Abstract: A structure of a screw is provided, including a shank extending downward from a screw head. The shank has an outer circumferential surface on which a thread extending spirally around is formed. The shank has a lower end forming a tapering tail section. The thread does not extend into the tapering tail section. The tapering tail section is provided with at least one rib raised on a surface thereof. The rib has an edge that is made in a wavy-toothed form so as to improve the capability of the screw for cutting and chip removal and also to reduce a screw-in torque of a screwing operation of the screw to thereby achieve an effect of saving labor and time in conducting an operation and also to prevent the occurrence of defects of wood cracking to enhance the quality of an operation conducted with the screw.

Abstract: A system for remotely retrieving sensed conditions at one or more building components. The building components are remote or numerous so that a wireless collection of the sensed conditions provides a significant benefit to a builder or building operator. A remote transceiver sends a wireless signal to a building component. The building component includes an onboard transceiver. At least some of the energy from the transmitted wireless signal is received by the onboard transceiver, sent to a storage device, and stored therein. The stored energy is used to operate a sensor for sensing an onboard condition. The onboard condition is then wirelessly transmitted by the onboard transceiver back to the remote transceiver to be displayed.

Abstract: The present invention includes a fastener comprising: a fastener body having a longitudinal axis and a first external male threaded portion, and two or more through-holes perpendicular to the longitudinal axis of the fastener body in the threaded portion.

Abstract: A chain including a pair of hooks, the first hook having a first hook end and a first link end, the first hook end defining a first hook for suspending an article therefrom, the first link end defining a first link member for coupling the first hook to a chain. The chain including a second hook having a second hook end and a second link end, the second hook end defining a second hook for suspending an article therefrom, the second link end defining a second link member for coupling the second hook to the chain. The first and second hooks including first and second couplers respectively, the first and second couplers configured to connect one to the other for attaching the first hook adjacent to the second hook, the first and second hooks forming a continuous hook member when coupled adjacent one to the other.

Abstract: A bicycle cable includes an inner line and an outer sheath. The inner line connects a driving mechanism and a driven device of a vehicle therebetween. The driven device includes a brake device or a derailleur. The inner line is composed of a plurality of threads twining together. The inner line has a maximum outer diameter ranged of 1.2 mm, and a minimum outer diameter ranged between 0.90-1.0 mm. The outer sheath has an outer diameter ranged between 3.5-4.5 mm and an inner diameter ranged between 2.0-2.2 mm. The outer sheath is sleeved onto the inner line. A gap formed between an inner face of the outer sheath and the inner line has a maximum ranged between 0.8 mm to 1.3 mm.

Abstract: Provided is a semi-cylindrical shaped half bearing. The half bearing has an inner surface forming a sliding surface. The sliding surface includes a plurality of recesses. Each recess has a smooth recess surface recessed from the sliding surface toward an outer diameter side of the half bearing. The recess surface forms a convex curve toward the outer diameter side of the half bearing in a cross-sectional view in any direction perpendicular to the sliding surface. The recess surface includes a plurality of circumferential grooves. The circumferential grooves are recessed from the recess surface toward the outer diameter side of the half bearing. The circumferential grooves extend along a circumferential direction of the half bearing so that smooth surfaces and the circumferential grooves are alternately arranged on the recess surface.

Abstract: A joint arrangement between at least one first and second component, preferably sheetlike metal component, which has in each case a top and bottom side including a joint bushing which is received in a first opening of the first component, and a joint pin which is led through the joint bushing and which has a pin head, wherein that pin section which is situated opposite the pin head and which protrudes out of the joint bushing is fastenable to the second component preferably by means of a rivet connection. It is particularly advantageous for a stop disk element to be received between the pin head and the top side of the first component, and for the joint bushing to be formed as a collar bearing with a bushing section received in the first opening and a ring-shaped collar section adjoining said bushing section, wherein the ring-shaped collar section bears against the bottom side of the first component.

Abstract: A device for air supply of a fuel cell operated with hydrogen, via a compressor of an exhaust gas turbocharger. The compressor is drive-effectively connected to a turbine of the turbocharger that can be driven by an exhaust gas flow of the fuel cell via a shaft and the turbocharger, is drive-effectively connected to a motor via the shaft. The mounting of the shaft of the turbocharger is formed by a gas or air-lubricated mounting.

