Abstract: Provided is a wheelchair. The wheelchair includes: a car body in which a gear box is equipped and a receiving portion is formed; a sheet equipped on top of the car body; driving wheels respectively equipped in both sides of the central portion of the car body; a pair of front wheels equipped in the front side of the car body; a pair of rear wheels which are equipped in the rear bottom of the car body so that when the rear side of the car body is slanted, the rear side of the car body is supported on the ground floor; a driving unit which drives the driving wheels; and a steering device which is equipped in the front side of the car body and controls the front wheels to the left and right. The steering handle is turned and thus the driving wheels are driven by the driving unit so that the wheelchair can be driven. Moreover, auxiliary wheels are further equipped in either side of the car body. Accordingly, an accident of overturning the wheelchair due to an obstacle including a small-sized stone etc.

Abstract: An exemplary automatic transmission of a hybrid vehicle according to an embodiment of the present invention includes a flywheel connected to an engine, a generator having a stator part and a rotor part, an input shaft connected with the rotor part, a hub coupled to an end of the input shaft, and a torsional damper connecting the flywheel with the hub, wherein the torsional damper includes a torsional spring and a plate, an end of the stator part is projected further toward the engine than an end of the rotor part and forms a projected portion, a vacant space is formed inside the projected portion, the plate is formed to be bent such that a mounting part mounted to the torsional spring is nearer to the generator than a mounting part mounted to the flywheel, and at least a part of the torsional spring is disposed in the vacant part.

Abstract: The drive wheel assembly for a golf bag cart preferably includes a quick connect and disconnect drive wheel shaft, a drive and steering system, and a control system. The drive wheel shaft connects to a turning fork, which supports the drive wheel on either side of the wheel hub. A double worm reduction drive is preferably used for steering the turning fork of the drive wheel. The drive and steering system also includes a hub motor located in the wheel hub, a steering motor located in the turning fork, and a remote control capacity so that the drive wheel can be steered and driven remotely. In one embodiment, the drive wheel assembly attaches to a conventional pull cart to convert it to an electric golf bag cart. The drive wheel disconnects to allow the cart to fold up in a compact way for storage in a car trunk.

Abstract: An articulated work machine, such as a wheel loader, includes many regularly serviced hydraulic points, such as a hydraulic fluid filter, a case drain filter, a transmission fluid filter and brake accumulators that are grouped and mounted in a common service center subassembly, which may be preassembled and then later attached to the work machine chassis when the machine is being built. Likewise, an electrical service center subassembly might include a battery box, relays and an emergency shutoff switch that can be preassembled and attached to the machine chassis as a unit at the time that the work machine is being built. The respective hydraulic and electrical service centers are attached to the work machine chassis underneath cab access steps on opposite sides of the machine. This strategy allows for a potential reduction in cost during the work machine manufacture, and also better facilitates servicing of the hydraulic and/or electrical service points at an easily accessible and common location(s).

Abstract: The present invention is a bicycle propulsion and braking system in which energy is stored as electrical energy and rotational kinetic energy. The rotational kinetic energy also serves as a means to provide gyroscopic stability of the bicycle. Energy transfer from the rotational kinetic energy to the bicycle provides acceleration of the bicycle. Energy transfer from the bicycle to the rotational kinetic energy provides braking of the bicycle. This energy transfer is accomplished through electromagnetic forces.

Abstract: A motor vehicle is provided with a pre-safe system in which active and/or passive safety devices which are driven as a function of information recorded at least by a vehicle surrounding-area identification device and a driving situation data detection device. The information is evaluated in a data evaluation device which determines whether a collision is plausible. At least some of the active and/or passive safety devices are activated when the information from the vehicle surrounding-area identification device represents a potential collision object and the data from the driving situation data detection device represents a driver response which is predefined for a collision being plausible.

Abstract: A power train mounting apparatus for a vehicle is disclosed to improve the vehicle riding by properly restricting the displacement of the power train. The dynamic rigidity and vibration insulation in relation to an engine mount and transmission mount are also increased, thus improving the Noise, Vibration, and Harshness (NVH) function of the vehicle.

