Abstract: This application discloses a motor drive of electrical apparatuses which drives medium and high voltage switch disconnectors, circuit breakers, disconnectors, and earthing switches. The disclosed drive includes a system of reduction transmissions including a worm transmission and a cycloidal transmission located in a common housing. The axis of the output shaft of the drive is situated centrically on the axis of a wormwheel of the worm transmission, in the axis of the output gear of the cycloidal transmission and in the axis of a revolving eccentric bush. The wormwheel of the worm transmission is mounted immovably on the revolving eccentric bush on which there is mounted rotatably a gear wheel of the cycloidal transmission whose output gear is coupled with a slidable bush of a disengaging coupling mounted on the free end of the output shaft of the drive.

Abstract: An electronic switch and control module for a power tool having an electric motor is provided. The module includes a printed circuit board (PCB), an encapsulation member forming an enclosed compartment enclosing a portion of a surface of the PCB, and power switches mounted on the surface of the PCB outside the enclosed compartment, where the power switches are electrically configured to switchably connect a supply of electric power from a power source to the electric motor. The module further includes an input unit having at least one electro-mechanical element at least partially disposed within the enclosed component and generating a signal for controlling a switching operation of the plurality of power switches.

Abstract: The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween.

Abstract: Headgear includes a brim portion and a power source. In one form, a camera is mounted to the brim portion such that the power source powers the camera. The camera includes a lens mounted to the brim portion and control circuitry for operating the camera mounted to the brim portion at least partially between upper and lower major surfaces thereof. In alternate forms, a heat sink can be mounted to the brim portion to dissipate heat generated by powered components of the headgear, such as the camera, a circuit board, a light source, or the like, and a rotary switch can be mounted to the brim portion for energizing the a light source and/or operating the camera.

Abstract: Provided is a rotation detection device that detects a rotational direction and amount of a rotatable operation member. The detection device manages to reduce the rotation detection pitch while maintaining sufficient clearance for a rotation detection switch to operate. In other words, sufficient distance is given between rotation detection members such that the switch can accurately detect the movement from one member to the next. The rotatable operation member generally includes a plurality of switch driving sections that rotate in unison. A rotation detection switch generally includes a portion that moves in a first and second direction opposite to each other when coming into contact with the rotatable operation members, and is configured to output a detection signal at each movement. The switch and rotatable operation members are configured so that the movement direction of the detector is in a direction orthogonal to the circumferential direction of rotation.

Abstract: A shorting plug for a pulsed power system is provided, having a rotator assembly at least partially nested within a cam housing and at least partially rotatable within the cam housing with respect to a cam rail that operably engages the rotator assembly to transition between a shorted mode of operation and an open mode of operation. During the shorted mode of operation, a pair of electrical contacts extend from the cam housing to operably engage the electrical contacts electrically connected to a energy storage device such as a capacitor, while the electrical contacts are retracted and rotated within the cam housing during the open mode of operation. The rotator assembly is connected to a housing cap, which allows the operator to transition the shorting plug between the two modes of operation.

Abstract: An electric tool has a rib projecting from an inner peripheral surface of the electric tool, and a trigger switch. The trigger switch has a housing having a housing venthole, a contact mechanism disposed in the housing, and a trigger that, when depressed into the housing, drives the contact mechanism. The housing of the trigger switch is bonded to the rib. The rib has a rib venthole. The housing venthole is communicated with the rib venthole. The rib venthole is covered with a filter.

Abstract: Provided is a rotation detection device that detects a rotational direction and amount of a rotatable operation member. The detection device manages to reduce the rotation detection pitch while maintaining sufficient clearance for a rotation detection switch to operate. In other words, sufficient distance is given between rotation detection members such that the switch can accurately detect the movement from one member to the next. The rotatable operation member generally includes a plurality of switch driving sections that rotate in unison. A rotation detection switch generally includes a portion that moves in a first and second direction opposite to each other when coming into contact with the rotatable operation members, and is configured to output a detection signal at each movement. The switch and rotatable operation members are configured so that the movement direction of the detector is in a direction orthogonal to the circumferential direction of rotation.

Abstract: A shorting plug for a pulsed power system is provided, having a rotator assembly at least partially nested within a cam housing and at least partially rotatable within the cam housing with respect to a cam rail that operably engages the rotator assembly to transition between a shorted mode of operation and an open mode of operation. During the shorted mode of operation, a pair of electrical contacts extend from the cam housing to operably engage the electrical contacts electrically connected to a energy storage device such as a capacitor, while the electrical contacts are retracted and rotated within the cam housing during the open mode of operation. The rotator assembly is connected to a housing cap, which allows the operator to transition the shorting plug between the two modes of operation.

Abstract: A housing of an electronic device encloses and supports at least one operational component and includes at least one opening sized to accommodate a mechanical input assembly. The mechanical input assembly includes a feature arranged to receive an input event, at least a portion of the feature exposed at an outside surface of the housing, an operational indicia visible on the exposed portion and having a preferred orientation with respect to the housing, the operational indicial providing an indication of how an operation of the operational component is influenced, and a shaft having a size and shape in accordance with the opening, the shaft attached to the external feature at a first end and an integrally formed self-capturing feature at the second end. The self-capturing feature is inserted into the opening until activated. The indicia is then properly aligned and the mechanical input assembly is locked to the housing.

Abstract: A dual function switch assembly includes a switch housing part containing multiple switches at different elevations and a rotor having cam surfaces aligned with the switches for operating the switches. A mounting part is connected to the switch housing part and provides mounting features for attachment in a desired installation.

