Abstract: A traveling roller includes a left roller, a right roller, a support shaft, a driving device and a sealing device, wherein the traveling roller may also include an intermediate roller; the support shaft is provided on an axis of the left and right rollers; inner walls of the left and right rollers are respectively connected to support plates; an outer ring of each of the support plates is provided with a notch for dust to flow out; the driving device includes an outer rotor motor sleeved on the support shaft; transmission devices are provided between two end cap seats of a rotor body of the outer rotor motor and the support plates; pawl members of the transmission devices are fixedly sleeved on the end cap seats, or driving planetary gears of the transmission devices are fixed to the rotor body.

Abstract: A modular transfer system with a primary flow system and a diverter system. The primary flow system includes a primary flow belt for conveying an article along a primary flow path from an infeed side of the modular transfer system to a pass-through side of the modular transfer system. The diverter system includes one or more diverter belts for diverting an article from the primary flow path towards a divert side of the modular transfer system. The primary flow belt includes multiple movable components contacting the diverter belt. The movable components can have one or more rotational degrees of freedom.

Abstract: A drive device includes an electric motor and a gear unit that is driven by the electric motor. The electric motor has a laminated stator core which includes stator windings and is accommodated in a stator housing. The stator housing has recesses that are axially uninterrupted, i.e. in particular in the direction of the rotor shaft axis, and the stator housing is surrounded, especially radially surrounded, by a housing of the drive device, in particular a tubular housing and/or a cup-shaped housing, and the housing is set apart from the stator housing, in particular such that an especially circulating airflow is able to be provided within the housing, the recesses in particular guiding the airflow through in the axial direction, and the airflow being returned in the opposite direction in the set-apart region between the stator housing part and the housing.

Abstract: A modular transfer system with a primary flow system and a diverter system. The primary flow system includes a primary flow belt for conveying an article along a primary flow path from an infeed side of the modular transfer system to a pass-through side of the modular transfer system. The diverter system includes one or more diverter belts for diverting an article from the primary flow path towards a divert side of the modular transfer system. The primary flow belt includes multiple movable components contacting the diverter belt. The movable components can have one or more rotational degrees of freedom.

Abstract: A conveyor roller includes a roller tube, a motor assembly comprising a motor and a motor shaft and a drive assembly engaged with the motor assembly and the roller tube. The drive assembly includes a drive member, a connector, and a sleeve. The drive member includes at least one first slot that axially extends from a front face of the drive member towards a rear face. The connector includes an axial opening and at least one first projection extending radially outwardly. A sleeve disposed at least partially between the connector and the drive member. The sleeve is configured to engage the at least one first slot of the drive member and the at least one first projection of the connector. A portion of the sleeve extends radially outwardly of the drive member, such that the portion of the sleeve is configured to engage an inner surface of the roller tube.

Abstract: A motor-driven conveyor roller for conveyor systems for conveying containers, pallets, and the like, includes a drum tube with a cavity formed therein and a longitudinal axis, a shaft which extends in the longitudinal axis and on which the drum tube is supported by at least one bearing, and an electric drive unit arranged in the cavity. The motor-driven conveyor includes a cooling sleeve which is fixed radially inwardly to the drum tube and at least partially radially surrounds the drive unit so that a radial air gap is formed between the drive unit and the cooling sleeve. The disclosure also relates to a manufacturing process for such a conveyor roller.

Abstract: A roller system has a frame, a plurality of rollers (supported by the frame) forming a roller plane, and an external rotor motor (“motor”) spaced from the roller plane. As an external rotor motor, the motor has a stator and an external rotor radially outward of the stator to substantially circumscribe the stator. To kinetically couple the motor with the rollers, the system also has a transmission coupling coupled with the external rotor and at least one of the rollers. The transmission coupling and external rotor are configured so that rotation of the external rotor causes the at least one roller to rotate in response to a torque received through the transmission coupling.

