Abstract: A diffuser system for a centrifugal compressor is provided. The diffuser system includes a nozzle base plate that defines a diffuser gap, support blocks, and a drive ring rotatable relative to the support blocks. The drive ring includes cam tracks and bearing assemblies positioned proximate an outer circumference of the drive ring. The diffuser system further includes drive pins extending through the support blocks and the nozzle base plate. The first end of each drive pin includes a cam follower mounted into a cam track on the drive ring. The second end of each drive pin is coupled to a diffuser ring. Rotation of the drive ring causes axial movement of the drive pins by movement of the cam followers in the cam tracks. This results in movement of the diffuser ring to control fluid flow through the diffuser gap.

Abstract: A material delivery and waste removal trailer that includes a scissors lift mechanism mounted on a main frame of the trailer that elevates a storage bin from the main frame and retracts the storage bin to the main frame. The storage bin has a frame mounted on the scissors lift and a container mounted to the frame of the storage bin. The container of the storage bin is movable pivotally vertically away the frame of the storage bin and linearly horizontally through the frame of the storage bin. A first hydraulic cylinder controls movement of the scissors lift mechanism away from the main frame and toward the main frame and a second hydraulic cylinder controls movement of the container of the storage bin away from the frame of the storage bin and toward and the frame of the storage bin.

Abstract: A hood for closing a compartment of a vehicle includes an outer panel forming a vehicle body outer side portion of the hood. The hood further includes a cooling channel structure arranged at an inner side portion of the outer panel, wherein the cooling channel structure is adapted for transferring a cooling fluid from a vehicle component and back to the vehicle component such that heat is exchanged via the outer panel with the vehicle surroundings.

Abstract: A synchronous transmission pivot shaft device has a simplified structure and less assembled components and reduces assembling tolerance/motional space. The synchronous transmission pivot shaft device includes an assembly of a main body, a first operation board and a second operation board disposed on the main body. The first operation board has an obliquely extending arm section. The second operation board has an obliquely extending arm section. The arm sections of the first and second operation boards are respectively received in a first oblique rail and a second oblique rail of the main body. When a user operates the first operation board or the second operation board to move, the first operation board or the arm section thereof and the second operation board or the arm section thereof respectively synchronously move along the first and second oblique rails to achieve opening/closing effect.

Abstract: A robot 1 having a first assembly 4, 5 and a second assembly 3, 6, wherein a bearing arrangement 24, 25, 52, 53, by which the second assembly 3, 6 can be moved relative to the first assembly 4,5 is provided in the first assembly 4,5. The bearing arrangement 24, 25, 52, 53 comprises a first fastening element 26, 27, 54, 55, and the second assembly 3, 6 comprises a second fastening element 30, 31, 60, 61, wherein the first fastening element 26, 27, 54, 55 and the second fastening element 30, 31, 60, 61 are connected to one another, and wherein the first fastening element 26, 27, 54, 55 and the second fastening element 30, 31, 60, 61 are designed to be complementary, at least in sections. A method for mounting two assemblies 2, 3, 4, 5, 6, in particular two robotic arms, of a robot is also disclosed.

Abstract: A LiDAR sensor may include: a housing; a window cover installed on the housing; a motor mounted in the housing; a rotating shaft rotated by the motor; a guide connected to the rotating shaft and rotated along the surface of the window cover; and a brush mounted on the guide so as to face the window cover, contacted with the window cover, and washing the surface of the window cover with rotation of the guide. The guide may include: a first guide part connected to the rotating shaft; a second guide part rotatably connected to the housing; and a third guide part connected to the first and second guide parts, formed in a U-shape so as to face the window cover, and having the brush mounted thereon.

Abstract: A motor control center includes an enclosure comprising an isolation switch, a main contactor device, and a ground switch device. The isolation switch is selectively manually operable between a connected state and a disconnected state. In the connected state the isolation switch is adapted to conduct electrical power from an associated power source to the main contactor device and wherein the isolation switch in the disconnected state interrupts conduction of electrical power from the associated power source to the main contactor device.

