Abstract: A height of a case body (54) for covering an actuating device (1) is so designed as to be lower than a height of an operator. The actuating device (1) and the case body (54) will not largely project from a rooftop (50) of the building in which an ascending and descending cage (52) is disposed, and cost for the case body (54) can be lowered.

Abstract: The present invention provides an in-wheel motor for an electric vehicle allowing a drive motor to be freely mounted onto a chassis irrespective of the shape, structure, and characteristics of the drive motor as well as allowing free selection of a reduction gear ratio without need to replace a drive motor. An in-wheel motor for an electric vehicle includes a drive motor (1200), a reduction gear mechanism (1300), a wheel bearing, and a mechanical brake and serves as a drive apparatus for an electric vehicle.

Abstract: The invention relates to an electric drive unit having an electric motor, a gear, a gear housing, and a pole housing. A number of parts of the electric drive unit (1) and the production cost are both reduced by the integral embodiment of the gear housing (5) and pole housing (10) and by injection molding the short-circuit element (36) and magnet (32) into the pole housing (10). Such an electric drive unit (1) is used in windshield wiper motors or control motors in the automotive field.

Abstract: Arrangement for providing an integrated starter generator apparatus for producing electrical power and/or rotational torque. The apparatus includes a primary rotor (18) arranged for cooperation with a primary stator (16), and a secondary rotor (20) arranged for cooperation with a secondary stator (17). A one-way clutch (19) is disposed between the primary rotor (18) and the secondary rotor (20) that permits both rotors to be locked together in one direction of rotation, and that allows them to operate independently in the opposite direction of rotation.

Abstract: A portable power source (10) includes a housing (12), a stator component (20), a rotor component (18), a crank assembly (14), and a control system (24). The stator component (20) is secured to the housing (12), the rotor component (18) rotates relative to the stator component (20) and the crank assembly (14) is coupled to the rotor component (18). The crank assembly (14) is rotated by the user relative to the housing (12). As provided herein, rotation of the crank assembly (14) by the user results in rotation of the rotor component (18) relative to the stator component (20). In one embodiment, the control system (24) controls the amount of torque required to rotate the crank assembly (14). For example, the amount of torque required to rotate the crank assembly (14) is varied according to the rotational position of the crank assembly (14).

Abstract: An integrated, unitary actuator formed of a frame having structure for connecting an actuator motor, a structure for supporting a power translation member, and a structure for enclosing a control circuit. Optionally, a clearance structure of the frame receives a shaft of the actuator motor, and a passage from the control circuit enclosure to the clearance structure provides access for electrical power and sensor information between the control circuit to the actuator motor. Further optional, a cover plate over the structure for enclosing the control circuit secures the control circuit and provides a single-receptacle connection to the vehicle.

Abstract: A drive unit (6) has a sealed electronics housing (3) and motor housing (13). The signal receiver (37) is disposed on the brush holder (7) in the motor housing (13) or transmission housing (28). The design of a printed circuit board (49) can therefore be embodied in a simple fashion.

Abstract: An electric power steering system is provided, which comprises a steering assist electric motor, and a reduction gear mechanism for reducing a rotation speed of a rotatable shaft of the electric motor. The reduction gear mechanism comprises a worm shaft driven by the rotatable shaft, and a worm wheel driven by the warm shaft. The electric power steering system further comprises a joint for coupling the rotatable shaft to the worm shaft for transmission of a driving force. Longitudinally biasing means is provided in association with the joint for longitudinally biasing the worm shaft.

Abstract: An electric drive unit provides a simple and economical electrical connection of an electric motor and an electronic module. The commutator of the electric motor, a brush rocker ring arranged on the commutator, and the drive shaft of the electric motor as well as the carrier body of the electronic module are inserted into a transmission housing. In the transmission housing, the carrier body of the electronic module is positioned so that contact elements provided on the brush rocker ring engage into contact points provided on the carrier body of the electronic module. The electric drive unit can be used for window lifter drives.