Abstract: A cleaning appliance having a cleaner head rotatably attached to a duct. The cleaner head includes a main body having an agitator chamber, an agitator rotatably mounted within the agitator chamber, and a drive assembly coupled to the agitator such that torque generated by the drive assembly is transmitted to the agitator. The drive assembly is located within the agitator such that the centre of gravity of the cleaner head is located on or near a vertical plane containing the rotational axis about which the cleaner head rotates relative to the duct.

Abstract: A roller system has a frame, a plurality of rollers (supported by the frame) forming a roller plane, and an external rotor motor (“motor”) spaced from the roller plane. As an external rotor motor, the motor has a stator and an external rotor radially outward of the stator to substantially circumscribe the stator. To kinetically couple the motor with the rollers, the system also has a transmission coupling coupled with the external rotor and at least one of the rollers. The transmission coupling and external rotor are configured so that rotation of the external rotor causes the at least one roller to rotate in response to a torque received through the transmission coupling.

Abstract: A drive system for a motorized roller that includes a secondary stator external to the motorized roller. The outer shell of the motorized roller contains electrically conductive or magnetic material to form an induction, permanent-magnet, or reluctance motor with the secondary stator and boosts or bucks the torque of the motorized roller.

Abstract: A powered roller system is operable in first and second configurations. In the first configuration, rotation of a motor drive shaft is transferred to a first drum member by an adapter collar that engages the drive shaft and the first roller drum assembly. In the first configuration, a first drum bearing assembly supports the first drum member on a motor support shaft, and a distal support assembly supports the first drum shaft. In the second configuration rotation of the drive shaft is transferred to a second drum member by engaging an adapter collar with the drive shaft and an adapter spacer and engaging the adapter spacer with a second drum assembly. In the second configuration, a second drum bearing assembly supports the second drum member on the support shaft, and the distal support assembly supports a second drum shaft.

Abstract: Provided is a motor-incorporating roller capable of preventing a grease supply portion from separating. The motor-incorporating roller has a motor and a reducer in a cylindrical roller body and the reducer is provided with a gear train including a plurality of gears. The motor-incorporating roller has a grease supply portion that supplies grease to the plurality of gears in the reducer and is capable of containing grease therein. Furthermore, the motor-incorporating roller has a power output member that outputs power and a shaft portion that pivotally supports the gears. The grease supply portion is integrated with the power output member through the shaft portion to restrict movement of the shaft portion in an axial direction.

Abstract: A method and a device for stringing together objects in transport systems, preferably in coating systems, for adjusting the distance between two objects, preferably substrates or substrate holders, being arranged one behind the other, wherein the front object moves at a process speed vp in the transport system and the rear object is at an undefined distance from the front object. The method comprises the following steps: (a) accelerating the rear substrate to an initial speed vx>vp; (b) detecting an increase in the driving torque when the rear substrate moves against the front substrate; (c) delaying the rear substrate by a predetermined value in order to establish a predetermined distance ap from the front substrate; and (d) adjusting the speed of the rear substrate to the process speed vp.

Abstract: Motorized transport roller comprising: a hollow cylindrical body (11) having an idle head (51) on one side and a motor head (20) on the other; a motor (15) arranged inside said roller having a motor shaft (30) protruding from said motor (15); the roller comprising a first element (53) associated with said motor shaft (30); a second element (54) associated with said motor head (20) by means of a transmission shaft (39); a third element (33) intermediate to said first (53) and second (54) element adapted to transfer the motion from said first element (53) to said second element (54); said third element (33) is made of a soft and/or elastic material; and by said motor head (20) rotating said hollow cylindrical body (11).

Abstract: The power transmission member includes a connecting member, an intermediate member, and an engagement member. The connecting member has an annular portion. The outer peripheral surface of the annular portion is provided with arc-like portions, and the inner peripheral surface of the annular portion is provided with concave-convex portions. The engagement member includes protrusions and a shaft insertion hole. The arc-like portions of the connecting member are in contact with the inner peripheral surface of the roller body, and the connecting member and the roller body are also secured together by securing means. The intermediate member engages with the concave-convex portions and the protrusions, the shaft insertion hole of the engagement member is maintained at the center of the roller body, and a power unit engages with the shaft insertion hole.