Abstract: A rolling bearing includes an outer ring, a plurality of rolling elements, a cage configured to rollably hold the plurality of rolling elements, and a shield. An inner peripheral surface of at least one axial end portion of the outer ring is provided with a large-diameter part, which has a diameter larger than an inner diameter of the outer ring, opens outward in an axial direction, and has an axial width greater than an axial width of the shield. An outer shape surface of the shield is configured by a plurality of circular arcs having a same central angle and equidistantly arranged on a circumference and a plurality of chords connecting adjacent circular arcs each other. The shield is press-fitted and fixed to the large-diameter part.

Abstract: In accordance with one aspect of the present disclosure, a rolling element bearing assembly is disclosed. The rolling element bearing assembly may be used in an electrically-assisted turbocharger. The bearing assembly includes an inner race having an outer diameter defining an inner raceway, an outer race having an outer diameter and an inner diameter, the outer-race inner diameter defining an outer raceway, a single row of rolling elements between the inner raceway and the outer raceway, and a squeeze-film damper integrated with the outer race to form a single component. The squeeze-film damper provides for a squeeze-film damper surface between the outer-race outer diameter and a housing.

Abstract: A linear moving bearing, comprising: a retaining portion having at least one receiving chambers at lateral sides thereof; each receiving chamber being installed with at least one set of sliding track which is formed by two round rods; each of receiving chamber formed with two stop walls at an upper and lower ends of an opening of the receiving chamber; the stop walls serving to retain the round rods in the receiving chamber; each of the set of the sliding track resisting against a sliding rod so that the round rod being slidable along the sliding track. The stop walls are screwed or buckled to an upper and a lower end of a lateral wall aside the opening of the receiving chamber. The sliding rod has a sharp angle resists against a middle area between the two round rods of a set of the sliding track.

Abstract: Novel configurations of levitating passive magnetic bearing configurations are described. Such configurations can be used for the precise control of the magnitude and sign of the bearing stiffness, thereby facilitating the overall design of the system in ways that are not possible with conventional attractive or repelling bearing elements.

Abstract: Embodiments of the invention are directed to bearing assemblies configured to effectively provide heat dissipation for bearing elements, bearing apparatuses including such bearing assemblies, and methods of operating such bearing assemblies and apparatuses. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed about an axis. Each superhard bearing element of the plurality of superhard bearing elements has a superhard table including a superhard surface. The bearing assembly includes a support ring structure coupled to the plurality of superhard bearing elements. One or more of the superhard bearing elements includes a superhard table, which may improve heat transfer from such superhard bearing elements.

Abstract: In order to supply sufficient amount of oil to one or more sliding surfaces and to prevent the supplied oil from moving from the sliding surface(s) to an inside so as to achieve lower friction and improve sliding performance of a bearing, in an oil-impregnated sintered bearing 1, sliding surfaces 3 supporting an outer circumferential surface of a shaft 11 and an oil supply surface 4 in which a diameter is larger than that of the sliding surfaces 3 are formed on an inner circumferential surface of a bearing hole 2 into which the shaft 11 is inserted, to be adjacent in an axial direction of the bearing hole 2, a height gap “d1” between the sliding surfaces 3 and the oil supply surface 4 is not less than 0.

Abstract: Wheel bearings utilize two sets of tandem ball bearings. Each set of tandem ball bearings utilize a single cage that staggers the circumferential positions of balls in one row relative to balls in a second row. As a result of the staggering, the two rows can be closer together. This improves the wheel bearing stiffness relative to tilting without increasing the overall bearing dimensions.

Abstract: In a tapered roller bearing, neighboring pillar parts constitute a first engagement allowance in which an inner diameter-side opening width of each of the pockets becomes smaller than a roller diameter at a position of the opening width in a direction of a rotation axis of each of the tapered rollers at at least a part of an inner diameter side of each of the pockets, and constitute a second engagement allowance in which an outer diameter-side opening width of each of the pockets becomes smaller than the roller diameter at a position of the opening width in the direction at at least a part of an outer diameter side of each of the pockets. Bumps are formed on an inner surface of the small diameter ring part in the pockets. Small diameter-side end faces of the tapered rollers facing the bumps are substantially flat surfaces.

