Abstract: A drive actuating a flap pivotably supported in or on an automobile, in particular actuating a fuel tank flap, comprising a push-push kinematics cooperating with one side of the flap, said push-push kinematics exhibiting the following features: a housing suitable for integration into an automobile, a pushbar supported in axially displaceable manner in the housing and which in all its axial positions partly projects through a housing aperture (34) out of the housing and which comprises an external actuating end cooperating the flap, a spring in the housing prestressing the pushbar to project from the housing, a rotatable ring which encloses the pushbar and which is supported in the housing in axially fixed manner at the outside of the pushbar, at least one groove running parallel to its axis and at least one protrusion at the inner circumference of said ring to engage said groove over a wide adjustment range of the pushbar, as a result of which the ring retains its rotational position in said range of the g

Abstract: A height-adjustable actuation device comprises a drive for height adjustment of the actuation device; a casing having a longitudinal axis; a hollow spindle arranged in the casing for displacement of a first lid arranged on the hollow spindle along the longitudinal axis; an internal spindle arranged inside the hollow spindle for displacement of a second lid arranged on the internal spindle along the longitudinal axis, with the hollow spindle and the internal spindle being non-rotatably connected to each other in terms of a rotation about the longitudinal axis, and with the hollow spindle and the internal spindle being displaceable relative to each other along the longitudinal axis.

Abstract: Provided is a seal plate (40) for a movement guide device that can be produced easily from optimal materials according to a usage environment of the movement guide device and can be produced simply at low cost. The seal plate (40) is mounted on a mobile block (2) that moves along a track rail (1) and closes a gap between the mobile block (2) and the track rail (1). The seal plate (40) includes a base material of a woven and knitted fabric or nonwoven fabric, and a binder component (40b) which is dispersed in the base material and partially binds together fibers (40a) which form the woven and knitted fabric or nonwoven fabric, and has a plurality of voids formed therein.

Abstract: An actuator includes a housing and a rotor that can be moved in relation to the housing in the effective direction of the actuator, wherein the actuator includes an advancing unit that is connected to the rotor at least part of the time. The advancing unit includes at least one deformation unit and at least one deformer for deforming the deformation unit. The at least one deformer is suited to deform the deformation unit perpendicular to the effective direction of the actuator such that the total length of the deformation unit changes in the effective direction as a result of the deformation. The actuator can be used in a projection exposure system for semiconductor lithography.

Abstract: A continuously variable speed transmission includes a first guideway, a second guideway, wherein the first guideway and the second guideway remain stationary during operation at a particular speed ratio. The transmission further includes a first member moveably connected to the first guideway and the second guideway, the first member further comprising gear teeth and a second member having gear teeth positioned at an adjustable angle relative to the first member. A gear engages the gear teeth of the first member and the gear teeth of the second member. The speed ratio of the transmission is determined based on angle of the second member relative to the first member. Either of the first member or the second member may be the input with the other member being the output depending upon whether a speed increase or a speed decrease is desired.

Abstract: A displacement member can be displaced in a direction substantially perpendicular to a moving direction of a translation member that is held on a base member so as to reciprocatingly move thereon linearly, and an elastic mechanism secured to the base member accumulates and releases elastic energy in accordance with the distance to the displacement member. Protruding members of the translation member are pressed against a transmission member by generated force provided by the energy release from the elastic mechanism; thus, a distance adjusting operation between coupling mechanisms coupling the transmission member and the displacement member is controlled by a control device so that the relative position and relative angle between the displacement member and the transmission member are changed.

Abstract: Constant force mechanisms and adjustable constant force mechanisms are described having two movable sliders constrained along two perpendicular axes and each abutting a resilient member. The mechanisms are adapted to produce an output force that is constant for a given input force. However, when an equilibrium position of one of the two resilient members is adjusted for a given mechanism, a different output force will result. Micro-compliant mechanisms are also described in which the resilient members may be made from one or more different elastomers.

Abstract: An apparatus including: an intermediate chassis configured to move in at least a first direction and configured to define a reaction surface; a movable chassis configured to move in at least a second direction orthogonal to the first direction and configured to define a follower wherein the reaction surface and follower interact to convert movement of the intermediate chassis and reaction surface in the first direction to movement of the follower and movable chassis in the second direction. Also, an apparatus including a first movable housing portion having side faces including one or more interface components; and a second housing portion; wherein the first movable housing portion is movable relative to the second housing portion between a compact configuration in which the one or more interface components are obscured by the second housing portion and an expanded configuration in which the one or more interface components are exposed.

