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Stiffness patents



      
           
This page is updated frequently with new Stiffness-related patent applications. Subscribe to the Stiffness RSS feed to automatically get the update: related Stiffness RSS feeds. RSS updates for this page: Stiffness RSS RSS


Method for performing a mechanical operation in a structure comprising two layers of different stiffness

Lightweight and rigid structure of battery unit

Date/App# patent app List of recent Stiffness-related patents
08/28/14
20140243843
 Rapid expansion balloon catheter patent thumbnailnew patent Rapid expansion balloon catheter
A balloon catheter assembly including a catheter, a sleeve, and a balloon. The catheter has a body, an exterior surface, a lumen, a port providing fluid communication between the lumen and the exterior surface, and a coupling mechanism to couple the lumen to an inflation source.
08/28/14
20140243461
 Reinforced poly(phenylene ether)-polysiloxane block copolymer composition, and article comprising same patent thumbnailnew patent Reinforced poly(phenylene ether)-polysiloxane block copolymer composition, and article comprising same
A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers..
08/28/14
20140243460
 Reinforced poly(phenylene ether)-polysiloxane block copolymer composition, and article comprising same patent thumbnailnew patent Reinforced poly(phenylene ether)-polysiloxane block copolymer composition, and article comprising same
A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers..
08/28/14
20140242897
 One-way exhaust vent patent thumbnailnew patent One-way exhaust vent
A one-way vent for installation in a panel aperture is described. The vent includes a frame made of a first material, and valve and seal members both made of a second material, which has a lower stiffness than the first material.
08/28/14
20140242438
 Lightweight and rigid structure of battery unit patent thumbnailnew patent Lightweight and rigid structure of battery unit
A battery unit is provided which includes a battery and a storage case in which the battery is mounted. The storage case is made up of a base, a cover, and an intermediate case.
08/28/14
20140238828
 Merged legs and semi-flexible anchoring for mems device patent thumbnailnew patent Merged legs and semi-flexible anchoring for mems device
The present invention generally relates to a mems device having a plurality of cantilevers that are coupled together in an anchor region and/or by legs that are coupled in a center area of the cantilever. The legs ensure that each cantilever can move/release from above the rf electrode at the same voltage.
08/28/14
20140238662
 Mitigation of downhole component vibration using electromagnetic vibration reduction patent thumbnailnew patent Mitigation of downhole component vibration using electromagnetic vibration reduction
An apparatus for reducing vibration in a downhole component includes: an electrically conductive auxiliary mass attached to the component and configured to vibrate in a direction corresponding to a direction of downhole component vibration and absorb a portion of the downhole component vibration; and a magnetic component configured to generate a magnetic field through the auxiliary mass having a direction at least partially perpendicular to the direction of auxiliary mass vibration, the magnetic field configured to induce a current in the auxiliary mass in response to auxiliary mass vibration. The apparatus has an auxiliary mass vibration frequency tuned relative to a selected natural vibration frequency of the downhole component to reduce vibration of the downhole component, the auxiliary mass vibration frequency based on a magnetic stiffness of the auxiliary mass, the magnetic stiffness based on a strength of the magnetic field and/or a resistance of the auxiliary mass..
08/28/14
20140238213
 Method for performing a mechanical operation in a structure comprising two layers of different stiffness patent thumbnailnew patent Method for performing a mechanical operation in a structure comprising two layers of different stiffness
A method for performing at least one mechanical operation on a structure including at least one first layer stacked onto at least a second layer, the first layer including at least one material with a young's modulus equal to or higher than about 50 gpa and higher than that of at least one material of the second layer, the method including: thinning the first layer, located at least at one area of the structure intended to undergo application of a pressing force upon implementing the mechanical operation; and implementing the mechanical operation including applying the pressing force located on at least one part of the area of the structure.. .