Abstract: A frame of a vehicle supports a cabin via four vibration-isolating apparatuses. A vibration-isolating supporting plane, which contains the four vibration-isolating apparatuses, passes through a center of gravity point G of the cabin. Due to an arranged structure of the vibration-isolating apparatuses, shaking of the center of gravity point of the cabin due to vibration transferred from the frame at times of riding on poor roads or at times of operation can be kept small, as compared with a vibration-isolating supporting structure in which the vibration-isolating supporting plane is far apart from the center of gravity point G A vibration-isolating supporting structure which does not increase shaking of a center of gravity of the cabin is provided.

Abstract: A device for generating a haptic signal in a vehicle is provided, in which a driver's command can be given via a rotary gas handle. A servo unit is formed in such a manner that, as a function of at least one detected operational condition for driving, a theoretical speed of the vehicle can be generated. Based on the theoretical speed of the vehicle, a servo signal for actuation of a servo element of the vehicle is generated, where the servo element is formed such that a restoring force for the rotary gas handle or the torque required for moving the rotary gas handle is adjusted thereby.

Abstract: A method for triggering an electromechanical coupling unit having at least two coupling windings, and a steering system for implementing the method, are provided. The coupling unit selectively closes, and in this manner provides a mechanical coupling, only if both coupling windings are no longer supplied with electrical energy.

Abstract: A passenger vehicle, a steering system, and a method for controlling the steering system are provided for a front wheel steering mode and an all wheel steering mode that provides parallel steering and opposed wheel steering. The front wheel steering permits both linear and rotational translation of the vehicle. The parallel all wheel steering may be utilized for linear translation of the vehicle while rotational translation is reduced for optimizing stability of the vehicle. The opposed wheel steering may be utilized for minimizing a vehicle turn radius.

Abstract: A suspension assembly for a vehicle wheel is provided with a hub assembly for supporting a wheel for rotation. A first control arm is pivotally connected to the hub assembly and a chassis of the vehicle. An actuator is connected to the chassis and the hub assembly for translating the hub assembly relative to the chassis. A linkage is connected to the chassis and the hub assembly proximate to the actuator for reducing transverse loads and torques applied to the actuator.

Abstract: An electric power steering device (1) includes a steering assist electric motor (7) including a rotation shaft (8) and a motor housing (18). The electric motor (7) includes a stator (19) fixed to the motor housing (18), a rotor (20) co-rotatable with the rotation shaft (8), and rotation angle detecting means (21) for detecting the rotation angle of the rotor (20). The rotation angle detecting means (21) includes a stationary portion (28) fixed to the motor housing (18), and a movable portion (29) co-rotatable with the rotor (20). The rotor (20) includes a rotor body (31), and a rotor magnet (32) attached to the rotor body (31) in a co-rotatable manner. A rotor unit (33) including the rotor (20) and the movable portion (29) of the rotation angle detecting means (21) is provided as a subassembly of the electric motor (7).

Abstract: A steer-by-wire system is provided with a driver operating unit, a turning unit, a backup mechanism, a steering reaction actuator, a wheel turning actuator and a controller. The backup mechanism mechanically connects the driver operating unit to the turning unit via a first shaft to transmit an input torque from the driver operating unit to the turning unit when the driver operating unit and the turning unit are mechanically connected by the backup mechanism. The steering reaction actuator applies a steering reaction torque to the driver operating unit. The wheel turning actuator applies a wheel turning torque to the turning unit via a second shaft. The controller controls the wheel turning actuator and the steering reaction actuator. The controller is configured to control the steering reaction actuator based on an operating parameter of the wheel turning actuator.

Abstract: An in-wall or ceiling speaker enclosure (10) having a predetermined air volume is provided, and includes a housing (22) designed to support a speaker assembly (18) between a pair of adjacent wall studs (12,14). The enclosure (10) also has an expandable air chamber (24) of predetermined volume operably coupled and in communication with housing (22). The enclosure (10) can be easily mounted within a pre-cut wall opening (32) of minimal size.

Abstract: A speaker diaphragm or a dust cap formed by injection molding a mixture at least containing a resin material and a fiber material. The speaker diaphragm or the dust cap combines the advantages of both a paper diaphragm and a resin diaphragm. The advantage of a paper diaphragm is a large degree of freedom in setting physical properties. The advantages of a resin diaphragm are being excellent in moisture resistance reliability, strength, external appearance, productivity and dimension stability.