Abstract: A motor that ensures efficient supply of a lubricating oil to a mechanical seal and a bearing to reduce temperature rise in driving of a motor is provided. The motor includes a mechanical seal through which a rotary shaft of a rotor is inserted. The mechanical seal includes a seal ring and a mating ring. The seal ring has a sealing surface. The mating ring is secured to the rotary shaft. The mating ring has a sealing surface that contacts the sealing surface of the seal ring. The mating ring has a through hole on an outer edge side of the mating ring with respect to the sealing surface of the mating ring. The lubricating oil flows through the through hole to the bearing side.

Abstract: In accordance with one aspect of the present disclosure, a roller bearing seal assembly is provided that includes a seal case and a rotor having a unitary, one-piece construction. The rotor is connected to the seal case and is rotatable relative to the seal case about an axis. The seal case and rotor include interfering portions that limit axial separation of the rotor and the seal case. In one embodiment, the rotor and seal case include at least one snap-fit connection that permits the rotor and seal case to be readily assembled. The at least one snap-fit connection includes the interfering portions which inhibit axial separation of the rotor and seal case after the rotor and seal case have been assembled.

Abstract: A coupling assembly arranged between an input shaft and a rotor shaft of a supercharger includes a first hub, a second hub, a first side coupling assembly, a second side coupling assembly, a central hub and a plurality of coupler pins. The first hub can be mounted with the input shaft. The second hub can be mounted with the rotor shaft. The first side coupling assembly can have a first side coupling body and a first side elastomeric insert. The second side coupling assembly can have a second side coupling body and a second side elastomeric insert. The central hub can define central hub bores therein. The plurality of coupler pins can be received in the central hub bores. The first and second side elastomeric inserts provide dampening between (i) the first side coupling body and the central hub and (ii) the second side coupling body and the central hub.

Abstract: A segmented support element for at least one lining element includes at least two support segments. support segments are not directly, but indirectly connected to one another.

Abstract: A connecting arrangement includes first and second idler gears (6, 7) arranged coaxially and connectable via an engagement unit. The engagement unit includes a coupling element coupled to the first idler gear (7) in a direction of rotation and axially movable between a home position and a coupling position. In the coupling position, the coupling element is coupled to the second idler gear (6) in addition to being coupled to the first idler gear (7) in the direction of rotation. In the home position, the coupling element and the second idler gear (6) are freely turnable with respect to each other. The first and second idler gears (6, 7) are helical-cut spur gears. The coupling element is guided in a helically extending guide (18) on the first idler gear (7) and, in the coupling position, engages into a helically extending engagement geometry (21) on the second idler gear (6).

Abstract: A clutch engaging/releasing device for engaging and releasing a clutch includes a separating mechanism provided in a force transmitting mechanism between a clutch pedal and a clutch cylinder. The separating mechanism includes a first member, a second member and a reaction-force generating mechanism. The reaction-force generating mechanism includes a pressing member and an inclined surface that is provided for converting a load applied to the inclined surface from the pressing member, into a pedal reaction force acting against the clutch pedal when the first member is moved toward the second member by operation of the clutch pedal after the first and second members have been separated from each other.

Abstract: An outer ring assembly adapted for a one way clutch bearing assembly is provided. The outer ring assembly includes two separately formed rings. A first outer ring includes a groove adapted to receive a plurality of locking wedges, and a second outer ring includes an outer race adapted to support a plurality of rolling elements. The outer ring assembly is installed with a one way clutch bearing assembly including an inner ring defining both an inner race adapted to support rolling elements, and a plurality of ramps axially spaced from the inner race.

Abstract: A four-state joint brake module is provided to selectably stop or allow motion in both directions resulting in a mechanism that has four possible states: 1) allowing rotation only in a clockwise direction, 2) allowing rotation only in a counter-clockwise direction, 3) allowing free rotation in both directions, and 4) stopping motion in both directions. In robotic and other motion control applications the use of this four-state joint brake module in a multi-segmented linkage allows for position holding without continuous application of power and “fail safe” behavior. It further allows for the ability to toggle this useful state behavior independently in either direction is relevant for robotic applications.

