Abstract: A method for knitting a cable pattern into a tubular knitted fabric with high productivity is disclosed. Two groups of knitting stitches to be crossed are arranged in alignment on one needle bed and crossed when they are transferred to another needle bed, and these crossed groups of knitting stitches are securely hooked onto front and back needle beds so as to form a cable pattern in a portion extending over both needle beds.

Abstract: Disclosed is a washing machine comprising a heating tank accommodating the washing and washing water; a heating part heating the washing water in the heating tank; and a circulation pump circulating the washing water in the heating tank. With this configuration, the present invention provides the circulation pump circulating washing water in the heating tank, thereby preventing the washing from oxidizing, improving a washing efficiency especially improving a washing efficiency according to washing material, and saving washing water. Further, water supply and drain can be easily performed.

Abstract: An anti-theft device for deterring unauthorized removal of an electric trolling motor from a vessel. The device is adapted to secure a trolling motor's control shaft and motor assembly to the trolling motor mount or directly to the vessel. The device includes only a clevis pin, a clevis and a padlock, the device is compact in design and easy to use. A uniquely designed hasp is employed in some instances to accomplish proper attachment of the anti-theft device. The hasp is secured directly to the hull or deck of the vessel.

Abstract: Several methods of forming angled orifices in a metal sheet are described in which an angled orifice can be formed from a preformed right-angled orifice. Each angled orifice has an oblique axis relative to at least one of a first surface and a second surface of a metal sheet. One of the methods can be achieved by punching the metal sheet in a first direction along a first axis perpendicular to one of the first and second surfaces of the metal sheet with a first tool piece so as to form a first orifice, the first orifice defining an opening having wall surfaces parallel to the first axis; and punching the metal sheet with the first tool piece proximate the first orifice in the first direction along a second axis parallel and offset to the first axis so as to form a first wall surface of the first orifice extending between the first and second surfaces of the metal sheet oblique to the first axis.

Abstract: A detector for a meter prover. The detector includes a non-ferromagnetic barrel having a cylindrical bore formed longitudinally therethrough. A magnetic proximity switch is mounted in the bore near one end of the barrel. A ferromagnetic piston is disposed in the bore near the other end of the barrel. A spring urges the piston away from the proximity switch. A pair of wipers surrounds the piston and forms a fluid tight seat between the bore and the piston. A passageway extends longitudinally through the length of the piston in order to permit fluid flow therethrough.

Abstract: A device and a method, which, upon triggering of the restraint devices via a control device, allow a systematic testing of the triggering characteristics of restraint devices in a motor vehicle under conditions as realistic as possible. For that purpose, the device includes an ambiency simulator, connectable to the control device, for stipulating defined peripheral states, an acceleration device for accelerating the control device, a detector for recording the triggering characteristics of the restraint devices in response to acceleration of the control device, and an evaluator for evaluating the recorded triggering characteristics. In accordance with the method, the control device is programmed for a particular constellation of restraint devices. A defined peripheral state is predefined for the control device thus programmed with the aid of an ambiency simulator. The control device is then accelerated, in this manner provoking a triggering of the restraint devices.

Abstract: A knock detection apparatus for an internal combustion engine is provided which accurately distinguishes knock from noise even when noise having a frequency component identical to a knock frequency component is superposed on an ion current signal.

Abstract: A porosimeter includes a pressurizable sample chamber with a membrane located directly below the sample. The membrane pores have a smaller size than any of the sample pores of interest. A fluid reservoir is located below the membrane such that the reservoir and the membrane form a seal. In operation, as fluid enters the fluid reservoir through the membrane or a reservoir inlet, fluid already in the fluid reservoir is displaced through a reservoir exit. An inlet in a fluid displacement reservoir receives the fluid displaced from the fluid reservoir. A recirculation line receives fluid from the exit of the fluid displacement reservoir and circulates the fluid into the inlet of the fluid reservoir. In a preferred embodiment, a pump recirculates the fluid through the recirculation line. Fluid returned to the reservoir circulates over the bottom of the membrane, and sweeps air bubbles out of the reservoir.