Abstract: A resonant frequency adjustor for mounting onto an exhaust pipe of an exhaust system of a vehicle adjusts the resonant frequency(s) of the exhaust pipe to minimize or control vibration transmitted to the vehicle and/or to tune the sound emitted by the exhaust system. The resonant frequency adjustor includes a base mounted to the exhaust pipe, an isolator attached to the base, a stud attached to and extending from the isolator, and a mass located on the stud. A gross adjustment of the vibration of the exhaust pipe may be achieved by varying the location of the resonant frequency adjustor on the exhaust pipe. A fine adjustment of the vibration of the exhaust pipe may be accomplished by adjusting the position of the mass on the stud.

Abstract: A sound barrier comprises a plurality of elongate sound arresting members arranged end to end and stacked vertically, one upon another, to form a barrier wall. The sound arresting members are disposed generally between a plurality of spaced vertical support members and may be secured thereto by a plurality of elongate transition connectors coupled to each support members. The elongate transition connectors have distal ends that extend in directions toward oppositely disposed support members and are received within apertures formed in respective ends of the sound arresting members at their respective ends. Alternatively, the sound arresting members may be coupled to the spaced vertical supports without transition connectors.

Abstract: An exhaust system for the discharge of exhaust gases from a vehicle engine includes a resonator. The resonator comprises a resonator body having at least one, and preferably more than one, elongated composite strip. Each composite strip has a center foil which is corrugated to provide alternate ridges and grooves and is sandwiched between two perforated foils to provide a multiplicity of parallel fluid passages between the corrugated foil and the perforated foils. The composite strips are tightly wound about a central axis parallel to the fluid passages. A housing encloses the resonator body and has an inlet at one end of the fluid passages and an outlet at an opposite end of the fluid passages. The exhaust gases flow through the passages causing a break up and tuning of the sound waves in the system.

Abstract: A tree stand caddy having a compartment and a pivotable support arm. The compartment has a bottom and sidewalls. The pivotable support arm has a support member pivotably connected to a mounting member. The support member is connected to the compartment.

Abstract: A scaffold plank assembly for engagement to a scaffolding frame. The scaffold plank assembly comprises an elongate, non-metal plank defining opposed first and second ends and at least one interior cavity. Attached to respective ones of the opposed ends of the plank is a pair of end connectors. Each of the end connectors comprises a main body defining an arcuate body engagement surface, and at least two arms which are attached to the main body. Each of the arms also defines an arcuate arm engagement surface which is substantially continuous with the body engagement surface. Attached to and extending from the main body is at least one attachment finger which is extensible into the interior cavity of the plank. The body and arm engagement surfaces are sized and configured to be cooperatively engageable to the scaffolding frame.

Abstract: An elevator group supervisory control apparatus is obtained which can achieve efficient group supervisory control while preventing or reducing the possibility of collision and the safe stopping of an upper car and a lower car in one and the same shaft as much as possible.

Abstract: The rolling friction force of ball screw is much small than the sliding friction force of it. Using ball screw as the transmission mechanism for elevator, so as to find the differences of friction forces between rolling motion and sliding motion. Besides, the current of motor has the obvious relationship to the driving force of motor, we use current of motor for ball screw type elevator to monitor the system. And, before the serious damage occurring, the monitor system can find the different form the current of motor, and make the operation for elevator safer.

Abstract: The earthquake control operation system for an elevator includes: an earthquake information delivering device for calculating a predicted arrival hour of earthquake waves in accordance with a position of a registered building based on an emergency earthquake bulletin including at least a seismic center of an earthquake and an hour of occurrence of the earthquake; an earthquake information receiving device for receiving the predicted arrival hour through an Internet and calculating an earthquake arrival need time as a time required for the earthquake waves to reach the building based on the predicted arrival hour; and an elevator control panel for performing an operation of stopping an elevator car at a safety floor when the elevator car is traveling toward the safety floor, a car call for the safety floor is registered, and a stop time at the safety floor is shorter than the earthquake arrival need time.

Abstract: The present invention describes a method and a system for generating a request for elevator service. In the system of the invention, the elevator user receives with his/her terminal (11) a general transmission of information about the elevator system from base stations (10) placed in the elevator lobby of the building. By means of the terminal (11), a service request is generated on the basis of the goal and the information provided by the general transmission. The service request is transmitted further to an elevator group controller (14) via an edge server (12) and a local server (13). The edge server (12) checks the request for correctness and the local server (13) functions as a point of connection between the elevator group and the external world.

