Abstract: An example axial pump for delivering liquid coolant to cool an electronic device comprises a conduit defining a flow path from an inlet of the conduit to an outlet of the conduit and an impeller in the conduit. The impeller is rotatable about an axis of rotation parallel to the flow path. The pump also has a motor stator configured to drive rotation of the impeller body about the axis of rotation. In addition, the pump comprises an adjustment mechanism coupling the impeller to the conduit. The adjustment mechanism is actuatable to cause translation of the impeller relative to the conduit. This may allow for adjustment of a clearance between a blade tip of a blade of the impeller and a wall of the conduit.

Abstract: A drive system includes: a remote drive configured for being driven by an electrical motor; and an actuator spaced apart from and fluidically coupled with the remote drive and configured for being fluidically powered by the remote drive.

Abstract: An electro-hydraulic artificial muscle with three-dimensional interactive stacked electrodes includes at least two flexible conductive electrodes wrapped by a flexible insulation material. The flexible conductive electrodes are interactively stacked, immersed in a fluid dielectric and then are wrapped by a flexible sealing layer. Two ends of the flexible conductive electrodes that are three-dimensionally interactively stacked are led out from the flexible sealing layer to be connected with an external power supply. The two ends of the flexible conductive electrodes that are three-dimensionally interactively stacked are connected with the flexible sealing layer. Under the action of an applied electric field, the flexible conductive electrodes wrapped by the flexible insulation material break down the fluid dielectric and approach each other. Simultaneously, the fluid dielectric between the flexible conductive electrodes wrapped by the flexible insulation material is extruded.

Abstract: This invention discloses a pneumatic and cable-driven hybrid artificial muscle, comprising pneumatic actuator, pneumatic pressure regulating assembly, and cable drive assembly. The pneumatic pressure regulating assembly is connected to the pneumatic actuator to regulate air pressure in the pneumatic actuator for controlling the pneumatic actuator to extend or contract. The cable actuation assembly comprises a cable fixedly connected to the pneumatic actuator for controlling the pneumatic actuator to contract. In this invention, the artificial muscle employs a dual pneumatic and cable actuation mechanism. By leveraging the inherent stiffness of the pneumatic actuator, it can provide substantial actuation force for joint movement. Simultaneously, the cable actuation assembly can provide significant pulling force, effectively ensuring safety in human-machine interaction and offering sufficient bidirectional aiding force to individuals with disabilities who use the artificial muscle as an aiding actuation device.

Abstract: A battery-powered log splitting machine can include a frame structure, a first hydraulic actuator supported by the frame structure and including a first piston rod assembly movable between extended and retracted positions, a splitter wedge connected to the piston rod assembly, a second hydraulic actuator in fluid communication with the first hydraulic actuator in a series arrangement, a linear electric actuator operably coupled to the first hydraulic actuator, a battery pack for powering the linear electric actuator, and an operator input controlling operation of the linear electric actuator. When the operator input is displaced in a first direction, the electric motor is energized to result in the first piston rod assembly moving towards the extended position. When the operator input is displaced in a second direction, the electric motor is energized to result in the first piston rod assembly moving towards the retracted position.

Abstract: A constant value method for detecting and evaluating internal leakage in a hydraulic cylinder and a detection device. The method comprises: step (1) measuring an accurate pressure drop value ?p of the internal leakage in the hydraulic cylinder; step (2), determining whether the detected hydraulic cylinder meets a standard: if the product of the accurate pressure drop value ?p of the internal leakage in the hydraulic cylinder and a corresponding hydraulic stroke L, is less than a standard parameter C for evaluating the internal leakage in the hydraulic cylinder, C = 4 ? QtK ? ? D 2 , the internal leakage in me hydraulic cylinder meets the standard. Otherwise, the internal leakage in the hydraulic cylinder does not meet the standard. The detection device comprises a motor, a hydraulic pump, a directional valve, a detected part, a pipeline disassembly joint and a pressure sensor.