Abstract: An apparatus for permanently or semi-permanently fitting to an underground water pipe 15,16 for detecting leaks therein, comprises a hydrophone 26 mounted to acoustically monitor water flowing along the pipe 15,16 and means 29 for analyzing a parameter of the output signal of the hydrophone 26 and for generating an alarm signal, in the event that the parameter is above a maximum value or below a minimum value. The apparatus further comprises a radio transmitter for transmitting the alarm signal to a remote receiver, so as to indicate the detection of a leak. The maximum and minimum values are preferably calculated using historical data obtained from the hydrophone 26, so that the values are automatically adjusted to suit location of the apparatus. In use, a plurality of leak detection apparatus can be installed to pipes at various locations around a geographical area of supply.

Abstract: An oil pressure signal output device which is easy to be integrated with an additional EPC valve and can be manipulated inside/outside a driver's cab. The device makes it possible to reduce the occupied area of hydraulic apparatuses in the driver's cab and to extend a space other than that of hydraulic apparatuses. In the device: the manual oil pressure signal output device for controlling a first hydraulic apparatus, the first electric oil pressure signal output device and the selecting output means are integrated; a second electric oil pressure signal output device for controlling a second hydraulic apparatus abuts against the first electric oil pressure signal output device is removably provided.

Abstract: A method and apparatus for measuring effects of various conditions on deposit build up in an exhaust gas recirculation system. The apparatus includes a testing jig having a main branch, a test branch, and a control branch. The test and control branches are connected, at an inlet and outlet, to the main branch. Each branch includes a flow control valve so that fluid flow through the test branch can be equalized with fluid flow through the control branch. A parameter of interest, such as temperature, oil, or humidity, in the test branch is modified, and the jig is connected to an engine exhaust, and the flows are equalized. Pressures and temperatures at various points in the jig are monitored and, after a predetermined period of time or when a pressure drop is sensed, the test is complete and the deposits in the test branch are compared with those in the control branch to determine the effect of the altered parameter.

Abstract: In an estimation apparatus of an air intake flow for an internal combustion engine, an air intake flow rate fed into a portion just upstream of an intake valve at a predetermined timing before starting of fuel injection is calculated based on an output of an air flow meter. A variance in the air intake flow rate caused by the change in the intake pressure at the portion just upstream of the intake vale at the predetermined timing is calculated based on an output of a pressure sensor. The calculated air intake flow rate is added to the variance to obtain an air intake flow rate fed into a cylinder at the predetermined timing. The air intake flow rate fed into the cylinder is corrected to an air intake flow rate required for estimating an actual air intake flow based on an amount of change in the air intake flow rate fed into the cylinder at the predetermined timing.

Abstract: In a brake device for vehicle brake systems, having at least one pressure sensor for measuring the brake pressure and having an electronic control unit for evaluating measured values and generating control signals, for the sake of simplified fully automatic assembly of the brake device, the electronic control unit is accommodated in a housing fitted over the at least one pressure sensor and establishes the electrical connection between the pressure sensor and the electronic control unit by means of spring contact pins, which are braced with spring force on their face ends on opposed contact faces associated with the pressure sensor and the electronic control unit.

Abstract: A hand-held probe (10) for measuring a tire tread profile comprises a housing (20) with a slit (64) formed parallel to its major axis, a range finder (70) mounted inside the housing (20) in such a way that it can traverse much of the length of the tube while directing light from a laser through a window (60) and onto a tire surface, a bracket (50) that is carried by the proximal end of the tube to enable the user to hold the probe (10) in position against the tire, a serial port (32) for connection with a computer (40), and a handle (30) that houses the batteries for operation and an IR or RF transmitter. The IR or RF transmitter is for transmitting the tire tread profile wirelessly to a computer suitably equipped to receive IR or RF transmissions.

Abstract: A magnetostrictive precipitation gage includes a catch tube having an upper opening configured to receive precipitation therein. A vertical magnetostrictive rod and corresponding magnetic float linearly displaceable thereon are used to determine the fluid level within the catch tube. More particularly, as the fluid level fluctuates in the catch tube, so will the vertical position of the float, which interacts magnetically with the magnetostrictive rod. Accordingly, the vertical position of the float may be detected to determine the fluid level within the catch tube, and calculations regarding precipitation may be performed.