Abstract: In a feeder circuit for operating a safety device of an elevator, a charging capacitor for actuating an actuator through discharge is employed. A failure detecting device for detecting the presence or absence of a capacitance shortage of a charging capacitor is also electrically connected to the feeder circuit. The failure detecting device has a memory in which a lower limit and upper limit of a charging time at the time when the charging capacitor is in normal operation are stored, and a CPU which is capable of measuring the charging time of the charging capacitor and detects whether or not the charging time is between the lower limit and the upper limit. When the charging time is between the lower limit and the upper limit, the CPU determines that there is no capacitance shortage of the charging capacitor.

Abstract: In an elevator installation with an elevator cage, a counterweight and at least one hanging cable with integrated conductors for transmission of energy and/or control signals compensation is provided for the weight difference between the cage runs and the counterweight runs of the support by hanging cables hanging between a fixing point of the elevator installation and the elevator cage or the counterweight, wherein the hanging cable includes an arrangement for increasing its weight per meter.

Abstract: An elevator system (20) includes a cab (22) supported for movement within a hoistway. A plurality of cab-supported sheaves (36, 42) moves with the cab through the hoistway. A first hoistway sheave (38) is located near a first end of the hoistway, and a second hoistway sheave (40) is located near a second end of the hoistway. A load bearing member (30) is provided, which (i) extends from near the first end of the hoistway toward the cab, where the load bearing member is redirected by one of the plurality of cab-supported sheaves toward the first end of the hoistway, (ii) at least partially wraps around each of the first hoistway sheave and the second hoistway sheave, and (iii) extends from near the second end of the hoistway toward the cab, where the load bearing member is redirected by another of the plurality of cab-supported sheaves toward the second end of the hoistway. A tension device (44) maintains tension in the load bearing member.

Abstract: A brake lining wear sensor includes a thermoplastic body that is secured to a support plate between adjacent brake lining blocks. The support plate includes an opening formed within a gap between adjacent lining blocks. The thermoplastic body is received within the opening and includes a central bore that extends from a first body end to a second body end. A sensor wire is received within the bore and includes a single looped portion that extends outwardly from an end face of the second body end. The single looped portion is positioned at a predefined maximum lining wear limit. When the single looped portion is broken due to contact with a rotating brake component, a warning signal is communicated to an operator to indicate that the predefined maximum lining wear limit has been reached.

Abstract: A brake lining wear sensor includes a first portion attached to a brake lining support plate, a second portion that engages a rotating brake component after brake lining material wears to a predetermined wear level, and an internal bore that extends through the first and said second portions. A sensor wire is received within the internal bore and includes a looped portion positioned within the second portion such that the looped portion is held at a predetermined brake lining wear level limit. When the looped portion is broken due to contact with a rotating brake component, a warning signal is communicated to an operator to indicate that a wear limit has been reached.

Abstract: A disc brake, in particular its brake lining, is provided with at least one temperature indicator which changes state after a permitted operating temperature is exceeded and/or remains in its position after a permitted operating temperature is exceeded. The temperature indicator may be, in particular, a coating of an adhesive or paint, an affixed label or an affixed tag.

Abstract: The invention relates to a parking brake, especially for a motor vehicle. Said parking brake (1) comprises a cable traction device in order to actuate the brake and opposite cable deflection by means of at least two deflection rollers (6, 7, 19, 20). The deflection rollers (6, 7, 19, 20) are arranged in such a manner that the connection line can be rotated between the rotational axis of at least two deflection rollers (7, 8, 19, 20) with respect to the drive main axis (18). As a result, a parking brake which is simple to construct and which requires a minimum amount of space is produced. Said parking brake can tighten two brake cables with an essentially equal force in an opposite direction.

Abstract: A reservoir apparatus for a bicycle brake lever device comprises a master cylinder and a fluid reservoir including first and second reservoirs. The master cylinder has a master cylinder chamber dimensioned for receiving a master cylinder piston therein. The first reservoir has a first reservoir chamber in fluid communication with the master cylinder chamber for supplying a hydraulic fluid to the master cylinder chamber. At least a portion of the first reservoir chamber is disposed below a portion of the master cylinder chamber. The second reservoir has a second reservoir chamber in fluid communication with the first reservoir chamber, wherein the second reservoir chamber includes an air entrainment surface. The air entrainment surface is positioned higher than an upper surface of the first reservoir chamber.