08/28/14
20140238152
 Device and method for localized force sensing patent thumbnailnew patent Device and method for localized force sensing
A device and method for operating a capacitive input device configured to sense input objects and their applied force in a sensing region, the device including a pliable component having an input surface and characterized by a bending stiffness, and first and second arrays of sensor electrodes. The input device further includes a third array of sensor electrodes and a spacing layer disposed between the third array.
08/21/14
20140236120
 Adjustable stiffness catheter patent thumbnailAdjustable stiffness catheter
The present invention relates to a catheter that has adjustable stiffness that enables a user to select the stiffness of at least one region of the catheter during insertion and navigation through a body lumen. A preferred embodiment of the invention works in combination with a guidewire to enable placement of the catheter at a position within the vascular system, for example, to enable treatment of a variety of medical conditions.
08/21/14
20140235982
Transcutaneous medical device with variable stiffness
The present invention relates generally to variable stiffness transcutaneous medical devices including a distal portion designed to be more flexible than a proximal portion. The variable stiffness can be provided by a variable pitch in one or more wires of the device, a variable cross-section in one or more wires of the device, and/or a variable hardening and/or softening in one or more wires of the device..
08/21/14
20140233781
Sound transmission material, sound control plane structure including building use using the sound transmission material, windscreen for microphone, protective grille, sound transmission projection screen, and speaker
A sound transmission, material is made of fibers entangled with each other and has a self-standing property and a high performance sound transmission property, namely the taber stiffness is not less than 5 mn·m, the bending resistance is not less than 100 mn, the porosity is not less than 50%, and the thickness is not more than 3 mm.. .
08/21/14
20140232801
Ink-jet recording apparatus
An ink-jet recording apparatus includes: a base member; a conveyor unit for conveying a sheet in a first direction; and a recording unit for ejecting ink when opposed to a sheet in a second direction. The base member includes: a first side base portion; a second side base portion; a center base portion located between the first side base portion and the second side base portion in a third direction; first and second side walls extending in the first direction and projecting in the second direction from opposite edge portions of the center base portion in the third direction; and a main board connecting the first side wall and the second side wall and configured to support the conveyor unit and the recording unit.
08/21/14
20140232798
Ink-jet recording apparatus
An ink-jet recording apparatus includes: a base member a conveyor unit supported by the base member, for conveying a sheet in a conveying direction parallel to a first direction; and a recording unit, supported by the base member for ejecting ink when the recording unit is opposed to the sheet in a second direction perpendicular to the first direction. The base member is divided into a first base portion that supports the conveyor unit and the recording unit, a second base portion contiguous to the first base portion and located downstream of the first base portion in the conveying direction, and a third base portion contiguous to the second base portion and located downstream of the second base portion in the conveying direction.
08/21/14
20140231599
Attachment collar for elongate elements
The present invention relates to an attachment collar for elongate elements, the collar comprising a belt portion suitable for being fastened on a support, the belt portion being open and defining an inside space suitable for receiving the elongate element. In order to close the belt portion and thus retain the elongate elements in the inside space, the collar firstly an array of gripping elements made of plastics material injected integrally with the belt portion and situated on its outside face, and secondly a tape secured to the belt portion via one of its ends, the inside face of the tape presenting retention means suitable for co-operating with the gripping elements of the belt portion in order to secure the tape and the belt portion together, the belt portion presenting stiffness that is greater than the stiffness of the tape..
08/21/14
20140230949
Coilable extendible member and methods
The invention provides an extendible member which is configurable between a coiled form and an extended form. The extendible member comprises: a primary member comprising a sheet of material resiliently biased in a slit tube form, wherein the slit tube can be opened out at the slit to assume an open form in which it has a flattened cross section; at least one resilient secondary member having first and second connections to the primary member at respective different circumferential positions on the primary member, wherein in the extended form, the primary member is in its slit tube form and the resiliency of the secondary member causes at least part of the secondary member to displace towards the slit in the primary member to provide torsional and axial stiffness to the primary member, and wherein in the coiled form, the primary member is in its open form and the secondary member conforms to the flattened cross section of the primary member so that primary and secondary member can be co-coiled.