Abstract: Disclosed is a conveyor roller (1) which comprises a shaft (2), a roller body (3) which is mounted such that it can be rotated about the shaft (2), and a protective cap (4). The protective cap (4) has a disk-shaped first section (5) for covering the interior of the roller body (3), which is arranged fixedly with respect to the shaft (2) and is oriented normally with respect thereto, and a channel-like or roof-like second section (6) which is arranged obliquely with respect to the shaft (2) and runs over a part length of the roller body (3) such that it is spaced apart radially from the latter. Furthermore, a conveyor system (12) with a conveyor roller (1) is disclosed, in which conveyor system a connecting cable (7) of the conveyor roller (1) is run in a curve or a loop to an electrical interface (8, 17) with a connector box (15) of the conveyor system (12), wherein the lowest point of the curve/the loop is located below said interface (8, 17).

Abstract: A conveying system line includes a supporting frame extending substantially parallel with a system feeding direction; a plurality of driving elements supported by the supporting frame; a motor for driving at least one portion of the plurality of driving elements; a drive assembly to transfer the motion from the motor to the at least one portion of the plurality of driving elements; a control and power ASi system; a main ASi-controller; and a secondary ASi-controller, the main ASi-controller communicating with secondary main ASi-controllers through an AS-interface cable, the main ASi-controller including a main ASi-box, and the secondary ASi-controller including a secondary ASi-box, the main and secondary ASi-boxes having at least one first corresponding transversal coupling dimension, the supporting frame including a housing compartment adapted to house the main and secondary ASi-boxes.

Abstract: The invention relates to a conveyor system (1), comprising two frame profiles (2, 3) which are run such that they are spaced apart from one another, a plurality of motorized conveyor rollers (4) which are arranged in between, an insulator (19) which runs along the at least one frame profile (2) with a plurality of receptacles which are open on the longitudinal side, and a plurality of electric conductors (20) which are arranged in the insulator (19) and are electrically connected to drive electronics of the conveyor rollers (4), and in each case one electric conductor (20) is mounted in each case in one receptacle. The form factor f of an electric conductor (20), which is defined as a quotient of the circumference of a circle which is equivalent in area to the cross section of the electric conductor (20) and of the circumference of said cross section of the electric conductor (20), is selected in the range of from f=0.88 to f=1.00.

Abstract: Disclosed is a conveyor having an axle extending along a longitudinal axis, a drum body mounted rotatably on the axle, a drive unit having a motor which is disposed inside the drum body and which includes a rotor and a stator, wherein either one of the rotor or the stator is coupled torque-resistantly with a drive output shaft which is mounted rotatably about a drive axle and the other one of said rotor and stator is a torque support and is coupled torque-resistantly with the axle, and a connector member which is disposed inside the drum body and torque-resistantly coupled with the drum body and the drive output shaft of the drive motor, wherein a first flexible elastic coupling is disposed between the torque support and the axle, and that a second flexible elastic coupling is disposed between the drive output shaft and the drum body.

Abstract: A power drive unit, including a plurality of diagonal rollers arranged at a circumference around a central roller axis and each of the plurality of diagonal rollers having a respective diagonal roller axis, a first drive motor coupled to a roller carrier and configured to rotate the plurality of diagonal rollers around the central roller axis, and a second drive motor coupled to a gear carrier and configured to rotate each of the diagonal rollers around the respective diagonal roller axis. The diagonal roller axes are tilted by a common skew angle with respect to the central roller axis.