Abstract: A device for converting a first movement into a second movement responsive to the first movement under a demagnification scale includes: a) an input portion being drivable in a rectilinear translation in a first direction by an actuator causing the first movement; b) an output portion being movable by a converting blade causing the second movement responsive to the first movement in a second direction substantially perpendicular to the first direction; and c) a converting section connecting the input portion to the output portion. The converting section includes an intermediate spring portion and the converting blade. The intermediate spring portion has at least two parallel flexure blades; and the converting blade is substantially identical in shape to the a least two parallel flexure blades and is offset from its neutral position by a predetermined amount in the first direction as compared to the neutral position of the at least two parallel flexure blades.

Abstract: A precision motion transducer is provided in the present invention. The precision motion transducer is provided with a first elastic body. An end of the first elastic body is connected to an end of a second elastic body, while the other end of the second elastic body is fixed to a base via a fixing means. A motion input means is connected to the other end of the first elastic body for inputting motion inputs, while a motion output means is provided at a location where the first elastic body is connected with the second elastic body for outputting motion outputs. The modulus of elastic of the first elastic body is smaller than the modulus of elastic of the second elastic body, whereby relatively large motion inputs can be converted to more precise and finer motion inputs, so as to attain precise positioning control.

Abstract: A displacement member can be displaced in a direction substantially perpendicular to a moving direction of a translation member that is held on a base member so as to reciprocatingly move thereon linearly, and an elastic mechanism secured to the base member accumulates and releases elastic energy in accordance with the distance to the displacement member. Protruding members of the translation member are pressed against a transmission member by generated force provided by the energy release from the elastic mechanism; thus, a distance adjusting operation between coupling mechanisms coupling the transmission member and the displacement member is controlled by a control device so that the relative position and relative angle between the displacement member and the transmission member are changed.

Abstract: A controller comprises power transmitting means (11) for amplifying the force applied on the operating shaft (6) and transmitting to the valve rod (4); and a slow start means (12) for slowly moving the operating shaft (6) upward are arranged.

Abstract: An object of the present invention is to provide a compact motion conversion transmission apparatus which can set the transmission characteristic for motion or force as desired over a wide range. The apparatus includes input, intermediate, and output members which are fitted to one another while being aligned with an axis and move in relation to one another while being aligned with the axis. Further, the apparatus includes first transmission means which converts a first motion of the input member to a second motion and transmits the second motion to the intermediate member, the first motion being one of a rectilinear motion along the axis and a rotary motion about the axis, and the second motion being the other of the rectilinear motion along the axis and the rotary motion about the axis; and second transmission means which converts the second motion of the intermediate member to the first motion and transmits the first motion to the output member.

Abstract: A positioner (2) for moving a sample platform (6) relative to a base (4) is described. The positioner is driven by a piezoelectric arranged to expand and contract along a drive axis, the piezoelectric element has an input end coupled to the base and an output end coupled to first (14) and second (16) output levers extending away from the drive axis of the piezoelectric element in opposing directions. The output levers each have an inner arm arranged to be acted on by the piezoelectric element as it expands and an outer arm to which the sample platform is mounted via platform supports (26, 28). The output levers are mounted such that the piezoelectric element acts on the inner arms of the output levers to cause the outer arms to move in a plane containing the drive axis. This motion of the output levers is communicated via the platform supports to the sample platform, so moving it relative to the base along a direction parallel to the drive axis.

Abstract: The present embodiments relate to a displacement apparatus for a C-arm arranged on a trolley. The displacement apparatus includes at least a first and at least a second guide element arranged in a plane, whereby the first and second guide elements are arranged at right angles to one another, a first displacement device which can be moved along the first guide element, and a second displacement device, which can be moved along the second guide element. A linking device connects the first and second displacement device in such a way that any movement of the first displacement device will result in the second displacement device being moved along the second guide element. This avoids the possibility of any jamming which may arise as a consequence of the leverage forces generated when a C-arm is moved.