Abstract: A disc brake assembly includes a brake clip having a U-shaped section, at least one retention tang, and an abutment leg. The U-shaped section has a base leg and opposing upper and lower legs extending from the base leg. The upper leg has an inner face facing the lower leg. The at least one tang extends away from the U-shaped section and inner face. The abutment leg extends from the lower leg and has a midpoint between a top edge and a bottom edge. The midpoint is not planar with the top and bottom edges.

Abstract: A one-way rotating device includes a wheel configured to rotate about a center axis thereof toward a front side or a rear side of the wheel; a wheel bracket mounted to the wheel; and a stop ring mounted to the wheel bracket at a fixed position above the center axis of the wheel and contacting a circumferential surface of the wheel on the front side or the rear side of the wheel. The stop ring is configured to stop the wheel from rotating in a direction toward the front side or the rear side.

Abstract: A brake rotor and a method of manufacturing the same are provided. The brake rotor includes a first disc and a second disc, each defining a braking plate and an inlet lip and being spaced apart to define an airgap. An internal structure is positioned within the airgap and extends between the first braking plate and the second braking plate to define a plurality of internal passages and a plurality of vanes are positioned within the airgap and extend between the outer inlet lip and the inner inlet lip.

Abstract: The actuator includes a housing configured to have not only a motor accommodation part, but also a gear mounting part to which a deceleration gear unit is mounted. The gear mounting part includes not only a shaft hole formed to be penetrated at a center part of a top surface of the gear mounting part, but also a ring gear part formed along in an inner circumference of the gear mounting part. The deceleration gear unit includes a worm wheel configured to have a sun gear that is rotatably supported by an outer surface of the gear mounting part and is inserted into the gear mounting part through the shaft hole, a plurality of planetary gears engaged with the sun gear and the ring gear part within the gear mounting part, and a carrier coupled to the plurality of planetary gears to be rotatable, and provided with an output shaft.

Abstract: A shield assembly is employed for a friction brake used to decelerate a road wheel of a vehicle. The vehicle has a body with a first body end configured to face an incident ambient airflow, a second body end opposite of the first body end, and an underbody section spanning a distance between the first and second ends. The shield assembly includes a first shield component arranged proximate the brake and rotationally fixed relative to the vehicle body. The shield assembly also includes a second shield component operatively connected to the first shield component for shifting relative thereto. The shield assembly additionally includes an actuator employing a shape memory alloy element to shift the second shield component relative to the first shield component in response to a temperature of the brake to thereby direct at least a portion of the airflow to the brake and control temperature thereof.

Abstract: A friction material comprising a particulate inorganic porous material, wherein the particulate porous material comprises tan anticorrosive agent absorbed within its pores.

Abstract: A shock-absorbing device includes a first holding member, a second holding member movably assembled to the first holding member, and an elastic element disposed between the first and the second holding member with two ends of the elastic element pressing against the two holding members. With the elastic element, an elastic shock-absorbing space is defined between the first and the second holding member.

Abstract: A conical spring washer includes a symmetrical annular body, a plurality of inner tabs and a plurality of outer tabs formed in the body. Each of the plurality of inner tabs has a width that tapers radially inwardly. Each of the plurality of outer tabs has a maximum width that is greater than a maximum width of each of the plurality of inner tabs. An intermediate portion is defined in the body and disposed between the plurality of inner tabs and plurality of outer tabs. The plurality of inner tabs and plurality of outer tabs are flexibly coupled to the intermediate portion.

Abstract: A composite vibration-damping body including a first elastic body and a second elastic body overlapped with each other, wherein the first elastic body is formed of a material having higher attenuation than that of the second elastic body, the first elastic body includes a recessed part opening onto a surface of the first elastic body, and the recessed part forms a gap, and a strain concentration part configured to be subjected to an increased strain during load input is set to a wall of the gap of the of the first elastic body.

Abstract: The present invention relates to a shock absorbing device incorporating a plurality of wavy shaped elements made of a superelastic material arranged in a crossing pattern, wherein pairs of crests or troughs of said wavy shaped elements made of a superelastic material are restrained to each other in a locking manner by way of connecting elements.