Abstract: A pipe handling assembly carried by a horizontal boring machine includes a pipe box having a plurality of columns. One or more pipe sections may be received and stored in any of the columns. A pair of shuttle arms are used to move the pipe sections from the pipe box to a carriage included in the machine. The pipe column selection assembly includes an elongate rotatable shaft that carries a series of stop elements. A shaft-mounted pinion gear drives movement of the shuttle arms. A longitudinally positionable bolt element can block the rotational path of any selected one of the stop elements. Such blockage stops movement of the shuttle arms beneath a corresponding one of the columns. The pipe column selection assembly allows an operator to select which column to load or unload a pipe section into and from within a pipe box.

Abstract: A buffered cam assembly, which is particularly well-suited for use to provide a clock input for a mechanical computing system, interposes a buffer element between a cam surface and a follower. The buffer element engages the cam surface and acts to significantly reduce the effect of any irregularities in the cam surface on the resulting motion of the follower, allowing the output waveform of movement of the follower to more closely approximate an intended ideal output waveform.

Abstract: The present invention provides a surgical manipulator including a manipulator arm, an end-effector held by the robotic arm, surgical tools held by the end-effector and manipulator joints, particularly right-angle drive devices for transmitting rotational motion in one axis to a perpendicular axis.

Abstract: A robot is provided which includes (a) a first arm (313) terminating in a first radius (317); (b) a second arm (315) terminating in a second radius (319), wherein said second radius is spaced apart from said first radius; (c) a first band (331) that extends around a portion of said first radius; (d) a second band that extends around a portion of said second radius; and (e) a first rigid, longitudinally extending element (709) having a first end which is attached to said first band, and having a second end which is attached to said second band.

Abstract: An energy harvester is provided for harvesting energy, and in particular electrical energy from an input vibration such as an ambient vibration. The energy harvester comprises a first mechanical amplifier responsive to the input vibration and a second mechanical amplifier coupled to the first mechanical amplifier. At least one of the first and second mechanical amplifiers comprises a parametric resonator, and a power output of the energy harvester is generated by damping the second mechanical amplifier.

Abstract: A hinge mechanism with multiple rotating axes is disclosed. The hinge mechanism includes a first bracket, a linking bracket, a first rotating shaft, a second bracket and a second rotating shaft. The first rotating shaft is used for pivoting the first bracket and the linking bracket, such that the linking bracket is connected to the first bracket in a rotable manner. The second rotating shaft is used for pivoting the linking bracket and the second bracket, such that the linking bracket is further connected to the second bracket in a rotable manner.

Abstract: An actuating device includes a first actuating device mounted to a second actuating device. Each of the first and second actuating devices includes a base link, a first link, a second link, a translating link, a shaft, and a drive. The base link includes a first joint, a second joint, and a base plate extending between them. The first link is mounted for rotation to the first joint, and the second link is mounted for rotation to the second joint. The translating link includes a third joint, a fourth joint, and a translating plate extending between them. The drive includes an arc surface and is mounted to the translating link such that, when operating the actuating device, a position of the arc surface is fixed relative to the translating plate. The shaft is mounted to the arc surface to cause translation of the translating link as the shaft rotates.

Abstract: A dual-shaft synchronous movement device includes a first shaft and a second shaft, which are synchronously rotatable. The synchronous movement device further includes a first rotor and/or a third rotor disposed on the first shaft and a second rotor and/or a fourth rotor disposed on the second shaft, and an inextensible/non-contractible flexible plate connected between the first (or the third rotor) and the second rotor (or the fourth rotor). When the first shaft drives the first rotor (or the third rotor) to rotate, the inextensible/non-contractible flexible plate pulls the second rotor (or the fourth rotor) to rotate in a direction reverse to a moving direction of the first rotor so as to make the first and second shafts synchronously rotate. The synchronous movement device solves the problem of delay of kinetic energy transmission and the problem of slippage, deflection and untrue operation of the conventional device.

