Abstract: The application provides a compact precision angular-displacement-limiting impact-resistant vibration-isolating buffering platform for compact optoelectronic equipment. The platform comprises an optoelectronic equipment mounting plate and a bottom mounting plate, the optoelectronic equipment mounting plate and the bottom mounting plate are coupled via an angular-displacement-limiting assembly and a vibration-isolating buffering assembly, the vibration-isolating buffering assembly comprises a horizontal axial vibration-isolating buffering device and a vertical axial vibration-isolating buffering device, the vertical axial vibration-isolating buffering device has a vertical elastic supporting center O which is coincided with a mass center C, and the horizontal axial vibration-isolating buffering device has an elastic supporting plane which approaches to be coincided with a horizontal plane of the mass center.

Abstract: The present disclosure relates to an adjustable mount apparatus. The apparatus may have a material support having a plurality of support legs, with each one of the support legs having a distal portion. A base assembly is used which has a plurality of laterally extending leg portions. A plurality of adjustably positionable capture subassemblies are slidably disposed within the laterally extending leg portions for releasably coupling to the distal portions of the support legs to hold the material support in a stable manner on the base assembly. A plurality of moveable elements, each being independently associated with one of the capture subassemblies, enable highly controlled linear movement of the capture subassemblies. Each capture subassembly engages with the distal portion of one of the support legs to exert a clamping force thereon, to affix the material support securely to the base assembly.

Abstract: A reciprocating tool includes a motor, a driving mechanism, a body housing, a movable part, and a vibration control mechanism. The driving mechanism includes a reciprocating member configured to reciprocate in a first direction. The movable part is connected to the body housing via a first elastic member and a second elastic member to be relatively movable in the first direction. The vibration control mechanism includes at least one weight configured to move in a direction opposite to the reciprocating member. The center of gravity of the at least one weight is offset from the driving axis in a second direction. In the second direction, the first elastic member is closer to the center of gravity than the second elastic member. A load of the first elastic member when the movable part is placed in a closer position is smaller than a load of the second elastic member.

Abstract: A vibration isolator, system, and method for minimizing propagation of vibrations between structures are configured to decouple axial and lateral structural modes. The vibration isolator includes an axial flexural support that provides axial compliance relative to a central axis and a lateral elastomeric support that provides lateral compliance relative to the central axis. The axial flexural support and the lateral elastomeric support provide stiffness about the central axis. The vibration isolator includes a first mount coupled to a first external structure and a second mount coupled to a second external structure. The axial flexural support is coupled to the first mount and the lateral elastomeric support is coupled to the second mount and the axial flexural support. Using an axial flexural support and a lateral elastomeric support enables tuning of the structural modes in one axis while minimizing the effects to the structural modes in the orthogonal axes.

Abstract: A passive oscillation damper (8), in particular for a switch cabinet (2), includes a supporting structure (12) having a longitudinal direction (y) and a transverse direction (x) and with a central oscillating mass (14) mounted by means of spring elements (20, 22, 24, 26) so as to be able to oscillate in the longitudinal direction (y) and in the transverse direction (x). At least one peripheral oscillating mass (40, 42) is mounted on the central oscillating mass (14) so as to be slidable in the longitudinal direction (y) and to be movable relative to the central oscillating mass (14). At least one peripheral oscillating mass (44, 46) is mounted on the central oscillating mass (14) so as to be slidable in the transverse direction (x) and to be movable relative to central oscillating mass (14).

Abstract: A coupling element for a positioning device, which includes a first and second linear guides for guiding first and second carriages respectively along first and second linear directions, is configured to create a coupling between the first carriage and the second linear guide. The coupling element includes a central part and a surrounding part spaced at a distance therefrom. The surrounding part has a central portion surrounding the central part, and has two end portions adjoining the central portion in the first linear direction. Connecting flat springs are disposed to create the distance and connect together the central part and the central portion of the surrounding part. The connecting flat springs lie in planes which intersect at a center of the central part. A vertical flat spring is disposed parallel to the first linear direction at each of the two end portions of the surrounding part.