Abstract: An electronic device includes a housing having a lens assembly and a feeding device. The lens assembly is movable between a first reference position and a second reference position with respect to the housing. The feeding device is coupled to the lens assembly. When the lens assembly is in the first reference position, the lens assembly is engaged with the housing. When the lens assembly is moved to the second reference position from the first reference position by the feeding device, the lens assembly situated in the second reference position is rotatable and movable.

Abstract: A locking and unlocking device includes a displaceably mounted locking element and an actuating element that actuates the locking element. A deformation element is deformed when the actuating element is actuated, thus displacing the locking element. The deformation element may be a spring, such as a leaf or leg spring.

Abstract: A device for controlling motion of an object includes a housing defining first and second cavities each extending from a first to a second longitudinal end of the housing. A partition separates the cavities. A first sliding member is movable within the first cavity, and includes a first extension extending outwardly from the first longitudinal end for being attached to an object whose movement is to be controlled. A second sliding member is movable within the second cavity, and includes a second extension extending outwardly from a longitudinal end for being pulled a variably controlled distance away from the housing. A motion limiting member communicates with the sliding members such that movement of the second extension the variably controlled distance away from the housing causes the first extension to be movable the variably controlled distance in a direction in which the second sliding member is pulled.

Abstract: A force amplifier has a guide track, a non-locking screw threadedly engaging the track to spirally move in response to an axial input force applied to the proximal end of the non-locking screw. The force amplifier includes a compliant component coupled to the non-locking screw by one end and to a self-locking screw by the other end. The compliant component is configured to transmit a torque generated by the non-locking screw to the self-locking screw, which is actuated to move spirally along the track while generating an axial output force greater than the input force.

Abstract: Brake apparatus includes a transmission unit for operatively connecting a brake pedal to a master cylinder, and the transmission unit is a mechanism capable of varying a ratio between an output amount of a push rod connected to a master cylinder and an operation amount of the brake pedal. Further, the transmission unit is constructed in such a manner that, in an initial operation region of the brake pedal, a ratio of the operation amount of the brake pedal to the output amount of the push rod is set to be greater than in another operation region immediately following the initial operation region.

Abstract: Disclosed a mechanism for returning a cam slider in a press tool to its original position after the slider has been slid in the direction of machining. The mechanism is made of an accommodation space portion, a resilient member withdrawably received in the space portion extending in the direction in which the cam slider moves, insertion holes formed on both sidewalls of the space portion near its rear end, and a lock plate subassembly capable of being inserted in the insertion holes. The accommodation space portion is formed in a lower portion of the cam slider or under the slider, and has rear and front surfaces being open. The insertion holes extend in a direction perpendicular to the longitudinal direction of the space portion. The lock plate subassembly provides a cover over at least a part of the space portion and supports the rear end of the resilient member.

Abstract: A device for controlling motion of an object includes a housing defining first and second cavities each extending from a first to a second longitudinal end of the housing. A partition separates the cavities. A first sliding (controlled) member is movable within the first cavity, and includes a first extension extending outwardly from the first longitudinal end for being attached to an object whose movement is to be controlled. A second sliding (controlling) member is movable within the second cavity, and includes a second extension extending outwardly from a longitudinal end for being pulled a variably controlled distance away from the housing. A motion limiting member communicates with the sliding members such that movement of the second extension the variably controlled distance away from the housing causes the first extension to be movable the variably controlled distance in a direction in which the second sliding member is pulled.

Abstract: A clamping device connects two, axially harmonically oscillating components which oscillate, as a result of their respective plane surfaces impacting each other with a frequency ? in the form of a stationary longitudinal wave with a distance A between two nodes K. The clamping device includes an axially extending springy gripping yoke having two clamping elements. The two clamping elements are located at opposite ends of the gripping yoke. The two clamping elements are spaced apart from each other by a distance corresponding to the distance A between the two nodes K of the longitudinal wave.

Abstract: The invention relates to an actuating device comprising an operating control for positioning actuating elements, in particular in a heating or air conditioning unit and to a heating or air conditioning unit, in particular of a motor vehicle, comprising an actuating device.

