Abstract: A thermal plate precipitation measurement system (300) and a method of operating the thermal plate precipitation measurement system (300) is provided. The thermal plate precipitation measurement system (300) includes a first thermal plate system (301A) with first and second thermal plates (302A, 303A) and a second thermal plate system (301B) with first and second thermal plates (302B, 303B). A precipitation rate can be determined by configuring the first and second thermal plates (302A, 303A) of the first thermal plate system (301A) at a first temperature and configuring the first and second thermal plates (302B, 303B) of the second thermal plate system (301B) at a second temperature different than the first temperature.

Abstract: A precipitation sensor including a cantilevered sensor member having a cantilevered portion and an upper and a lower surface extending on opposite sides of the cantilevered portion. The sensor member can receive falling precipitation on the upper surface and vibrate when struck by such precipitation. The cantilevered portion can have outer perimeter edges that are sloped downwardly for shedding the precipitation off the cantilevered portion. An electromechanical sensor can be incorporated with at least a part of the cantilevered portion of the sensor member for sensing the vibrations of the sensor member caused by the precipitation, and generating an electrical response from which precipitation properties can be determined. A support structure can be connected to the lower surface of the cantilevered portion at about a central region of the sensor member for supporting the sensor member. The cantilevered portion extends outwardly beyond the support structure.

Abstract: A resonator in the fluid for displacing the fluid has a sensing section and a non-sensing section. A compression contact member coupled to the mounting body compressively secures the resonator non-sensing section in a mounting body. The apparatus may further include a pressure feed through module received in the mounting body that is in signal communication with the resonator.

Abstract: A hydrogen sensor comprising: a substrate, a detection film which is formed on the substrate and is composed of a rare earth metal, a protection film which is formed on the detection film and is a dispersion of hydrogen-permeable metal particles in a ceramic material, and a pair of electrodes which is formed apart on the protection film and are electrically connected with the detection film via the protection film. The hydrogen-permeable metal particles are Pd, Pt, Nb, V and Ta and the preferable content thereof is 20 to 70% by mass. It is preferred that the resistance of the protection film between the electrodes is 10 to 100,000 ? and that the resistance of the detection film in the interelectrode direction is smaller than the resistance of the protection film in the interelectrode direction.

Abstract: A dust-proof structure for a measuring tool, includes: a case provided with an opening formed through a surface opposed to a protection plate thereof; a solar panel accommodated in the case through the opening of the case; an intermediate panel pressing an outer circumferential portion of the solar panel against a bottom wall of the case; a display device disposed at an inward portion of the intermediate panel and opposed to the solar panel with a gap; a cover attached to close the opening of the case; a screw used to secure the cover and the intermediate panel to the case; and a temporary-fixing unit disposed between the intermediate panel and the case, the temporary-fixing unit temporarily fixing the intermediate panel to the case while the outer circumferential portion of the solar panel is pressed against the bottom wall of the case.

Abstract: Systems and methods for an encoder and control scheme are provided. In one embodiment, a micro-electromechanical system (MEMS) device comprises: a stator having a first marker and a second marker arranged on a surface of the stator to form a sensing pattern; a sweeping element that dithers in a plane parallel to the surface of the stator along a sweep path that crosses the first marker and a second marker; an overlap sense circuit operable to measure an area overlap between the sweeping element and the sensing pattern, wherein the overlap sense circuit generates a pulse train signal output that varies as a function of the area overlap.

Abstract: Systems and methods for two degree of freedom dithering for micro-electromechanical system (MEMS) sensor calibration are provided. In one embodiment, a method for a device comprises forming a MEMS sensor layer, the MEMS sensor layer comprising a MEMS sensor and an in-plane rotator to rotate the MEMS sensor in the plane of the MEMS sensor layer. Further, the method comprises forming a first and second rotor layer and bonding the first rotor layer to a top surface and the second rotor layer to the bottom surface of the MEMS sensor layer, such that a first and second rotor portion of the first and second rotor layers connect to the MEMS sensor. Also, the method comprises separating the first and second rotor portions from the first and second rotor layers, wherein the first and second rotor portions and the MEMS sensor rotate about an in-plane axis of the MEMS sensor layer.