Abstract: Disclosed is an assembly that may be used with a machine, such as, but not limited to, a screed. In example embodiments, the assembly may include a first member, a second member adjacent to the first member, and a first actuator configured to rotate the second member with respect to the first member and transfer a biasing force to the second member. In example embodiments, the assembly may further include a second actuator configured to translate each of the first and second members.

Abstract: A mount for a shaft includes a collar, disposable around the shaft, a first mating piece and a second mating piece. The collar includes first and second tapered outer surfaces that taper away from each other. The first mating piece has a first tapered aperture that is configured to mate with the first tapered outer surface of the collar. The second mating piece has a second tapered aperture configured to mate with the second tapered outer surface of the collar. The first and second mating pieces are adapted to be aligned such that when the collar is mated with the first and second mating pieces, the shaft is substantially perpendicular to the first mating piece.

Abstract: A dual-shaft synchronous motion device includes a first shaft and a second shaft; a first rotor disposed on the first shaft and turned synchronously; a second rotor disposed on the second shaft and turned synchronously; and a tractive member disposed between the first rotor and the second rotor. When the first shaft drives the first rotor to turn, the tractive member brings the second rotor to turn reversely relative to the first rotor so that the first and second shafts are turned synchronously.

Abstract: A dual-shaft pivot device includes a resilient guide assembly composed of a plurality of resilient guide members and first and second pivotal shafts. Each resilient guide member has two accommodation portions at two ends thereof and a connecting groove communicating with the two accommodation portions. One end of the inner wall of each accommodation portion, far away from the connecting groove, has an end protrusion. The first and second pivotal shafts have middle portions which are inserted in the accommodation portions of the resilient guide member. Each middle portion has at least one middle flat surface to get contact with the end protrusion for the middle portion to push the end protrusion during turning to bring resilient deformation of each accommodation portion.

Abstract: An arm unit includes a first member, a rotation shaft, a second member, a spring member, and a displacement adjusting device. The second member is expandably connected to the first member via the rotation shaft. The spring member is configured to bias the first member and the second member to a direction of expanding the first member and the second member. The displacement adjusting device is configured to displace the spring member at an amount of displacement less than an amount of displacement between the first member and the second member around the rotation shaft.

Abstract: A displacement amplifier receives an actuation displacement signal from a piezoelectric actuator. The displacement signal is amplified by one or more stages of compliant elements, and a corresponding force is applied to a load. Wide frequency response is achieved in response to the resilience characteristics of the compliant elements that are formed from any of several materials, illustratively aluminum, steel, titanium, plastics, composites, etc., and are produced by any of several manufacturing techniques, illustratively extrusion, die casting, forging, etc. The compliant elements can be configured as plural compliant mechanical displacement amplifier stages. In bilateral arrangements displacement signals from distal ends of the motive source are applied to symmetrical, or mirror image, arrangements of compliant elements. The motive source, which may be a piezoelectric actuator, delivers its displacement signal at one end thereof to one or more compliant elements.

Abstract: A counterbalance system and lifting system for assisting a user. The system includes one or more arms, such as lift arms, that by user input from a user may be operated to raise and lower a load carried by a tray. The system further includes a counterbalance mechanism connected to the one or more arms configured to assist raising and lowering the loaded tray. The counterbalance mechanism may be configured to adjust to a force provided by the counterbalance system in response to the load changing. The system further includes a release for engaging the counterbalance mechanism to assist the user in raising or lowering the tray.

Abstract: A synchronous movement device of dual-shaft system includes a first shaft and a second shaft, which are assembled with each other and synchronously rotatable. The synchronous movement device further includes a driver disposed on the first shaft and a reactor disposed on the second shaft and a link unit connected between the driver and the reactor. The driver is formed with a driving rail. The reactor is formed with a reacting rail. When the first shaft drives the driver to rotate, the driver pushes the link unit to move along the first and second shafts to forcedly push the reactor to rotate in a direction reverse to the moving direction of the driver. Accordingly, the first and second shafts are synchronously rotated.