Abstract: A spring reaction force converting apparatus has first and second members arranged to be in parallel with and opposed to each other and to be capable of being moved toward and apart from each other, a spring element arranged to be extended between the first and second members in parallel thereto, a link mechanism holding the spring element between the first and second members such that the spring element is capable of being expanded and contracted, the link mechanism being connected to the first and second members; a stopper member maintaining the spring element held by the link mechanism in a condition in which the spring element is compressed by a predetermined amount in an initial condition, and an arrangement thereof in which a reaction force of the spring element is converted to a different type of force transmitted to the first and second members through the link mechanism.

Abstract: A differential adjuster that utilizes a tool interface for affecting either a coarse adjustment or a fine adjustment is presented. The differential adjuster includes an intermediate actuator sleeve with a tool interface to accommodate a tool for performing adjustments. The intermediate actuator sleeve includes a first threaded surface operatively engaging a housing to adjust the position of the intermediate actuator sleeve relative to the housing, and a second threaded surface operatively engaging a push rod to adjust the position of the intermediate actuator sleeve relative to the push rod. The first threaded surface contains threads that are a different pitch than the second threaded surface.

Abstract: In actuating devices such as, e.g., multifunctional actuators, it is necessary in many cases to block at least one specific direction of movement. A simple and reliably operating device is proposed for this purpose, which uses an electromagnet to bring a ball from a rest position into a blocking position. In the blocking position, the ball mechanically blocks the relative movement between two parts.

Abstract: A drawer slide having first and second outer rails interconnected to center rails; each of the center rails interconnected to a hub rail. The drawer slide is configured for use with a cable management panel having a drawer and a chassis. The drawer slide can be mounted to the drawer to provide extended sliding movement from a closed position to an open position in only a first direction. The drawer slide can also be mounted to the drawer to provide sliding movement from a closed position to an open position in both of either a first direction and a second opposite direction.

Abstract: A wire clamp for protecting a wire in a reciprocating machine includes an upper clamping member and a lower clamping member configured for slidably sandwiching the wire therebetween. The upper clamping member or the lower clamping member is pivotably mounted to the reciprocating machine. When the wire bends to travel during reciprocating movement, the upper and lower clamping members are pivoted with the wire to prevent the wire from being sharply bent which leads to stress concentration. Thus, fatigue of the wire will be reduced and a life span of the wire will be prolonged.

Abstract: Force amplifying means 5 comprises a tapered member 41 extending vertically downward from the lower end of an operating rod 3, a disk member 42 provided at the upper end of a valve stem 16, and front and rear pivotal members 43, 44 arranged between the two members 41, 42 and opposed to each other with the tapered member 41 positioned therebetween, the pivotal members 43, 44 being pivotally movable about respective pivots 45, 46. Each of the pivotal members 43, 44 has a plate body 43a, 44a, an upper contact face 43b, 44b formed on an upper portion of the body and in bearing contact with a tapered face of the tapered member 41, and a lower contact face 43c, 44c formed on a lower portion of the body and bearing on the upper surface of the disk member 42. The lower contact face 43c, 44c of each pivotal member is in the form of a circular-arc cam face centered about a center line positioned away from the axis of the pivot 45, 46.

Abstract: A fluid activated connecting pin removal tool, includes a body defining a first cavity adapted to receive a portion of a work piece and a second cavity positioned substantially perpendicular to and intersecting the first cavity. When a fluid activated cylinder is mounted to the body in a first orientation relative to the second cavity, expansion of the fluid activated cylinder results in a piston extending from the cylinder into the first cavity in which the work piece is positioned to exert a force upon a connecting pin connecting portions of the work piece. When the fluid activated cylinder is mounted to the body in a second orientation relative to the second cavity, the secondary cavity serves as a storage compartment for the fluid activated cylinder.

Abstract: A stepper mechanical drive system includes a carriage, a support for the carriage that permits the carriage to move bidirectionally along a travel direction, and a follower structure on the carriage, The follower structure has two ramp structures that each extends longitudinally along the travel direction of the carriage and includes a plurality of sawtooth ramp faces. An actuator structure is not on the carriage and is stationary relative to the travel direction of the carriage. The actuator structure has a pair of actuators, and each actuator includes an actuator arm having an actuator element thereon, wherein the actuator arm is movable so that the actuator element may be controllably contacted to at least one of the ramp structures, and a controllable actuator drive operable to move the actuator arm. Each actuator drive may also include a disengageable latch that disengagably retains the actuator arm in a selected position.