Abstract: An isolation system and method are disclosed. The isolation system includes a beam that includes a first end and a second end. The isolation system may include at least one clamping block comprising first elastomeric material, and the first end may be coupled with the first elastomeric material by the at least one clamping block. An end condition of the buckling beam may be varied based on compression stiffening of the first elastomeric material.

Abstract: A debonding leveling device and a debonding method are for leveling during a process for debonding a first object and a second object. The first and second objects are retained by a first fixation plate (11) and a second fixation plate (21), respectively. The device includes: a mounting plate (30), disposed at an outer side of one of the first (11) and second (21) fixation plates; a connecting rod assembly (40) fixed around a center position of the mounting plate (30), the connecting rod assembly (40) connected to the one of the first (11) and second (21) fixation plates sequentially via a sliding pair (50) and a spherical pair (60) connected to the sliding pair (50); and at least three elastic assemblies (70) disposed between the mounting plate and the one of the first and second fixation plates, each of the elastic assemblies coupled to the mounting plate (30) and the one of the first (11) and second (21) fixation plates.

Abstract: The invention relates to support structure, comprising: a first body; a second body; a first support having a first stiffness; a second support having a second stiffness, wherein the second body supports the first body at a first location via the first support, wherein the second body supports the first body at a second location via the second support; a position measurement system arranged to generate a deformation signal representative of a difference of deformation of the first body and the second body relative to each other; a first actuator to apply a force between the first body and the second body at or near the first location; a second actuator to apply a force between the first body and the second and body at or near the second location; wherein the support structure comprises a controller arranged to determine a deformation compensation signal on the basis of the first stiffness, the second stiffness and the deformation signal and to drive at least one of the first actuator and the second actuator o

Abstract: The invention provides a vibration isolation device configured to support a structure, comprising: an air mount having a base part mounted on a reference structure and a vibration isolated part, and an inverted pendulum device, wherein a lower end of the inverted pendulum device is mounted on the vibration isolated part of the air mount and an upper end of the inverted pendulum device support the structure to be supported, wherein the vibration isolation device comprises a stiffness adjustment device configured to adjust the stiffness of the inverted pendulum device.

Abstract: Suspension system structures and methods are provided. A system as disclosed allows for rotation of a supported object in two axes, with very little translational movement of the supported object. The system can include a base mounting structure that is joined to an intermediate or connecting structure by a first set of flexure blades. The connecting structure is in turn joined to a supported element structure by a second set of flexure blades. The first set of flexure blades can include four blades that intersect along a line that is coincident with an X axis of rotation, and the second set of flexure blades can include four blades that intersect along a line that is coincident with the Y axis of rotation. The components of the suspension system can comprise a monolithic structure that is formed from a single piece of material.

Abstract: The vibration-suppressing mechanism includes: a first arcuate member that has an inner wall surface shaped along an outer wall of a column of a charged particle beam device; a second arcuate member that has an inner wall surface shaped along an outer wall of a column of the charged particle beam device and is connected to the first arcuate member to form an annular member surrounding the outer wall of the column of the charged particle beam device; a fastening member fastening both the first arcuate member and the second arcuate member together; a vibration sensor attached to the arcuate member; and an actuator that operates in response to an output of the vibration sensor, and can be detached by releasing connection obtained by a connecting member.

Abstract: A domestic appliance, such as a steam iron or a coffee making apparatus comprises a housing, a water reservoir, an actuator, and a boiler for providing hot water or steam for use by the appliance. In operation, a plunger pump of the actuator is reciprocating at the mains frequency, which introduces vibrations. To reduce undesired sound and noise from the vibrations, the domestic appliance further comprises a sub frame and a base frame, wherein the actuator is mounted on the sub frame and a resilient member is arranged between the sub frame and the base frame for moveably mounting the sub frame at the base frame.

Abstract: A domestic appliance, such as a steam iron or a coffee making apparatus. The appliance comprises a housing, a water reservoir, an actuator, and a boiler for providing hot water or steam for an appliance. An input of the actuator is connected to the water reservoir, an output of the actuator is connected to an inlet of the boiler. In operation, the actuator introduces vibrations which are transmitted to the housing and radiated by the housing to the environment which cause unwanted sounds and noise. The unwanted sounds and noise induced by these vibrations is substantially reduced via two leaf springs mounted at opposite sides of the actuator which reduce the transmission of the vibrating energy by moving the actuator in a direction opposite to a direction of the movement of the drive member.

