Abstract: A component includes a component body which has a toothed section. An adaptive coating is applied, at least in parts, to the toothed section, the coating having a thickness of at least 5 ?m. The adaptive coating may have a hardness gradient that has an increasing hardness from an outer coating surface in the direction towards the component body.

Abstract: A component includes a component body which has a toothed section. An adaptive coating is applied, at least in parts, to the toothed section, the coating having a thickness of a maximum 5 ?m. The adaptive coating may have a hardness gradient that has an increasing hardness from an outer coating surface in the direction towards the component body.

Abstract: A gear includes teeth 3 to be engaged with teeth of a corresponding gear to transmit a rotational motion, in which a form (b) of a tooth root side of each tooth 3 includes: a first curved surface c which smoothly connects with a tooth surface a having an involute curve and has a profile represented by a curve which is convex in a direction opposite to the involute curve of the tooth surface a; and a second curved surface d which smoothly connects with the first curved surface c and has a profile defined by a quadratic function having a curve being convex in the same direction as that of the first curved surface c. Therefore, a stress generated on the tooth root side at the time of engagement with the teeth of the corresponding gear can be reduced, and the strength of the teeth can be increased.

Abstract: A gear or gear assembly, for example for use in a gear train or other drive system relating to an engine such as an internal combustion engine, can be matched to the thermal expansion other engine components, such as for example a support structure for gear shafts on which gears of the gear train rotate, while maintaining structural strength in the teeth and other contact surfaces of the gear.

Abstract: An integrated member can comprise different members each formed of materials having different mechanical characteristics. A method for manufacturing such an integrated member can comprise an electric resistance welding step in which the first member is press-fit into the second member and the press-fit portion can be electrically energized to achieve the electric resistance welding so as to integrate the first member and the second member. The method can further comprise a carburized layer forming step in which carburizing-quenching and tempering, or carbonitriding-quenching and tempering, is performed on the integrated member obtained in the electric resistance welding step to form carburized layers therein in accordance with the mechanical characteristics of the first member and the second member.

Abstract: A drivable projection for a toner cartridge drum gear includes an axially extending support portion having a plurality of axially extending edges and an end face. A plurality of substantially spherical engagement portions are supported by the support portion, and each engagement portion defines a center that may be substantially aligned with the end face and/or substantially aligned with a respective one of the plurality of axially extending edges. The engagement portions are configured to receive driving rotatable force from the drive mechanism of a printer.

Abstract: An angle sensor for determining a rotation angle of a rotatable body, such as a steering column in a motor vehicle, includes a gear wheel. The orientation of a magnetic field generated by the gearwheel is configured to be detected by a magnetic field sensor. The gear wheel is comprised of a magnetisable material, such as hard ferrite, into which a magnetisation is introduced. The gear wheel is stronger in a central region than in an edge region in which the teeth are arranged. In order to weakly magnetise the edge region, which minimizes a negative influence of the teeth on the homogeneity of the generated magnetic field, the front face of the gear wheel is configured to be magnetized. The magnetisation process advantageously takes place at the same time as an injection moulding process to form the gearwheel. A method is implemented to produce the gear wheel.

Abstract: A driving gear includes a shell for fixed connection with a photosensitive roller, a coupling member detachably mounted inside the shell, and a driving member for being driven by a driving shaft located inside a printer. The shell includes two convexities and a rib for engaging two hook pieces and a fitting slot of the coupling member respectively. The coupling member includes a tunnel and a limiting portion located inside the tunnel. The driving member includes a first end portion located between the limiting portion and a bottom portion of the shell, a second end portion extending out of the coupling member, and a protrusion protruding from the first end portion and located in a limiting slot of the coupling member. Therefore, it will be not difficult for the user to install or detach the driving gear to or from the photosensitive roller.

Abstract: The invention relates to a gear train (51, 51?) including an arbour (53, 53?) a first end of which is fitted with an integral collar (52, 52?), a first wheel set (55, 55?) made of micro-machinable material being fitted onto the second end of the arbour (53, 53?). According to the invention, the gear train (51, 51?) includes a second wheel set (57, 57?) made of micro-machinable material, which is independent of the movements of said first wheel set and which includes an aperture (58, 58?) whose wall is mounted opposite said arbour so that the second wheel set (57, 57?) is freely mounted on said first end of the arbour (53, 53?).