Abstract: A hydraulic arrangement includes a hydraulic cylinder and a hydraulic pump for its pressure medium supply, which can be driven by an electric motor of the arrangement and can be fluidically connected to a cylinder chamber via a pressure medium flow path. At least one shutoff valve is provided in the pressure medium flow path, through which the pressure medium flow path can be hydraulically disconnected for load holding of the hydraulic cylinder without drive. An operating variable of the electric motor is determined or detected upon hydraulic disconnection of the pressure medium flow path, and the detected or determined operating variable is set and tracked on the electric motor upon setting a condition at which the pressure medium flow path is opened.

Abstract: A fastening element includes a body portion and a fastening portion. The body portion is used to assemble a first object. The fastening portion is movably combined in the body portion, the fastening portion is provided with a height limiting portion, and the fastening portion is used to assemble a second object. The height limiting portion is abutted against the second object or limits a fastening stroke of the fastening portion, or the height limiting portion limits a distance between the first object and the second object. Accordingly, the fastening element can quickly combine and separate at least two objects, and achieve the effect of combining and separating repeatedly and quickly.

Abstract: Mat locking pins include a pin body and a wheel housed within the pin body, the wheel configured to be movable from a first position to a second position, wherein in the first position the wheel is housed within the pin body and in the second position at least a portion of the wheel extends from the pin body. Mat systems include such mat locking pins to enable movement of the may system and/or secure two mats together.

Abstract: A fastener structure used to arrange a second object on a first object and a method of use of the fastener structure includes an engaging portion, a direction limiting portion, and an assembly portion. The engaging portion is for engaging to a second object. The direction limiting portion is connected to the engaging portion and is for limiting a movement direction of the second object engaged with the engaging portion. The assembly portion is for assembling to the first object.

Abstract: Disclosed is a support clip for two or more tubular components. The support clip having a first resilient outer frame member and at least one second resilient outer frame member. The first resilient outer frame member is coupled to a central support member that is adapted to resiliently engage an opposing surface of at least one external structure. The at least one second resilient outer frame member is coupled to the central support member opposite the first resilient outer frame member. First and second lateral frame portions are arranged laterally opposite each other about the central support member and adapted to resiliently engage an opposing surface of the at least one external structure. A first open-ended sleeve member and a second open-ended sleeve member are arranged between the first resilient outer frame member and a respective one of the first and second lateral frame portion.

Abstract: A follower device is disclosed which includes a friction surface, a neck, and at least one shelf. The at least one friction surface and the at least one shelf may extend from the neck, and the slot may be adjacent to the neck. The follower may be disposed in a telescoping tube and allow closure or retraction of the telescoping tube automatically by pulling on an inner tube to disengage a button lock, termed an overpull and then collapsing the telescoping tube without interference from the button lock.

Abstract: A tubular end to end coupling structure includes a first inclined tube having a first inclined surface, a second inclined tube having a second inclined surface, and a coupling structure. The first inclined tube and the second inclined tube are connected by the coupling assembly. The coupling assembly includes a plurality of first convex teeth, tooth grooves, second convex teeth and second tooth grooves. The first convex teeth are engaged in the second tooth grooves, and the second convex teeth are engaged in the first tooth grooves. A first protrusion having a through hole is formed at the first inclined surface, a second protrusion having a through hole is formed at the second inclined surface, a first sidewall hole is formed in the first inclined tube, and a second sidewall hole is formed in the second inclined tube.

Abstract: A chassis quick release device includes a housing including a base with a connected sliding channel and accommodating space therein and a cover assembled with the base, a locking block linearly movably set in the accommodating space, and an operating handle having a rod body positioned on the sliding channel and a grip assembled with the rod body. The rod body has a cylindrical joint that corresponds to the grip and has a shaft groove defined therein. The grip is provided with a sleeve corresponding to the cylindrical joint and defining therein an accommodating cavity. Moving the operating handle in the direction of the housing causes the locking block to slide out from the accommodating space to form a locked state. Pulling the operating handle away from the housing causes the locking block to move linearly in a second direction to form an unlocked state.