Abstract: A driving apparatus has a differential gear unit and an electric motor and drives drive wheels of a vehicle. The differential gear unit includes a differential case provided with a final driven gear, and two axle shafts respectively coupled to the drive wheels. A hollow rotor shaft is coaxially disposed outside one of the axle shafts, and a rotor of the electric motor is fixed to this rotor shaft. A reduction shaft is disposed in parallel to the axle shaft, and this reduction shaft is provided with a driven gear, which is engaged with a drive gear provided on the rotor shaft, and a final drive gear engaged with the final driven gear.

Abstract: An engine starter includes two motors housed inside a housing, a driven gear wheel meshed between the pinions at the motor shafts of the motors, a first idle gear meshed with an internal gear at the driven gear wheel, a second idle gear coupled to the first idle gear for synchronous rotation, an output gear wheel meshed with the second idle gear, and an output shaft axially extended from the output gear wheel and selectively provided with a socket or starting bar for starting the engine of any of a variety of model vehicles.

Abstract: In an electrical drive mechanism, in particular for motor vehicles, having a commutator motor (14) disposed in a housing (10), which commutator motor (14) has a rotor shaft (17) with a commutator (22) non-rotatably supported on it and has a brush holder (30) affixed to the housing (10), and having a bearing (25) disposed in the vicinity of the commutator (22), which bearing has a bearing bush (34) that encloses the rotor shaft (17) with rotary play and a bearing seat (35) that contains the bearing bush (34), in order to achieve a simple embodiment for the bearing (25), a clamping member (37) is formed onto the brush holder (30) of one piece with it, which clamps the bearing bush (34) in a frictionally engaged, axial fashion in the bearing seat (35) formed in the housing (10) (FIG. 1).

Abstract: A clutch mechanism 20 is provided for a motor 10. The motor has a shaft 12, a worm 14 associated with the shaft, a gear 16 engaged by the worm, and a friction surface 27. The clutch mechanism 20 includes a pressure plate 22 mounted for movement with respect to the shaft toward and away from the friction surface 27. A spring 26 is constructed and arranged to bias the pressure plate towards the friction surface. A stop 30 is constructed and arranged to limit movement of the pressure plate in a direction away from the friction surface. Whereby, under a back drive condition of the motor when the motor is not energized and the gear is moved by an externally applied torque causing an axial force to be exerted on the worm inducing an axial and an angular movement to the shaft, the pressure plate is constructed and arranged to move towards and engage the friction surface thereby impeding rotation of the shaft.

Abstract: A control circuit board is received in a circuit board receiving case without being directly joined to the circuit board receiving case and has a circuit board side connector. The circuit board side connector is installed to a main body side connector of a gear housing in an installation direction parallel to a rotatable shaft of the motor main body to supply electric power to the motor main body through the main body side connector. A pin main body of a fixing pin is received into a fixing through hole of the control circuit board through a pin receiving through hole of the gear housing in a direction perpendicular to the installation direction of the circuit board side connector.

Abstract: A drive assembly in a motorized door opener includes a motor that is mounted on a mounting structure. At least one vibration isolator is provided between the motor and the mounting structure. The vibration isolator includes a first mounting fastener configured to be mounted to a mounting fastener on the motor, a second mounting fastener configured to be mounted to the mounting structure to mount the motor on the mounting structure, and an elastomeric material between the first and second mounting fasteners. The elastomeric material lies between the first and second mounting fasteners so that the isolator's two mounting fasteners are not in physical contact.

Abstract: A wind-driven rotor is connected to a generator via a multi-stage planetary transmission arrangement and a spur gear stage. The rotor is supported in the housing of the transmission, and an annular gear carrier with an annular gear is arranged directly on the rotor. The transmission represents a compact drive with a high transmission ratio for driving generators by wind power and makes assembly simple.