Abstract: A controller of the present invention is provided for valve to be connected thereto. The controller is used for executing rotation and movement motion so as to operate the stem of the valve and to control connection conditions of the valve. As such, the valve assembled with the controller can be controlled and switched automatically. Cost of management of factories is minimized.

Abstract: Balance shaft for a piston engine comprises a bearing journal, on which the balance shaft is supported, a gear section, on which a gear is connected in a rotation-locked manner thereto via a press fit or another shaft-hub-connection, and an unbalanced section having an integrally connected unbalanced mass or an unbalanced mass fastened on this unbalanced section using machine elements or via another shaft-hub connection. The balance shaft can alternately comprise steel or cast iron material in the case of a friction mounting and its bearing journals can alternately be implemented as hardened or also unhardened. If the balance shaft is mounted in roller bearings and if the roller bodies have direct contact with the bearing surface, it is implemented in a suitable steel and the bearing journals are hardened. The gear comprises nodular cast iron and is not hardened.

Abstract: A method of manufacturing a mechanical component made of steel including a surface-hardening phase. The method includes creating a rough form of the component with regions to be hardened, then successive case hardening with cooling without quenching, heating to an austenitizing temperature of the steel by induction heating the zones, and quenching.

Abstract: Provided is a method for manufacturing a gear wheel, the method including: preparing an insertion unit formed of a steel material having a hollow pipe shape; injection-molding an outer side unit including teeth on an outer circumference; and molding a connection unit having a wheel shape by injecting resin into at least three points between the insertion unit and the outer side unit so as to connect the insertion unit and the outer side unit after arranging the insertion unit on the inner center of the outer side unit. According to the method, removing of an unnecessarily injected portion may be omitted since the resin is injected between the insertion unit and the outer side unit while injection-molding the connection unit. Also, productivity is increased by decreasing a number of defective products generated due to cracks.

Abstract: A manufacturing method for a toothed member includes a thickened tooth shaping process in which a toothed shape is formed on a side wall portion while making a thickness of the side wall portion larger than a thickness of a bottom surface portion by relatively moving the compression die with respect to the restraint die and the pressure receiving member in the axial direction from the side of the opening end of the cup-shaped raw material toward the bottom surface portion. The manufacturing method being such that the thickened tooth shaping process includes applying a load against the restraint die such that the restraint die restrains the first surface and the second surface.

Abstract: A steel gear 1 includes a generally cylindrical outer peripheral ring portion 2, on an outer peripheral surface 20a of which a toothed shape 10 is formed, and a flange portion 3 provided to extend radially inward from an inner peripheral surface 20b of the outer peripheral ring portion 2. The outer peripheral ring portion 2 includes a first projecting portion 21 that projects toward one side in the axial direction with respect to a coupling position at which the first projecting portion 21 is coupled to the flange portion 3, and a second projecting portion 22 that projects toward the other side in the axial direction with respect to a coupling position at which the second projecting portion 22 is coupled to the flange portion 3. The axial length of the first projecting portion 21 is longer than the axial length of the second projecting portion 22.

Abstract: An adjusting device for a vehicle component, in particular for the seat back of a vehicle seat, has a first and a second fitting part which are disposed along an axis of rotation. The relative position of the two fitting parts with respect to one another can be changed. A torque is transmitted by a drive to a gear which rolls on the second fitting part and thereby adjusts the second fitting part.

Abstract: A steel gear includes a substantially cylindrical outer peripheral ring portion having a toothed shape formed on its outer peripheral surface; and a flange portion extended radially inward from an inner peripheral surface of the outer peripheral ring portion. The steel gear has a thermal history layer formed in the outer peripheral ring portion, and the depth of the thermal history layer in the direction inward from the tooth bottom of the toothed shape of the outer peripheral surface is greater in the first protruding portion and the second protruding portion than in the coupling portion with the flange portion, and is substantially the same between the first protruding portion and the second protruding portion. As a result, even if the “carburization/slow cooling/high-frequency quenching treatment” is used as a manufacturing method of the steel gear, the steel gear has high dimensional accuracy.

