Abstract: Shock mounts are described that provide improved shock and vibration isolation compared to existing shock mounts. The shock mounts utilize zero-overlap elastomeric mount technology designed to provide more effective shock and vibration isolation. The shock mounts described herein can be used to mount any objects in which it is desired to isolate the objects from shocks and vibrations including, but not limited to, equipment and large mass objects on military and commercial vessels.

Abstract: Various arrangements are disclosed based on springs formed from a plurality of individual resilient arms, including a spring having a substantially planar form in an unloaded state and rotational symmetry of at least order two about a symmetry axis perpendicular to the plane of the spring, said spring comprising: an inner hub and an outer hub, said inner hub being radially inward with respect to said outer hub; a plurality of resilient connecting arms each connected at an inner end to said inner hub and at an outer end to said outer hub, said plurality of resilient connecting arms being configured to provide a restoring force parallel to said symmetry axis when said inner and outer hubs are displaced relative to each other along said symmetry axis; wherein said inner hub, said outer hub and each of said plurality of resilient connecting arms are formed as physically separate elements and are connected to each other during assembly to form said spring.

Abstract: Disclosed is an elastic device which is suitable for a sliding opening/closing apparatus of a portable appliance. The elastic device includes a first torsion spring including a first spiral part which is wound as a spiral shape without a vertical overlapping portion and a first extension arm extending from an outer portion of the first spiral part; a second torsion spring including a second spiral part which is wound as a spiral shape without a vertical overlapping portion thereof and a second extension arm extending from an outer portion of the second spiral part. The elastic device also includes a connection member connecting one of both ends of the first torsion spring and one of both ends of the second torsion spring with each other. The elastic device may have a smaller thickness in comparison with that of a conventional torsion spring having a vertical overlapping portion thereof.

Abstract: The present invention are directed towards a system and method for providing a way of reducing the vibrations and wear between mating components of a gas turbine combustor. The gas turbine combustor includes a flow sleeve having a plurality of liner stops and a combustion liner located radially within the flow sleeve. Spring dampers are positioned between the combustion liner and the flow sleeve to restrict the relative movement between the flow sleeve and the combustion liner and dampen vibrations at their assembly location. The spring dampers are capable of compressing to permit thermal growth between the combustion liner and flow sleeve.

Abstract: Check valve includes a housing, a bore, and a movable valve body, which is spring-loaded and rests with a sealing action on a valve seat, where the bore is designed as a stepped bore, where the bore with the smaller diameter has the valve seat, and where the bore with the larger diameter holds the movable valve element. The valve body is designed as a ball, which is guided in the bore by at least two guide ribs, and a retaining element in the terminal area of the bore captures the ball and simultaneously spring-loads it.

Abstract: A fuel injector includes a fuel injector body defining a fuel inlet and at least one fuel outlet, a valve having a first valve state and a second valve state and an actuator for the valve. The fuel injector includes a biasing spring including a cylindrical rolled sheet having a first spring end, a second spring end and defining a longitudinal center axis. The cylindrical rolled sheet is configured to change in length to bias the actuator toward the first actuator position and includes a helical seam located between the first spring end and a second spring end which has a shape adapted to reduce non-uniformity in a spring constant via distributing stiffness about the longitudinal center axis.

Abstract: A spring system comprising flat plate-springs with one end mounted rigidly to an un-spring first base and the opposite end mounted rigidly to a sprung second base. The spring system is fitted with cams as strain-control surfaces, mounted tangent to the plate springs and spaced progressively from the said plate-springs beginning at the tangency. The strain-control cams are movable to provide for adjustable spring rates, actively repositioned upon demand therein providing an adaptive active spring-rate system or suspension.

Abstract: A fitting for a cable trough system, the fitting including a bottom wall and side walls extending from at least a first terminal end to a second terminal end and forming a trough therebetween, the side walls being curved in a longitudinal direction, and an end portion formed at each of the first and second terminal ends, the end portion including first and second guiding surfaces defining a space therebetween, and a spring member positioned in the space. The space is sized to receive a terminal end of a trough member of the cable trough system, and wherein the spring member is positioned to engage the terminal end of the trough member to couple the trough member to the fitting. Other cable routing devices can also be used.