Abstract: Provided is a shaft support structure capable of improving mounting accuracy of a shaft to be press-fitted. The shaft support structure includes a main shaft adapter and a main shaft as a supporting member including a press-fitting portion for press-fitting the main shaft adapter from one end portion. The main shaft adapter has a tapered surface portion having a diameter of one end portion smaller than a diameter of a peripheral surface. The tapered surface portion is subjected to curved surface processing at a connecting portion with the peripheral surface.

Abstract: A rivet system comprises (i) a screw comprising a threaded shaft, (ii) a rigid sleeve comprising a hole extending therethrough for receiving the threaded shaft, (iii) a deformable sleeve comprising a hole extending therethrough; and (iv) a rigid base comprising a threaded hole on a first end of the rigid base, where the first end is configured to insert and advance into the hole of the deformable sleeve to allow the threaded hole of the rigid base to threadedly engage with the threaded shaft of the screw, and where the rigid base comprises an annular channel configured to receive at least part of the deformable sleeve when the first end of the rigid base is inserted and advanced into the hole of the deformable sleeve.

Abstract: In order to improve fastening precision, the present disclosure provides a projection-type blind hybrid fastening apparatus for fastening a first frame part which has an upper open side and through which a first coupling hole is formed and a second frame part through which a second coupling hole is formed, the apparatus including a projection fastening part including a head portion that extends outward from an upper rim surface of the first coupling hole and an extension support portion which extends upward from an inner end of the head portion and through which a first through-hole is formed on an inner circumference thereof, a blind fastening part which extends integrally upward from the extension support portion and through which a second through-hole communicating with the first through-hole is formed on an inner circumference thereof, and a tool coupling part which extends integrally upward from the blind fastening part and through which a third through-hole communicating with the second through-hole is

Abstract: A fastener for securing a substrate to an underlying roof structure, comprising a head and an elongate shank extending therefrom, the shank having a threaded section and a drilling tip, with the drilling tip being configured to enable the fastener to be self-drilling, and wherein the head is configured to be arranged substantially flush with the substrate when the substrate is secured to the roof structure by the fastener.

Abstract: An attraction system includes a first component, a second component, a fastener configured to couple the first component to the second component, a radio frequency identification (RFID) tag including a torque stripe extending between the fastener and a reference point of the attraction system, wherein the RFID tag is configured to emit a radio frequency (RF) signal in response to the torque stripe being unbroken, and an RFID reader configured to detect the RF signal.

Abstract: A fastener includes a head, shank and a point of specific length, shape and parts. The shank has two parts, a smooth shank and deformed shank. There is a specific ratio for length between the smooth shank and deformed shank. The deformed shank is ringed. A specific thickness, specific material and specific dimension and design of head, shank and point is designed to have superior load and withdrawal strengths. The diameter of the fasteners are 0.115, 0.125, and 0.135. The fasteners are offered as single unit or multiple units for use.

Abstract: To improve fastening precision and economic feasibility, the present disclosure provides a clinching-type blind hybrid fastening apparatus inserted into and fastened to a frame part through which a first coupling hole is formed in a hollow shape and on one side of an upper surface thereof and a second coupling hole is formed on a lower surface thereof, the apparatus including a body part which is inserted into the frame part and has an outer lower surface rim seated on an upper surface rim of the second coupling hole, a blind fastening part including a rivet fastening portion that integrally extends upward from the body part and has an upper end disposed above the first coupling hole, a close contact step portion that is integrally formed at an upper portion of the rivet fastening portion, and a head portion that extends outward from an upper end of the close contact step portion, and a clinching fastening part that is integrally extending downward from the body part and has a lower end disposed below the sec

Abstract: A generally T-shaped connecting element adapted to connect a first component to a second component with lateral tolerance compensation, which are arranged in a distance with respect to each other, comprises a hollow shaft having a through-hole, a laterally, which may be radially, outwardly extending collar at a first axial end of the hollow shaft and an inner thread in the hollow shaft for engagement with a connecting screw, a plurality of flexible webs extending laterally, which may be radially, outwardly from the hollow shaft, and being flexible in the lateral, which may be radial, direction, and a tolerance gap for receiving an intermediate support of the first component is formed between a bottom side of the collar facing the flexible webs and the sides of the flexible webs facing the collar.

