Abstract: A drive train for an electric truck includes a gearbox and a gear box housing. The drive train further includes an output shaft extending in an axial direction across a wall of the gear box housing and powering a cardan shaft arranged outside of the gear box housing. At least one output gear is arranged inside of the gear box housing on the output shaft. At least a first and a second electric motor attached to the housing of the gearbox form a team of electric motors, wherein each electric motor includes a drive shaft extending parallel to the axial direction and being interconnected via an input gear to an output gear.

Abstract: A timepiece component including a shaft-like portion including at least one pivot about a pivot axis, wherein at least the constituent material of this shaft-like portion is a ceramic or similar non-magnetic type material, the shaft-like portion includes a plurality of recesses evenly arranged or regularly distributed about the pivot axis, and has its centre of inertia on the pivot axis, and the shaft-like portion includes a collar forming its largest diameter with respect to the pivot axis, which collar includes a parting line of the shaft-like portion, which parting line is substantially perpendicular to the pivot axis, the recesses pass right through the collar, and at least one recess contains an injection point for the material.

Abstract: A hybrid module is configured for arrangement in a torque path upstream from a transmission and downstream from an internal combustion engine. The hybrid module includes a hybrid drive unit including an electric motor including a rotor. The hybrid module also includes a torque converter and a connector non-rotatably fixing the rotor to the torque converter. The connector includes a first section non-rotatably fixed to the rotor, a second section non-rotatably fixed to the torque converter and a retainer axially fixing the first section and the second section together in an intermeshing arrangement so the first section and the second section are non-rotatably fixed together.

Abstract: An assembly for operating a wheelchair is provided. The assembly has a support frame with a planar support surface and a motor support assembly positioned on the planar support surface such as to be able to slide. The motor support assembly supports a motor which is coupled to a pinion gear. The assembly further has a linkage assembly for coupling the motor support assembly to the support frame. A handle member is coupled to the linkage assembly and is adapted to move the motor support assembly along the planar support surface. A method for engaging gears of a motorized vehicle (e.g. a wheelchair) is also provided. The method comprises moving a handle generally upwardly, which causes the linkage assembly to slide the motor support assembly along the planar support surface of the support frame until the pinion gear engages and meshes with a bull gear of the motorized vehicle.

Abstract: A gearwheel for a planetary gear train includes two working toothing regions arranged successively in direction of a gearwheel rotational axis (Z). A first working toothing region is arranged at a first gearwheel part, and a second working toothing region is arranged at a second gearwheel part. The two gearwheel parts are connected to one another by positive engagement and/or bonding engagement and/or frictional engagement so as to rotate together around the gearwheel rotational axis (Z) and/or against relative movement with respect to one another in direction of the gearwheel rotational axis (Z).

Abstract: A transmission device includes a rotatable shaft, a first transmission member, and a second transmission member. The first transmission member includes a first fitting portion fitted coaxially to an outer circumferential surface of the rotatable shaft, and is attached to the rotatable shaft to transmit torque. The second transmission member is rotatably driven by a driving device and includes a second fitting portion fitted coaxially to the outer circumferential surface of the rotatable shaft. The second transmission member is connected coaxially to the first transmission member while the first and the second fitting portions are fitted to the outer circumferential surface of the rotatable shaft.

Abstract: A gear assembly includes first and second shafts concentric with one another. First and second gears are respectively provided by the first and second shafts and are arranged adjacent to one another. A biasing assembly cooperates with at least one of the first and second shafts to maintain a desired gap between the first and second gears.

Abstract: A gear mechanism part for a cable-controlled window lifter is provided that includes a gear wheel and a cable drum that can be driven by the gear wheel. The gear wheel and cable drum are disposed on a common axis. The gear wheel and the cable drum are coupled by a positive fit to an outside gearing disposed on an outside circumference projection. In the cable drum, a fitting chamber for cable end fastening is provided. The fitting chamber is disposed inside the outer circumference projection on a cross-sectional plane projected perpendicular to the axis. In this way, a more compact design of the cable drum and transmission of higher driving torque are achieved.