Abstract: A gyroscope having a vibrating structure, produced by micromachining in a thin planar wafer, said gyroscope including two symmetrical moving assemblies that are coupled by a coupling structure connecting the two assemblies so as to allow mechanical vibration energy to be transferred between them, each moving assembly including a first moving element connected to the coupling structure and able to vibrate with two degrees of freedom in orthogonal directions Ox and Oy of the plane of the wafer, and a second moving element adjacent the first moving element, capable of vibrating only in the Oy direction and connected to the first moving element via linkage means, wherein the linkage means allow the transmission, in phase opposition, to the second moving element of the vibration movement of the first moving element in the Oy direction.

Abstract: A micro-opto-electromechanical rotation rate sensor (MOERRS) device, in which a rotation rate sensor is associated with peripheral circuitry. The magnitude of the output signal of the MOERRS is adaptable to correspond to a range of mechanical stimuli to which the sensor is sensitive, in order to accommodate the signal magnitude to the dynamic range available in the MOERRS device. The signal emanating from the rotation rate sensor is facilitated to exploit the dynamic range of said MOERRS device, by modifying some properties of one or more items on the MOERRS.

Abstract: Disclosed herein is an inertial sensor. An inertial sensor 100 according to a preferred embodiment of the present invention is configured to include a plate-shaped membrane 110 on which a hole 200 penetrating in a thickness direction is formed, a mass body 120 disposed on a bottom of a central portion 113 of the membrane 110, and a post 130 disposed on a bottom of an edge 115 of the membrane 110 to support the membrane 110 and surrounding the mass body 120. By the configuration, the preferred embodiment of the present invention reduces damping force due to viscosity of air at the time of vibration by forming the hole 200 on the membrane 110 to increase displacement or amplitude of the mass body 120, thereby increasing sensitivity of the inertial sensor 100.

Abstract: The disclosure relates to a micromechanical rotary acceleration sensor including a substrate with at least one anchoring device and at least two flywheel masses. At least one of the flywheel masses is connected to at least one anchoring device by means of a coupling element. The at least one anchoring device is designed in such a manner that the at least two flywheel masses are elastically deflectable from a respective rest position about at least one axis of rotation. The at least two flywheel masses is designed in such a manner that they have different natural frequencies.

Abstract: A method including acquiring a current vibration signal of an engine component mechanical vibration across a set of a measuring period P of changes in shaft speed N; capturing the signal during the period P; synchronizing the signal relative to the changes in the speed N; transforming the signal into a frequency signal for obtaining frequency spectrum lines arranged according to the speed N; calculating the mean amplitude of the spectrum lines to obtain a current vibration signature for the engine; calculating a deviation ratio between the signature and a healthy reference vibration signature; and comparing the deviation ratio to the defect indicators in a predefined database, listing the theoretical damage to the roller engine bearings so as to determine potential damage to the roller bearing.

Abstract: Methods and apparatus for determining the speed of a signal species, such as an acoustic signal, in a multilayered medium is described. The multilayer medium, generally, has a first and second layer (e.g. oil and water), whereby first and second signals are transmitted across particular distances in the medium such that a second distance differs from a first distance, and whereby the time of flight of each signal can be used in order to determine the speed of the signals species in one or both of the first and second layer. In other words, in some cases, the speed of sound can be determined in oil and/or water, or the like.

Abstract: Embodiments contemplate methods and devices for conducting ultrasound interrogation of a medium. An ultrasound echo wave may be received at a first transducer element of a transducer array in a handheld probe. The ultrasound echo wave may also be received at a second transducer element of the transducer array. The ultrasound echo wave may also be received at a third transducer element of the transducer array. The handheld probe may process into digital data the ultrasound echo wave received at the first transducer element and the ultrasound echo wave received at the second transducer element. The processing may preclude data representative of the ultrasound echo wave received at the third transducer element from being included in the digital data. The processing may include reducing the digital data and the reduced digital data may be transmitted to a location relatively remote from the handheld probe.