Abstract: An electromechanical actuator includes a brushless motor driving an output shaft through a torque-amplifying geartrain. An integrated motor commutation sensor includes an annular, two-pole magnet rotating with the motor and two ratiometric Hall-effect sensors at right angles around the magnet. The sensor signals are utilized by a processor to compute motor angle over 360 degrees rotation. An integrated output position sensor includes a second annular magnet rotating with the output shaft, and a second pair of Hall-effect sensors providing signals to the processor for computation of output shaft absolute position. The commutation magnet angle is predicted from the output shaft position, and compared to the motor's sensed rotational angle. The difference is used to correct the output shaft sensed angle with improved accuracy proportional to the gear ratio. The processor also provides logic signals to control motor winding current and provide closed-loop control of actuator position.

Abstract: A motor main body includes a brush holder, which supports a plurality of power supply brushes and includes a motor-side connector to be connected with an external connector. A circuit board is installed to the brush holder in a direction perpendicular to an axial direction of a rotatable shaft to electrically connect between the motor-side connector and the power supply brushes. The circuit board is received in the circuit board receiving portion when the motor main body and a speed reducing unit are assembled together to form an electric motor.

Abstract: A motor assembly 30 includes an electric motor 32 having a rotatable shaft 40, the shaft 40 having a worm 38; and a gear unit 33 operatively associated with the motor, the a gear unit has first and second opposing ends. The gear unit 33 includes a gearwheel 36 operatively coupled with the worm 38 of the shaft 40 such that rotation of the shaft rotates the gearwheel. A driver 42 is operatively coupled with gearwheel so as to rotate therewith. The driver 42 is constructed and arranged to provide a driving member 43, 44 accessible at each of the first and second ends of the gear unit.

Abstract: An improved actuator (1) for water heating/cooling and sanitary systems includes a miniaturized D.C. Motor (2) with a mechanical clutch element (4), a first motor reducing unit (6) including a planetary reducing unit with a high gear ratio, a second reducing unit (14) for transforming a rotary movement into a reciprocating axial movement, and a supporting framework (29, 7, 9, 26) for supporting the components, and an electronic card (37) for controlling and driving the motor (2). A plurality of coupling adapters (33) allow the improved actuator (1) to be coupled to manifolds of different manufacturers.

Abstract: The invention starts from an actuating drive (10) with an electric motor (12), which drives an output shaft (32) via a toothed wheel gear (14) in a planetary design, which includes a first housing-mounted central wheel (16) and a second rotatable central wheel (18), whereby both central wheels (16, 18) each form gear steps with different step-down ratios with at least one planet wheel (20, 22) and the planet wheel (20) belonging to the first central wheel (16) is connected to the planet wheel (22) belonging to the second central wheel (18) in a torque-proof manner. It is proposed that the electric motor (12) drive a planet carrier (26) on which the planet wheels (20, 22) are pivoted.

Abstract: A driving apparatus for an elevator includes rotary elements disposed in such a manner as to be in contact with a circumferential surface of an input shaft adapted to be rotationally driven by an electric motor device so as to rotate as the input shaft rotates, a cylindrical element disposed in such a manner as to be in contact with the rotary elements on an inner circumferential surface thereof so as to rotate as the rotary elements rotate, and a sheave provided on an outer circumferential side of the cylindrical element and configured so as to be wound therearound with ropes for lifting up and/or down a moving cage of the elevator. A brake device is disposed in a radial direction of the sheave for braking a brake disc constructed so as to extend in the radial directions and secured to the sheave.

Abstract: The motor and gearbox combination is for use in a portable power tool having a motor section and a gearbox section. The motor section comprises a motor housing having a first end and an open second end, a first bearing supported at the first end of the motor housing, a stator fixed to the motor housing, a cap closing the open second end of the motor housing and supporting a second bearing and a motor shaft journalled at one end in the bearing and at the other end in the bearing, and a rotor mounted on the motor shaft in confrontation with the stator. The gearbox section comprises a gearbox housing accommodating a gear train and an output shaft. The cap is connected to the gearbox housing at or adjacent to the first end of the motor housing and encloses or substantially encloses the motor housing.