08/21/14
20140230572
Active material actuation utilizing bi-stable mechanical overload protection
An actuation assembly adapted for driving a load, and protecting against overload conditions, includes an actuator defining a stroke, and an overload protection device including at least one elastic member having a nonlinear force-deflection characteristic defining a limit point and negative stiffness region, drivenly coupled to the actuator opposite the load, and operable to provide a secondary work output path when an overload condition exists.. .
08/14/14
20140228799
Relative stiffness fasteners
A fastening member has an inboard end and an outboard end and a panel region, an end region, and a fastening element. The panel region has a proximal edge and a distal edge.
08/14/14
20140228642
Shape-transferring cannula system and method of use
A selectively shapeable medical device comprises an elongate tube, an activation component operatively coupled to the elongate tube, and means for actuating the activation component. The activation component has a first state and a second state different from the first state.
08/14/14
20140224924
Systems and methods for controlling a magnitude of a sonic boom
A method of controlling a magnitude of a sonic boom caused by off-design-condition operation of a supersonic aircraft at supersonic speeds includes, but is not limited to the step of operating the supersonic aircraft at supersonic speeds and at an off-design-condition. The supersonic aircraft has a pair of swept wings having a plurality of composite plies oriented at an angle such that an axis of greatest stiffness is non-parallel with respect to a rear spar of each wing of the pair of swept wings.
08/14/14
20140224565
Hydraulic-power steering system with magnetic torque overlay
A hydraulic-power steering system is provided. A power-steering valve controls and varies a level of steering assist.
08/14/14
20140224393
Tire with tread pattern having pre-selected variations in lug stiffnesses to improve tire noise
A tire is provided having a tire noise pitch sequence based on preferred characteristics of the tire noise generated by tire tread lug stiffness variations. The tire has preferred modulation characteristics and good level characteristics.
08/14/14
20140224032
Method of arresting fatigue crack growth in metal member, and fatigue crack growth-arrested metal member
In a method of arresting fatigue crack growth in a metal member, a hole is formed beside a tip portion of a fatigue crack with respect to a crack extension direction, in a metal member body, in which the fatigue crack occurs due to an action of applied cyclic tensile stress. Then, a press-fit object being higher in stiffness than the metal member body and larger in external size than the hole is press-fitted into the hole.
08/14/14
20140223837
Porous cover mat especially suited for use with k-style gutters
A cover mat suitable for use in preventing debris from entering a rain gutter does not require support when positioned in the gutter other than by portions of the rain gutter engaging the cover mat. The cover mat is formed of a nonwoven polyester fiber material that is coated with a stiffening agent, such as a styrene monomer that will add stiffness without significantly affecting the flow of fluids through the porous or liquid permeable fiber mat..
08/14/14
20140223783
Sole for a shoe
Improved soles for shoes, in particular sports shoes, are described. A sole for a shoe, in particular a sports shoe, is provided that includes a midsole with randomly arranged particles of an expanded material.
08/14/14
20140223731
Method for assembling an electronic device
An electronic device is provided. The device may include a plate placed behind a screen formed from a window and a display module to provide the screen with additional stiffness (e.g., to resist dropping events).
08/07/14
20140222047
Tissue-removing catheter including urging mechanism
A tissue-removing catheter includes an elongate catheter body. The catheter body has a jogged portion that applies an urge force against a body lumen wall and urges a portion of the catheter body toward a portion of the body lumen wall.
08/07/14
20140221988
Methods and devices for diastolic assist
The devices and method described herein allow for therapeutic damage to increase volume in these hyperdynamic hearts to allow improved physiology and ventricular filling and to reduce diastolic filling pressure by making the ventricle less stiff. For example, improving a diastolic heart function in a heart by creating at least one incision in cardiac muscle forming an interior heart wall of the interior chamber where the at least one incision extends into one or more layers of the interior heart wall without puncturing through the interior heart wall and the incision is sufficient to reduce a stiffness of the interior chamber to increase volume of the chamber and reduce diastolic filing pressure..