Abstract: The present subject matter relates to a connector for two components of which the first component has a first bore extending from a bearing surface and the second component has an opening extending from a bearing surface and has a second bore traversing the opening. The connector comprises a retaining bolt with a threaded portion for screwing into or behind the first bore and an unthreaded portion for inserting into the opening. The unthreaded portion is traversed by a transverse bore, and a tensioning bolt with a conical end, which, when the retaining bolt is screwed into or behind the first bore and inserted into the opening, can be inserted into the second bore and into the transverse bore, to align them relative to one another and thus tension the bearing surfaces against one another.

Abstract: The invention relates to a spring head screw assembly (8) incorporating a spring head screw (10) having a head (12) with a conical skirt (14) that widens towards the free end of a threaded shank which adjoins the head (12), wherein the spring head screw assembly (8) has a washer (30) which is located between the skirt and the threaded part (20) of the shank (16) in an unthreaded part (18) of the shank that has a bolt diameter (d0). The inner surface (22) of the skirt transitions into the shank at a radius (Ru), wherein the inner surface (22) forms a contact angle (?) with a support plane (EA). The support plane is defined by the end of the skirt facing the free end of the screw and is orthogonal to the screw axis. The shank has, between the support plane and the radius in the transition to the skirt, a cylindrical region having the bolt diameter.

Abstract: A screw locking unit structure includes a screw main body having a head portion, a stem portion extended from a lower side of the head portion, a first screw locking section located below the stem portion, and a second screw locking section located below the first screw locking section; and an elastic element being externally fitted around the stem portion. The first screw locking section and the second screw locking section are externally provided with a first and a second male thread, respectively. The first and the second male thread are structurally different from one another to not only enable the screw main body to be temporarily held to an assembling interface before the latter is screw locked in place later, but also provide a function of stopping screwing automatically to prevent the second locking section extended through the assembling interface from being excessively screwed into a heat source.

Abstract: A hinged joint is described for connecting an outer housing frame member to an inner housing frame member, the hinged joint comprising an outer housing associated with the outer housing frame member, the outer housing having an elongate seat disposed between opposing side walls, and a hinge pin supported by each of said side walls; an inner housing associated with an inner housing frame member, the inner housing being at least partially receivable on the elongate seat of the outer housing, the hinge pin being operatively locatable in a hinge pin guide of the inner housing, the hinge pin guide having a locking guide part and an unlocking guide part, wherein movement of the outer housing is in association with movement of the hinge pin in the hinge guide of the inner housing. Frames comprising a plurality of frame members connected by the hinged joint are also described.

Abstract: A gas bearing device is a gas bearing device using a gas as a working fluid, including: a rotational shaft; a housing where the rotational shaft penetrates; an annular top foil disposed inside the housing and surrounding an outer periphery of the rotational shaft; a back spring disposed between the top foil and the housing, and having a plurality of crests contacting the top foil and a plurality of valleys contacting the housing; and a pair of snap rings fitted in shaft holes where the rotational shaft of the housing penetrates, and configured to restrict movement of the back spring in an axial direction of the rotational shaft. The gas bearing device has a turning groove inclined with respect to an axis of the rotational shaft, in at least one of the pair of snap rings or in a region of the rotational shaft facing at least one of the pair of snap rings.

Abstract: An internal pore of a sintered metal bearing 8 is impregnated with a lubricating fluid, and a radial dynamic pressure generation portion 8a1 is formed on an inner peripheral surface 8a. An axial dimension L is 4.8 nm or less, a thickness dimension t is 0.5 mm or more and 1.5 nm or less, and a ratio L/D2 of the axial dimension L to an outer diameter dimension D2 is 0.24 or more and 0.6 or less.