Abstract: An ultrasonic probe and a method for the nondestructive testing of a test specimen are described, which are activatable individually or in groups as phased array for the emission or reception of ultrasonic plate waves in a predefinable propagation direction in the test specimen wall to be tested. At least one ultrasonic transducer segment with at least two segment parts emits an ultrasonic plate wave field into the test specimen and which are activatable jointly and simultaneously as a phased array. The at least two segment parts are arranged along a common plane so that the ultrasonic wave fields provided from or received by the at least two segments mutually overlap and each have a main propagation direction which encloses an acute angle ? in a projection of the plane.

Abstract: A vibration characteristic measuring apparatus includes a magnetic bearing that generates magnetic force on the rotating body of a multi-stage centrifugal compressor, a displacement sensor that measures the vibration amplitude of the rotating body, a current amplifier that supplies a current to the magnetic bearing, and an excitation controller which outputs an excitation control signal for applying vibration to the rotating body and which measures the response characteristics of the vibration of the rotating body to the excitation control signal. The excitation controller outputs a rotating body control signal obtained by adding a vibration eliminating signal for eliminating unbalance vibration of the rotating body to the excitation control signal when measuring the response characteristics, and the current amplifier supplies a current that generates magnetic force in accordance with the rotating body control signal to the magnetic bearing.

Abstract: A coaxial cable sensor device with periodic impedance discontinuities along the length of its cable. The cable comprises an inner conductor, insulating material disposed around the length of the inner conductor, and an outer conductor disposed around the insulating material. The periodic impedance discontinuities are created by physical deformations or material alterations to at least one of the inner conductor, the outer conductor, and the insulating material. The sensor device may be used to measure temperature, pressure, strain, and acoustic waves in building structures, and is well suited for down-hole or underwater applications.

Abstract: The invention relates to a nano electro- mechanical system (NEMS) formed on a substrate (21) and comprising at least one fixed part associated with the substrate and at least one movable part (23) in relation to the substrate, said system comprising transduction means (24) capable of exciting the movable part to confer on it a movement and/or to detect a movement of movable part, the transduction means comprising at least one electrically conductive material. The electrically conductive material is made of an AlSi alloy based deposition, said deposition being supported at least in part by the movable part of the system.

Abstract: A method and apparatus for non-destructively determining borehole stress parameters, that measures acoustic velocities in the rock formation. The apparatus or laser ultrasonic apparatus involving an acoustic signal generator and at least one interferometer sensing unit with shared reference is used to perform non-contact measurement. Horizontal and vertical stresses are evaluated in more than three angular directions (sometimes called azimuths) around the axis of the borehole using acoustoelastic principle. The magnitudes and directions of principal pristine stresses in the rock formation are derived from the measurement data by using closed-form solutions. Magnetometer is used to determine the angular direction of the stress measurement.

Abstract: A fiber optic sensor based on spiral structure is a multi-loop spiral member formed by spring wire. A plurality of deformation teeth are continuously distributed on the upper surface and the lower surface of the spring wire in a longitudinal direction along the spring wire; in two adjacent loops of the spring wire, the deformation teeth on the lower surface of the upper loop of the spring wire and the deformation teeth on the upper surface of the lower loop of the spring wire correspond to each other in a staggered way. A signal optical fiber is clamped between the deformation teeth on the lower surface of the upper loop of the spring wire and the deformation teeth on the upper surface of the lower loop of the spring wire, and connected to a test unit by a transmission optical fiber.

Abstract: An apparatus and method for providing a gradient strain to an extracellular matrix to induce mechanotransduction. The gradient strain can be produced by adhering the extracellular matrix to a post and the walls of a sample holder, and then rotating the post and the sample holder. This strain can result in increased stiffness of the extracellular matrix with very little loss of pore size.