Abstract: An idler gear assembly has a compound gear consisting of two gear wheels. The gear wheels are provided with a through bore in which a thin walled bushing is press-fitted. An additional axial fixation element is provided to fixate the bushing into the bore in axial direction. The additional axial fixation element is constituted by a circular radial outward deformation of the wall of the bushing and a circular groove provided in the internal surface of the bore in which the radial outward deformation is located.

Abstract: An inner raceway (3) having a rolling element raceway facing radially outward, for an angular contact bearing arrangement, and particularly an angular ball bearing arrangement, where a cylindrical surface which is situated at the furthest outward position radially is included as a seal seat. Such inner raceways are used in wheel bearing units, for example, which have an orbital rivet bond, which in turn can also form an end-face gearing (7). The orbital rivet bond and the axial extension (8) of the inner raceway form an annular gap (20) which leads to a configuration where a decoupling of loads from the inner raceway (3) prevents an undesired deformation of the same. In addition, advantages result from the sealing of the region of the orbital rivet bond and/or the end-face gearing (7) thereof.

Abstract: The invention relates to a method (1) of manufacturing a silicon-metal composite micromechanical component (51) combining DRIE and LIGA processes. The invention also relates to a micromechanical component (51) including a layer wherein one part (53) is made of silicon and another part (41) of metal so as to form a composite micromechanical component (51). The invention concerns the field of timepiece movements.

Abstract: This invention addresses the problem of providing a press-fit structure and a press-fit method capable of improving the durability of a gear which press-fits into a ring part. As such, the embodiment of this invention is that, while one end side in the central axis direction of the ring gear abuts against a protrusion formed protruding on the outer side of the radial direction of the ring part from the outer circumferential surface of the ring of the ring part, and wherein the press-fit structure press-fits the inner circumferential surface of the gear into the outer circumferential surface of the ring part, when the inner circumferential surface of the gear is press-fitted into the outer circumferential surface of the ring part, there is a tensile strength reduction mechanism reducing the tensile strength generated in the lower portion of the gear teeth in at least the position of the aforementioned end side of the gear.

Abstract: The invention involves a gearbox, especially for adjustment devices in motor vehicles, with a plastic worm drive. The invention provides that the worm drive has an encircling, circular flat contact surface perpendicular to the worm axle and a number of removal pockets in the form of recesses that are interposed axially between contact surface and the worm axle and at the same time arranged in a level recessed to the level of contact surface, whereby an encircling bevel is formed in the transition area from level of removal pockets to the level of the circular contact surface.

Abstract: Apparatus to deliver predetermined forces, containers to hold particulate material and media, media, and the associated parameters for operating such equipment along with methods and compositions provided by the apparatus and methods.

Abstract: A transmission, in particular a coaxial transmission or linear transmission, comprising a toothing, a tooth holder in which a plurality of tooth segments are accommodated to engage with the toothing, wherein the tooth segments are borne to be radially shiftable relative to the tooth holder, a drive element having a profiling for radially driving the tooth segments borne in a radially shiftable manner, wherein the transmission has inner initial stress.

Abstract: The present invention comprises a rotating device which comprises two pairs of disks. Each pair has a first disk in a first plane and a second disk in a second plane rigidly joined to the first disk. The second plane is perpendicular to the first plane and the first disk in each pair are detachably attached to one another and the second disk in each pair are detachably attached to one another so that each pair connectedly rotates with respect to each other.

Abstract: A bevel gear used in a differential device for a vehicle is comprised of: a body having an axis, a conical pitch surface around the axis, an opposite surface opposed to the conical pitch surface, and a side surface around the axis; gear teeth formed on the pitch surface, each of the gear teeth having a top land projecting from the pitch surface; and clutch teeth formed on the opposite surface, each of the clutch teeth having a bottom land standing back from the opposite surface, each of the bottom lands of the clutch teeth being aligned with any of the top lands of the gear teeth in a line parallel to the axis.