Abstract: In a hydraulic tensioner, a deairing valve unit comprising a synthetic resin ball guide, a check ball a biasing spring, a ball seat, and a retaining disc, is press-fit into a hollow plunger, and disposed adjacent the protruding end of the plunger. The ball and seat of the deairing valve unit are arranged to block flow of oil out of the tensioner when the oil is under pressure, but open to allow air to flow out of the tensioner, through a vent in the protruding end of the plunger, after a negative pressure condition occurs inside the oil chamber of the tensioner.

Abstract: An apparatus (20) for testing the co-efficient of friction of a road surface (78) of a road (79) including an electronic digital device (22) that senses through its sensor (75) the speed of a toothed sprocket wheel (71) and by which through the dropping of a frame (24) by means of a tripping mechanism (80) that trips upon a rotating motor (34) accelerating and by which a predetermined value in device (22) is reached by the speed of a tire flat (61) that strikes road surface (78).

Abstract: An advancing/retracting mechanism having a pair of cams is disclosed. The advancing/retracting mechanism includes a first cam, a second cam, and a barrel. The first cam includes an angled surface and a shoe, and the second cam includes an angled surface and a slider. The shoe engages with a helical surface in the barrel, and the slider engages with a straight surface in the barrel. The first cam travels a first distance along the longitudinal axis of the barrel from a first to a second state, and the second cam travels a second distance that is greater then the first distance along the longitudinal axis of the barrel from the first to the second state.

Abstract: A roller cam with pairs of sliding surfaces and wear plates located in an upper plane and with pairs of laterally slanted sliding surfaces and pairs of laterally slanted guiding wear plates located in a lower plane. The guiding wear plates are longitudinally contained between end plates to avoid using screws, which might loosen under stress, to secure the wear plates. Adjusting setscrews are used to laterally adjust the guiding wear plates, and positive return members are used to provide a tool retracting force in addition to that provided by a retracting spring.

Abstract: In a machine tool comprising a spindle mounting slide which is driven by a linear electric motor and which runs in a vertical direction in a slideway, the slide is equipped with a counterweighting device comprising an elastic element and a roller chain, the rigidity of the chain being less than the rigidity of the elastic element.

Abstract: A push button release apparatus for releasing a door of a vehicle has a housing secured to the door of the vehicle. The housing defines a cavity. A push button supported by the housing is slidable relative to the housing and moves between an inoperative location and an operative location. A cam device pivotally supported about a pivotal axis has a first termination defining a cam surface that cooperates with the push button and a second termination connected to a cable. When the push button is moved from the inoperative location toward the operative location the cam rotates about the pivotal axis and the second termination of the cam device moves, pulling the cable for releasing the door of the vehicle.

Abstract: A shift handle with a push button mechanism for shifting an automatic transmission in motor vehicles which includes the shaft handle, a push rod for the automatic transmission, the push button and elements for transmitting movement from the push button to the push rod. The push button is provided with a toothed rack engaging in the teeth of a toothed wheel which is mounted in the shift handle so as to be rotatable by a cylindrical pin. A tension spring is arranged in the push button. The push rod has a region with teeth engaging in the toothed wheel which is mounted so as to be rotatable.

Abstract: A positioning unit (1) includes an accelerating nanodrive (2), which has a resolution of at least ±10 nm, a slider (5) and a module (6, 7), which has a stationary component (6) and a component (7) movable for this purpose. The component (7) has a mass of less than 500 g and is movably supported relative to the drive (2). The slider (5) and the movable component (7) of the module (6, 7) are securely connected one to the other and the drive (2) can exert accelerations higher than 10 G.

Abstract: A portable cam and lever actuated press which utilizes the substantial force available from an air spring to actuate one or more lever arms. The substantial force available from an air spring and the specialty cam system provided allows the device to perform clinching, crimping, punching, stenciling, riveting, stamping, holding, or other operations which would normally be performed with much larger and heavier equipment when the proper punches and dies are installed onto the lever arms. The unit operates pneumatically without the need for hydraulics or hydraulically assisted components.