Abstract: A torsion spring test jig adapted to assist a torsion spring to show different elastic statuses includes a bottom holder, a sliding element slidably mounted on the bottom holder and a plurality of hinge pin assemblies. The bottom holder includes a first modulating fastener having a first groove and a second modulating fastener having a second groove perpendicularly positioned under the first modulating fastener. An intersection of the first and second groove forms a first locating perforation. The sliding element includes a third modulating fastener having a third groove and a fourth modulating fastener having a fourth groove perpendicularly positioned under the third modulating fastener. An intersection of the third and fourth grooves forms a second locating perforation. The torsion spring are fastened between the first and second perforations through the hinge pin assemblies.

Abstract: [Problem] A flow rate measuring device in which guided waves are used, wherein the frequency of ultrasound is optimized; and energy injected from ultrasound transmission/reception elements is increased and the flow velocity sensitivity is raised; whereby the measurement accuracy is improved. [Solution] A frequency of an isolated peak of group velocities of guided waves, from among a plurality of peaks of group velocities of guided waves, and a resonance frequency of the ultrasound transmission element/reception element are set to agree; and the semi-amplitude of a power spectrum of ultrasound excited/received by the ultrasound transmission element/reception element is set to a value that does not overlap with another peak of group velocities.

Abstract: An ultrasonic flowmeter which can enhance measurement accuracy is provided, including ultrasonic transducers; a propagation time measurement block for measuring a propagation time elapsed before an ultrasonic wave transmitted from the ultrasonic transducer arrives at the ultrasonic transducer; a control block for determining a flow volume from the propagation time; correction calculation means for calculating a correction value based on characteristics of the ultrasonic transducers, a delay between transmission of an ultrasonic wave from the ultrasonic transducer and commencement of measurement of a propagation time, a delay between arrival of the ultrasonic wave at the receiving-side ultrasonic transducer and detection of the ultrasonic wave, and a difference between the measured and a true propagation times; and correction value selection means for selecting a correction value; and a propagation time correction block for correcting a propagation time.

Abstract: An ultrasonic flow sensor for use in a fluid medium is described. The ultrasonic flow sensor includes at least two ultrasonic converters which are situated in a flow tube offset relative to one another, longitudinally with respect to a flow of the fluid medium. The ultrasonic flow sensor also includes a reflection surface, the ultrasonic converters being set up to exchange ultrasonic signals via simple reflection on the reflection surface. In addition, a deflection device is provided between the ultrasonic converters which is set up to essentially suppress parasitic ultrasonic signals, which are reflected from the reflection surface and which strike the deflection device, by deflection away from the ultrasonic converters.

Abstract: Provided are an ultrasonic fluid-measuring apparatus and an ultrasonic fluid-measuring apparatus that can prevent the disturbance from occurring in the ultrasonic waves due to disturbance of a fluid. An ultrasonic fluid-measuring structure includes an ultrasonic measuring section adjacent to a channel member. The channel member includes a first ultrasonic wave input/output section and a second ultrasonic wave input/output section provided in a first side wall part, and a reflecting surface provided on an inner surface of the second side wall part. Further, it is configured so that the first ultrasonic wave input/output section and the second ultrasonic wave input/output section are adjacent to each other, and an ultrasonic wave transmission membrane through which the ultrasonic waves pass covers together both the first ultrasonic wave input/output section and the second ultrasonic wave input/output section.

Abstract: A capacitance pressure mapping system includes a plurality of sensor cells created by the intersection of electrode columns and rows, and a solid elastomer dielectric separating the electrode columns and rows. The elastomer is at least one planar sheet having a surface comprising a pattern of projections. The pattern of projections may include two or more different types of projections, for example projections of different shapes (geometries) and/or sizes (height, width).