08/07/14
20140221110
Composite tube for torque and/or load transmissions and related methods
A composite tube made from a combination fiber and epoxy is disclosed. The tube may be made by filament winding although other materials and processes are suitable.
08/07/14
20140219804
Hub for a wind turbine
The invention provides a hub for a wind turbine, the hub comprising a continuous shell being assembled from at least two shell parts. To improve stiffness of the hub, a plate element is attached within blade flanges of the assembled hub.
08/07/14
20140218920
Lighting device
According to one embodiment, a lighting device is provided which includes: a module; a first cover member; and a second cover member. The module has a light emitting body and a frame.
08/07/14
20140217929
Stiction resistant mems device and method of operation
A mems device (20) includes a movable element (20) suspended above a substrate (22) by a spring member (34) having a spring constant (104). A spring softening voltage (58) is applied to electrodes (24, 26) facing the movable element (20) during a powered mode (100) to decrease the stiffness of the spring member (34) and thereby increase the sensitivity of the movable element (32) to an input stimulus (46).
08/07/14
20140217716
Baffled fluid tank with stairway access
A tank for transporting fluids on a truck chassis includes a front wall, side walls, a back wall, a top, and a floor. Interior stairs extend from the floor to an opening in the top to allow stair access into the interior with integrated safety handrails on the fill port cover.
08/07/14
20140217682
Gasket
A gasket held between opposite flange joint surfaces with a bolt includes a combination of a complex material with a rubber material formed on one or both sides of a steel plate, the complex material having a convex or waveform bead, and a circular metal plate arranged at a bolt portion with a through-hole where a shank of the bolt penetrates and a bearing corresponding portion that corresponds to a bearing of the bolt around the through-hole. The gasket is configured to have the thickness (h3) of the bead provided to the complex material greater than the thickness (h2) of the circular metal plate that is equal to or greater than the thickness (h1) of the complex material.
08/07/14
20140216869
Magnetorheolocigal fluid-based mount apparatus including rate dip track passage
A magnetorheological fluid-based hydraulic mount apparatus (20, 220) for supporting a vibration source on a base is disclosed. A main fluid passage (104, 304) extends between pumping chamber (64, 264) and receiving chamber (66, 266) for passing the fluid therebetween.
08/07/14
20140216204
Composite dome connectors for flywheel rim to shaft attachment
A dome connector for a flywheel rim to shaft attachment is provided. The dome connector includes a helically wound composite band that extends from a first port to a second port.
08/07/14
20140215831
Nut opening device
A culinary nut opening device can include a mount and a tool. The mount can be sized and shaped to securely and removably receive a finger or a thumb of a human user.
08/07/14
20140215724
Segmented air foam mattress
An air foam mattress system includes a foam top component, and a foundation component including a plurality of segmented, individually wrapped, inflatable air cells allowing for a plurality of pivot points, a segmented perimeter, and individual pressure adjustment of the segments for maximum patient comfort in all articulated-bed positions. In an embodiment, the air cell contains a u-shaped insert providing segmented perimeter sections integral to the air cell.
07/31/14
20140213952
Magnetorheological medical brace
The magnetorheological (mar) medical brace includes a flexible outer shell that fits around the anatomical area to be braced and a plurality of adjustable straps for securing the shell onto the anatomical area. The shell encases a mar pack filled with magnetorheological fluid or gel.
07/31/14
20140213384
Golf club fabricated from bulk metallic glasses with high toughness and high stiffness
Golf clubs formed from bulk-solidifying amorphous metals (i.e., metallic glasses) having high elastic modulus and fracture toughness, and to methods of forming the same are provided. Among other components, the golf club materials disclosed enable fabrication of flexural membranes or shells used in golf club heads (drivers, fairways, hybrids, irons, wedges and putters) exhibiting enhanced flexural or bending compliance together with the ability to deform plastically and avoid brittle fracture or catastrophic failure when overloaded under bending loads.
