wound therapy for stabilization of a chronic percutaneous implant are disclosed. An external cap is coupled to a compliance gradient of progressively decreasing stiffness.
|Friction-based orthotic impedence modulation device|
The present invention relates to an impedance modulation device for an orthotic application. The device includes a high-stiffness loading spring, a low-stiffness return spring, a shaft having an output connector, and an engagement mechanism.
|Intravascular devices, systems, and methods|
Intravascular devices, systems, and methods are disclosed. In some embodiments, the intravascular devices include at least one electronic, optical, or electro-optical component positioned within a distal portion of the device and one or more connectors positioned at a distal portion of the device.
|Flexible driveshafts with bi-directionally balanced torsional stiffness properties|
This document provides flexible driveshaft devices. For example, this document provides flexible driveshaft devices that have bi-directionally balanced torsional stiffness properties.
|Systems and methods for predicting impact of a catheter on curvature of a vessel|
The invention generally relates to systems and methods for predicting impact of a catheter on curvature of a vessel. In certain aspects, the invention provides a system for predicting impact of a catheter on curvature of a vessel.
|Constitution of environment-friendly glass for tft-lcd|
A constitution of environment-friendly glass for tft-lcd is provided, which is employed in thin film transistor liquid crystal display, the constituents consist, expressed in terms of weight % on the oxide basis, of from 59 to 63 wt. % of sio2; from 13 to 17 wt.
|Programmable haptic peripheral|
A system includes a host computer, a processor, and a haptic peripheral. The haptic peripheral includes a manipulandum movable in at least one degree of freedom, an inertial haptic output device, and a haptic output device.
|Dongle with shape memory|
A dongle couples an electrophysiologic catheter and a navigational system, including a patient interface unit (piu). The dongle permits hardware normally carried on catheter control handle to be relocated onto the dongle to render catheter “greener” and less costly to manufacture use.
|Protective mid-cover textiles|
A new class of protective fabrics having good ballistic and fragmentary protection also provide wearable drape, softness, and moisture transport, as well as good uv and abrasion resistance and color acceptance, making them comfortable to wear as garment fabrics. The protective fabrics are constructed from yarns having at least 20% ballistic fibers with greater than 12 gpd tenacity.
|Constrained microlayer cellular material with high stiffness and damping|
Composite materials with high damping and high stiffness at relatively low density. These materials include three-dimensional structures of interconnected ligaments, which have multiple concentric layers alternating between stiff constraining layers and soft damping layers, so that bulk deformation of the structure results in high local shear strain and correspondingly high bulk damping..