Abstract: Embodiments of the invention generally provide an apparatus and method for decontaminating tubing. The invention is particularly suitable for decontaminating tubing in a test system used for certifying a filter in a containment system. In one embodiment, a test system for a containment system is provide that includes a sample system including equipment adapted for testing a filter disposed in a containment system utilizing samples obtained from a downstream sample port and a upstream sample port of the containment system, and a device for reversing a flow within the sample system. In another aspect of the invention, a method for decontaminating tubing is provided. In another embodiment, the method includes flowing a sterilization agent through tubing in a first direction and flowing the sterilization agent through tubing in a second direction.

Abstract: The automated sample extraction device is a device for the automatic extraction of chemical samples. The device includes a housing defining an open interior region. A rotating carousel is disposed within the housing, and a plurality of sample holders are mounted thereon. A plurality of sample storage tanks each contain a unique chemical sample, and a desired volume of at least one chemical sample is drawn from a respective one of the sample storage tanks to a respective at least one of the plurality of sample holders. The carousel is rotated so that the desired volume of the at least one chemical sample may be dispensed into a receptacle positioned adjacent the carousel. The at least one chemical sample may then be mixed, heated, cooled, shaken and/or vibrated within the receptacle prior to dispensing.

Abstract: A testing device for testing of rivets is provided. The testing device includes a first holding element and a second holding element that can be driven toward the first holding element to cooperatively define at least one hole on which at least one type of rivet can be installed. The second holding element also can be driven to separate from the first holding element to release the installed rivets for analyses.

Abstract: A data management computer for a sample measuring apparatus is disclosed. The computer comprises a data storage, a display section; an input device; and a controller. The data storage stores results of measurements for a sample obtained by the sample measuring apparatus, the measurements including an initial measurement for a sample and a secondary measurement which is performed on the sample following the initial measurement. The controller is programmed to cause the display section to display a first result screen which shows a result of the initial measurement for a sample, receive a predefined operation by use of the input device while displaying the first result screen, and cause the display section to display, in a response to the predefined operation, a second result screen which shows a result of the secondary measurement for the sample.

Abstract: A probe system, including: a connector apparatus; a treatment chamber part having at least one treatment medium supply line communicating with the treatment chamber; a measuring head seated so as to be axially shiftable, and a treatment position, wherein the immersion tube, on its connector apparatus-side front end, has a front-end closed, protective cylinder, and is arranged in a section of the immersion tube, so that, in the measuring position of the immersion tube, the measuring head is contactable via perforations with the process medium, and in the treatment position of the immersion tube, is contactable with the treatment medium; and a drive system for axial shifting of the immersion tube, arranged on the end region of the probe system facing away from the connector apparatus. The treatment chamber part is surrounded by a support structure connected with the connector apparatus and with the drive system.

Abstract: A drive device in a windshield wiper unit comprises a crank arm (4), which is connected via a connecting element (5) made of plastic to a wiper shaft (3). The connecting element (5) is molded both to the crank arm (4) and to a connecting section (3A) of the wiper shaft (3), wherein the crank arm (4) is only connected via the connecting element (5) to the wiper shaft (3).

Abstract: A Double-Acting Scotch Yoke (DASY) assembly includes a first yoke; a second yoke attached to the first yoke at a first flat-to-flat interface; a first piston attached to the first yoke at a second flat-to-flat interface; and a second, opposing piston attached to the second yoke at a third flat-to-flat interface. The planes of all of the flat-to-flat interfaces are perpendicular to a common, center axis of the first and second pistons. An X-engine crank train includes a plurality of DASY assemblies.

Abstract: The present invention relates to a device and method for converting circular motion, including: a drive part rotated by a power means; an eccentric cam disposed at one side of the drive part to perform the eccentric rotary motion; a connection rod connected at one side thereof to the eccentric cam in such a manner as to be operated cooperatively along with the motion of the eccentric cam and to perform the linear reciprocating motion, the connection rod being extended forwardly; and motion conversion members rotatably fixed at one sides thereof to a body by means of a hinge shaft and having drive grooves formed thereon in such a manner as to be connectedly fastened to the connection rod to allow the connection rod to be moved along the drive grooves, thereby performing the circular arc motion.