Abstract: Disclosed is a worm wheel of a reducer of an electric power steering apparatus which is manufactured by integrally injection-molding a hub, a boss, and a gear forming part, thereby making it possible to increase a forming performance of the worm wheel and reduce an amount of material, and increasing a mechanical durability and frictional characteristics of the worm wheel to allow the reducer to be stably used for a long time, and a method for manufacturing the same.

Abstract: In a resin gear, which has a height h1 of a rim on a side including a gate from a surface including the gate of the web, a thickness T1 of the rim on the side including the gate, a height h2 of the rim on a side opposite to the side including the gate from a surface opposite to the surface including the gate of the web, and a thickness T2 of the rim on the side opposite to the side including the gate and in which h1?h2, it is configured so that T1h1<T2h2. Thereby, the shrinkage difference of the rim is reduced to a minimum.

Abstract: A welded hollow gear ring (160, 260, 360, 460, 560) with an outer (140, 240, 340) and an inner (155, 255, 355) periphery, which exhibits a gear structure (131-138, 231-238, 331-338, 331?-338?) on at least one periphery, as well as exhibiting at least one welding joint (151, 251, 351, 451, 551) which has been formed by flash butt welding. The gear structure is formed by rolling, machining, or by a combination of machining and rolling. The gear structure can comprise cogs or helical gears.

Abstract: Each tooth of a worm wheel has a first tooth flank in which a helical surface portion is arranged on one side in a rotational axis direction of the worm wheel and a concavely curved surface portion is arranged on the other side in the rotational axis direction, and a second tooth flank in which a concavely curved surface portion is arranged on the one side in the rotational axis direction and the helical surface portion is arranged on the other side in the rotational axis direction.

Abstract: The invention relates to a bevel gear wheel of a bevel gear mechanism, the teeth of which bevel gear wheel have in each case a load flank and a rear flank, wherein the rear flanks have an engagement region for rear flanks of the meshing gear wheel, wherein the outer region, which surrounds the original maximum possible usable engagement region which normally comes into engagement, of the rear flank and an outer edge region of the original engagement region are reduced in terms of the face height thereof such that said reduced regions always remain free from contact and only the remaining, inner, raised region which is reduced in size comes into contact.

Abstract: A driving apparatus includes a rotary member and a gear member. The rotary member rotates about an axis of its own. The gear member includes an inner peripheral surface which forms a space corresponding to a shape of the rotary member and an outer peripheral surface on which gear teeth are formed. The gear member is fitted to the rotary member by press fit. The outer peripheral surface includes, in a direction of an axis of rotation of the gear member, a toothed region in which the gear teeth are formed and a non-toothed region in which no gear teeth are formed.

Abstract: Gear wheel and method for reducing vibrations transmitted by a rotating shaft. The gear wheel includes an inner part, which is connectable to a cause of vibration, a connection element and a ring gear. The connection element is structured and arranged to reduce vibrations.

Abstract: A coated cogwheel includes a cogwheel body made from a basis material. A layer which is harder than the basis material is arranged at least on a part of the cogwheel body, for example on the flanks of a tooth. The layer is subdivided by seams into a multiplicity of mutually separated segments.

Abstract: A drive gear for a generally cylindrical imaging component. The drive gear includes a body for engaging the generally cylindrical imaging component; a cylindrical shaft attached to the body, the cylindrical shaft having an end surface; and three prongs extending longitudinally outward from the end surface.

Abstract: Gear-shaped resin sheets Sa are laminated such that tooth portions 2b are aligned in an axial direction, thereby preparing a spur gear-shaped net-shape body 4. The net-shape body is accommodated in a net-shape body holder 14 having a spur gear-shaped holding space 14a. A spur gear-shaped pushing member 15a provided in an upper die 15 is lowered to heat and compress the net-shape body 4, while tooth portions of the resin gear formed in a lower die 12 are pressed in a helical tooth-shaped molding space to deform the tooth portions 4a of the net-shape body 4 into a helical tooth tilted relative to the axial direction, and the direction of reinforcement fibers at the tooth portions 2b of the molded resin gear 1 is tilted relative to the axial direction. A resin gear that hardly causes peeling off of resin by a load applied to a tooth surface can be obtained, and a production apparatus suitable for producing such resin gear is provided.