Abstract: A dynamic damper for a vehicle, includes: a mass; a first bolt including a first bolt head and a first bolt body; a first elastic portion having one portion flexibly bonded to the first bolt head of the first bolt and the other portion flexibly bonded to the mass; a second bolt including a second bolt head and a second bolt body; a second elastic portion having one portion flexibly bonded to the second bolt head of the second bolt and the other portion flexibly bonded to the mass; a first bracket including a first bolt-coupling plate; a first nut screw-engaged with the first bolt body of the first bolt; a second bracket comprising a second bolt-coupling plate extending in a top-bottom direction; and a second nut screw-engaged with the second bolt body of the second bolt to couple the second bolt to the second bolt-coupling plate.

Abstract: Support and carrier assemblies are dimensioned for securement along a damper housing and dimensioned to operatively support an end member of a gas spring assembly on the damper housing as well as to form a substantially fluid-tight connected between the end member and the damper housing. The support and seal assembly can include a seal assembly with a seal carrier and at least one sealing element. The seal carrier can be dimensioned for securement along the damper housing. The at least one sealing element can be dimensioned sealingly engage the seal carrier and one of the end member and the damper housing to at least partially form the substantially fluid-tight connection therebetween. End member assemblies including such support and carrier assemblies are included. Gas spring and damper assemblies as well as suspension systems are also included.

Abstract: The present invention provides a liquid-filled vibration isolator with improved durability. The liquid-filled vibration isolator includes a shaft unit, a first unit, an elastic body coupling the first unit and shaft unit, and a second unit mounted radially outside the first unit. The first unit includes a pair of annular elements, a pair of coupling elements coupling the annular elements, while the elastic body includes outer face portions bonded to outer surfaces of the coupling elements. The outer face portions include lips making contact with the second unit, and first segments making contact with the second unit on areas larger than the lips. The second unit restrains the annular elements along the entire circumferences, and compresses the lips and first segments in the radial direction.

Abstract: In one aspect, a system for reducing the vibrations transmitted to sensors mounted on a tillage implement may include an implement frame and a vision-based sensor coupled to the implement frame. The vision-based sensor may be oriented relative to the implement frame such that a portion of the ground is positioned within a field of view of the vision-based sensor. As such, the vision-based sensor may be configured to capture image data of the soil positioned within the field of view. The system may also include a damper coupled between the vision-based sensor and the implement frame. The damper may be configured to allow relative movement between the vision-based sensor and the frame to reduce a magnitude of the vibrations transferred from the implement frame to the vision-based sensor.

Abstract: A fixture for sticking balance blocks to the surface of a hub includes a base, in which a fixed plate is welded to one side of the upper end of the base, a slide rail butted to the fixed plate is connected to the other side of the base by bolts, a sliding block is connected to the slide rail in a sliding manner, the middle positions of the fixed plate and the sliding block are respectively connected with a first roller and a second roller of the same type by bearings, each of the first roller and the second roller is sleeved with a rubber sleeve of the same specification, and a support table is mounted under the base.

Abstract: A cord fastener has a cord fastener main body and a bottom plate provided with at least two linear sliding holes, and a first bulge formed on an inner wall of a sliding terminal of the sliding hole. The linear sliding holes are arranged such that distances from two end faces of the bottom plate respectively to the first bulge are different. At least two fixing feet are provided on the cord fastener main body and the fixing foot is provided with a second bulge configured to abut the first bulge after the fixing foot passes through a positioning hole in a piece of cloth and the corresponding sliding hole in the bottom plate in sequence.

Abstract: A divider bar for an energy guide chain comprising chain links having two side plates which at least in some chain links are connected together by two transverse bars. In its central part the divider bar has at least one elongate opening in the form of a through hole for a transverse plate, wherein the opening opens to a narrow side of the divider bar by way of an insertion aperture so that a transverse plate can be inserted through the insertion aperture In relation to each opening the divider bar has a respective bending region by means of the bending of which the gap size of the insertion aperture of the associated opening can be varied. In that way the gap size of the insertion aperture, in particular in the installed state of the divider bar, can be reduced to a dimension which is slight in comparison with the internal width of the opening, whereby inter alia an inserted transverse plate is secured.

Abstract: A continuously variable transmission in which a circular driver, positioned between and frictionally engaged with op posing surfaces of two oppositely rotatable disks, which are urged towards each other with a biasing mechanism, is mounted to, and is movable axially along, a drive shaft which extends radially from an input shaft which rotates the drive shaft about a longitudinal axis of the input shaft, and wherein output drive is taken from the disks via a speed balancing system.