Abstract: A mounting assembly (200) includes first and second mounting components (108, 112) that are displaceable relative to one another. At least one positive-stiffness biasing element (236) exhibiting a positive-stiffness spring rate is operatively disposed between the first and second mounting components. At least one negative-stiffness biasing (288, 290) element exhibiting a negative-stiffness spring rate is disposed between the first and second mounting components in parallel with the at least one positive-stiffness biasing element. A combined spring rate of the at least one positive-stiffness biasing element and the at least one negative-stiffness biasing element is less than the positive-stiffness spring rate of the at least one positive-stiffness biasing element alone. The mounting assembly can exhibit a natural frequency that is less than a natural frequency of a mounting assembly having the at least one positive-stiffness biasing element without the at least one negative-stiffness biasing element.

Abstract: A seismic axial dampener device is constructed of a multitude of composite or metallic conical compression discs and an exo-structure capable of dampening both tension and compression cycles of a building structure due to a seismic, explosion, or wind event. The dampener reacts and dampens the loading in both tension and compression along the axis of the cross brace in linear-elastic bending, creating internal hoop stress, and not through shear of the dampener device.

Abstract: A seismic axial dampener device is constructed of a multitude of composite or metallic conical compression discs and an exo-structure capable of dampening both tension and compression cycles of a building structure due to a seismic, explosion, or wind event. The dampener reacts and dampens the loading in both tension and compression along the axis of the cross brace in linear-elastic bending, creating internal hoop stress, and not through shear of the dampener device.

Abstract: A photovoltaic (PV) module mounting system including a mounting puck, an arm portion, and a PV module coupling device for coupling to the frames of two photovoltaic modules attached to the arm portion. A clamp pin formed in the mounting puck restrains the arm portion against the mounting puck when a spring holding the clamp pin is released from a compressed position.

Abstract: A holder for fastening at least one component, particularly a fuel distributor, to an internal combustion engine. The holder includes an elastically deformable damping element, a holder body and a spring element, which are situated lying one behind the other with reference to an axis. In response to an assembly using the fastening arrangement, a prestressing of the spring element and a prestressing of the damping element are made possible. Furthermore, a fuel injection system is described having a fuel distributor and such a holder, which is used for fastening the fuel distributor on an internal combustion engine.

Abstract: A device is disclosed for mechanical vibration decoupling having two bearing ends to which bodies for reciprocally decoupling vibrations are joined which are interconnected by couplings having a variably adjustable stiffness. The couplings comprise at least three spring beam elements each having a spring beam surface from which a normal vector extends and which are each dimensionally stable in a longitudinal direction and are elastical orthogonal to the spring beam surface. The at least three spring beam elements are disposed spatially relative to each other so that normal vectors thereof are each orientated at an angle ? relative to each other with ?=90°±30°.

Abstract: An optical device includes an optical base, an electric board, a fiber tray, and the like, which are placed in an enclosure. In particular, the electric board is made smaller than the optical base, and the fiber tray is placed in a space defined between an outer peripheral surface of the electric board and an inner side surface of the enclosure. In other word, the optical device uses a gap between the electric board and the enclosure not as a dead space but as a space for routing a remaining portion of the optical fiber. Thus, the optical device can improve space efficiency and thereby can reduce its size.

Abstract: The present invention relates to a device that can be used as, inter alia, a cross blade flexure pivot, with the cross blade flexure pivot comprising a monolithic structure. The present invention also relates to a method for preparing a monolithic cross blade flexure pivot using injection molding. Also provided is a mold for use in this injection molding method. The present invention also relates to a method for preparing a monolithic cross blade flexure pivot using selective laser sintering, as well as to the three-dimensional digital descriptions used in this method. The present invention also relates to a method of providing non-frictional rotational support to a mechanical component. The present invention also relates to systems that include the cross blade flexure pivot device.

Abstract: A vertical-motion vibration isolator utilizes negative-stiffness-producing mechanism which includes a plurality of compressed flexures, each having a particular length in the compressed direction of the flexure and being oriented in a horizontal direction, wherein the plurality of compressed flexures are positioned relative to each other such that the length of each compressed flexure substantially overlaps the length of each of the other compressed flexures. At least some of the plurality of compressed flexures can be positioned in a stacked arrangement. The arrangement of compressed flexures forming a portion of the negative-stiffness mechanism can reduce the size of the isolator without compromising vibration isolation performance.