Abstract: A conveyor drive roller for moving a conveyor medium. The conveyor roller has a hollow drum which is rotatably connected to a first and a second stationary shaft. An internal gear assembly is disposed inside the hollow drum and couples a motor to the hollow drum such that operation of the motor causes rotation of the hollow drum about the first and second stationary shafts. The hollow drum is configured to hold a liquid lubricant in contact with the internal gear assembly. Liquid lubricant flow paths are provided to move the liquid lubricant from inside the hollow drum to outside the hollow drum via the first or second stationary shafts, and vice versa. The liquid lubricant flow paths are configured for connection to a means for cooling the liquid lubricant.

Abstract: A mounting auxiliary member includes a rotary member and a stationary member. The rotary member is provided in an optical scanning device, and interposed between a light source holding member holding a light source and a head part of a screw. The rotary member has a first through hole through which a shaft part of the screw penetrates and is configured so as to co-rotate with the screw as the head part of the screw comes into contact with a peripheral edge part of the first through hole. The stationary member is interposed between the rotary member and light source holding member, has a second through hole into which the shaft part of the screw penetrating through the first through hole is movably inserted, and is configured to hold the rotary member while permitting the rotary member to slidably rotate.

Abstract: An electric motorcycle frame for an electric motorcycle is disclosed. The electric motorcycle frame comprises side structures including openings. A torsion tube configured to house an electric motor is connected to the openings of the side structures and the torsion tube is a stressed member of the electric motorcycle frame.

Abstract: The application relates to freight loading systems for transporting freight items. Corresponding freight loading system comprises a freight deck having a plurality of freight handling devices, a control device which is communicatively connected to the freight handling devices in order to handle at least one freight item on the freight deck, and a remote control, which is communicatively connected to the control device in order to output control signals to the control device. The control device is intended to comprise a position determination unit for determining a remote control position on the freight deck and/or the orientation of the remote control, wherein the control unit is designed to select a number of freight handling devices and drive same depending on the control signals received and the remote control position and/or orientation of the remote control. This allows easier control of the freight items on the freight deck.

Abstract: A hygienic drive system for a belt conveyor. The drive system has a stator rigidly mounted in a housing having an outer bearing surface that is continuous with the outer surface of mounting supports and avoids hard-to-clean nooks. A rotor assembly formed by drive wheels rotatably mounted on the outer surface of the housing or by a magnetic belt wrapped around a portion of the outer surface is rotated by a rotating magnetic wave produced by the stator. The stator and rotor can form an induction motor or a synchronous motor.

Abstract: In a roller drive and a method for controlling a system, including a roller rotationally mounted on a roller support, an electric motor driving the roller is at least partially surrounded by the roller, such that a housing is formed, at least one sensor is disposed on the roller drive, and energy and/or data is transmittable contactlessly between the roller drive and the roller or a part co-rotatable with the roller.

Abstract: A slip clutch assembly mountable on the end of a rotatable shaft, such as a roller conveyor roller shaft is described. The assembly includes a pulley rotatable around the shaft, the pulley having a circular peripheral wall to receive a conveyor belt, and a central wall with parallel front and rear faces, the wall including a plurality of through holes of a first given diameter and a plurality of magnet recesses of a greater given diameter axially aligned with the through holes and extending partially through the wall from the rear face of the wall; a plurality of magnets positioned in the magnet recesses and spaced from the wall front face, a steel disc attachable to the end of the shaft and attracted into engagement with the outer face of the pulley by the magnets whereby rotation of the pulley rotates the shaft, unless a predetermined load is exceeded.

Abstract: A substrate treatment system for treating substrates includes a system chamber, delimited by chamber walls, at least one substrate treatment device and a transportation device inside the system chamber. The transportation device has an arrangement of transportation rollers arranged one behind the other in the transportation direction, for vertical or horizontal transportation of substrates. At least a first group of transportation rollers which are arranged immediately one behind the other, each has its own drive device.