Abstract: A brake assembly is configured for a strapping tool tensioning motor having a housing and an output shaft operably connected to a tensioning wheel. The brake assembly includes a one-way bearing operably connected to the motor output shaft to permit the shaft to rotate relative to the bearing in the first direction and to stop rotation of the shaft relative to the bearing in the reverse direction. The bearing has at least two stop members thereon. A brake element is operably mounted to the motor movable toward and away from the bearing for movement into and out of engagement with one of the bearing stop members. The brake element stops reverse rotation of the motor shaft and bearing. A brake release is operably connected to the brake element for moving the brake element into and out of engagement with the one of the bearing stop members. A biasing element biases the brake element into engagement with the one of the bearing stop members.

Abstract: The present invention discloses and claims an apparatus and method for operating a take-up mechanism. The system includes electric and manual actuating mechanisms engaged with a combiner mechanism to apply force to the take-up mechanism. In a first mode of operation, the combiner mechanism transmits rotation from the electric actuating mechanism, and in a second mode of operation, the combiner mechanism transmits rotation from the manual actuating mechanism. The method for operating the take-up mechanism uses a motor and a manual input shaft connected to a gear to operate the take-up mechanism in the first and second modes. The motor is engaged with the gear during at least the second mode of operation.

Abstract: A spring brake chamber assembly.

Abstract: A braking system comprising a friction surface disposed along an inner surface of a wheel; and a suspension component housing at least one extendable brake pad, wherein said brake pad engages said friction surface when in an extended position.

Abstract: A rotary damper for use in a device having a lid-uplifting design includes a spring, a rotary member, a casing and a rubber ring. The spring is arranged between the rotary member and the casing. The rubber ring is sheathed around the rotary member. The rotary damper is capable of slowly opening a lid because the rubber ring is useful to provide the rotational resistance and the torsion or elastic relaxation of the spring results in a rotary motion of the rotary member.

Abstract: A shock absorber assembly includes a coil spring that reacts between first and second spring seats. The first spring seat is fixed to a shock cylinder and the second spring seat is fixed to a rod that is slidably received within the shock cylinder. An isolator is positioned between an end coil of the spring and at least one of the first and second spring seats. The isolator comprises an annular ring that defines a cavity that is at least partially filled with fluid. The isolator evenly distributes non-centered spring end forces through the fluid to reduce the effects of side load forces.

Abstract: A cam for a brake is provided that allows for greater brake shoe travel and thicker brake linings while providing the same or greater mechanical force as compared to conventional cams. One or more lobes of the cam include multiple portions having varying profiles in axial cross-section. The variation in the cam profiles results in a cam in which the outermost ends or tips of the lobes are longer than in conventional cams yet retain the same mechanical strength.

Abstract: A hydraulic apparatus such as a bleeder screw comprises an inner end, an outer end, and a main body extending between the inner end and the outer end. The main body includes a first section having a threaded outer peripheral surface a second section disposed between the first section and the inner end. The second section has a smaller diameter than the threaded outer peripheral surface of the first section, and an axial length of the threaded outer peripheral surface is less than an axial length of the second section. An internal fluid passage opens through an outer peripheral surface of the second section at a location between the inner end and the threaded outer peripheral surface, and the internal fluid passage opens through the main body at a location between the threaded outer peripheral surface and the outer end.

Abstract: A tuned mass damper for attenuating vibrations in a selected plane of a mechanical structure, by magnetically induced eddy current damping. A moving damper mass is coupled to a vibrating mass through one or more flexures that confine relative movement of the damper mass substantially to the selected plane. A magnet structure is rigidly attached to either the vibrating mass or the damper mass, and a conductor plate is attached to the other of these masses. Movement of the damper mass relative to the vibrating mass induces eddy currents in the conductor plate and thereby generates a damping force that attenuates vibration in the selected plane.