Abstract: A crown type cage for a ball bearing includes an annular main portion, a plurality of pillar portions protruding in an axial direction from the main portion at predetermined intervals in a peripheral direction, and a spherical pocket formed between the adjacent pillar portions and capable of holding balls. The pillar portion has a pair of claw portions of which tip end portions are spaced apart from each other, and a connection portion that connects the pair of claw portions. A bottom surface of the main portion is provided with a part protruding in the axial direction.

Abstract: A bearing and a sealing device. The sealing device includes: a skeleton; and a sealing part, which, taken as a whole, is of an annular structure, the sealing part comprising an elastic part and a plastic part, and the elastic part being fixed to the skeleton. After the sealing device is arranged between a bearing inner ring and a bearing outer ring, the plastic part and the bearing inner ring form contact sealing, the elastic part and the plastic part are relatively fixed, and in the radial direction, at least part of the plastic part is arranged between the bearing inner ring and the elastic part. The coefficient of friction of the material of the plastic part is smaller than the coefficient of friction of the material of the elastic part.

Abstract: A wheel bearing includes a rotary element mounted on the wheel and configured to rotate together with the wheel; a non-rotary element fixedly mounted on the vehicle body; one or more rolling bodies provided between the rotary element and the non-rotary element; a sensor target mounted on the rotary element and configured to rotate together with the rotary element; and a wheel speed sensor disposed adjacent to the sensor target to sense a rotational speed of the rotary element. The wheel speed sensor may include a first sensing part and a second sensing part configured to sense a change in magnetic field caused by the rotation of the sensor target, and the second sensing part may be disposed to be spaced apart from the first sensing part in longitudinal and widthwise directions of the wheel speed sensor.

Abstract: In a claw-type gearshift, a blocking ring is arranged axially between a hub body having a sliding sleeve and a clutch body such that it is rotatable between a release position and two locking positions. The blocking ring is adapted to be displaced toward the clutch body until conical friction surfaces on the blocking ring and on the clutch body come into contact. The blocking ring constitutes a form-locking blockade for the sliding sleeve against displacement of the sliding sleeve teeth between the clutch body teeth when an axial shifting force is applied in the non-synchronized state. When the claw clutch is shifted, a difference in speed between the clutch body and the hub body is reduced and the sliding sleeve is deflected in the axial direction toward the speed change gear to be shifted, as a result of which a friction surface of the blocking ring and a mating friction surface of the clutch body come into contact.

Abstract: The present disclosure relates to the technical field of bicycle freewheels, and discloses a novel bicycle freewheel, including a cassette body, and further including a split freewheel set arranged at a front portion of the freewheel, an integrated freewheel set arranged at a middle portion of the freewheel, and a bottom freewheel plate arranged at a rear portion of the freewheel; the split freewheel set is composed of a plurality of freewheel plates with single teeth; the freewheel plates are respectively mounted at a front portion of the cassette body; the entire integrated freewheel set is mounted at a middle portion of the cassette body; and the integrated freewheel set is riveted to the bottom freewheel plate. The present disclosure has the advantages of no damage to the cassette body, easy assembling and disassembling, easy replacement, capability of reducing the use cost, and the like.

Abstract: The present disclosure relates to a return spring for a brake caliper, a brake pad equipped with the return spring, and a brake caliper equipped with the brake pad. The return spring includes a main plate formed as a flat plate, a returning portion connected to the main plate and providing a return force resulted from elasticity of the returning portion when the brake pad moves, a load supporting portion connected to the main plate and elastically supporting a load of the brake pad, and a sliding portion connected to the main plate and rubbing against an inner surface of the guide groove when the brake pad moves.

Abstract: A brake pad and thrust device assembly for a brake caliper may have at least one brake pad and at least one thrust device, where each thrust device is reversibly connectable to the brake pad.