Abstract: A motorized drum (03000) has a drum shell (03700) with a motor (04200) there within and an end lid (03570) of a determined diameter with an end lid recess (46920). An end lid remover tool (46940) has an outer circumferential geometry with a larger diameter and a tool recess (46930). The tool recess complements the end lid recess. A joining cord (46910) has a cross-sectional geometry that corresponds to the combination of the end lid recess and the tool recess. An inlet enables access to the channel, and a flexible member (46910) is installed therethrough to occupy the channel. A slide hammer (46950) applies an axially outward force whereby the end lid is urged axially outward in response to outward force conveyed to the end lid arrangement via the flexible member. The remover tool can have alternatively a circumferential spiral geometry that is configured to engage an outer circumferential spiral geometry of the end lid.

Abstract: The present disclosure provides workpiece feed systems, methods and assemblies comprising one or more tapered feed rolls positioned at an angle to incoming workpieces. The tapered feed rolls may pull individual workpieces toward a guide while gradually accelerating the workpieces and altering their direction of travel. The angle and speed of rotation of the tapered feed rolls may be automatically adjusted to control workpiece speed/acceleration, providing improved gap control and minimizing collisions between successive workpieces. Tapered feed rolls may therefore reduce or eliminate the need for a conventional bridge to decelerate the workpieces after the directional change, reducing the operational space required by a workpiece feed system.

Abstract: Disclosed is a motor-operated conveyer roller for conveyor systems, having a roller body, a drive device arranged inside an interior space of the roller body, and a coupling device designed to transmit a torque from the drive device to an inner peripheral surface of the interior space of the roller body, wherein said coupling device has a clamping bushing, a clamping ring which can move axially with respect to the clamping bushing, a fastener element for the purpose of holding a clamping ring in a tensioned position against the clamping bushing, and a thrust collar which is fixed between a contact surface of the clamping bushing and a contact surface of the clamping ring in the tensioned position, wherein the thrust collar is frictionally connected via its outer periphery to the inner peripheral surface of the interior space of the roller body in the tensioned position.

Abstract: A clean room conveyor comprises a first guide rail and a plurality of motors coupled to the first guide rail, and a plurality of drive roller pairs. Each drive roller pair comprises two drive rollers, with a corresponding one of the plurality of motors disposed between the two drive rollers and applying torque to both of the two drive rollers.

Abstract: Various methods, apparatuses, and program products that are used to control at least a portion of a conveyor, determine information about an article conveyed by the conveyor, or otherwise operate a conveyor are provided. One method includes detecting whether a second conveyor controller is connected to the first conveyor controller and, in response to detecting that there is a second conveyor controller connected to the first conveyor controller, identifying whether the second conveyor controller is connected to a predetermined network interface of the first conveyor controller. The method further includes configuring the first conveyor controller to rotate a motorized roller in a first predetermined direction if a second conveyor controller is connected to the predetermined network interface and configuring the first conveyor controller to rotate the motorized roller in a second predetermined direction if a second conveyor controller is not connected to the predetermined network interface.

Abstract: A substrate treatment system for treating substrates in a continuous process includes a system chamber delimited by chamber walls, having an entry lock and an exit lock, and also at least one substrate treatment device and a transportation device inside the system chamber. The transportation device has an arrangement of transportation rollers arranged one behind the other in the transportation direction, for vertical or horizontal transportation of substrates. The rotor of the drive device is arranged under the pressure conditions prevailing in the system chamber and the stator of the drive device is arranged outside the pressure conditions prevailing in the system chamber.

Abstract: A sheet conveying apparatus includes: a first sheet conveying unit that conveys a sheet by a driving force of an asynchronous motor; a second sheet conveying unit that conveys a sheet by a driving force of a synchronous motor, wherein a sheet is transferred from one of the first sheet conveying unit and the second sheet conveying unit to the other one to convey the sheet; and an asynchronous-motor control unit that starts drive of the asynchronous motor at a drive start timing determined according to rotation information at a time of acceleration of the synchronous motor, at a time of starting sheet conveyance when a same sheet is conveyed by both the first sheet conveying unit and the second sheet conveying unit.