Abstract: A resin gear comprises a rim in an outer peripheral part of a plate, teeth provided on an outer periphery of the rim, a boss provided in a central part of the plate, and a circular rib between the boss and the rim. The resin gear is manufacturable by injection molding that a molten material is injected into a cavity through a plurality of gates arranged at almost equally spaced intervals circumferentially on a forming portion for the circular rib in a direction perpendicular to a side of the plate. The resin gear includes a plurality of inner thin-wall portions on the plate between the circular rib and the boss and a plurality of outer thin-wall portions on the plate between the circular rib and the rim, each of the inner thin-wall portions and the outer thin-wall portions being symmetrically shaped with respect to the radial line passing through each gate corresponding point.

Abstract: The invention relates to a bevel gear wheel (1) of a bevel gear unit, each tooth (2) of which comprises a load flank (3) and a non-working flank (4), wherein the teeth (2) have a helical or spiral tooth trace, in particular a curved tooth longitudinal line, and the teeth (2), in particular the upper meshing region of the teeth, have an octoid tooth shape or a spherical involute tooth shape, and the teeth have an excess material quantity (11) on the load flanks (4) in order to reinforce the load flanks (4), in particular such that the axis (9) that runs through the tooth tip-bisecting point AI of the tooth tip transverse line (23) and through the midpoint of the gear wheel exhibits asymmetry of the teeth (2). The invention further relates to a method for producing a bevel gear wheel (1) according to one of the preceding claims, in which the tooth geometry is produced by a four-axis or multi-axis method, in particular a five-axis method.

Abstract: Disclosed is a caulking tool used for a ring gear press-fit in the outer periphery of a flange of a differential case constituting a differential subassembly, in order to caulk a caulking portion provided on at least either end of the flange in the axial direction, with respect to a plurality of notches formed in at least either end of the ring gear in the axial direction. The notches are formed along the inner periphery of the ring gear. Each notch has a bottom part slanted at a predetermined angle with respect to the radial direction of the ring gear, and a plurality of protrusions which correspond to the notches and are projected from the slant portion, in order to press the caulking portion in the axial direction of the ring gear.

Abstract: Provided is a core metal including a shaft through-hole allowing a shaft to be inserted thereinto, and a resin locking portion allowing a resin to be locked and fixed, the shaft through-hole having a thicker periphery formed on a periphery of a prepared hole allowing the shaft to be inserted thereinto so as to project on any one of or both a front surface and a back surface of the metal material. The prepared hole and the thicker periphery are molded by subjecting a flat metal material automatically transferred with use of a press machine to drawing, drilling, and thickening.

Abstract: In the helical gear, an opening perimeter wall includes a first arc side face located at the leading end side in the direction of rotation, concave towards the leading end side in the direction of rotation, and having a distance from the arc center as a first radius. The first arc side face includes a side face at a side of the rotation center of the hub, located at position with a distance from the arc center differing from the length of the first radius, on a verge of a virtual arcuate line centered about the rotation center, and passing through the arc center.

Abstract: An apparatus includes a bearing assembly rotatingly supporting a pinion shaft of a differential for a motor vehicle. The bearing assembly has inner and outer rolling-contact bearings arranged in axially spaced-apart relationship and disposed in O-configuration. A driving gear is arranged on the pinion shaft between the inner and outer rolling-contact bearings and held on the pinion shaft circumferentially in fixed rotative engagement and/or formfitting engagement. Adjacent to the driving gear on the pinion shaft is an intermediate ring and adjacent thereto is an inner ring of the outer rolling-contact bearing. A locking ring is clamped in an annular groove of the pinion shaft. A spring element biases the driving gear against an annular shoulder of the pinion shaft via the intermediate ring and inner ring of the outer rolling-contact bearing, with the spring element being constrained between the inner ring of the outer rolling-contact bearing and the locking ring.