Abstract: A motor includes a motor unit and a speed reducing unit. The speed reducing unit has a gear housing. The gear housing includes a circuit board receiving portion and an opening that faces the motor unit. A control circuit board is received in the circuit board receiving portion through the opening in an axial direction of a rotatable shaft. When the motor unit is assembled to the speed-reducing unit, the control circuit board is clamped between the speed-reducing unit and a cover connected to the motor unit.

Abstract: An electrical generator in a coin mechanism supplies enough current to operate an electronic device or an electromagnetic device such as a solenoid, by providing a stator mounted about a rotor and driven by a spring-loaded drive wheel. The drive wheel rotates with the coin mechanism up to a release position, loading the spring. At the release position the drive wheel is released and snaps back to the rest position, driving the rotor and causing the rotor to rotate rapidly within the stator, generating an electric pulse. The electrical signal can be used to pulse a counter, electronic tag or other tracking device, and to recharge a small battery which may be provided as a backup or auxiliary power source. In one embodiment the invention further provides a means for determining whether a deposited coin is composed of metal or form a non-conductive material such as plastic or cardboard.

Abstract: A starter for an internal combustion engine is comprised of an armature, a motor case, a planetary gear speed reduction mechanism connected to an armature shaft, a frame and a partition plate disposed between the motor case and the frame. The partition plate has an armature-shaft hole and a chamber-connection passage between the armature shaft hole and the armature shaft for connecting the motor chamber and the speed reduction chamber. An undulating circumferential groove is formed between the partition plate and the frame to connect the speed reduction chamber and the outside. A long water drainpipe is removed from a starter for a recreational vehicle.

Abstract: An integrated drive motor unit which is integrally constituted of a motor, an inverter and a reducer differential unit arranged in a row, and a frame member. The reducer differential unit is connected to an output shaft of the motor, and distributes torque of the motor to a pair of axles, one of which passes through the inverter. The frame member constitutes a part of the motor and a part of the reducer differential unit, and has a portion surrounding the axle passing through the inverter. The inverter is disposed outside the frame member.

Abstract: A fault-tolerant actuator module, in a single containment shell, containing two actuator subsystems that are either asymmetrically or symmetrically laid out is provided. Fault tolerance in the actuators of the present invention is achieved by the employment of dual sets of equal resources. Dual resources are integrated into single modules, with each having the external appearance and functionality of a single set of resources.

Abstract: A movable stage system includes a motor which rotates a rotational element, a transmission system engaged with the motor and selectively engaged with a platform, a first lock which engages the transmission system such that the transmission system moves the platform according to a rotation of the rotational element, a second lock which engages the transmission system such that the transmission system moves the platform moves according to the rotation of the rotational element. When the first lock engages and the second lock does not engage the transmission system, the transmission system moves the platform in a first direction according to the rotation of the rotational element. When the first lock does not engage and the second lock engages with the transmission system, the transmission system moves the platform in a second direction other than the first direction according to the rotation of the rotational element.

Abstract: There is provided a motor-driven system which realizes an optimum driving mode for an electric automobile, a robot carrier car, a drum of a copying machine, etc., and a motor-driven system having a function as an optimum actuator for such driving.

Abstract: A drive unit for wiper assemblies includes a housing (2, 3; 91) surrounding a drive motor, which is associated with a gear (13, 30, 50, 60, 80, 90), whose drive shaft (5, 40, 65, 97) drive wiper components. On the housing (2, 3; 91), a connecting point (27) for a control and regulating electronics, as well as for connecting to an on-board system of a motor vehicle and a position detector (12), are provided. The drive shaft (5, 40) lies either coaxial to the drive shaft of a rotationally symmetrical motor and drive unit (1, 30, 50, 80) or the axis of symmetry (93) of the motor and gear unit (60, 90) lies in a mirror plane (78).