Abstract: A roller insert for a conveyor roller tube includes a cartridge housing having an inside end and an outside end, an outside bearing positioned proximate to the outside end of the cartridge housing, where the outside bearing has an inner race and an outer race, and a stub axle. The stub axle includes an elongate body portion having a drive interface portion positioned distally from the outside end of the cartridge housing. The roller insert also includes a bushing coupled to the inner race of the outside bearing, where the bushing includes a bore portion extending along the inner race of the outside bearing. The roller insert further includes a jacket at least partially surrounding an outer perimeter of the cartridge housing and extending in an axial direction to at least partially encapsulate the outer race of the outside bearing in the axial direction.

Abstract: A multi-function peripheral having an automatic document feeding device (ADF) suited for being configured in a body of an apparatus is provided. The apparatus has a first and second power sources to drive the ADF to transmit a paper in or out of the body. The ADF includes a limiting structure, a swinging member and a blocking member. The first and second power sources drive the limiting structure and the swinging member to swing respectively. The blocking member has a first end connected to the swinging member and a second end extending toward the limiting structure. When the limiting structure is at a second position and the swinging member swings toward a third position, the second end is trapped into the limiting space. When the limiting structure moves toward a first position and the swinging member swings toward the third position, the second end escapes from the limiting space.

Abstract: A conveyor roller (10) has a circular sleeve element (20), at least one side cover (30) covering one face side of the conveyor roller (10), and an acceleration unit (50). The sleeve element (20) is supported rotatably about an axis of rotation of the sleeve element. The acceleration unit (50) is connected in a torque transmitting manner to the sleeve element (20) and the side cover (30) such that a rotational speed of the sleeve element (20) about the axis of rotation can be influenced by the acceleration unit (50). The side cover (30) has a geometrical frame mounting structure on its outer side for mounting the conveyor roller (10) in a torque proof manner to a frame element by a form fit. A conveyor path has a frame structure to which such a conveyor roller is mounted.

Abstract: A device for transporting freight, especially freight containers in the cargo compartments of aircraft, especially to a power drive unit (PDU) having a drive roller (5) received in a frame (1) and a lifting unit (6) wherein the lifting unit (6) comprises at least one drive unit (9) for listing the drive roller (5) on both sides.

Abstract: Disclosed is a high performance washing inducing transfer unit. The transfer unit includes support structures spaced apart from each other, bottom rotary transfer structures including a bottom shaft rotatably mounted odd number mounts of the support structures, bottom transfer rollers coupled to the bottom shaft and wires radially arranged and connected to the bottom transfer rollers, a top rotary transfer structure including a top shaft located above the bottom shaft and top transfer rollers coupled to the top shaft, a drive device to rotate the bottom and top shafts for transfer of an object, an intermediary rotary transfer structure including an intermediary shaft mounted to even number mounts, intermediary transfer rollers coupled to the intermediary shaft and wires radially arranged and connected to the intermediary transfer rollers, and a linkage device to transmit power of the drive device to the intermediary shaft of the intermediary rotary transfer structure.

Abstract: A substrate transmission apparatus is provided. The substrate transmission apparatus includes two supporting stands, a transmission shaft having two end portions, a supporting shaft having two end portions, first rollers, and second rollers. Two end portions of the transmission shaft are respectively connected to the two supporting stands. Two end portions of the supporting shaft are respectively connected to the two supporting stands, and the supporting shaft is located above the transmission shaft. The first rollers are fixed at intervals on the transmission shaft and rotate with the transmission shaft to convey a substrate placed thereon. The second rollers are rotatably connected to the supporting shaft and are in contact with an upper surface of the substrate, such that the substrate is conveyed and sandwiched between the first rollers and the second rollers.

Abstract: A sputter tray moving system includes a sputter tray, a guide disposed under the sputter tray and including a groove, a pulley engaged with the groove of the guide and a buffer member disposed between the sputter tray and the guide. The sputter tray is moved when the pulley engaged with the groove of the guide is rotated in a rotation direction.