Abstract: A thrust converter includes reciprocation movement means 1; reciprocation-rotation conversion means 2 for converting reciprocating movement of the reciprocation movement means into rotational movement; rotation-reciprocation conversion means 7 for converting rotational movement of the reciprocation-rotation conversion means; and reaction-force receiving means 11 for supporting reaction force stemming from reciprocation movement of the rotation-reciprocation conversion means. Thrust imparted to the reciprocation movement means can be imparted to a load while being amplified or reduced, through employment of a compact and simple construction.

Abstract: An intelligent input push rod assembly for applying an input force from a brake pedal to a power booster of a brake system. The input push rod assembly includes a sensor that is capable of generating an electrical output having a magnitude that varies with the amount of force applied to the input push rod by the brake pedal. Preferably, the sensor generates an output voltage signal that is generally proportional to the input force applied to the input push rod. A shunt is provided so that springs associated with the sensor operate in a generally linear force-deflection operating range of the springs. The output signal generated by the sensor is applied to a brake light control system that is supported by the input push rod assembly. The brake light control system uses the signal generated by the sensor to determine whether the vehicle brake lights should be illuminated and also to cause direct illumination of the brake lights during a braking operation.

Abstract: A device for transferring a thrust, a fuel injection valve with such a device, and a method for manufacturing such a thrust transferring device. To transfer the thrust of an actuator, especially in an injection valve, mechanical tappets are used, which have substantially the shape of a cylinder whose defining surfaces are substantially triangular, with the corners rounded. By the great width of the tappet, broad contact areas are created so that friction during the transfer is reduced.

Abstract: A booster actuator 10 may be positioned between the solenoid 12 and a valve 14, and increases the energy output from the solenoid to activate the valve. The booster actuator 10 may include a force input member 28 and a force output member 30 each linearly movable with respect to a body 20 from an initial position to an activated position. A coil spring 46 biases the input member to the initial input position, while a plurality of disk springs 48 bias the output member 30 to the activated output position. A plurality of linking members 32 each pivotable with respect to the body normally retain the force output member in the initial position, but upon movement of the input member to the activated position release the force output member in response to the disk springs.

Abstract: A pneumatic linear actuator has a body (10), a chamber (14) in the body that is closed by the end heads (15), a piston (11) that is arranged in the chamber and moved by a fluid sent alternately to the ends of the piston, and a slide or carriage (13) that is movable on the body driven by the piston. A belt (20) is driven on pulleys (19, 21, 22) and connects the piston to the slide, so that a stroke and a velocity at least twice that of the slide correspond to the stroke of the piston.

Abstract: The braking mechanism comprises a toggle lever, a brake pad, and an incline. An incline actuates the braking mechanism by forcing an extension of the toggle lever. As the toggle lever extends, it pushes the brake pad closer to the surface to be slowed. Multiple toggle levers may be used to distribute the force across the brake pad. This configuration allows a single input from the incline to actuate both toggle levers. By adjusting the width of the incline actuating the toggle lever, the force on the brake pad may be adjusted.

Abstract: A positioning unit (1) includes an accelerating nanodrive (2), which has a resolution of at least ±10 nm, a slider (5) and a module (6, 7), which has a stationary component (6) and a component (7) movable for this purpose. The component (7) has a mass of less than 500 g and is movably supported relative to the drive (2). The slider (5) and the movable component (7) of the module (6, 7) are securely connected one to the other and the drive (2) can exert accelerations higher than 10 G.

Abstract: In a flat sliding gear drive formed of flat panel-shaped sliding elements (1), (2), with a first sliding element (1) connected to a motor and a second sliding element (2) connected to a variable load, the first and second sliding elements (1), (2) have interacting wedge surfaces which are curved for providing a uniform torque loading of the driving motor.

Abstract: An electromagnetic driving device for a mold clamping system is disclosed, which has a stationary plate fixedly mounted on a lathe bed; a mold guiding mechanism mounted parallel on the lathe bed; a movable plate slidably arranged on the mold guiding mechanism, facing the stationary plate, for generating a relative slide to the stationary plate; and a movable plate driving mechanism for driving the movable plate on the mold guiding mechanism. The electromagnetic driving device utilizes magnetic force to drive the linkage, movable plate etc. to perform open-mold movement, close-mold movement, and mold-locking movement.