07/31/14
20140211149
Contact lens having peripheral high modulus zones
Soft contact lens having regions of a material forming one or more higher modulus of elasticity zones in the peripheral region of the lenses add stiffness to the contact lenses. This increased stiffness in different zones or regions enable the contact lens to be more easily handled and make it less likely to fold in on itself..
07/31/14
20140208853
Ultrasonic device, ultrasonic probe, electronic equipment, and ultrasonic imaging apparatus
Provided is an ultrasonic device including: an ultrasonic element array substrate having a plurality of ultrasonic elements that each include a piezoelectric body; an acoustic lens secured via an acoustic matching layer to a surface, formed with the ultrasonic elements, of the ultrasonic element array substrate; and a support member secured to a surface, opposite to the surface formed with the ultrasonic elements, of the ultrasonic element array substrate, wherein the support member is formed to have a larger area, in plan view in the thickness direction of the ultrasonic element array substrate, and a higher bending stiffness than the ultrasonic element array substrate, and the acoustic lens is formed to have a lower bending stiffness than the ultrasonic element array substrate. The above-described ultrasonic device further includes an acoustic matching layer filled between the ultrasonic element array substrate and the acoustic lens..
07/24/14
20140206953
System and method for detecting tissue surface properties
A system and method for detecting a tissue property. The system comprises a first unit positioned outside a patient body and a second unit positioned inside the patient's body.
07/24/14
20140206808
Composite material comprising uhmwpe and iron ore tailing and use of iron ore tailing in preparation of composite material
The present invention relates to a composite material that comprises a polymeric constituent and iron ore powder. The polymeric constituent of the present invention is preferably uhmwpe.
07/24/14
20140202804
Brake shoe for a drum brake
The invention relates to a brake shoe for a drum brake and a drum brake that includes a supporting unit and a lining unit, wherein the supporting unit comprises a bearing portion for pivotable support and an actuation portion, and wherein the supporting unit has a bending stiffness, which has different values between the bearing portion and the actuation portion.. .
07/24/14
20140202353
Train suspension system
A suspension system for a train vehicle includes at least one inerter to minimize track wear. Track wear may be measured by direct measures such as wear work, or indirect measures such as yaw stiffness.
07/17/14
20140199017
Fiber optic cable with increased directional sensitivity
A distributed acoustic sensor, comprises a housing having a longitudinal bore therethrough, an optical fiber supported in the bore; and an inertial member supported within the bore, wherein the fiber is mechanically coupled to the inertial member. The inertial member may include a weight and may provides isotropic stiffness such that it deforms more readily in a first direction normal to the bore than it does in a second direction that is normal to both the bore and the first direction.
07/17/14
20140198107
Fast rig-based physics simulation
A method is disclosed for applying physics-based simulation to an animator provided rig. The disclosure presents equations of motions for simulations performed in the subspace of deformations defined by an animator's rig.
07/17/14
20140198106
Rig-based physics simulation
A method is disclosed for applying physics-based simulation to an animator provided rig. The disclosure presents equations of motions for simulations performed in the subspace of deformations defined by an animator's rig.
07/17/14
20140196997
Upright protector
A protector allows for the engagement and protection of a segment of an upright from an impact force by an external object and for absorbing and damping the resulting impact force. The protector comprises a protector body and a shim.
07/17/14
20140196995
Resetting semi-passive stiffness damper and methods of use thereof
A resetting semi-passive stiffness damper (rspsd) for use in damping movement. Embodiments of such a rspsd include, for example, a pistoned cylinder connected to a grooved rack, and a spring-loaded lever arranged between the rack and a slotted channel above the rack.
07/10/14
20140194277
Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst
An object of the present invention is to provide a polyethylene-based resin composition excellent in the moldability and at the same time, excellent in the balance between impact strength and stiffness as well as in the transparency, and a molded product and a film, which are obtained by the molding of the polyethylene-based resin composition. The polyethylene-based resin composition of the present invention comprises from 41 to 99 wt % of (a) an ethylene-based polymer satisfying specific conditions and from 1 to 59 wt % of (b) an ethylene-based polymer satisfying specific conditions, wherein mfr of the composition as a whole is from 0.05 to 50 g/10 min and the density is from 0.910 to 0.960 g/cm3..