Abstract: A novel system for easily aligning a ground mounted power supplying electromagnetic inductor to a vehicle mounted power absorbing electromagnetic inductor is presented. The power supply inductor is preferably mounted within a parking block or a speed bump. The power absorbing inductor is mounted in a vehicle, preferably between the front tire and the front bumper. When the vehicle's front tires touch the parking block or the speed bump, the two electromagnetic inductors are aligned sufficiently to transfer power efficiently.

Abstract: A torsional vibration damper for a bridging clutch of a hydrodynamic clutch arrangement has a drive-side damping device, which can be brought into working connection with the housing of the clutch arrangement and is provided with a drive-side transmission element, which acts via a drive-side energy-storage group on an intermediate transmission element, and a takeoff-side damping device, which uses a takeoff-side group of energy-storage devices to establish a working connection between the intermediate transmission element and a takeoff-side transmission element, which is connected to a takeoff-side component of the hydrodynamic clutch arrangement. A predetermined stiffness ratio is obtained between the energy-storage devices of a first group and the energy-storage devices of a second group, and the energy-storage devices of the drive-side group have a stiffness different from that of the assigned energy-storage devices of the takeoff-side group.

Abstract: The electric actuator, for the control of the clutch and/or sequential gearbox in motor vehicles, includes an electric motor and a mechanism for transforming rotary motion into linear motion of the actuator element, and has a thrust crank or at least one cam that performs a complete rotation returning to its starting position, whether it be the control for the clutch, the gearbox, or both. The cam is advantageously made in the form of a template, fashioned in a plate sliding in a guide, in which a crank stud is positioned rotating with the action of the electric motor. Combined, compact embodiments of the two actuators for the clutch and sequential gearbox are included, as well as: mechanical disconnecting safety mechanisms for operation of the gearbox lever.

Abstract: An outer peripheral cylindrical surface 13, 17, which is a non-engagement outer peripheral surface, is formed in an outer periphery of an annular portion 3 and a portion 15 of each of pillar portions 4, while an engagement portion formed of an edge 9 is formed on an outer periphery of the other annular portion 2 and another portion 14 of each of the pillar portions 4. The outer peripheral cylindrical surface 13, 17 is formed inside a circle smaller by a specified size than a circumcircle of the edges 9.

Abstract: An overrunning one-way clutch includes a cam plate including notches angularly spaced about an axis, a rocker plate including pockets angularly spaced about the axis and facing the notches, each pocket including a lock surface, a plurality of rockers, each rocker being located in one of the pockets for movement toward and away from engagement with the notches, each rocker including a contact surface that engages one of the lock surfaces to prevent the rocker from moving into engagement with one of the notches when the notches rotate in a first direction relative to the rockers, and springs supported on the rocker plate, each spring urging one of the rockers toward the notches.

Abstract: It is an object of the present invention to shorten the axial dimension of the clutch cover assembly that includes a wear compensation mechanism and a low release load mechanism. A clutch cover assembly 1 includes a clutch cover 2, a pressure plate 3, a diaphragm spring 4, a first wear compensation mechanism 8, and a mechanism 30 to achieve low release load characteristic. The low release load characteristic achieving mechanism 30 is made of a support bolt 31, a holder 32, and a second adjust spring 39. The second adjust spring 39 is located on a side of the holder 32 near the friction member 53 in the axial direction.

Abstract: A clutch cover assembly 1 has a clutch cover 2, a pressure plate 3, a diaphragm spring 4, a first low release load characteristic achieving mechanism 8, and a second low release load characteristic achieving mechanism 30. The second low release load characteristic achieving mechanism 30 includes a support bolt 31, a holder 32, and an adjust spring 39. The adjust spring 39 is located on a side of the holder 32 near the friction member 53 in the axial direction.

Abstract: A power transmission device includes a rotary input member receiving drive torque from a source of torque, a rotary output member for providing drive torque to an output device and a torque transfer mechanism for transferring drive torque between the input member and the output member. The torque transfer mechanism includes a friction clutch assembly operably disposed between the input member and the output member and a hydraulic clutch actuation system operable for applying a clutch engagement force to the friction clutch assembly. The hydraulic clutch actuation system includes an electric motor drivingly coupled to the hydraulic actuator. The hydraulic actuator includes a first piston biasedly engaged by a spring, slidably positioned within a housing and operable to supply pressurized fluid to a second piston. Supply of pressurized fluid to the second piston provides the clutch engagement force.