Abstract: Projecting ends of terminal conductors projecting out of a thick portion of a holder and electrode terminals of a flow rate detecting element are electrically connected by bonding wires. A peripheral wall member is secured by an adhesive to a thin portion of the holder and the flow rate detecting element so as to surround the electrical connection portions between the projecting ends and the bonding wires and between the electrode terminals and the bonding wires. A gel is formed so as to seal the electrical connection portions, and a rubber is injected into and cured inside the peripheral wall member so as to seal the gel.

Abstract: A liquid meter body including a plastic material bucket 1 which includes a lower portion 3 delimited by a bottom 9 end by a lower side wall 10 and a cylindrical upper portion 4 delimited by an upper side wall. The upper side wall joins onto the lower side wall at a shoulder 5. The lower portion 3 defines a housing 2 for a measuring chamber. The meter body further comprises entry and exit tubes 6, 7, the tubes having an external thread, the interior of the tubes opening into the housing 2 of the measuring chamber via a bore formed in the lower side wall 10 and respectively forming an injector 11 and an ejector 12. The meter body has an elliptical bottom 9. The bores forming the injector 11 and the ejector 12 are elliptical.

Abstract: An electrical current is passed through a thermistor to raise its temperature above the temperature of oil flowing in pulses past the thermistor. A change is measured in the temperature of the thermistor occurring with respect to one or more of the pulses. A level of oil flow is determined corresponding to the measured change in temperature. A signal is issued based on the determined flow level.

Abstract: A means for determining the concentration of a hydrogen-rich fuel in a fuel solution within the anode reservoir of a fuel cell. The fuel concentration is determined using a float responsive to fuel solution density. As fuel is consumed, the fuel concentration decreases. As the fuel concentration decreases, the density of the fuel solution increases, causing the float to rise. A window may be included in the anode reservoir or in an attached float chamber to facilitate inspection of the position of the float. A fuel scale may be included to facilitate fuel concentration determination based on the position of the float within the fuel solution. Additionally, a valve responsive to float position may act to control fuel delivery.

Abstract: A method and system for balancing a rotating machinery that operates at or near resonance during its normal operating speed, and which has three separate shafts whose axes of rotations are not aligned along a common axis of rotation and counterweights connected near the ends of each of the shafts. The method includes obtaining speed and vibration data, by mounting velocity transducers on the machine's inner frame and outer casing. A data acquisition system is used to collect and analyze the speed and vibration data for steady state and transient operations. The method further includes adjusting the counterweights using a predetermined rotor influence coefficient determined experimentally using the same setup of transducers, to reduce vibrations below an acceptable level. The data is collected from measurement locations where the number and positions of the measurement locations are less than and different from the number and locations of the correction planes.

Abstract: The present invention provides a micro inertia sensor and a method of manufacturing the same, the micro inertia sensor includes a lower glass substrate; a lower silicon including a first border, a first fixed point and a side movement sensing structure; an upper silicon including a second border, a second fixed point being connected to a via hole, in which a metal wiring is formed, on an upper side, and an sensing electrode, which correspond to the first border, the first fixed point and the side movement sensing structure; a bonded layer by a eutectic bonding between the upper silicon and the lower silicon; and a upper glass substrate, being positioned on an upper portion of the upper silicon, for providing the via hole on which an electric conduction wiring is formed, thereby aiming at the miniaturization of the product and the simplification of the process.

Abstract: A highly sensitive accelerometer for determining the acceleration of a structure includes a mass within a housing suspended by opposing support members. The support members are alternately wound around a pair of fixed mandrels and the mass in a push pull arrangement. At least a portion of one of the support members comprises a transducer capable measuring the displacement of the mass within the housing. An embodiment of the invention employs optical fiber coils as the support members for use in interferometric sensing processes. Arrays of such interferometer based accelerometers may be multiplexed using known techniques.

Abstract: An acceleration-sensing system for sensing acceleration in a three-dimensional manner is proposed. The acceleration-sensing system includes a first acceleration-sensing unit for sensing acceleration in a two-dimensional manner along first and second directions that are perpendicular to each other and a second acceleration-sensing unit for sensing acceleration in a one-dimensional manner along at least another direction that is perpendicular to the first and second directions.