07/10/14
20140194021
Process for producing polyester fiber
The polyester fiber prepared according to the present invention has low modulus, high strength, and high contraction. And, the polyester fiber of the present invention may significantly lower stiffness and achieve excellent mechanical properties, thus providing excellent packing property, shape stability and gas barrier effect when used as fabric for an airbag..
07/10/14
20140193190
Tolerance ring with edge bump difference
A novel tolerance ring includes a hollow cylindrical body defining a longitudinal axis that passes axially through its center. The hollow cylindrical body includes first and second longitudinal edges that define a circumferential gap.
07/10/14
20140192473
Variable stiffness chassis for ultrathin devices
An information handling system (ihs) chassis includes a chassis base. A center portion of the chassis base comprises at least ninety-five weight percent of a first metal element that is one of aluminum or magnesium.
07/10/14
20140191604
Mechanical backup bearing arrangement for a magnetic bearing system
The present disclosure describes a mechanical backup bearing system arrangement to work in conjunction with non-contact magnetic bearings and capable of coping with thermal expansions of the bearing components during operations. Expansions or contractions of an inner or outer race of a bearing can be compensated using particular springs providing a low profile and a proper stiffness.
07/10/14
20140190729
Flexible printed circuit
A flexible printed circuit includes a first insulating substrate layer and a first electrically conductive layer located adjacent to a first side of the insulating substrate layer. The first conductive layer has a first portion that is substantially solid and a second portion having a multiplicity of voids in the first conductive layer in a pattern for providing a lower stiffness in the second portion relative to the first portion, thereby providing more flexibility in the second portion relative to the first portion..
07/10/14
20140190677
Thermal straps for spacecraft
Negative-stiffness-producing mechanisms can be incorporated with structural devices that are used on spacecraft that provide thermal coupling between a vibrating source and a vibration-sensitive object. Negative-stiffness-producing mechanisms can be associated with a flexible conductive link (fcl) or “thermal strap” or “cold strap” to reduce the positive stiffness of the fcl.
07/10/14
20140190242
Method and apparatus for testing consistency of frozen beverages
A method and apparatus using sample test container filled with beverage, a penetrator holder, a penetrator and release means is disclosed. In the method a sample, is drawn into the test container and the penetrator dropped into the sample, and a reading of the stiffness of the sample is made based on the depth of penetration of the penetrator onto the sample..
07/03/14
20140188082
Composite wires for use in medical procedures and associated methods
A composite wire, such as a guide wire, may include a principal section with a relatively large outer diameter, as well as one or more reduced sections with smaller outer diameters. The relatively small outer diameter of each reduced section may be defined by an inner element of the composite wire, while the relatively large outer diameter of the principal section may be defined by one or more outer elements that reside on, and may surround, the inner element.
07/03/14
20140188063
Attachment for a conductorless wetness detector for an absorbent article
A wetness sensing system for use with an absorbent article includes a holding fixture adapted to be attached to the outer surface of the absorbent article by a consumer, the holding fixture including a first attachment arm having an article-facing side including a first attachment material affixed thereto, and a sensor band including a sensor and having an article-facing side including a second attachment material affixed thereto, wherein the second attachment material has an area and is in a proportion of the area to the weight of the system, and wherein the sensor band has a bending stiffness of less than 30 gf cm̂2/cm. The system also includes a signaling device coupled to the holding fixture and in electrical communication with the sensor, wherein the system is adapted to sense wetness within the article without the use of conductors within the absorbent article..
07/03/14
20140187689
Flame retardant thermoplastic resin composition and molded article including the same
A flame retardant thermoplastic resin composition and a molded article including the same are provided. The flame retardant thermoplastic resin composition includes: (a) a thermoplastic resin; (b) a flame retardant; and (c) a filler, wherein the (c) filler has an oil absorption rate of about 0.1 ml/100 g to about 10 ml/100 g as measured in accordance with astm d281.