Abstract: A synchronous movement device applied to dual-shaft system includes a first shaft and a second shaft, which are assembled with each other and synchronously rotatable. The synchronous movement device further includes a driver and a driving rail disposed on the first shaft, a reactor and a reacting rail disposed on the second shaft and a link unit connected between the driver and the reactor. When the first shaft drives the driver to rotate, the driver pushes the link unit to move along the first and second shafts to forcedly push the reactor to rotate in a direction reverse to the moving direction of the driver. Accordingly, the first and second shafts are synchronously rotated.

Abstract: A carrier unit for a weight switching device includes a first shift weight carrier (34-1) which moves vertically in relation to a base, for vertically mounting a first shift weight arrangement (22-1R, 22-1L) which has two spaced-apart, parallel carrier arms (30-1R, 30-1L) connected by a bridging piece (32-1). A second shift weight carrier (34-2R, 34-2L) for vertically mounting, with play, a second shift weight arrangement (22-2R, 22-2L) which likewise has two spaced-apart, parallel carrier arms (30-2R, 30-2L) connected by another bridging piece (32-2), is likewise arranged in a vertically movable manner in relation to the base. The carrier arm pair (30-1R, 30-10 of the first shift weight carrier (34-1) is arranged between and parallel to the carrier arm pair (30-2R, 30-2L) of the second shift weight carrier (34-2), and each shift weight carrier (34-1; 34-2) is articulated to a common crosspiece (12) by two parallel links (23-1R, 23-1L; 23-2R, 23-2L).

Abstract: A rotary shaft transmission structure, which is designed with a simplified structure to provide a smooth and stable transmission of a rotary shaft and to reduce the occurrence of rotational torsion variation of the rotary shaft, includes a combination of at least one rotor and a traction portion. The rotor includes a shaft hole and a bolt bore, in which the shaft hole is utilized to pivot the rotary shaft so that the rotor can be rotated by the rotary shaft, the shaft hole transversely passed through by at least a plan area is utilized to retain the traction portion, and the rotary shaft is utilized to press the traction portion via the plan area, thereby forming a fixation function.

Abstract: A vibration device includes a base, a movable bench elastically supported with respect to the base, a first horizontal excitation unit that vibrates the movable bench in a first horizontal direction, a second horizontal excitation unit that vibrates the movable bench in a second horizontal direction that crosses the first horizontal direction, a vertical excitation unit that vibrates the movable bench in a vertical direction, and first and second middle benches between the base and the movable bench, wherein first to third plate-like spring members elastically connect the base, the first and second middle benches, and the movable bench sequentially in the first horizontal direction, the second horizontal direction, and the vertical direction.

Abstract: Example embodiments disclosed herein relate to a display stand. The display stand includes a base, a support arm, one or more display mounts, and a latching mechanism. A display may be attached to the one or more display mounts. The display may include a variety of devices such a monitor, workstation, or computer. The latching mechanism is configured to have a latched position that secures the support arm and one or more display mounts in a reclined position substantially parallel to the base. The latching mechanism is additionally configured to have an unlatched position that allows extension of the support arm and one or more display mounts.

Abstract: A vibrator includes first and second circular or substantially circular arc-shaped beam portions, a base end-side weight portion, and a base end-side weight portion joining portion. The end portions of the first and second circular or substantially circular arc-shaped beam portions in an X-axis positive direction face each other across a distance in a Y-axis direction, and the end portions thereof in an X-axis negative direction are joined to each other. The base end-side weight portion is disposed between the first and second circular or substantially circular arc-shaped beam portions. The base end-side weight portion joining portion extends from a joining portion between the first circular or substantially circular arc-shaped beam portion and the second circular or substantially circular arc-shaped beam portion in the X-axis positive direction, and joined to the base end-side weight portion.