Abstract: A brake device includes a caliper body, a brake pad disposed on the caliper body and including a friction member positioned on a first surface thereof and side protrusions protruding from left and right side surfaces of the brake pad, a return spring having one side coupled to the side protrusion of the brake pad and the other side coupled to the caliper body, and a load spring having one side coupled to the side protrusion of the brake pad and the other side coupled to the caliper body, and supporting a weight in a vertical direction of the brake pad. As a pad liner is removed and the three functions of the pad liner are separately achieved, a size of an unnecessary member is reduced and a performance is improved.

Abstract: A caliper brake includes: a housing; pistons respectively disposed on opposite sides in the housing; inner and outer pad plates at least partially disposed on the opposite sides in the housing and configured to be movable by each of the pistons; friction pads respectively disposed on the inner and outer pad plates; and a pad spring configured to guide a movement of the inner and outer pad plates in the housing, wherein each of the inner and outer pad plates includes protrusions on its opposite sides, the pad spring includes two guide supports configured to guide the movement of the inner and outer pad plates, each of the guide supports includes: a concave bent portion into which one of the protrusions of the inner and outer pad plates is inserted; and a returner configured to elastically support one of the inner and outer pad plates to return to an original position.

Abstract: The present application provides an electromechanical brake and vehicle. The electromechanical brake includes a first brake motor and a second brake motor, a transmission device linked to the first brake motor and the second brake motor, and a brake actuator linked to the transmission device, with the transmission device transmitting a brake torque of the first brake motor and the second brake motor to the brake actuator. The transmission device includes a differential, with the differential being coupled to the first brake motor and the second brake motor respectively to receive the input torque of the first brake motor and the second brake motor, and output the integrated torque to the brake actuator.

Abstract: An electric brake apparatus includes a control unit connected to an electric motor, a first connector portion connected to the control unit and used for power feeding and input of one of redundant signals, a second connector portion connected to the control unit and used for power feeding and input of another of the redundant signals, and a third connector connected to the control unit and used for input of a signal related to a wheel speed. This allows providing redundancy for control associated with power feeding and rotation of the electric motor and also reducing noise in the input signal of the wheel speed.

Abstract: An example rotational joint assembly for a robotic medical system, the rotational joint assembly comprising at least one arm segment and a rotational joint provided at one end of the arm segment. The rotational joint is to allow the arm segment to rotate about a rotational axis. The rotational joint comprising a brake to lock rotation of the arm segment at the rotational joint and an actuator to selectively engage or disengage the brake. The actuator comprising a cam having two stable regions separated by two transition regions, the two stable regions comprising a first stable region corresponding to engagement of the brake and a second stable region corresponding to disengagement of the brake.

Abstract: A particle damping assembly designed provides enhanced vibration control, especially for use with sound systems. The assembly comprises a housing encompassing multiple containers. Each container is designed to hold particles of varying sizes that contribute to the particle impact damping effect, offering improved sound quality by mitigating unwanted vibrations.

Abstract: A system includes an electrical component, an insulating support structure supporting the electrical component at a first electrical potential higher than an electrical ground potential, and an insulating pendulum having a proximal end attached to the electrical component and suspended away from the electrical component to at least partially span the first electrical potential, the insulating pendulum further includes a tuned mass disposed at a distal end of the pendulum at a second electrical potential less than the first electrical potential. The system may also include a damping mechanism.

Abstract: Energy distribution structures provide architectural flexibility in various configurations, materials, and scalability, which enables a vast number of applications. An energy distribution structure or array thereof may include a three-dimensional outer component and a three-dimensional inner component within the outer component. The outer component absorbs and redirects initial energy from an applied energy event, and the inner component absorbs and redirects residual energy from the applied energy event. Such an applied energy event may be caused by a ballistic or non-ballistic impact, an instantaneous or prolonged impact such as atmospheric pressure or decompression, explosive overpressure (shockwave), low-velocity contact, and blunt force trauma. Energy distribution structures can increase the strength, resilience or survivability of such events, and reduce the injury or damage to target objects such as people, vehicles, structures, vessels and surfaces by shielding same from such events.