Abstract: A load carrier device is provided with a support structure and means arranged for connection to a lifting means. The support structure comprises one or more shock absorbers provided with a telescoping element which in an initial position projects downwards from an underside of the support structure and is arranged for damped compressive telescoping at the contact of the load carrier with a base.

Abstract: A vibration isolating device for isolating an object from at least one of vibration and shock from an external source. The vibration isolation device comprises such features as a mounting structure where the object is mounted to, at least a plurality of first springs coupled to the mounting structure to minimize coupling of the at least one vibration and shock to the object, and a shock stop. In addition, the device may include a plurality of stop pins that are separate from the mounting structure and arranged externally to the mounting structure. The stop pins can limit a displacement of the object when the at least one of vibration and shock exceeds a given level.

Abstract: A tension balancer which includes an axis body including a latch part, a column shaped main body including a bottom part which has at least two first through holes arranged at equal intervals in a concentric circle from the center, and an open upper part, a spring base housed within the main body and having an aperture for joining an end of the axis body to the center, and at least two second holes arranged at equal intervals in a concentric circle from the center, an upper lid having an aperture for pushing through the main body of the axis body to the center, and at last two second through holes arranged at equal intervals in a concentric circle from the center, the upper lid being screwed to the main body by a bold and nut which passes through the first, second and third through holes, and at least two or more spring unit groups sandwiched between the spring base which is housed within the main body and the upper lid.

Abstract: Provided is a foot structure for a humanoid robot capable of effectively keeping its balance in a pause state or action. The foot structure includes a support; a plurality of lower structures having an upper member connected to a bottom of the support; a plurality of lower members having a plurality of independent portions each movably connected to the upper member; and a revolute joint for coupling the upper member and the lower member. Since a contact between the foot structure and the floor is smoothly made, a shock is prevented from being transferred to a body of the humanoid robot. Also, a vibration generated when the humanoid robot steps on the floor is eliminated, so that the humanoid robot can pose a stable and smooth gate.

Abstract: A motor mount for a motor that drives an endless belt for a vibratory apparatus has a platform on which the motor is attached. The platform is supported on a base by a pivoting connection so that the platform rotates about an axis that is parallel to the motor shaft. Spring tension is applied to the belt drive by a leaf spring bias between the platform and the base at a distance from the pivotal connection.

Abstract: The invention describes a point-type, spring-supported suspension means for noise protection sheets.

Abstract: The platform isolator of the present invention isolates a vibration source from its surroundings. The platform is supported on elongated members that in turn are supported on knife-edge supports. The ends of the elongated members are restrained from longitudinal movement. The distance between a pair of knife edge supports may be fixed or adjustable based on the expected vibration frequency.

Abstract: A damping element for a shoe, especially for a sports shoe, having at least one first element which extends essentially in a load direction over a pre-determined height in the unloaded state of the damping element, and is embodied as a hollow body defining a receiving area in which an associated second element with a smaller cross-section can at least partially penetrate. The second element extends essentially in the load direction over a pre-determined height in the unloaded state of the damping element, and is arranged coaxially in relation to the first element. To improve the damping performance of the shoe, the second element is also embodied as a hollow body and the two associated elements are interconnected by means of an elastic connecting section which only extends between the first-element and the second element so that the elements together form a gas-tight chamber.

Abstract: A device for supporting a web with a holding device (5), a first spring element (14), which generates a first spring force directed roughly against the force caused by the load in case of a loading of the holding device (5) and with a second spring element (16), which generates a second spring force acting roughly in the direction of the force caused by the loading of the holding device (5).

Abstract: A horizontal-motion vibration isolation system for supporting an object in an equilibrium position relative to a base while suppressing the transmission of horizontal vibratory motion between the object and the base includes a plurality of columns, each column having a rigid member with a first end and a second end. A tilt mechanism is operatively connected to each first end of the rigid members and the object. Likewise, a tilt mechanism is operatively connected to each second end of the rigid members and the base. Each tilt mechanism exhibits a tilt rotational stiffness and the horizontal translation of the object relative to the base causes tilt rotation of the columns. The tilt rotational stiffness of the tilt mechanisms is approximately proportional to the compression load transmitted to the columns by the weight of the object, so that the horizontal natural frequency of the system is nearly insensitive to the payload weight.