Abstract: A transport device and method of transporting a substrate using a rotatable shaft and baffles may be used to extend cleaning intervals for the transport device and reduce deposition of a vapour deposition material upon the transport device.

Abstract: A motorized conveyor roller prevents slip between a power transmission mechanism in a roller tube and the roller tube due to aging. The power transmission mechanism includes a first closed-bottom cylindrical member fit over a second closed-bottom cylindrical member and a bolt for axially pressing the members against one another. The first member receives torque from a motor and a double-sided tape is laid on an outer surface of the first member. Facing surfaces of the first and second members are tapered, and the circumferential wall with the double-sided tape is expandable diametrically. The bolt diametrically expands the circumferential wall pressed by the tapered surface. Thus, an adhesive force of the double-sided tape sandwiched between the circumferential wall and the roller tube is exerted to adhere the outer surface of the first member to an inner surface of a roller tube.

Abstract: A roller drive and system of roller drives, which includes a roller component driven by an electric motor, the electric motor being supplied from an electronic circuit, which is connected to a secondary coil, which is inductively coupled to a primary conductor installed in the external environment of the roller component, the electric motor, the electronic circuit, and the secondary coil being at least partially surrounded by the roller component so as to form a housing.

Abstract: A conveying system may include a frame that supports a plurality of rollers which carry articles thereon. At least one of the rollers may be a motorized roller with first and second motors adapted to rotate an outer cylindrical shell of the motorized roller. A controller external to the motorized roller may send speed control commands to the motorized roller to control both the first and second motors in a manner that increases torque of the motorized roller. The motors may be controlled in four quadrant mode, or two quadrant mode, or a combination thereof. The motorized roller may be used in a right angle transfer mechanism, or in other components of a conveying system.

Abstract: A treadmill roller structure comprises a motor, a gear set and a case. The motor is an out-runner motor. The power output section of the motor rotates about stationary spindle. The rotary power output section is engaged to the gear set, while the gear set is in turn engaged to the case, thus allowing the case to rotate relatively to the spindle of the motor as well. The roller structure does not require a driving belt to transfer power from the motor to the roller, thus reduces the power loss due to frictional force during power transfer through belt driving, which enhances the performance of the motor and offers a space-saving feature. In addition, the instant disclosure also provides a treadmill.

Abstract: In a roller drive and a method for controlling a system, including a roller rotationally mounted on a roller support, an electric motor driving the roller is at least partially surrounded by the roller, such that a housing is formed, at least one sensor is disposed on the roller drive, and energy and/or data is transmittable contactlessly between the roller drive and the roller or a part co-rotatable with the roller.

Abstract: There is disclosed a conveyor drive roller of the type which may be used for example for supporting and driving a conveyor medium. The conveyor drive roller has a hollow drum which defines a cylindrically shaped rotatable supporting surface, and an internal surface. The hollow drum is rotatably connected to a first and a second support structure. An internal gear assembly is disposed inside of the hollow drum and operably connected to the internal surface of the hollow drum. The second support structure is adapted to permit a rotor of a motor located outside of the hollow drum to releasably couple to the internal gear assembly through the second support structure, so that when the rotor is coupled to the internal gear assembly, through the second support structure, rotation of the rotor is transmitted by the internal gear assembly to the hollow drum to cause rotation of the hollow drum about the first and second support structures.

Abstract: There is disclosed a conveyor drive roller of the type which may be used for example for supporting and driving a conveyor medium. The conveyor drive roller has a hollow drum which defines a cylindrically shaped rotatable supporting surface, and an internal surface. The hollow drum is rotatably connected to a first and a second support structure. An internal gear assembly is disposed inside of the hollow drum and operably connected to the internal surface of the hollow drum. The second support structure is adapted to permit a rotor of a motor located outside of the hollow drum to releasably couple to the internal gear assembly through the second support structure, so that when the rotor is coupled to the internal gear assembly, through the second support structure, rotation of the rotor is transmitted by the internal gear assembly to the hollow drum to cause rotation of the hollow drum about the first and second support structures.