Abstract: The present invention relates to a fuel rod of a nuclear fuel assembly having a vase-like compression spring adapted to increase the internal volume thereof wherein when the vase-like compression spring is inserted into a cladding tube, it has a relatively smaller volume occupied inside the fuel rod when compared with the existing coil type compression spring, such that the vase-like compression spring can ensure a sufficient space portion receiving the fission gases generated during the operation of the fuel rod, thereby increasing the burn-up performance of the fuel rod and the mechanical integrity thereof.

Abstract: There is provided a pressure-responsive device (40) suitable for use in an inhaler, the pressure-responsive device (40) comprising a closed frame (42) over which is fixed a membrane (44), a tongue (46) being supported on the membrane (44). Two upstanding wings (50) are integrally moulded with the tongue (46) and incorporate square apertures (52). A method of manufacturing the pressure-responsive device (40) is also provided.

Abstract: A cable transportation system (1) having a pull cable (2) defined by a number of strands (7) and drawn along a path (P); at least one transportation unit (3) movable along the path (P) and connected to the pull cable (2) by a coupling device (4); a metal structure (5) located along the path (P) to support and guide the transportation unit (3); and at least one guide roller (6) for guiding the pull cable (2) and supported by the metal structure (5) by means of leaf springs (26, 27, 40) which damp vibration caused by the strands (7) of the pull cable (2) contacting the guide roller (6).

Abstract: A clip used to attach vertical and horizontal members of a fencing assembly is provided. The clip includes three resilient legs and enables fencing assemblies to be constructed on site without the use of screws or welding. Configurations for vertical and horizontal members of a fencing assembly that can be used in conjunction with the clip. Methods of assembly are provided as well.

Abstract: A spring assembly for a retractable turbine rotor seal supported in an arcuate segment may include in one embodiment a first radially inner restraining plate having a lower surface adapted to engage a surface of a turbine stator, and a flat upper surface provide with an upstanding hub; a second radially outer restraining plate having a flat lower surface and an upper surface adapted to engage a surface of the arcuate segment, the radially outer restraining plate formed with an opening receiving the upstanding hub; and at least one spring telescoped over the upstanding hub and exerting a radially outward biasing force on the second radially outer restraining plate, and adapted to exert a radially outward retracting force on the arcuate segment.

Abstract: A spring system comprising flat plate-springs with one end mounted rigidly to an un-sprung first base and the opposite end mounted rigidly to a sprung second base. The spring system is fitted with cams as strain-control surfaces, mounted tangent to the plate springs and spaced progressively from the said plate-springs beginning at the tangency. The strain-control cams are movable to provide for adjustable spring rates, actively repositioned upon demand therein providing an adaptive active spring-rate system or suspension.

Abstract: A pad spring located at the entrance side in the rotational direction of a disk is provided with guide plate portions, radially urging portions that urge a pair of friction pads radially outward of the disk, and circumferentially urging portions that urge the friction pads in the rotational direction of the disk. Each radially urging portion has a projection bent radially inward of the disk. Each guide plate portion has a space portion that allows the projection to abut against the radially inner wall surface of the associated pad guide when the radially urging portion is displaced radially inward of the disk so as to approach the guide plate portion. The circumferentially urging portions are wide plate-shaped members bent from the guide plate portions.

Abstract: An automobile vibration damping device for an automobile in which a power plant in which an engine, a transmission and the like are combined is supported by a vehicle body, including a vibrating means that generates vibration separate from vibration of the engine. Thereby, it is possible to reduce the vibration amplitude of a seat portion by the reaction force of the vibrating means. Also, if the vibration mode of the vehicle body is adjusted so as to become a node in the vicinity of the seat portion, the vibration amplitude decreases in the vicinity of the seat portion, and improves riding comfort.