Abstract: A horizontal-motion vibration isolation system for supporting an object in an equilibrium position relative to a base while suppressing the transmission of horizontal vibratory motion between the object and the base includes a plurality of columns, each column having a rigid member with a first end and a second end. A tilt mechanism is operatively connected to each first end of the rigid members and the object. Likewise, a tilt mechanism is operatively connected to each second end of the rigid members and the base. Each tilt mechanism exhibits a tilt rotational stiffness and the horizontal translation of the object relative to the base causes tilt rotation of the columns. The tilt rotational stiffness of the tilt mechanisms is approximately proportional to the compression load transmitted to the columns by the weight of the object, so that the horizontal natural frequency of the system is nearly insensitive to the payload weight.

Abstract: The present invention provides improvements in the design of radial flexures and beam-columns used in vibration isolation systems which rely on a principle of loading a particular elastic structure which forms the isolator or a portion of it to approach the elastic structure's point of elastic instability. The improved radial flexure includes a region along the flexure in which there is reduced stiffness than the stiffness substantially along the length of the flexure. In one preferred form of the invention, the region of reduced stiffness is created by machining or forming a notch near each end of the flexure. Likewise, the improved design of the beam-column includes a region in which the stiffness of the beam-column in less than the stiffness along substantially the length of the beam-column. In one preferred embodiment, the region of reduced stiffness of the beam-column is formed by machining or otherwise forming notches near the ends of the beam-column.

Abstract: A land vehicle seat assembly for absorbing explosive shocks is mounted on e vehicle's floor. The assembly has an anti-friction pad on the floor. A base plate on the pad swings around a pin fixed to the floor at the front of the plate. Horizontal shock absorbers at either side of the plate deceleratingly retard swinging of the plate. Stops at the sides of the plate limit plate swing. The assembly includes a pair of upright rails fixed to the plate and a seat slidable on the rails. A light duty unit such as a pneumatic spring or a shock absorber connects to the plate and seat. A heavy duty shock absorber, responsive only to shocks above a certain power, is connected to the plate. The heavy duty shock absorber can absorb shocks an order of magnitude greater than does the light duty unit.

Abstract: An improved version of vibration isolation systems using negative stiffness incorporates a payload and payload platform on just one 6-DOF isolator in a unique and innovatively compact configuration. The isolator includes a platform supported on an assembly of independently acting flexure mechanisms which are connected in serial fashion, tilt on top of horizontal on top of vertical, and in turn connected a base. Proper arrangement of the mechanisms and the payload/platform center of mass provides highly effective decoupled isolator performance. In addition, an innovative flexure preloading method which significantly improves vertical isolation performance is incorporated. This method can be used with prior (unsymmetric) designs or combined with a set of shear flexures in an innovative symmetric arrangement described below to provide more assurance of ideal decoupled response to mutually perpendicular base excitation input.

Abstract: A shock absorbing assembly for coupling to a pedestal for mounting a seat of a boat, the shock absorbing assembly including a shock absorber mounted in a housing, a pair of guide shafts being provided and being slidably mounted through the housing.

Abstract: An apparatus shock isolation mounting system includes an apparatus, a base, and an apparatus chassis that carries the apparatus and is vertically slidable with respect to the base. A pair of oppositely disposed, self-centering preloaded springs with internal guide rods are attached between the apparatus chassis and the base. A pair of shock dampers are attached between the apparatus chassis and the base at different locations. The preloaded springs and the shock dampers cooperate to prevent damage to the apparatus by vibration and shock loadings.

Abstract: A gas spring including a housing, and a rolling convolution type flexible gas seal supporting a piston within the housing. The piston has a chamber and a resilient vibration damper unit resides within the chamber for reducing the horizontal stiffness of the gas spring.