Abstract: A force transmission transmits a force to a primary output gimbal plate and a secondary output gimbal plate. The secondary output gimbal plate supports the primary output gimbal plate. Each of three primary levers is supported by a primary pivot. Each primary lever is coupled to the primary output gimbal plate such that the three couplings are not collinear. Each of three secondary levers is supported by a secondary pivot. Each secondary lever is coupled to one of the primary levers by a force applying connector. Each secondary lever is coupled to the secondary output gimbal plate such that the three couplings are not collinear. The output gimbal plates may be coupled to the levers by flexible cables. The cables may be substantially contained within a tube. The output gimbal plates may be substantially smaller than the input gimbal plate.

Abstract: A shutter-blind system for windows is provided. The system includes a frame and a plurality of rotatable parallel louvers coupled within the frame. Each louver of the plurality of louvers is operatively coupled to adjacent louvers with a collapsible linkage. The system may further comprise a biasing member coupled to a first louver located at a first end of the plurality of louvers and a resisting member coupled to a second louver located at a second end of the plurality of louvers. The biasing member pulls against the resisting member to maintain tension in the collapsible linkage. According to certain embodiments, the frame elements are coupled within a window opening and trim elements are coupled to cover gaps between the frame elements and the window opening.

Abstract: An articulating assembly of or for an adjustable hinge assembly, the articulating assembly comprising or including a height control arm supporting a mounting element at its distal end and pivotable about its proximal end for height adjustment, a convex member or members (“member(s)”) at or adjacent the distal region of the height control arm defining a distinct or merged pair of convex surfaces, the convex member(s) having a passageway therethrough, a pair of concave members engaged with the convex surfaces of the convex member(s) in a cupping manner, the concave members each having a passageway therethrough, and a pin located through the aligned passageways of the convex member(s) and concave members, the pin also being engaged with the mounting element to couple the mounting element to the height control arm, wherein the pin is dimensioned such that there is a clearance with respect to the passageway of the convex member(s) to allow at least limited articulating movement of the mounting element relative to

Abstract: An actuating device includes a first actuating device mounted to a second actuating device. Each of the first and second actuating devices includes a base link, a first link, a second link, a translating link, a shaft, and a drive. The base link includes a first joint, a second joint, and a base plate extending between them. The first link is mounted for rotation to the first joint, and the second link is mounted for rotation to the second joint. The translating link includes a third joint, a fourth joint, and a translating plate extending between them. The drive includes an arc surface and is mounted to the translating link such that, when operating the actuating device, a position of the arc surface is fixed relative to the translating plate. The shaft is mounted to the arc surface to cause translation of the translating link as the shaft rotates.

Abstract: An actuating device includes a base link, a first link, a second link, a translating link, a shaft, and a drive. The base link includes a base plate, a first joint, and a second joint. The base plate extends between the first joint and the second joint. The first link is mounted to the first joint to allow rotation of the first link relative to the base plate at the first joint. The second link is mounted to the second joint to allow rotation of the second link relative to the base plate at the second joint. The drive includes an arc surface and is mounted to the translating link such that, when operating the actuating device, a position of the arc surface is fixed relative to the translating plate. The shaft is mounted to the arc surface to cause translation of the translating link as the shaft rotates.

Abstract: A kitchen appliance includes a main body, a pivoting arm, which is arranged pivotably on the main body at a bearing, and a lever device for assisting a pivoting movement of the pivoting arm. The lever device, which assists the pivoting movement of the pivoting arm on the main body of the kitchen appliance, makes it possible to provide an operation which is safe for a user, since the movement of the pivoting arm is always controlled by the lever device. Furthermore, pivoting of the pivoting arm can be provided without direct interaction of the user.