Abstract: A micromachined actuator including a body or platform mounted to a suspension system anchored to a substrate. In one embodiment, the suspension system is comprised of a set of one or more spring flexures connecting the actuator body to the substrate with strain relief provided via connecting torsional elements. In another embodiment, the suspension system includes a first set of one or more spring flexures each with one end anchored to a largely rigid intermediate frame and the other end attached to the body. A second set of one or more flexures is attached between the intermediate frame and the substrate. A third actuator embodiment maximizes force electrode area to minimize voltage required for electrostatic actuation. A fourth embodiment provides electrical interconnect to an actuator or an actuator array using polysilicon with silicon nitride isolation.

Abstract: A flexure includes a shaped sheet of material having a middle portion coupled to a magnet, an end portion, and a corner portion between the end portion and the middle portion, the corner portion including a curve with a concave curvature relative to a point of view outside the corner portion. The flexure may be used in a linear motor.

Abstract: Embodiments of a multi-stage spring system are provided herein. In some embodiments, a multi-stage spring system includes a spring assembly having at least one resilient element, wherein the spring assembly has a first spring constant when deflected up to a first distance, a greater, second spring constant when deflected beyond the first distance and up to a second distance, and a greater, third spring constant when deflected beyond the second distance and up to a third distance, and wherein the spring assembly stores mechanical energy when deflected towards a contact surface that biases the spring assembly away from the contact surface when released.

Abstract: A device (96) includes a microelectromechanical (MEMS) sensor (40). The sensor (40) includes a movable element (42) adapted for motion in a direction (44) and an anchor (46) coupled to a substrate (48). The MEMS sensor (40) further includes spring members (50) interconnected between the movable element (42) and the anchor (46). Each of the spring members (50) includes beams (56, 58, 60) arranged in substantially parallel alignment, with the beam (60) positioned between the other beams (56, 58). Each of the beams (56, 58) is coupled to the anchor (46) and the beam (60) is coupled to the movable element (42). Each of the spring members (50) further includes a support structure (64) joined with the beams (56, 58) to provide vertical stiffness to the beams (56, 58) of the spring member (50).

Abstract: A vehicle seat is provided with at least one support comprising at least one deformable element. The support is provided with a number of deformable elements arranged adjacent to each other, which elements each comprise a wall portion and at least two deformable ribs extending at an angle from the wall portion. Ends of the ribs remote from wall portions are connected by strips that extend parallel to the wall portions.

Abstract: A flexure includes a shaped sheet of material having a middle portion coupled to a magnet, an end portion, and a corner portion between the end portion and the middle portion, the corner portion including a curve with a concave curvature relative to a point of view outside the corner portion. The flexure may be used in a linear motor.

Abstract: The invention provides a transition board apparatus for a passenger bridge and a spring leaf thereof. A transition board apparatus includes a transition board and a spring leaf, wherein the transition board comprises a hinged end, a free end and the transition portion between them. The hinged end hinges on the end of the first tunnel bottom plate. The spring leaf is provided with the holding portion, which is secured on the sidewall of the first tunnel, and the bearing portion, which is used to raise the transition board up. Thus, there is a clearance between the free end and the bottom plate ornament laid on the second tunnel bottom plate. Therefore, when the second tunnel is moving back and forth relative to the first tunnel, the friction between the transition board and the bottom ornament can be avoided in order to protect the bottom plate ornament.

Abstract: A compact shock absorption, vibration, isolation, and/or suspension device is provided having long life and increased performance in a compact design. The device of the present disclosure is both less expensive and simpler to manufacture. In addition to being able to be used as a shock absorber in the hub of a wheel of an in-line skate, scooter or other small wheeled vehicle, the device of the present disclosure may be used in locations outside a wheel hub as well as in non-wheel devices where there is a need to isolate, damp, and absorb shock and/or vibrations experienced by a component of the device in order to minimize their effect on the entirety of the device.

Abstract: An axle/suspension system for a wheeled vehicle, in which the vehicle has a frame, includes an integral arm structure that includes an attachment member for connecting the integral arm structure to the vehicle frame. A flexible transition member is connected to and extends from the attachment member and a body is connected to and extends from the transition member The flexible transition member may be generally curved or angular and enables pivotal movement of the integral arm structure and cooperates with the body to distribute forces encountered by the axle/suspension system The body may be a truss structure or a solid body, which may include a member that replaces a conventional axle tube. Optionally, two axle/suspension integral arm structures may be used to capture a conventional axle tube.