Abstract: There is described a method and apparatus for measuring temperature of a fluid in a microchannel of the type having spaced walls. An ultrasonic transducer transmits ultrasonic waves transmitted from one wall to the opposite wall. A processor determines the time-of-flight of the ultrasonic waves from the one wall and reflected to the opposite wall to the one wall. The processor converts the time-of-flight to velocity by dividing the distance between walls by the time-of-flight. The processor converts velocity to temperature from the relationship of velocity to temperature in the fluid.

Abstract: A method for inspecting a component includes exciting a number of transducers forming an array to produce an ultrasonic transmission beam (beam) focused into the component. The array and the component are separated by a standoff. A number of echo signals are generated using the transducers, and the echo signals are processed in a number of channels. The processing includes both dynamical focus and providing a dynamic aperture on receive, both of which compensate for refraction of the beam at the component/standoff interface. A single-turn inspection method includes: (a) positioning the array facing the component, (b) exciting the transducers, (c) generating a number of echo signals, (d) changing the relative angular orientation of the array and the component around an axis and repeating steps (b) and (c), and (e) processing the echo signals to form at least one processed echo signal.

Abstract: A damage evaluation method and apparatus of a metal material which is capable of determining whether a flaw in the metal sample is originated by the creep damage or in the manufacturing process, and also capable of estimating a remaining life of the metal component. The damage evaluation method of a metal material by the present invention is a method for evaluating a flaw in the metal sample comprising the steps of mounting onto a metal surface including an internal flaw and on both sides of the flaw a transmitting probe for transmitting an ultrasonic waves and a receiving probe for receiving the ultrasonic waves, transmitting the ultrasonic waves towards the internal flaw and receiving the diffracted wave from the flaw for determining whether or not a flaw is present in the metal, based on the analysis of the distribution of the diffracted waves and an analysis of the sample as to whether voids (creep voids) are present and, if present, the distribution of the voids.

Abstract: A capacitive pressure sensor for measuring a pressure applied to an elastic member includes a capacitive plate disposed adjacent to the elastic member so as to define a gap between a planar conductive surface of the elastic member and a corresponding planar surface of the capacitive plate. The gap, capacitive plate and elastic member together define a capacitor having a characteristic capacitance. The sensor further includes an elongated electrical conductor characterized by an associated inductance value. The conductor is fixedly attached to and electrically coupled with the capacitive plate. The gap between the capacitive plate and the elastic member varies as a predetermined function of the pressure applied to the elastic member so as to vary the characteristic capacitance. The capacitor and the electrical conductor together form an electrical resonator having a characteristic resonant frequency. Varying the capacitance of this tank circuit varies the resonant frequency of the tank circuit.

Abstract: A semiconductor pressure sensor is presented. The pressure sensor includes a silicon substrate with a diaphragm that produces a distortion depending on the pressure. Strain gauges are provided on the main surface side of the silicon substrate with the diaphragm and are formed by conductive diffusion resistors different from the substrate. A getter is provided on the main surface side of the silicon substrate including the periphery of the strain gauges adjacent to the strain gauges. The getter includes the PN-junction area to which reverse bias is impressed so that the metal impurities of at least an Fe atom that are contained in the silicon substrate may be captured.

Abstract: A diaphragm-type semiconductor pressure sensor includes a substantially rectangular (110) semiconductor substrate, which has four sides, an active surface of (110) crystallographic face orientation, and a back surface, which is opposite to the active surface, of (110) crystallographic face orientation. Each of the surfaces is surrounded by the four sides. Each of the four sides is at an angle of substantially 45 degrees with a crystallographic axis of <110> orientation that is substantially parallel to the active surface. The substrate includes a diaphragm in the active surface. The diaphragm has been formed by forming a recess in the back surface. The diaphragm includes a gauge resistor. A pressure is detected on the basis of the variation in the resistance of the gauge resistor.