Abstract: A dual-directionally operated dynamo set includes a housing, an actuating mechanism slidably mounted in the housing in a reciprocal manner, a dual-motion structure mounted in the housing and driven by the actuating mechanism, and a dynamo device mounted in the housing and driven by the dual-motion structure. Thus, the generator of the dynamo device may be operated successively to generate the electric power along dual directions in a reciprocal manner without stopping, thereby enhancing the generation efficiency of the electric power.

Abstract: A rotor having magnets composed of rare-earth magnets is rotatably disposed inside an exterior casing, a penetrating aperture is disposed through a first end of the exterior casing relative to a direction of a motor central axis, and a filter is disposed so as to cover the penetrating aperture from a second end of the exterior casing relative to the direction of the motor central axis. A shaft is mounted to a bush by screwing an external thread portion into an internal thread portion. An operating member is mounted integrally onto a second end portion of the shaft projecting outward from a penetrating aperture in a housing. A rotation-regulating projection portion of a guide member fixed to the shaft is fitted loosely into a guide groove disposed so as to extend along an inner wall surface of a central aperture of the housing in the direction of the motor central axis.

Abstract: A motor main body includes a brush holder, which supports a plurality of power supply brushes and includes a motor-side connector to be connected with an external connector. A circuit board is installed to the brush holder in a direction perpendicular to an axial direction of a rotatable shaft to electrically connect between the motor-side connector and the power supply brushes. The circuit board is received in the circuit board receiving portion when the motor main body and a speed reducing unit are assembled together to form an electric motor.

Abstract: Improving layout characteristics of a detecting switch with respect to a control board to miniaturize an electric actuator. Switch-side connecting terminals are provided in a limit switch constituting a panel-position detecting mechanism, which is fixed to an outer face of a motor cover. Meanwhile, board-side connecting terminals having connecting portions to be terminal-connected to the switch-side connecting terminals are fixed to the control board, and the control board is disposed inside the motor cover and is fixed in a board case. By moving the limit switch toward the connecting portions, the switch-side connecting terminals and the connecting portions are connected, whereby the limit switch and the control board are connected.

Abstract: A drive unit for wiper assemblies includes a housing (2, 3; 91) surrounding a drive motor, which is associated with a gear (13, 30, 50, 60, 80, 90), whose drive shaft (5, 40, 65, 97) drive wiper components. On the housing (2, 3; 91), a connecting point (27) for a control and regulating electronics, as well as for connecting to an on-board system of a motor vehicle and a position detector (12), are provided. The drive shaft (5, 40) lies either coaxial to the drive shaft of a rotationally symmetrical motor and drive unit (1, 30, 50, 80) or the axis of symmetry (93) of the motor and gear unit (60, 90) lies in a mirror plane (78).

Abstract: A protective and monitoring apparatus (20, 23) for monitoring and reducing shaft currents and shaft voltages on the generator shaft (19) of a generator (16) which produces electrical power, which protective and monitoring device (20, 23) is connected between a contact apparatus (21, 24), which makes contact with the generator shaft (19), and a grounding connection (22, 25) and comprises a parallel circuit formed by a resistance and a capacitance, with one end of the parallel circuit (26, 27) being connected to the contact apparatus (21, 24) and its other end being connected to the grounding connection (22, 25), said parallel circuit being protected against overvoltages on the generator shaft (19) and means (31) being provided for bridging the parallel circuit (26, 27) when an overvoltage occurs.

Abstract: An electronic control unit is received in an electronic control unit receiving portion of a gear housing of a motor, and a support plate is press fitted into a couple of plate receiving holes, which penetrate through opposite walls, respectively, of the gear housing in a direction perpendicular to an axial direction of the motor at an open end of the gear housing. A yoke housing of a motor unit is secured to the support plate with screws while a brush holder is clamped between a flange of the yoke housing and the support plate.