Abstract: The present invention relates to the design and fabrication of flexures used to guide motion in mechanical systems. A high specific stiffness flexure includes two narrow and thin flexing sections separated by a longer stiffened section. The present invention provides designs and processes for making flexures and flexure systems with monolithic high specific stiffness frame or box structures for the stiffened sections that creates relatively higher self-resonant frequencies.

Abstract: The invention relates to a plate spring that is prevented from being axially displaced on a surface of a receiving body, the surface being circular cylindrical at least in areas. The aim of the invention is to provide a plate spring of the aforementioned type that is able to maintain a securing against axial displacement with the least amount of effort. This is achieved by virtue of the fact that the edge of the plate spring radially facing the receiving body engages inside a peripheral groove provided in the receiving body.

Abstract: A tape-spring shaped, articulating member used in deployable structures having a resilient, compliant hinge region and rigid non-hinge regions, thereby enabling a smaller fold radius and greater packaging efficiency. The increased compliance in the hinge region may be obtained by using a more compliant material in the hinge region or reducing the cross-sectional area in the hinge region. The hinge region may be reinforced with integrated shape memory alloy features serving as folding mandrels, to enhance structural stiffness and strength performance of the hinge, and to exhibit authority over the rate and sequencing of strain release when deployed.

Abstract: In a bearing support (10) for a laser resonator, adjacent support sections (11a, 11b) are directly and undetachably connected to each other by an articulated deflectable joint (12). An additional vertical safety on the bearing support is no longer necessary since the two support sections (11a, 11b) are already held together in a vertically secure manner by the articulated joint (12).

Abstract: A compliant mechanism is provided for accurate and precision alignment of mechanical component parts, surfaces or assemblies and the like, where low-cost, accurate, and repeatable alignment are desired. The compliant mechanism may be used in applications that require high precision alignment and where the relative location of coupled components must be variable or adjustable. The compliant mechanism includes a stage coupled to a plurality of hinges, at least one tab coupled to one of the hinges, and a support coupled to the tab. The relative position of the stage and the support may be adjusted by actuating (i.e., displacing) the tab(s) or other parts of the structure, to enable controlled movement in six degrees of freedom therebetween.

Abstract: A brake includes a braking portion for braking a rotatable element, a swinging portion secured with the braking portion, a resilient portion integrally formed with the swinging portion for generating a restoring force to make the braking portion contact the rotatable element, and a forced portion for being operated to counteract the restoring force and rotate the braking portion via the swinging portion. When the forced portion is acted, the resilient portion is compressed and the braking portion is driven to separate from the rotatable element, and when the forced portion is free, the resilient portion restores to drive the braking portion to contact with the rotatable element.

Abstract: A bearing assembly including a bearing having an outer bearing ring and an inner bearing ring. The outer bearing ring is axially received in a bearing-receiving recess that includes a substantially cylindrical inner wall. An element that is radially flexible is located between at least one of the outer bearing ring and the inner wall of the recess, and the inner bearing ring and a rotatable member that is rotatably carried in the bearing assembly. The flexible element includes at least one annular element that is undulated in the radial direction, or is provided with projections. Flexible elements can also be disposed against a side surface of the bearing ring for damping axial vibrations.

Abstract: A damping arrangement is proposed with at least two holding devices (10, 11) that are connected to one another via at least one damping element (12) in the form of a plane element made of a wire mesh or wire fabric, said holding devices (10, 11) being secured to at least two different regions of the damping element (12), and said damping element (12) having at least two curvatures in opposite directions between the holding devices (10, 11). A damping arrangement of this type may be produced cost-effectively in an automated process in such a way that the damping element is constructed to have substantially the same elastic stiffnesses in three mutuallyorthogonal directions.

Abstract: Suspension system comprising a flat spring member having four legs. The legs are symmetrically arranged with respect to the center position of the spring member and each of the legs has a longitudinal axis and an end portion. A suspension frame is provided to support the spring member (by fixing the end portion of two legs. Two preload elements are arranged close to the end portions of two of the legs in a manner to apply a preloading force at those legs. The preloading force essentially points in the direction of the longitudinal axis.