Abstract: A driving element is divided into two coaxial toothed members elastically attached to one another. A first of the toothed members is fixed to a shaft. The second of the toothed members is freely mounted on this shaft. The second toothed member has a planar face, opposite and facing away from the first toothed member. That face has seats arranged around the shaft to receive first respective ends of deflection rods. The rods extend, with the shaft, outside of the toothed member. A flange has an axial passage for receiving an end of the shaft. The flange has seats for receiving second respective ends of the deflection rods. A device for clamping the flange on the end of the shaft and in an angular position around the shaft fitted to apply a deflection stress to the rods.

Abstract: A gear mechanism includes a driving gear, a driven gear, and an idler gear which is in mesh with the driving gear and the driven gear, wherein rotation of the driving gear is transferred to the driven gear via the idler gear. The idler gear includes first and second spur gears which are positioned adjacent to each other in an axial direction and are generally centered about a common axis, radial teeth of the first and second spur gears each being the same in shape, pitch and the number of teeth, and the first and second spur gears being biased to rotate in opposite directions. The first and second spur gears are connected so as to be relatively movable in a radial direction normal to the axial direction while maintaining the first and second spur gears in mesh with the driving gear and the driven gear.

Abstract: A gear supporting structure is designed to support two gears on a shaft with a short axial supporting span and without eccentricity or inclination. In this gear supporting structure wherein a first gear and a second gear are supported by a shaft in whirl-stopping and centering manners, the first gear with an axially extending boss portion is engaged with the shaft and fitted thereto in a centering manner at a whirl-stop portion and a first fitting portion, which are formed at different positions. A second fitting portion of the second gear is fitted to an outer periphery of the boss portion in a centering manner and connected with the first gear in a surface-fitting manner by a fastening device.

Abstract: In a very simple production and assembly process, reliable stop absorption between a drive-side gear wheel (1) and a driven-side carrier (2) is obtained when there is a mutual relative movement between the gear wheel (1) and the carrier (2) that is caused by the stop. To this end, a cam (2.1) of the carrier (2) elastically deforms a spring element (1.1) of the gear wheel (1) via a tangential stop bevel (1.11; 1.12). The gear wheel (1) and the carrier (2) are preferably configured as injection molded parts, which are axially spaced and interconnected when produced and assembled and which can be axially fit together by releasing or breaking the connection.

Abstract: A combination gear having a gear slipping-off preventing structure with an easier combining operation is provided, which includes: a first gear having a shaft hole; a second gear, having a shaft hole, to coaxially couple with the first gear so as to constitute the combination gear; and a shaft to be inserted into the shaft holes of the respective first and second gears, wherein either one of the first and second gears is provided with a coupling male-portion having a securing projection and the other of the first and second gears is provided with a coupling female-portion having a securing recess so that the first and second gears combine together by coupling the coupling male-portion with the coupling female-portion with an engagement between the securing projection and the securing recess. And, a relief portion to permit a relief of an end portion of the securing projection on coupling the coupling male-portion with the coupling female-portion is also provided inside the securing recess.

Abstract: A transmission wheel comprises a gear having a hole and a pinion having a plurality of teeth and being removably mounted in the hole of the gear. The hole of the gear has at least one chord-shaped stop portion engaging two adjacent teeth of the pinion to prevent relative rotation between the pinion and the gear.

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

Abstract: A gear assembly having a body member with an end wall interconnecting a cylindrical inner wall and a cylindrical outer wall so as to define an annular cavity. The gear assembly also includes a gear ring having a hub segment mounted on and fixed to the outer wall of the body member, and a gear segment having external gear teeth. The gear assembly also includes a clutch ring that is secured to the inner and outer walls of the body member for enclosing the cavity. The clutch ring has clutch teeth adapted for engagement with a shift sleeve associated with a gearshift system.

Abstract: Shaft, for the transmission of torque, comprising first and second engagement elements. The shaft is divided in its longitudinal direction into a first and second section, wherein the first and second sections are concentrically joined to each other by a friction-welded joint. The first section is case-hardened and comprises the first engagement element, and the second section is tough-hardened and comprises the second engagement element which is induction-hardened and placed on or in a peripheral surface on the second section which lies at an end facing away from the first section.