Abstract: An electromagnetic flowmeter for measuring a flow rate in lines for conveying and distributing electrically conducting liquids, comprising a flowmeter body forming a substantially cylindrical open ended chamber, delimited by side walls of electrically insulating material. The flowmeter body accommodates a pair of facing electrodes arranged at diametrically opposite regions of said chamber and a magnetic field generator generating induction lines orientated at right angles to a line connecting the electrodes and to the chamber axis. The electrodes can be connected to a measuring device for measuring the potential difference induced between the electrodes by the fluid flow in the presence of said magnetic field. Two sleeves on the flowmeter body provide an extension of the chamber ends. The sleeves are flexible and fit hermetically over two duct portions along which the flow-rate is to be measured.

Abstract: A flow sensor for an analytical instrument. The flow sensor can be used to detect the flow of a fluid such as purge gas in the instrument. The sensor can measure the fluid flow at an opening of the instrument enclosure. The sensor has first and second differential pressure switches connected in series. The sensor has a sealed chamber which is in the opening. Bordering the sealed chamber are first and second restrictors through which the fluid can flow. A sensing tube transfers the pressure in the sealed chamber to the first and second switches.

Abstract: A flowmeter for sensing fluid flow. The flowmeter includes a housing including a first port, a second port, a chamber in fluid communication with the first port and the second port, and a fluid passageway extending from the first port to the second port. An impeller having a non-magnetized metal pole piece is located within the chamber of the housing and is rotatable about an axis in response to fluid flow through the fluid passageway. A Hall Effect sensor and a magnet are located outside of the fluid passageway. The magnetic field generated by the magnet enables the Hall Effect sensor to sense rotation of the impeller and thereby the rate of fluid flow through the fluid passageway.

Abstract: A load cell includes a strain gage on a narrow sensing section of a beam element, on a planar outer surface facing outwardly from the median plane extending longitudinally through the cell. A cup-shaped seal cap enclosing the strain gage is laser welded onto the outer surface of the beam element to form a hermetic seal. A wiring tunnel in the load cell body leads from inside the seal cap into an electronics cavity for wires to pass from the strain gage to electronic circuitry. The load cell body and seal caps, made of stainless steel or titanium, are hermetically sealed for use in harsh environments. The seal caps have a minimal influence on strain in the sensing sections. The load cell has a low-end capacity of 5 kg or less.

Abstract: The invention relates to an arrangement for transporting and inspecting semiconductor substrates (6), having at least three workstations (8, 10, 12), a changer (14), which has at least three arms (14a, 14b, 14c) which are designed to load the individual workstations (8, 10, 12) with semiconductor substrates (6). A measuring device (15) is assigned to the second workstation (10), determines the deviation of the current position of the semiconductor substrate (6) and makes it available to the arrangement (3) for the further inspection of the semiconductor substrate (6). In addition, the changer (14) is not equipped with means for exact positioning of the semiconductor substrates (6) in the workstations (8, 10, 12).

Abstract: An apparatus and a method for controlling the path of oscillatory travel of a device within a two-axis system. A device, such as a camera, is held in a two axis gimbal system having motors for driving the azimuth and pitch axes. A two degree-of-freedom gyroscope is fixed to the case of the device. A first derivative circuit is interposed between a first input port for a loop for controlling device movement with respect to a first axis and a second input port for a loop for controlling device movement with respect to a second axis. Likewise, a second derivative circuit is interposed between the two input ports so that a periodic signal driving with respect to one axis generates a derivative function for driving with respect to the cross-axis. The cross axis signal is scaled to counteract the direct torquing of the gyro rotor that otherwise prevents smooth oscillatory slewing or scanning by the device.

Abstract: An engine starting apparatus includes a starter motor rotating when the engine is started, a wedge roller speed reduction mechanism adapted to output a rotation of the starter motor from an output shaft at a reduced speed and to cut off power transmission between the starter motor and the output shaft when the rotational speed of the output shaft exceeds the reduced speed, a pinion gear provided on the output shaft in such a manner as to rotate together with the output shaft and to move axially over the output shaft between an engagement position where the drive gear is mesh engaged with a ring gear and a disengagement position where the pinion gear is disengaged with the ring gear, and a magnet switch for driving the pinion gear to the engagement position when the engine is started and to the disengagement position after the engine has been started.