Abstract: A collar member including a main body part having a bolt hole for inserting a bolt and a flange part projecting horizontally to outside from the upper end of the main body part, a fitting member being a member for fitting with a vibration and heat insulating board main body part, having an inside diameter larger than the outside diameter of the collar member by specified dimension, and disposed at the outside of the collar member, and a spring member disposed in a specified dimension between the collar member and fitting member for coupling the collar member and fitting member at least on three positions. As a result, mounting on the vibration source is stable, the heat insulation effect and vibration control effect are high, and the cost is reduced.

Abstract: A pressing device for pressing lithium batteries with different thickness is installed on an electronic device to pressing a first lithium battery and a second lithium battery with different thickness using a first pressing part and a second pressing part with different curvatures. The first lithium battery and the second lithium battery are thus fixed in their positions without using additional tools.

Abstract: A dual spring includes a pair of conically-shaped spring sections, which are joined at a common fulcrum. One of the spring sections is disposed radially inward from the fulcrum and the other of the spring sections is disposed radially outward from the fulcrum. Both of the conical sections open axially in the same direction relative to the fulcrum section.

Abstract: A compliant mechanism is provided for accurate and precision alignment of mechanical component parts, surfaces or assemblies and the like, where low-cost, accurate, and repeatable alignment are desired. The compliant mechanism may be used in applications that require high precision alignment and where the relative location of coupled components must be variable or adjustable. The compliant mechanism includes a stage coupled to a plurality of hinges, at least one tab coupled to one of the hinges, and a support coupled to the tab. The relative position of the stage and the support may be adjusted by actuating (i.e., displacing) the tab(s) or other parts of the structure, to enable controlled movement in six degrees of freedom therebetween.

Abstract: A holder for a cathode ray tube includes a stud engaging portion having an engaging hole in order to be engaged to a stud pin mounted inside a panel, a frame engaging portion engaged to a mask frame which supports a shadow mask, and a connecting portion for connecting the stud engaging portion and the frame engaging portion. Lower end surfaces of a pair of holders are arranged facing toward each other so that the lower end surfaces of the connecting portion are in substantial contact with each other.

Abstract: A device for suspension of a sample body which rotates in space about a rotation axis which is in a fixed position or is related to a fixed position, as a function of the intensity of a measurement effect. In order to ensure that a sample mass is mounted in the device securely and such that it can rotate very largely without any lateral movement, the suspension, which has at least two springs, for the sample body is designed to be planar in a rest position.

Abstract: The invention provides an individual suspension device for a bed or seat base of the multi-element type, the device being for interposing between a platform determining a support surface and a padding element such as a mattress, and comprising a foot for fixing to an element of the platform, a suspension structure fixed to the foot, and a top plate carried by the suspension structure and serving as a support for the padding element, said suspension structure being circularly symmetrical about a vertical axis, wherein the suspension structure is a single hollow piece and is made of a flexible synthetic material or a vulcanized rubber having hardness lying in the range 40 on the Shore A scale to 70 on the Shore D scale.

Abstract: An ortho-planar spring has a platform movably coupled to a base and being movable linearly with respect to the base along at least a portion of an axial direction perpendicular to both a base surface and a platform surface. A resilient and flexible connecting structure is connected to and between the base and platform. The connecting structure is bendable to develop (i) an axial force along the axial direction to bias the platform in a stable position with respect to the base, and (ii) non-axial forces which substantially sum to zero to preserve the orientation of the platform with respect to the base. Thus, the spring is very compact and does not have rotation between the deflecting ends. The spring may be associated with a valve opening, and a button for restricting flow through the valve opening, to bias the button at a position with respect to the valve opening.

Abstract: The damper system includes a ceramic composite shroud in part defining the hot gas path of a turbine and a spring-biased piston and damper block which bears against the backside surface of the shroud to tune the vibratory response of the shroud relative to pressure pulses of the hot gas path in a manner to avoid near or resonant frequency response. The damper block has projections specifically located to bear against the shroud to dampen the frequency response of the shroud and provide a thermal insulating layer between the shroud and the damper block.