Abstract: An inertial mass device is realized with at least two inertial masses which can rotate relative to one another, one of which is connected to a hub disc which is effectively connected to elastic elements of a damping device and preferably with its radially inner area forms a hub for the location of a bearing arrangement. Corresponding to the hub disc there is at least one planet wheel of a planetary gear train which acts between the inertial masses. The hub disc, on its side facing away from the planet wheel, on a specified radius around its axis of rotation, has indentations formed in the peripheral direction at specified intervals, each of which indentations forms a projection toward the planet wheel on the opposite side of the hub disc, whereby the projections form a toothing on the hub disc, by means of which the hub disc is engaged with the toothing of the planet wheel for the transmission of a torque between the inertial masses.

Abstract: A reduction gear with two reduction stages including a first reduction stage consisting of a wheel and worm screw system. The system has a screw and a first wheel. A second stage includes a pinion meshing with a second toothed wheel. The wheel of the wheel and worm screw system includes two lateral parts spaced axially and equipped with teeth adapted to mate with the thread of the screw. A center part is located between the lateral parts, and includes teeth with an outside diameter less than the diameter of the teeth of the first wheel, this center part forming the pinion of the second reduction stage.

Abstract: A method for manufacturing a gear, which may be utilized as a side gear in a vehicle differential, with the method including the steps of selecting a first billet of low carbon steel and producing an annular gear wheel therefrom, and selecting a second billet of low carbon steel and making an annular gear hub therefrom. The method further comprises the step of bonding the gear wheel to the gear hub. Both the producing and making steps may comprise the step of forging a gear wheel and gear hub, respectively, near net forming the hub and wheel, or net forming the hub and wheel. The step of joining may be accomplished by laser welding or alternatively, by applying adhesives to mating surfaces of the hub and wheel. Due to the use of separate billets of low carbon steel to produce or make the wheel and hub, the wheel and hub may be made of different materials.

Abstract: A cylindrical tubular substrate for an electrophotographic photoconductor is made of a conductive resin. The substrate is smoothly rotatable about its axis of rotation, securely grounded, and easily and inexpensively manufactured. It has a cylindrical tube portion and a flange portion with a gear and a shaft through-hole. These portions can be integrated as a unit of a material containing an electrically conductive resin as the main component. Alternatively, the shaft is integrated unitarily with the substrate by single-step molding. Or further, a flange, made of a resin with high sliding wear resistance and with a gear and a shaft through-hole, or a previously molded flange made of a resin with high sliding wear resistance and with a gear and a shaft insert-molded to the flange, with an electric conductor, is disposed in an assembling molding step at an end of a cylindrical tube made essentially of a conductive resin.

Abstract: A method for manufacturing a timepiece wheel having a bearing portion integrally formed with a pinion and gear wheel. A strip of material is compressed to simultaneously form a thin gear, a pinion and bearing surfaces. The formed gear is then sheared from the remainder of the strip formed of a metal.

Abstract: A vehicular transmission is provided with an improved rotary countershaft assembly (100) that eliminates the prior art practice of securing countershaft gears (10) and (12) to adjacent sections (S.sub.1) and (S.sub.2) of a countershaft (2) by separate keys (14) and (22) disposed in separate grooves (16) and (19) respectively by a singular key (26) disposed in a groove (16) and whose radial thickness is adapted to enable countershaft gear (12) to rotate countershaft (2) in the absence of groove (19).

Abstract: A gear is comprised of a central radial hub, a radial gear-toothed rim and a stress dissipating structure.

Abstract: The present invention provides a novel gear product including plural gear members of different tooth profiles and configurations, which are manufactured integrally through forging process. The forged gear product of the invention is compact and light in weight while having a sufficient strength. The gear product includes a clutch spline member with clutch spline teeth and a helical gear member with spiral teeth, which are integrally forged and continuously arranged in the axial direction to be adjacent to each other without any clearance therebetween.

Abstract: A hollow shaft composed of individual tube portions and provided with cams and end pieces, the individual tube portions preferably being interconnected by plastic expansion of the inner elements and elastic expansion of the outer elements. It is also possible to achieve a connection by shrinking the outer elements onto the inner ones by soldering or welding. Sleeves interconnecting the drive elements are designed to be integral with them and form part of the hollow shaft so that considerable weight savings are achieved by avoiding doubled regions where parts are slid onto each other. The design is particularly suitable for connecting parts with distinctly different elastic properties such as steel tubes and malleable cast iron drive elements.