Abstract: A reciprocal force outputting mechanism having a body having a slide slot that contains a slide block, thereby providing for the linear, reciprocal movement of the slide block within the slide slot. The slide block has an elongated opening formed centrally and a row of teeth are disposed along each of the two facing sides the said elongated opening, with a stem extending from one end of the said slide block inserted through a guide hole of the body. A fan-shaped gear is secured onto a power output shaft that rotates it. When the fan-shaped gear revolves and its teeth are respectively enmeshed with a row of teeth, the slide block is brought into reciprocal motion, causing the reciprocal movement of the stem which serves as a means of outputting force.

Abstract: A device for the sequential control of a gearbox with hand-operated selection and engagement of gears for motor vehicles, the gearbox including a plurality of forks (1) for actuating corresponding groups of gearwheels, comprises: a rotatable drum (11) equipped with one cam groove (12); a plurality of studs (13) engaging in the cam groove (12) for being moved parallel to the axis of the drum (11); an angle selector (15, 16) for controlling rotation of the drum (11); actuating members (2, 3, 4, 7, 9) each connecting a stud (13) to a respective fork (1) so as to cause each fork to translate axially fast with the respective stud (13). The actuating members comprise first (3, 4) and second (7, 9) axially mobile elements, wherein each first mobile element is fast for translation with a rod (2) connected to a respective fork (1) and each second mobile element is fast for translation with a respective stud (13) and a respective first mobile element.

Abstract: A transmission between a drive member and a drive shaft (1) of an automotive engine comprising, in a housing (2), a friction clutch constituted by at least one rotatable driving element (3) and at least one driven element coming into bearing contact with variable gripping to obtain a variation of the couple transmitted to the output shaft (1) under the action of a control device that at least partially projects from the housing (2). The control device is automatically actuated by two separate inertial forces, one, generated by the driver of the engine, tending to bring together the drive element (3) and the driven element when the resistance to forward movement of the engine increases, the other, generated by the mass of the engine tending to uncouple the drive element (3) and driven element when the resistance to advance of the engine decreases.

Abstract: A gear stage assembly having a gear stage with two meshing gearwheels for mechanically transmitting a torque includes individual magnets arranged in the form of a ring on each of the gearwheels in a manner corresponding to that of the teeth of the gearwheels, for producing magnetic forces in the gear stage, individual magnets of respective ones of the magnets formed in a ring being arranged with alternating polarity in the direction of rotation and forming a stage of magnets in a ring disposed parallel to the gear stage, for producing a preload torque in the gear stage; and a varnishing unit including the gear stage assembly.

Abstract: A driving apparatus is disclosed for driving a driven device such as a lifting mechanism (8) for moving up and down a windowpane (9). The driving apparatus comprises a motor (5) including a rotating shaft (13), and an output unit (6; 80) coupled to the motor. The output unit comprises a decelerating mechanism (42, 43, 56; 56, 92) for decelerating the rotation of the rotating shaft. A clutch (21; 71; 81; 200; 300) is located between the rotating shaft and the decelerating mechanism. The clutch allows transmission of rotation from the rotating shaft to the decelerating mechanism, and blocks transmission of rotation from the decelerating mechanism to the rotating shaft. The clutch located between the rotating shaft and the decelerating mechanism is not applied with a large load. For this reason, the strength required for the clutch can be reduced to provide the clutch in a smaller size.

Abstract: A shift lever device which includes a housing, a shift lever, a knob, a rod with a key and a locking mechanism. The shift lever has a tube and a supporting member provided with a pivot supported by the housing on the vehicle body and a base block to which the tube is connected. The knob is connected to the tube. The rod inserted through the shift lever, is movable in an axial direction by operating the knob button of the knob. The key has a detent engaging portion to engage with a detent plate of the housing. The locking mechanism has a lock lever with a locking portion at its tip. The lock lever swings so that the locking portion is interposed between the base block and the key to lock movement of the rod, thus maintaining the engagement of the detent engaging portion with the detent plate.

Abstract: A combination wheel retainer and axle shaft cover. The combination wheel retainer and axle shaft cover includes a retaining ring portion sized and arranged to mate with an axle shaft, a cover portion sized and arranged to generally overlay an end of the axle shaft, and a joining portion for connecting the retaining ring portion to the cover portion.