Abstract: A transmission includes a transmission housing, a dual clutch assembly, a first through seven gear sets, a first transmission input shaft member rotatably supported in the transmission housing, a second transmission input shaft member rotatably supported in the transmission housing, a first countershaft rotatably supported within the transmission housing and spaced apart from and parallel with the first and second transmission input shaft members, a second countershaft rotatably supported within the transmission housing and spaced apart from and parallel with the first and second transmission input shaft members and five synchronizer assemblies each for selectively coupling at least one of the gears of the gear sets with at least one of the first countershaft and the second countershaft. The dual clutch assembly and the synchronizer assemblies are operable to achieve at least eight forward speed ratios and a reverse speed ratio between an input member and output member.

Abstract: A transmission includes an input member, an output member, first and second transmission input shafts, first and second countershafts, a plurality of co-planar gear sets and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and eight forward speed ratios between the input member and the output member.

Abstract: A fan gear drive system includes a torque frame having a base with integrated gear shafts circumferentially spaced relative to one another. Each shaft provides a shaft axis. A bearing assembly is mounted on each of the gear shafts and provides a bearing assembly. The bearing assembly includes a spherical bearing configured to permit angular movement of the bearing axis relative to the shaft axis.

Abstract: A gear housing for a motor is fixed to a motor main body driving a rotary shaft. The gear housing contains a worm wheel and a worm connected to the rotary shaft. Three mounting feet to be fixed to a mounting member are formed at intervals and protrude from a first side surface of the gear housing. A bulge portion bulges outward on the first side surface of the gear housing to expand the internal space. The bulge portion has side walls, which are installed to protrude from the outer side surface constituting the side walls of the bulge portion, and an upper wall, which connects the distal ends in the protruding direction of the side walls. The three mounting feet are connected by the side walls and the upper wall.

Abstract: Modular pumps comprising universal gearboxes and crank units and associated methods.

Abstract: A steering gear comprises a shaft bearing configuration which comprises a mounting which is installed in a housing section of the steering gear and has openings that enable a pivoting movement by an annular section of the mounting which is assembled with a first rolling bearing, and the mounting comprises a disk-shaped section, which is provided with the openings and relative to which the annular section can be pivoted, wherein the annular section is either assembled with the outer ring of the first rolling bearing and the disk-shaped section is attached to the housing section, or the annular section is assembled with the inner ring of the first rolling bearing and the disk-shaped section is attached to the shaft.

Abstract: A method for making a robot pivot arm assembly includes forming from a rigid, machinable material a circular disk, and forming a circular aperture through the center of the disk. An outer bearing track is formed integrally in the inside surface which defines the aperture, and the apertured disk is positioned in a machining device with a fixturing portion that engages the outer bearing track. An integral outer race, an arm and a gear segment with teeth are then machined into the disk to form the outer portion of the pivot arm assembly. An inner race with an inner bearing track is positioned inside the integral outer race, and rolling bearing elements are inserted into the first and second bearing tracks.

Abstract: A manual device for controlling brake and accelerator of a vehicle, a device having a body coupled with the vehicle and remaining substantially standstill while the device is used. The device includes a first lever provided with an upper handgrip projecting from inside the body and movable independently with respect to the same, a second lever and a third lever and a frame the first lever being pivoted on the frame in a substantially central position.

Abstract: A mechanism for actuating a transmission having shifting elements. A self-holding valve device is movable into a first position, by a pilot pressure, against a force directed to a second position and held by a pressure holding signal in the first position. Transmission of a pressure signal, to a switching valve, is blocked by the self-holding valve device in the first position but, in the second position, is applied to the switching valve. When the driver sets the switching valve to a first shift position, the pressure signal can be applied to valve devices of at least two of the shifting elements that produce an actuating pressure and, in a second shift position of the switching valve, the onward transmission of the pressure signal, to the valve devices of the shifting elements that produce an actuating pressure, is blocked in the area of the switching valve.