Abstract: A sound-reproducing apparatus includes plural coupling portions, plural rods, plural shell portions, an actuator, and first, second, and third speakers. The coupling portions are disposed at positions corresponding to vertices of an assumed first regular tetrahedron and second regular tetrahedron in a duality relation. The rods connect adjacent coupling portions with each other among the coupling portions. The shell portions are joined to the rods. The actuator is disposed outside one coupling portion selected from the coupling portions with respect to a center of the first regular tetrahedron or second regular tetrahedron, and the actuator is connected with the one coupling portion. The first, second, and third speakers are disposed on, of the four coupling portions disposed at positions corresponding to the vertices of the one of the first and second regular tetrahedra including the one coupling portion, three coupling portions excluding the one coupling portion.

Abstract: A catbird seat means is an elevated advantaged overview position. The catbird seat apparatus includes an illuminated platform, therapeutic massaging vibrating command chair, with a multi-telecommunications device combination. A command chair means is a sitting instrument with therapeutic massaging vibrating motors, and a multi-telecommunications device combination means is a mixed or the same combination 3D-tv, document or image composer monitor, video phone monitor, computer monitor, multi-disc DVD monitor, satellite radio, video game monitor, digital photo monitor, or any audio or video thin control panel device for simultaneous entertainment, business, and educational use, mental and physical stimulation, or command sitting comfort with a method of supporting, viewing, controlling, or commanding a multi-telecommunications device combination within the 5 feet radius with arms extended, in the referenced catbird seat position.

Abstract: A compound motion structure (3) for connection between two surfaces comprising a first arm (5) and a second arm (7) swingable coupled together through a first hinge connection (13), a first surface (35) coupled to an opposite end of the first arm via a second hinge connection, a second surface (39) coupled to an opposite end of the second arm via a third hinge connection, the first arm (5) and the second arm (7) being movable thereby resulting in a compound motion of one or both surfaces.

Abstract: A nonparallel-axes transmission mechanism includes conical pulleys. A first conical pulley includes a first rotation axis and a first imaginary conical surface including a center line identical to the first rotation axis. A second conical pulley includes a second rotation axis not parallel to the first rotation axis, and a second imaginary conical surface including a center line identical to the second rotation axis. The first and second imaginary conical surfaces include matching apexes. Support shafts rotatably support the conical pulleys. A fan belt transmits power from the first conical pulley to the second conical pulley and contacts the first and second imaginary conical surfaces. The first conical pulley includes a shape of the first imaginary conical surface removing a shape of the contacting fan belt. The second conical pulley includes a shape of the second imaginary conical surface removing a shape of the contacting fan belt.

Abstract: A cylinder lock includes a sleeve, and a key plug housed in the sleeve and having an output portion to output an interrupted motion of a clutch device by moving in an insertion and extraction direction by an insertion and extraction of a matching key. The key plug is formed by a pivoting spindle in which the output portion pivotally supports an input clutch element and an output clutch element of the clutch device in the output state by an insertion of the matching key.

Abstract: A mount for a shaft includes a collar, disposable around the shaft, a first mating piece and a second mating piece. The collar includes first and second tapered outer surfaces that taper away from each other. The first mating piece has a first tapered aperture that is configured to mate with the first tapered outer surface of the collar. The second mating piece has a second tapered aperture configured to mate with the second tapered outer surface of the collar. The first and second mating pieces are adapted to be aligned such that when the collar is mated with the first and second mating pieces, the shaft is substantially perpendicular to the first mating piece.

Abstract: A steering device for a wheeled vehicle having wheels includes a steering element for steering actuation with a predetermined movement path and a predetermined degree of actuation, a conversion device for converting the steering actuation to an output signal for transmission to a steering drive for steering the wheels, a connection device operatively connecting the steering element with the conversion device for transmitting the steering actuation to the conversion device, and limiting means configured to either selectively release the degree of actuation to a first maximum degree of actuation or limit the degree of actuation to a second maximum degree of actuation which is reduced compared to the first maximum degree of actuation.