07/03/14
20140187060
Substrate connection structure
A substrate connection structure includes: a first substrate having stiffness with a first connector mounted on a front face; a second substrate having stiffness with a second connector detachably attached to the first connector mounted on a front face facing the front face of the first substrate; and a restricting member including a projection portion, the restricting member including a plate-like member and being detachably attachable to the first substrate by being moved along a planar surface of the first substrate, the projection portion projecting from the front face of the first substrate and regulating a position of the second substrate relative to the first substrate in a state in which the restricting member is attached to the first substrate, and limiting a direction in which the second substrate is detached when the second connector mounted on the second substrate is detached from the first connector on the first substrate.. .
07/03/14
20140184024
Monolithic energy harvesting system, apparatus, and method
An energy harvesting device utilizing a monolithic, mesoscale, single-degree-of-freedom inertial based resonator in which the support structure, beam-spring, and proof mass are a single component without joints, bonds, or fasteners. Frequency tuning features include holes in the proof mass in which mass can be added to change the devices resonance frequency as well as levers which add curvature to the beam-spring system and adjust system stiffness.
07/03/14
20140183418
Carbon fiber reinforced polyoxymethylene for printer spindles
Polymer compositions containing a polyoxymethylene base polymer that is compounded with a conductive filler. The polymer composition is formulated so as to increase the electrically conductivity of the polymer composition and articles formed therefrom while at the same time having a high enough stiffness via the addition of a conductive filler.
07/03/14
20140182984
Shock absorber, front fork, and saddle-ride type vehicle
A shock absorber includes a first cylinder portion, a second cylinder portion, a first piston portion arranged in an internal space of the first cylinder portion, a second piston portion arranged in an internal space of the second cylinder portion, a first rod portion connected to the first piston portion, and a second rod portion provided between the first piston portion and the second piston portion. The second rod portion has a stiffness lower than the stiffness of the first rod portion.
06/26/14
20140180609
Method of establishing the deflection and/or the stiffness of a supporting structure
A method for establishing the deflection and/or the stiffness of a supporting structure which is subjected to a load. The method includes the steps of moving a measurement vehicle along the supporting structure, the vehicle having a loaded axle, a first measuring system being a first versine system and a second measuring system being one of an inertia based system and a second versine system.
06/26/14
20140180482
Control device for link mechanism
Provided is a control device for a link mechanism capable of preventing a damage of joint mechanisms even in the case of a collision of a movable part against an external object. The control device 30 includes: a characteristic determination unit 34 which determines desired stiffness k_cmd_i of an elastic element 5 of each joint mechanism ji so as to be within a range of first stiffness k1_i wherein the joint maximum elastic energy is equal to or more than joint collision kinetic energy to second stiffness k2_i wherein a first time is equal to or longer than a second time; and a characteristic control unit 35 which controls stiffness k_i of the elastic element 5 of each joint mechanism ji to be the desired stiffness k_cmd_i..
06/26/14
20140180410
Intraocular lens or lens system to provide monofocal vision at multiple pre-defined focal points
An accommodative intraocular lens is described that provides monofocal vision at multiple pre-defined focal points during accommodation. The intraocular lens includes a lens element having a series of stacked optics that can be formed utilizing multiple different materials, each of which can have a different stiffness.
06/26/14
20140180399
Mesh enclosed tissue constructs
Described is a heart valve leaflet manufactured from a mesh material. The mesh material may have an ability to capture circulatory/stationary/migratory cells of the body to become biologically active.
06/26/14
20140180058
Systems and methods for nonlinear elastography
Nonlinear elastography systems and methods are provided. The elastography system includes a data acquisition module, such as an imaging device, and associated system control circuitry.


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Stiffness topics: Brush Assembly, Electronic Device, Piezoelectric

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