Abstract: The invention relates to a starting device for an internal combustion engine, having a hollow shaft (34), a pinion element (43), which comprises a pinion shank (37) having a shank axis (46) in a displacement direction of the pinion shank (37), wherein the pinion shank (37) is inserted in the hollow shaft (34), characterised in that an axial movement of the pinion shank (37) relative to the hollow shaft (34) is limited by a securing element (76), which is secured in the hollow shaft (34) directly or indirectly by an press fit.

Abstract: A worm wheel (50) is structured integrally with an output shaft (52). The worm wheel (50) includes the output shaft (52), a circular flange (50a) with the output shaft (52) placed as the center, and teeth (50b) formed on the periphery of the flange (50a) and in mesh with a worm. The flange (50a) is provided with a first recessed flange portion (50c) opposite to the side of the output shaft (52), and the bottom (54) of the first recessed flange portion (50c) has a ring-shaped first planar portion (54a).

Abstract: As to a distance in a radial direction of a rotation shaft from a rim at the hub side to an outer peripheral side face, the outer peripheral side face includes a first side region having a distance located at the most leading end side spot in the direction of rotation of a helical gear longer than a distance at a tail end side spot.

Abstract: A gear and drive system utilizing the gear include teeth. Each of the teeth has a first side and a second side opposite the first side that extends from a body of the gear. For each tooth of the gear, a first extended portion is attached to the first side of the tooth to divert flow of fluid adjacent to the body of the gear to reduce windage losses that occur when the gear rotates. The gear may be utilized in drive systems that may have high rotational speeds, such as speeds where the tip velocities are greater than or equal to about 68 m/s. Some embodiments of the gear may also utilize teeth that also have second extended portions attached to the second sides of the teeth to divert flow of fluid adjacent to the body of the gear to reduce windage losses that occur when the gear rotates.

Abstract: A drive plate includes a disk-shaped plate portion; and a tooth-shaped portion formed at an outer peripheral end of the plate portion. The plate portion and the tooth-shaped portion are integrally shaped from a single steel plate material. The plate portion and the tooth-shaped portion include a carburized layer provided over an entire surface layer of the plate portion and the tooth-shaped portion, the carburized layer having a carbon concentration higher than that of a center portion of the plate portion and the tooth-shaped portion in a thickness direction. The carburized layer of the plate portion is higher in hardness than the center portion of the plate portion in the thickness direction. The carburized layer of the tooth-shaped portion has been subjected to a quenching process, and is further higher in hardness than the carburized layer of the plate portion.

Abstract: A forged composite powder metal part, such as a CVJ inner race or bevel gear, and method of making the same are disclosed. The forged composite powder metal part includes a outer section concentrated with a first powder metal material, a inner section concentrated with a second powder metal material and a variable boundary profile between the materials of the two sections. For example, in a forged CVJ inner race, the different materials can provide improved wear resistance in the ball tracks and improved spline performance. As another example, in a forged bevel gear, the different materials can be used to create a continuous variable boundary profile that defines the depth of a harder layer over the teeth.

Abstract: A rotation generating system comprises a base disk defined by a rim, top and bottom surfaces; a ball bearing engaged on and along the disk rim, said ball bearing comprising balls, a ring rotatably engaging the balls to the disk rim, and side supports propping the balls between the disk rim and the ring; and a shaft having first and second ends, wherein the first end is fixed to an eccentric portion of the disk top surface, wherein the shaft is angled with the disk top surface by forty-five (45) degrees.

Abstract: The disclosure relates to a connecting assembly, more particularly for being used in the driveline of a motor vehicle. The connecting assembly comprises a housing and a driving gear. The housing comprises a first housing part with a first flange portion and a second housing part with a second flange portion. The driving gear comprises a receiving portion for receiving the housing and a supporting face which laterally delimits the receiving portion, wherein the first flange portion of the first housing part is axially arranged between the supporting face of the driving gear and the second flange portion of the second housing part, and wherein the second flange portion is welded to the driving gear. A method of producing a connecting assembly is also disclosed.