Abstract: A hydraulic arrangement by which a plurality of shift rails of a transmission are actuated, including one double acting cylinder per shift rail by which the respective shift rail can be moved back and forth. A first hydraulic valve is connected upstream of the plurality of shift rails and has a first output and a second output, by which a first shift pressure and a second shift pressure for actuating the shift rails can be provided. A second hydraulic valve is connected between the first hydraulic valve and two of the shift rails, and by which it is selectively possible for the first output of the first hydraulic valve to be associated with one of the double acting cylinders of the two shift rails, and the second output of the first hydraulic valve to be associated with the other double acting cylinder of the two shift rails.

Abstract: The invention relates to a transmission actuator for actuating a manual transmission in an automated manner, comprising a lane selection actuating cylinder (1) for selecting a shift lane (8, 9, 10, 11) and a gear selection actuating cylinder (2) for engaging a gear (12, 13, 14, 15, 16, 17, 18) in a shift lane (8, 9, 10, 11). Starting therefrom, a transmission actuator for actuating a manual transmission in an automated manner is specified, wherein a plurality of defined positions can are reachable with little design effort. For this purpose, the lane selection actuating cylinder (1) or a component (6) that can be moved by the lane selection actuating cylinder (1) can be automatically fixed in at least one predetermined locking position (19) by means of a locking device (28, 29, 30).

Abstract: A speed adjusting device of a speed changer being used in a middle speed changer and a rear speed changer of a bicycle, and contains: a base including a first hole fixed on a central portion thereof to insert a first central spindle, and a holder and a fitting member both of which extend from a front end of the base to connect with an adjusting loop, and the fitting member including a ring member fitted thereon; an adjusting loop including a plurality of first screw bores to lock a front cover and a second hole disposed on a central position thereof to receive the first ratchet, the first actuating lever, the ring member, and the hook, the second hole including a groove fixed at a suitable position of an outer side thereof; a front cover including a first orifice formed on a central portion thereof to insert a first screw.

Abstract: A shifter is fixed on a handle of a bicycle and connected with a rear speed changer of a cable and contains: a body, a first bar, and a speed changing mechanism, the body including the first bar, a chamber to receive the speed changing mechanism, and two tabs, and each tab including a first hole, and the body including a first aperture arranged on a top end thereof and communicating with the chamber to insert the cable into the chamber via the first aperture so as to connect with a first seat, the body including a first retaining ring, the chamber including a first positioning pillar, an axial shaft, a second aperture, and a first returning spring, the first positioning pillar being provided to fix a first fixing piece in the chamber, and the axial shaft being used to axially position a first hook in the chamber.

Abstract: A device (1) for moving and positioning a member in space has a mobile member (2), first and second members (3, 4) attached to a frame (32), and first and second carriages (5, 6) slidable along the members (3, 4). A first pair of arms (7, 8) are hinged to the first carriage and to the mobile member, forming a first four-bar linkage. A second pair of arms (10, 11) are hinged to the second carriage (6) and to the mobile member, forming a second four-bar linkage. A third pair of arms (14, 15) are hinged to a third member (13) and to the mobile member (2), forming a third four-bar linkage. A fourth member (17) which is hinged to the frame (3, 4, 19, 32) of the device (1) rotatably bears the third member (13), with a first actuator (18) provided for moving the fourth member (17).

Abstract: A jointed arm has an upper arm member joined to a second shoulder member, a first forearm member joined to the upper arm member by a first bending and stretching mechanism, and a wrist member joined to the first forearm member by a second bending and stretching mechanism, the first forearm member has a first turning mechanism that rotates the second bending and stretching mechanism, a hand section is joined to the wrist member by a second turning mechanism, and the rotation axes of the first and second turning mechanisms are offset. The upper arm member has a housing recessed portion that houses part of the first forearm member, part of the first turning mechanism, and part of the second bending and stretching mechanism in a state in which the first forearm member bends toward the upper arm member and the wrist member bends toward the first forearm member.