Abstract: A system and apparatus are disclosed for a linear vibratory drive. In one embodiment, the drive includes a mounting bar coupled to a first flat leaf spring, the first flat leaf spring mounted on a stationary member, where the mounting bar is suitable for mounting a conveyance device such as a linear track or tray. A counterweight is coupled to a second flat leaf spring, where the second flat leaf spring is mounted on the stationary member, and where the counterweight is positioned such that a gap separates the counterweight from the mounting bar. A motor provides a vibrational pulse to the stationary member, thereby vibrating the mounting bar and the counterweight.

Abstract: A mechanical amplifier and method for converting a small motion amplitude to a larger motion amplitude are disclosed. The method includes using two or more beams which are connected in series at angles to each other. Undesirable movements arising in the structure are absorbed by the structure through torsion. Each beam is a mechanical motion amplifier, and by connecting these in series, the total amplification is the product of the amplification of the comprised beams. The disclosure also pertains to a device comprising two or more beams connected together at an angle of 90 degrees in one embodiment.

Abstract: A device comprising a body part (101) and a functional module (102) is presented. The functional module is situated at least partly in a cavity (121) of the body part and is connected to the body part with a supporting mechanism (103, 104, 105, 106) arranged to allow the functional module to be turned relative to the body part. The supporting mechanism is arranged to move an axis of rotation of the functional module in parallel with a surface of the cavity as a response to turning the functional module relative to the body part. Due to the fact that the axis of rotation is moved when turning the functional module, the free space that is needed around the functional module can be minimized. The device can be e.g. a mobile phone and the functional module can be e.g. a camera element of the mobile phone.

Abstract: An oscillating structure includes a supporting member, a first oscillating member, second oscillating member, a first resilient supporting member configured to connect the supporting member and the first oscillating member and to support the first oscillating member for oscillatory motion around the supporting member as a central axis, and a second resilient supporting member configured to connect the first oscillating member and the second oscillating member and to support the second oscillating member movably relative to the first oscillating member, wherein the direction in which the first resilient supporting member extends from the supporting member to the first oscillating member and the direction in which the second resilient supporting member extends from the first oscillating member to the second oscillating member are opposite to each other.

Abstract: A vibration actuator comprising: a vibration portion which contacts a relative movement portion, and produces necessary vibration for a relative movement of the relative movement portion; a first member provided to hold the relative movement portion between the first member and the vibration portion, and moves relative to the vibration portion in response to movement of the relative movement portion with respect to the vibration portion; a second member which faces the first member via a rolling member, and supports the first member so that the first member is movable relative to the vibration portion; and a pressing member which generate a pressing force between the second member and the vibration portion so that the vibration portion and the relative movement portion are in contact with each othercome in contact with each other; and wherein the first member comprises a plastic substance.

Abstract: An oscillator device includes a supporting member, a movable member, an elastic supporting member configured to elastically support the supporting member and the movable member around an oscillation axis, and a driving member configured to drive the movable member, wherein the elastic supporting member includes a plurality of springs and at least one spring constant adjusting member configured to couple the plurality of springs with each other.

Abstract: An oscillator device includes at least one movable element supported for oscillatory motion around a rotational axis, and a first rectifying member for suppressing generation of a spiral airflow during oscillation of the movable element, the first rectifying member being provided to occupy a space of at least a portion of a spiral airflow generating region which might otherwise be created when the first rectifying member is not provided there.

Abstract: A keypad lifting mechanism includes a first board, a guiding piece, a second board and a third board. The guiding piece defines a guiding hole. The guiding hole includes a transverse end portion. The second board includes at least one protrusion. A guiding post is formed on the second board for engaging in the guiding hole of the guiding piece. The third board includes at least one slope corresponding to the at least one protrusion. When the guiding piece is pushed away from the third board, the guiding post slides along the guiding hole of the guiding piece. The second board moves with the guiding piece when the guiding post reaching the transverse end portion of the guiding hole. The third board is raised by the at least one slope sliding up along the at least one protrusion of the second board.