Abstract: In a power-shift two-speed transmission for transmitting propulsion power, in particular propulsion power from an electric motor, within a motor vehicle drivetrain, possibly driven by electric motor, of a passenger car, by means of which a direct drive and a transmission stage with a transmission ratio that differs from the direct drive can be implemented and which has the three assembly units comprising an outer gear unit, a planet gear unit and a sun unit, it is provided for the propulsion power to be introduced into the transmission via the outer gear unit when propulsion power is being transmitted.

Abstract: A transmission of a motor driving vehicle, may include an input shaft connected to a driving motor and including a first clutch and a second clutch, a planetary gear set including a first rotation element directly connected to the input shaft, a second rotation element connected to the input shaft through the first clutch, and a third rotation element being able to be restrained from rotation, a gear pair configured to transmit power to the output shaft through the planetary gear set, a gear pair configured to transmit power to the input shaft without change, and additional clutches configured to control connection of the gear pairs and connection of rotation elements of the planetary gear set.

Abstract: Provided is a tensioner capable of reducing a machining or mounting load and preventing leakage of oil from a surface for mounting a tensioner with a simple configuration. A tension body having a plunger-receiving hole into which a plunger is slidably inserted is configured to have a projection portion on a mounting surface that face a wall surface having an oil discharge hole of amounting target object. The projection portion is configured to be inserted into the oil discharge hole and to be continuously connected to the oil supply path formed in the tensioner body to form an oil passage.

Abstract: In some aspects, reciprocating engines can include a first reciprocating mechanism that includes an axially translating y-axis component configured to reciprocate substantially along a y-axis with a reciprocating motion of a piston assembly relative to a base to which the y-axis component is slidingly attached. The first reciprocating mechanism can include an x-axis component slidingly coupled to and translating with the y-axis component along the y-axis, the x-axis component being: i) configured to reciprocate substantially perpendicularly to the y-axis relative to the y-axis component, ii) comprising an orbital output component, and iii) comprising an orbital linking component disposed substantially concentric with the orbital output component. The first reciprocating mechanism can include a stationary output component and a stationary linking component that are substantially concentric and disposed in a direction that is substantially perpendicular to the x-y plane.

Abstract: A tailgate adjuster in a preferred example comprises an adjustably locking rotatable bracket comprising a plurality of rotatably linked shank components, with at least one shank component joined to a sprocket component having a plurality of sprocket teeth, and at least one other shank component joined to a rotatable trigger component having a sprocket-engaging trigger tooth. The trigger component is preferably spring biased to maintain the trigger tooth in an engaged position with the sprocket teeth, and can be adjusted to disengage the trigger component from the sprocket teeth. The sprocket teeth are spaced to permit the locking of shank components at a desired angle to each other. Holes at each end of the tailgate adjuster permit the rotatable mounting of one such end to a vehicle tailgate or hatchback and the other end to a fixed location of the vehicle.

Abstract: A gearless drive comprising a reference crankshaft, a high-speed crankshaft, one or more linkages, and a low-speed member with linear slides is disclosed. The present invention provides a 2:1 reduction ratio without any gears, belts, chains, friction couplings, or other engaging members. Certain embodiments are balanced and may operate at high speed with little vibration. Pre-loaded rolling or self-lubricated joints may be used to eliminate backlash and the need for a lubrication system altogether. It is co-axial, does not slip, and may be produced using inexpensive materials, components, and manufacturing processes in both large and small form factors, due to the absence of any high-precision components. These advantages are well suited to applications which require high input speeds, low ratios, high efficiency, low complexity, high reliability and low cost.

Abstract: There is presented various embodiments disclosed in this application, including an improved crankshaft system using a load connecting member which provides a greater maximum torque angle than a conventional system, thereby improving efficiency and power.

Abstract: The improved gearbox mechanism of the present invention includes a plurality of cam-actuated gear block assemblies, which transfer power from a power shaft to a secondary or output gear element. Each gear block assembly includes a gear block having a surface that periodically interfaces with a secondary or output gear element. In a preferred embodiment the interface surface comprises a plurality of projections or teeth which correspond to complementary projections or gear teeth on the output gear element. Each gear block assembly further includes a gear block, a rocker arm, cam followers and/or gear block tracking post, which connect or link the gear block to a cam assembly, which in turn is connected to a power source.