Abstract: A packing spring for a steam turbine comprising a flat, elongated spring body of specified length, width and thickness dimensions; a flange at one end of the main spring body; and at least one bend in the main spring body, located substantially midway along the length dimension of the spring body.

Abstract: A structure for mounting a heavy article 27 to a carrier body 31 via an intermediate member 20, capable of temporarily fixing the heavy article during the mounting operation, wherein the intermediate member 20 is provided in a lower part thereof with a lower attachment portion 21 having holes 26 for fixing the heavy article 27 and in an upper part thereof with upper attachment portions 23 having engagement portions 25 for being temporarily fixed to the carrier body 31 and fixation portions 24 for being firmly fixed to the carrier body 31. To fix the intermediate member 20 to the heavy article 27, the lower attachment portion 21 of the former is sandwiched between a pair of elastic members 28 made of soft material, and fastened to the heavy article 27 by fastening members 30 through the holes 26, for allowing a slight vibration of the heavy article 27.

Abstract: A bulk modulus elastomeric element is employed in the present invention. The material from which the invention is fabricated is formed as a sheet, which has a plurality of channels that run through, or partially through it. The holes in the sheet are angled such that the remaining material may be of a parallelogram shape. The top and bottom surfaces of the particular element may be rectangular, circular, hexagonal, or other shapes, since the shape of the end surface is not important to the invention. An edge of an upper end surface is displaced from a remote edge of the lower surface so that a vertical line from one edge normal to the upper surface, is displaced from the remote edge of the lower surface, so that it preferably does not intersect any part of the lower surface when no forces are applied to the surfaces. However, in some instances, under load, a small overlap at the cross-sectional areas of the upper surface and lower surfaces, may be desirable.

Abstract: A spring with constant cross-sectional area for torsion and/or flexional strain is provided which includes a plurality of individual rods with a round or polygonal cross-section substantially identical to one another and unchanging over their length. In each case, the rods have line or surface contact with other rods and form a bundle held together at least at the ends of the rods. The rods can be round, hexagonal or isosceles triangular in cross-section, and the number of rods is 3n or 3n+1, whereby n is a natural number greater than or equal to 3. Alternatively, the rods can be octagonal or square in cross-section and the number of rods is 4n or 4n+1, whereby n is a natural number greater than or equal to 2.

Abstract: A stack of sheet elastomers, each having multiple holes therein, dissipates shock forces applied to it. The elastomeric sheets are formed with identical holes each of which have a periphery that is symmetrical around the centers of the holes that extend over a shock dissipation area of the device. The sheets are stacked so that one, or more continuous material passageways are formed through the stack that extend from one support surface to a parallel support surface. This allows for the elastomer material of these passageways to transmit sheer shock forces when a compressive force is applied normal to the support surfaces. Elastomeric, or other material of a composition different, preferably elastomeric, from the material of the stacked sheets, may be filled into holes of the sheets to adjust the characteristics of the device.

Abstract: Suspension system comprising a flat spring member having four legs. The legs are symmetrically arranged with respect to the center position of the spring member and each of the legs has a longitudinal axis and an end portion. A suspension frame is provided to support the spring member (by fixing the end portion of two legs. Two preload elements are arranged close to the end portions of two of the legs in a manner to apply a preloading force at those legs. The preloading force essentially points in the direction of the longitudinal axis.

Abstract: According to the present invention, a cushion-action applying implement comprising a gutter-like receiver, a plate spring in which a flexing portion is inserted into the gutter-like portion, the flexing portion is provided in its both sides with embedded portions in series, and an angle formed by the embedded portions is V or nearly horizontal, a switching shaft provided with a cam for pushing the flexing portion of the plate spring to change the angle formed by the embedded portions and in which an engaging portion for rotation is provided on the end thereof, a bearing of the switching shaft fixedly mounted on both ends of the gutter-like receiver, and a drive means for rotating the switching shaft is embedded in the flexing portion of the footwear bottom body, whereby the switching shaft is rotated to simply switch to the state of presence or the state of absence of cushioning.