Abstract: An improved apparatus for retaining a pad or hub of a rotatable steering wheel of a motor vehicle in a non-rotating state, relative to the driver of the vehicle, irrespective of the rotation of the steering wheel provides for two retaining collars supporting a pair of rollers for retaining an endless belt. The endless belt is biased by an idler roller using a three point pressure applying flat spring with two of the pressure points located on the retaining collar.

Abstract: A hub (10) of a steering wheel and a terminal element (20) of a shaft are adapted to be interconnected by a wedging locking device (100) employing male and female cones and an axial clamping mechanism (200) employing a screw and a nut. A fine adjustment device includes at least one couple of pair of a groove (31) and a tongue (32) which extend longitudinally, are cooperative and complementary and adapted to be engaged one inside the other with confronting radial faces (301, 302) spaced apart from each other by a predetermined clearance, a toothed sector (33) and a confronting cavity (34) adapted to act as a semi-bearing for a gear pinion (35) capable of meshing with the toothed sector.

Abstract: Spur gearing including an outer gear rim firmly attached to the roller to be driven. A first self-aligning bearing disposed within the outer gear rim mounts the gear rim to a firm support. A pinion outside of the outer gear rim meshes with the outer gear rim. A journal in the pinion connects it to a support bracket. A second self-aligning bearing joins the pinion to the journal. A pinion driving coupling shaft is coupled to the pinion for driving the pinion to rotate. The pinion can incline with respect to the coupling shaft. To limit the angle of tilt of the pinion, in one embodiment, there is a third self-aligning bearing within the pinion to one axial side of the second bearing and a radial gap between an extension of the journal for the second bearing and the third bearing, for allowing and limiting tilting of the pinion axis, and the elements are so sized that the tilt angle of the pinion is limited to about 1.degree. and preferably to less than 0.6 .degree..

Abstract: The invention relates to a spur-gear system for driving a roll shell which bears an outer gear-wheel on one of its ends. The roll shell and the outer gear-wheel are monted via a common self-aligning bearing which is disposed concentrically within the outer gear-wheel. A pinion gear-wheel meshing with the outer gear-wheel is also mounted via a self-aligning bearing disposed concentrically within it. Both self-aligning bearings are mounted on the same support in the form of a cap. The outer gear-wheel and the pinion gear-wheel each have an abutment rim on one side. The contact surfaces thereof roll against each other during normal operation so that the axes of the two gear-wheels are parallel with each other. A geared coupling shaft driving the pinion gear-wheel is inclined in such a way that the pitching moment acting on the pinion keeps the two abutment rims in contact with each other.

Abstract: A gear drive apparatus is provided which includes a rotatable drive shaft, a driving member, a driven member and a pinion gear. The rotatable drive shaft contains a handle and a stem. The driving member is integrally connected to the stem and rotates with the stem in response to the rotation of the handle. The driven member is coaxially positioned about the stem and engages the driving member. At least one radial aperture and radial groove are coaxially formed on the driven member and rotated about the stem. A pinion gear is rotatably mounted on the stem and includes at least one radial boss and pinion teeth, which extend from the pinion gear. The radial boss is positioned within the radial groove and a portion of one of the pinion teeth is fitted within the radial aper.

Abstract: A motor-driven overhead trolley conveyor is described which comprises a rail having horizontal sections and inclined sections. Rack sections or chain sections are associated to the inclined sections. Each trolley comprises its own drive motor. In the horizontal sections the driving force is transmitted exclusively through a drive roller. In inclined sections the drive is effected by means of a gear meshing with the rack or chain and being driven with the same angular velocity as the drive roller. The drive roller comprises a drive wheel connected with the drive shaft as well as a ring mounted on the periphery of the drive wheel in a slide bearing fashion. By this feature, a cold working of the drive roller surface and the rail surface due to alternate stresses caused by the gear is avoided.