Abstract: A torque converter is provided which comprises a converter cover for connection to a power source, a pump impeller attached to the converter cover, a turbine for connection to a transmission input shaft, a stator interposed between the pump impeller and the turbine, and a ring gear mounted on the converter cover and adapted to increase moment of inertia of the converter cover.

Abstract: A reversible ratchet head assembly includes a reversal actualor (34) which is received in an opening in an output shaft assembly (48) of a tool. The output shaft assembly carries a pawl (60) which pivots on the output shaft assembly between two positions, one permitting driven rotation of an output shaft of the output assembly in a clockwise direction, and the other permitting driven rotation in a counterclockwise direction. In each position, the pawl permits the tool to be turned in the direction opposite the driven direction for ratcheting operation of the tool. When the direction of rotation is reversed in a powered tool, the reversal actuator moves relative to the output shaft assembly and engages the pawl to automatically switch the pawl from one position to the other. The reversal actuator has two spring-biased fingers (50a. 50b) which alternatively engage the pawl to move it into one position or the other.

Abstract: A power ratchet wrench including a yoke that is in sliding contact with opposing faces of a distal end bifurcated portion of the wrench housing, guide bushings fitted and fixed in the distal end bifurcated portion and inserted in the hole of the yoke to support the yoke, a spindle inserted in the yoke, and a protruding member that prevents the spindle from being pulled out. The spindle that turns a workpiece is supported by the guide bushings. The motion converter of the wrench includes a swing lever rotatable in a back-and-forth fashion in the wrench housing; and the engagement portion at one end of the swing lever engages a ball on an eccentric shaft of a speed-reduction assembly, and a cylindrical portion at another end of the swing lever is slidably engaged with a U-shaped groove of the yoke.

Abstract: A ratchet wrench is disclosed. The ratchet wrench is characterized in that the head portion has a tool connector cavity, and has a ratchet cavity adjacent to one side of the handle for communication with the tool connector, the ratchet block is positioned within the ratchet block cavity which can automatically move forward, the top face of the head portion corresponding to the top edge of the ratchet cavity is a notch for engaging with a covering plate; the middle section of the external edge is a tool connector is formed into a position-limiting circular slot, and the ratchet block having a ratchet wall with ratchet teeth is provided with position-limiting block which can correspondingly engage with the circular slot, and the top face of the ratchet block is protruded with a trigger rod passed through the covering plate, and the center of the covering plate is a corresponding T-shaped trigger recess, thereby a ratchet wrench is obtained.

Abstract: A strap wrench for turning generally cylindrical objects where the strap wrench includes a manually rotatable thumb wheel which is mounted within a handle. Rotation of the thumb wheel produces lineal movement of a strap that attaches to the handle. The strap wrench is firmly mounted about a generally cylindrical object and applying a twisting force to the strap wrench is to result in turning movement of the generally cylindrical object.

Abstract: An adjustable wrench has a handle having a fixed jaw, a movable jaw, an adjusting worm and an adjusting device. The adjusting worm is received in an opening of the handle and engages with the movable jaw to drive the movable jaw to move along the guiding slot. The adjusting device has an axle portion received in a through hole of the adjusting worm and a wheel portion positioned beside the adjusting worm. The adjusting device is pivoted on the handle via a shaft to be turned along a rotation axle and the adjusting worm is turned along a rotation axle. The rotation axles of the adjusting device and the adjusting worm deviate from each other whereby the adjusting device is turned to move the adjusting worm toward or away from the movable jaw.

Abstract: An increased torque applying pliers which utilizes two separate sets of jaws with each set of jaws having their own pivot axis. Each set of jaws are reversely oriented relative to each other. The sets of jaws are pivotally connected together with this pivot connection also being connected to a handle assembly. The handle assembly comprises two handles which are also pivotally connected together with the pivot axis for the handle being confined within a central cavity that is formed by the jaw members. The utilizing of a separate pivot axis for the handle members which is spaced from the connecting axes that interconnect the jaw members and the handles provides for the application of an increased amount of torque when clamping of the pliers onto an exterior structure.