Abstract: A vibration damper with a hydraulic connection includes a check valve and a venting valve. The check valve and the venting valve can be actuated separately, and a hydraulic communication between the vibration damper and a connection opening of the hydraulic connection is switchable via the check valve. The venting valve is hydraulically connected in parallel with the check valve, and the hydraulic connection has a filling connection which is outfitted with the venting valve. The filling connection is opened independent from the position of the check valve and is closed by the venting valve.

Abstract: A gear box includes a first planetary gear and a second planetary gear. The gear box further includes a first carrier of the first planetary gear coupled to a second ring gear of the second planetary gear. The gear box also includes a first ring gear of the first planetary gear coupled to a second carrier of the second planetary gear. The gear box further includes a first sun gear of the first planetary gear coupled to a first output shaft. The gear box also includes a second sun gear of the second planetary gear coupled to a second output shaft.

Abstract: A group transmission device includes an upshift assembly with a first transmission element, a second transmission element and a third transmission element. A downshift assembly has a first transmission element, a second transmission element and a third transmission element. A main shaft is arranged coaxially to the upshift assembly and a layshaft is arranged parallel to the main shaft. A first idler gear is arranged coaxially to the main shaft and axially between the upshift assembly and the downshift assembly and is connectable to the main shaft for conjoint rotation by a first shift unit. The first idler gear is connectable to the third transmission element of the downshift assembly for conjoint rotation by a second shift unit.

Abstract: A group transmission device includes a main transmission which has a main shaft, a countershaft and a spur gear pair which includes a first spur gear arranged coaxially and axially overlapping with the main shaft and a second spur gear arranged coaxially and axially overlapping with the countershaft. A range group has a first shaft non-rotationally connected to the main shaft, a second shaft non-rotationally connected to a transmission output shaft, a third shaft and a blocking switching unit. A first switching unit non-rotationally connects the third shaft to a housing. A second switching unit has an axially shiftable switching element and non-rotationally connects the third shaft to the first spur gear. The main shaft is coupled non-rotationally to a transmission input shaft. A third switching unit has an axially shiftable further switching element and non-rotationally connects the first spur gear to the first shaft of the range group.

Abstract: A differential lock for locking compensation movements between drive output shafts (4) in a differential gearbox of a vehicle is disclosed. In the locking condition, at least one of the drive output shafts (4) is connected with interlock to a differential cage (2) connected to a drive input, where a sliding sleeve (5) is arranged coaxially relative to the drive output shaft (4) and connected rotationally fixed to the drive output shaft (4). The sliding sleeve can be moved by means of a piston element (6) in such manner that radial-side external teeth (7) of the sliding sleeve (7) can be brought into engagement with radial-side internal teeth (8) of the differential cage (2). In addition, a differential gearbox with the differential lock is proposed.

Abstract: A differential lock is configured for locking compensation movements between drive output shafts (4) in a differential gearbox of a vehicle. In the locking condition, at least one of the drive output shafts (4) is connected with interlock to a differential cage (2) connected to a drive input, by means of a sliding sleeve (5) which is connected rotationally fixed to the drive output shaft (4) and can be displaced axially. For axial movement of the sliding sleeve (5), which is prestressed against at least one spring element (7), the action of a pressure (6) is provided. The spring element (7) is arranged, at least partially, radially inside the sliding sleeve (5). In addition a differential gearbox with the differential lock is proposed.

Abstract: Disclosed is a power distribution device, including: a case rotatably provided; a first side gear connected to a first wheel; a second side gear connected to a second wheel; a pinion gear meshed with the first side gear and the second side gear; a cage provided to support the pinion gear and to be capable of relative rotation with respect to the case; a first lock plate contacting and spaced apart from the first side gear such that the first side gear is synchronized and unsynchronized with the case; and a second lock plate contacting and spaced apart from the cage such that the cage is synchronized and unsynchronized with the case. Accordingly, it is possible to improve a size, mountability, weight and cost, and to suppress unintentional release of the lock differential, as the disconnecting function and lock differential function are implemented.