Abstract: A roller bearing assembly including a surface of a shaft serving as an inner race for rolling bodies, the surface having a diameter smaller than the outer diameter of a gear formed integrally with the shaft, a cylindrical outer race of a larger inner diameter than the outer diameter of the gear, and a cage for the rolling bodies composed of two halves formed by splitting the cage radially of the shaft, whereby the gear of a small outer diameter can be formed integrally with the shaft of a large diameter to thereby increase the rigidity of the shaft.

Abstract: This invention relates to a cam arrangement which includes a cam means, having a camming surface, and a first end face, and a cam support means, having a first end face. The two end faces are disposed adjacent to and in contact with each other, and means are provided for movably locking the cam means with the support so that, to a controlled extent, relative motion between the cam means and the support means is possible. In one embodiment, the means for movably locking comprises a protrusion on the end face of the cam and a mating recess on the end face of the support, the width of the recess being greater than the width of the protrusion, so that motion of the cam means relative to the support means, to the extent of the difference in widths, is possible.

Abstract: A method and apparatus for eliminating end thrust and consequently the need for thrust bearings in a helical drive arrangement is disclosed. According to this invention, a helical gear and a spur gear having the same pitch diameter and center of rotation are securely attached to each other and mounted to a shaft. This helical-gear spur-gear combination is meshed with a second similar helical-gear spur-gear combination supported on a parallel shaft. During operation the axial forces normally created by a helical gear drive are contained as the teeth of the two spur gears contact each other. Thus the need for end thrust bearings is eliminated.

Abstract: A tuner for use in a telecommunication receiver having a rotary drum carrying a plurality of oscillation coils and a fine tuning member for each coil supported for movement inside of the coil for fine tuning and having a geared head, and a main shaft on which the rotary drum is rigidly mounted, and a fine tuning mechanism which has a hollow shaft coaxially mounted on the main shaft for movement between projected and retracted positions and having a drive gear mounted thereon and a transmission gear assembly for transmitting the rotational force of the hollow shaft to the geared head of any one of the fine tuning members. The transmission gear assembly is supported by a support plate assembly.

Abstract: An engine cranking adapter having a plurality of different pinions for selective use with any one of a plurality of different engine cranking ring gears. The adapter is mounted to a wall portion of the engine structure adjacent the periphery of the ring gear and may substitute in such mounting for the normal starter motor. The adapter is provided with structure for facilitating manual controlled rotation of the ring gear as in servicing the associated engine. The adapter may be removably mounted to a bracket which, in turn, may be removably mounted to an engine wall portion adjacent the periphery of the ring gear.

Abstract: A gear wheel is provided with a safety release disc adjacent one face thereof, said disc having teeth formed as direct extensions of the gear wheel teeth. The disc teeth engage the same gear element as the teeth of the gear wheel but the disc is rotatable on the gear wheel axle. In the event of tooth wear or tooth breakage of the gear wheel the gear wheel will turn relative to the disc, which has no rotational load. This relative movement is utilized to trip signalling or locking devices as desired.

Abstract: A method is disclosed for firmly bonding together driving and driven gears. Bonding is accomplished by placing a thin layer of a thermal setting resin between the web faces of gears that are joined together by a multiplicity of spaced apart fasteners. The cured resin acts both as a load carrying joint and as a gasket.

Abstract: A highly safe device for reducing noise produced in gear wheel couplings in the motion transmission and distribution lines of wrapping and packeting machines operated at very high output speed. Two co-axial and opposite gears have the same number of angularly coincident teeth, one of the gears being formed of rigid metal material and the other consisting of tough and elastically yielding material.

Abstract: An improved rotor and gear assembly for rotary mechanisms of the trochoidal type, in which a rotor having a central bore is mounted for rotation on a shaft, and an internally toothed ring gear is secured to a side face of the rotor for engagement with a stationary gear to maintain phasing between the rotor and its trochoidal housing during the planetary and rotary motion of the gear within the housing. The ring gear is mounted on the rotor by resilient tubular pins circumferentially disposed, the pins being angularly slanted with respect to the rotor axis in such a manner as to maintain concentricity of the rotor and gear while permitting differences in thermal expansion therebetween, restraining the gear from axial displacement, and providing resilience for intermittent circumferential shock loading of the gear without imposing undue stresses or causing distortion of the gear or the rotor.