Abstract: A motor actuation device is constructed of a motor a reduction gear train and a detection mechanism. The reduction gear train includes a worm gear and a worm wheel. The worm gear is fixed to a rotary shaft of the motor and meshes with the worm wheel. The worm wheel transmits the rotation of the motor to the lens barrel to slide it along an optical axis. The detection mechanism includes a first spur gear, an idle gear, a second spur gear, an impeller and a photo interrupter. The first spur gear is molded with the worm gear integrally. The idle gear meshes with the first spur gear and the second spur gear. When the motor causes the rotation, a blade of the impeller passes in the photo interrupter and a pulse is generated from the photo interrupter.

Abstract: The invention relates to a drive unit for wiper components on motor vehicles. The rive unit includes an electric drive (10), which is accommodated in a housing (3; 32, 33). The electric drive (1) includes an armature shaft (26), on which a first toothing (4) is formed. The armature shaft (26) is axially, displaceably accommodated in the housing (3; 32, 33) and is loaded via a spring element (28). On the housing (3; 32, 33), a crown wheel or a crown wheel segment (5) is pivotally accommodated. The crown wheel or crown wheel segment (5) meshes with the first toothing (4) on the armature shaft (26) of the electric drive (1).

Abstract: The invention relates to an electromechanical wheel brake device (10), with an electric motor (18) that can press a frictional brake lining (14) against a brake body (16) (brake disk) by means of a reduction gear (34) (planetary gear) and a rotation/translation conversion gear (48) (ball screw). The invention proposes embodying the electric motor (18) as a transverse flux motor (18) with three phase windings (21); each phase winding (21) has a circular, annular excitation winding (22) that is disposed inside U-shaped yokes (24), which are distributed over the circumference of the excitation winding (22). This embodiment of the electric motor (18) permits a compact design of the electric motor (18) in an annular, hollow shaft design so that the reduction gear (34) and the rotation/translation conversion gear (48) can be disposed at least partially inside the electric motor (18).

Abstract: A motor gear box has a direct current motor, a first bevel gear, a second bevel gear, a pinion transfer gear, at least one cluster gear, an output gear, an output shaft, and a collar abutting against the output gear and surrounding the output shaft. The motor gear box also includes a frame formed integrally with the collar, a first cover to protect the motor, and a second cover having a cradle formed integrally therein. The output shaft has at one end a stepped down shaft portion held in the cradle and at an opposite end a hollow internal chamber formed to receive a protuberance of a device requiring the delivery of high torque to carry out a task in a small space. A programmable control board is attached to one side of the motor; an electrode tip is arranged on a top of the motor; a lead harness assembly is secured around the electrode tip; and an L-shaped connection rod links the lead harness assembly to the control board to conserve space.

Abstract: During the positioning of a control device for controlling an electromechanical drive, contact elements, which are connected to the control device in a fixed manner, are positioned in relation to one or more openings in a connector collar. To position the control device, the latter is displaced into a predetermined position. The predetermined position is defined, for example, by a guide or a stop. The contact elements are a component of an electric and/or optical junction which connects the drive device to other functional units, for example to a door control device or a motor vehicle battery. To position the contact elements in the connector collar of a connecting element which lies on the side of the drive device in the junction, the contact elements are positioned in relation to openings in the connector collar by being displaced together with the control device into the predetermined position.