Abstract: An improved omnidirectional vibration isolating suspension apparatus for supporting an object in an equilibrium position relative to a base while suppressing transmission of vibratory motion between the object and the base, in which an isolator internal structure resonant frequencies can be significantly increased while the isolator provides low vertical and horizontal stiffness and low resonant frequencies.

Abstract: An improved vibration isolation system utilizes at least one pair of structures connected vertically in series with each other and with a base structure and preloaded vertically, with a payload platform disposed between and connected to the structures. Each structure has a negative-stiffness effect in response to vertical compressive load for reducing its horizontal stiffness. The system passively accommodates changes in payload weight or weight distribution by providing a prescribed change in horizontal-motion isolator stiffness with change in weight load. The invention also provides an improved means of retrofitting existing vibration-isolating suspension systems to reduce their stiffness and increase their damping.

Abstract: An improved vibration isolation system utilizes a damped elastic structure loaded to approach a point of elastic instability to reduce the stiffness of the structure and to increase the damping. The system provides very low amplification at system resonant frequencies and effectively isolates at higher frequencies.

Abstract: A reduced horizontal stiffness vibration isolation system including a gas spring assembly with a load support interface portion and pivot device externally coupled to the gas spring assembly for allowing the gas spring assembly to pivot when either the load support interface portion or the pivot device is displaced to reduce the horizontal stiffness of the gas spring assembly.

Abstract: A vibration isolation system utilizes various configurations of elastic structures loaded to approach a point of elastic instability. In one form of the invention, the system uses a combination of a negative-stiffness mechanism and a positive spring to support a payload and provide low net stiffness in the vertical direction. Horizontal motion is generally isolated by utilizing one or more axially-symmetric columns loaded to approach their critical buckling loads to provide low stiffness in any horizontal direction.

Abstract: A device and a process are disclosed for driving a moving surface in a reciprocating motion in a plane, and having a magnitude A.sub.2. Two parallelograms are provided, which can be distorted in a plane perpendicular to the plane where the motion is carried out. Each of both parallelograms exhibits two parallel sides, one being common to both parallelograms and driven in a reciprocating motion having a displacement A.sub.1 =A.sub.2 /2, the other parallel side of the first parallelogram being stationary and the other parallel side of the second parallelogram being driven in a reciprocating motion having a displacement A.sub.2.

Abstract: An active vibration isolation system which has three groups of airbag springs for supporting a load and isolating the load from vibration, together with a servo-valve system for admitting pressurized air to or exhausting pressurized air from each group of the airbag springs, and a damping system for damping movement of the load. The damping system comprises a plurality of pairs of shock absorbers which are mounted in parallel with and adjacent to the airbag springs. The shock absorbers are arranged so as to provide damping for each of the groups of airbag springs in three mutually-orthogonal directions.

Abstract: An improved vibration isolation system utilizes at least one pair of structures connected vertically in series with each other and with a base structure and preloaded vertically, with a payload platform disposed between and connected to the structures. Each structure has a negative-stiffness effect in response to vertical compressive load for reducing its horizontal stiffness. The system passively accommodates changes in payload weight or weight distribution by providing a prescribed change in horizontal-motion isolator stiffness with change in weight load. The invention also provides an improved means of retrofitting existing vibration-isolating suspension systems to reduce their stiffness and increase their damping.

Abstract: An isolator includes flexural elements for resisting transmission of shock and vibration forces between structures, and also includes conductor elements for conducting energy such as heat and/or electricity from at least one of the structures. Each element spans the distance between a pair of isolator supports connected to the structures.

Abstract: Textile fiber carding apparatus is provided with an adjusting system for carrying out linear adjusting movements which are at least esentially independent of friction, and free from jerks and oscillations. The system includes a carrier (20) for the object (12) (e.g., the doffer) to be adjusted and an actuating mechanism (40) in contact with the carrier. The carrier (20) is supported at at least two positions spaced apart from each other in the direction of adjustment on respective supporting devices (26, 26.1). At least one of the supporting devices is formed by a generally cylindrically shaped bellows (28) filled with a bubble free incompressible fluid and is secured at its one end face to the carrier (20) and at its other end face to a foundation (24). At least one flat spring (34, 34.1) is secured at its one end to the foundation (24) and its other end to the carrier (20). One or more addition supporting devices (26, 26.