Abstract: A drive system for a domestic appliance provides inner and outer coaxial drive outlets operative at different speeds and comprises an active limb, which incorporates an electric drive motor and a shaft driven by said motor and coupled to the inner drive outlet to drive it at a selected speed. The system also includes a passive limb which incorporates a rotary component; the two limbs being mounted in fixed relationship to one another. A first speed reduction mechanism couples the shaft to the rotary component of the passive limb and a second speed reduction mechanism couples the said rotary component to the outer drive outlet. Conveniently, the rotary component comprises a further shaft, disposed substantially parallel to the driven shaft of said motor, and both limbs of the system are rigidly mounted to, and supported by, a common framework of support members. Both speed reduction mechanisms are typically belt driven, and may provide identical reductions.

Abstract: A stepping motor including a rotor having a plurality of magnetic poles, one stator base arranged near the rotor, a pair of magnetic yokes fixed on the stator base and arranged to face the magnetic poles of the rotor, a pair of excitation coils for exciting the pair of magnetic yokes respectively in response to drive pulses which have phase difference, and a pair of stator magnetic polar portions integrally formed with the stator base. The stepping motor is constructed to form magnetic paths together with the number of magnetic turns of the excitation coils without increasing the size of the magnetic yokes, thereby enhancing operations and reliability.

Abstract: A motor-gear unit, having an eccentric wheel gear, driven by a rotary drive (3), which eccentric wheel gear has an eccentric element (8), an eccentric wheel (10) rotatably supported on the eccentric element, and a driver (15), and the driver (15) cooperates with the eccentric wheel (10) by intermittent meshing, further having at least one guide bolt (22), which cooperates with the eccentric wheel (10) and both assures the eccentric motion of the eccentric wheel (10) and prevents an undesired rotation of the eccentric wheel 10. It is proposed that the eccentric wheel gear is disposed in a free installation space of the rotary drive (3).

Abstract: A direct drive windshield wiper assembly including at least one brushless DC motor providing a drive torque through an output that is rotatable about the longitudinal axis of the motor and a windshield wiper that is driven by the motor about the longitudinal axis in a repeated wiping motion across the surface of a windshield. The motor including a planetary gear set having an output shaft, the gear set being coaxially disposed relative to the rotational output and the longitudinal axis of the motor and operatively interconnecting the drive torque and the windshield wiper, the gear set further operable to reduce the speed of the rotational output of the motor to the windshield wiper through the output shaft of the gear set.

Abstract: In an electric-motor drive device for auxiliary devices in motor vehicles, such as sliding roofs, window controls, windshield wipers, and the like, having a gear housing (17) and a cup-shaped motor housing (13) that is slipped with its opening edge (131) onto the gear housing (17) and fixed thereon, to reduce manufacturing costs and the requisite installation space and improve force introduction from the motor housing (13) to the gear housing (17), the motor housing (13), in its slip-on region, is roller-burnished into the gear housing (17).

Abstract: Improving layout characteristics of a detecting switch with respect to a control board to miniaturize an electric actuator. Switch-side connecting terminals are provided in a limit switch constituting a panel-position detecting mechanism, which is fixed to an outer face of a motor cover. Meanwhile, board-side connecting terminals having connecting portions to be terminal-connected to the switch-side connecting terminals are fixed to the control board, and the control board is disposed inside the motor cover and is fixed in a board case. By moving the limit switch toward the connecting portions, the switch-side connecting terminals and the connecting portions are connected, whereby the limit switch and the control board are connected.

Abstract: A motor gear box has a direct current motor, a first bevel gear, a second bevel gear, a pinion transfer gear, at least one cluster gear, an output gear, an output shaft, and a collar abutting against the output gear and surrounding the output shaft. The motor gear box also includes a frame formed integrally with the collar, a first cover to protect the motor, and a second cover having a cradle formed integrally therein. The output shaft has at one end a stepped down shaft portion held in the cradle and at an opposite end a hollow internal chamber formed to receive a protuberance of a device requiring the delivery of high torque to carry out a task in a small space. A programmable control board is attached to one side of the motor; an electrode tip is arranged on a top of the motor; a lead harness assembly is secured around the electrode tip; and an L-shaped connection rod links the lead harness assembly to the control board to conserve space.