Abstract: A clockwise and counterclockwise rotation switching device of a power tool is capable of effectively suppressing chattering or fusing of an elastic end to improve contact durability. An end part of a fixed contact is formed to be an elastic end deformed by contacting a movable contact. A unit base includes a regulation projection which is abutted with the elastic end, which is deformed in contact with the movable contact, so as to regulate the deformation quantity.

Abstract: A mode dial device is set in an electrical device. The mode dial device includes a rotary member and a pressure detection module. The rotary member includes a main body, a shaft portion connecting the main body and the electrical device, and a contact portion located at the bottom of the main body with an inclined surface. The pressure detection module is electrically coupled to the electrical device and located under the rotary member. The pressure detection module includes a button portion which is movable vertically. The button portion contacts the contact portion. When the rotary member is rotated, the contact portion pushes the button portion of the pressure detection module. The pressure detection module outputs a signal according to a moving distance of the button portion.

Abstract: A rotary combined switch structure with multistage switch function includes a casing unit, a switch unit and a rotary unit. The casing unit has a casing, a first opening formed on a top side of the casing and a second opening formed on a bottom side of the casing. The switch unit is disposed under the casing. The rotary unit has a rotary body. The rotary body has a top portion passing through the first opening and exposed above the casing, and the rotary body has a bottom portion passing through the second opening and exposed under the casing in order to selectably turn on or turn off the switch unit.

Abstract: A two-way key of a portable terminal is provided. The two-way terminal includes a fixed member mounted on the portable terminal, a driving member rotatably assembled with the fixed member, and an operating member pivotably assembled with the fixed member, wherein, as the driving member rotates, the driving member comes into contact with the operating member and causes the operating member to pivot. The two-way key as configured above can construct a key capable of operating in two ways while taking a small space so that it contributes to the compact size of the terminal. Further, if the two-way key is employed in the watch-type portable terminal, the operating scheme is identical to that of a spring of a common analog wrist watch or a time control lever, so that it is familiar to a user and thus it is convenient for a user to use.

Abstract: A dial controller includes a dial, a displacement converter for converting a rotational displacement caused by a rotation operation of the dial to an axial displacement of the dial along a rotation axis of the dial, and a displacement detector for detecting and outputting information on a rotation angle of the dial based on a detection result of the axial displacement of the dial.

Abstract: A rotary switch includes a holder base holding two metal contact plates and one metal connection plate, a rotary handle vertically pivotally coupled to a pivot shaft of the holder base and rotatable relative to the holder base between a first position where a bottom recess of a circular actuating member of the rotary handle receives a respective electric connection portion of each metal contact plate and the electric connection portion of the metal connection plate contacts the electric connection portions of the metal contact plates and a second position where a protrusion of the circular actuating member forces the electric connection portion of one metal contact plate away from the metal connection plate to produce an electrical signal, and a torsion spring sleeved on the rotary handle with its two ends respective connected to the actuating member and the holder base for returning the rotary handle automatically after each rotary motion.

Abstract: A rotary DIP switch includes a base having a receiving space and a shaft, a plurality of fixed contact terminals having fixed contact portions exposed in the receiving space, and a contact plate having a plurality of movable contact portions to contact the fixed contact portions. A rotary member is disposed above the contact plate, and includes a press plate having a periphery interconnecting radial top and bottom faces thereof, and a plurality of press members to respectively press the movable contact portions against the fixed contact portions. The periphery has an axially extending first face, and an inclined second face. A top cover covers the rotary member, and includes two wing plates each having a tongue plate with an abutment portion to abut against the second face.

Abstract: A rotary light switch for motor vehicles is presented that ensures a feel that is not susceptible to mechanical influences. The rotary light switch has an actuator that can be rotated around an axis and that can be moved in the axial direction, and that is non-rotatably coupled to a rotational position indicator and axially coupled to an axial position indicator. Moreover, it has an electronic evaluation circuit to which the signals from the rotational position indicator and from the axial position indicator are fed and, according to a permanently stored decision matrix, said evaluation circuit uses the signals to derive discrete switching states that are converted into switching signals that serve to actuate the lighting system of the vehicle. The rotational position indicator comprises a potentiometer that generates a negligible resistance to the rotational movement, so that no mechanical influences are caused by the rotational position indicator.

Abstract: A key operated switch that provides enhanced operational characteristics wherein the rotary motion of a key is translated into the actuation of a switch mechanism that rapidly establishes an electrical connection between a source of electrical current and a load. The switch uses a toggle adapted to interact with a standard switching mechanism which reduces the number of components and the cost of the switch. The key cylinder is coupled to a yieldable member such as spring to provide a positive or snap action when the key cylinder is rotated with a prescribed arc of rotation which reduces the complexity of the switch.

Abstract: A stackable switch assembly includes a base switch housing having switch components therein, an intermediate switch housing having second switch components therein, with the intermediate switch housing mechanically engaged with the base switch housing, and a cover mechanically engaged with the intermediate switch housing. Multiple intermediate switch housings can be used between the base switch housing and the cover.

Abstract: A switch device includes a base member, a rotary mechanism and a vertical actuation mechanism. The rotary mechanism is received in the base member to move a present circular displacement while a hollow handle turning. The vertical actuation mechanism is received in the base member under the rotary mechanism to move a downward preset displacement in the vertical direction for touching button type switches underneath while the rotary mechanism moving.

Abstract: The present invention relates to a multi-way synchronous switcher. The multi-way synchronous switcher comprises a contacting tongue unit and a cam, the contacting tongue unit comprises an upper contacting tongue unit, an intermediate contacting tongue unit and a lower contacting tongue unit which are mounted in sequence; the lower end of the cam has a shape of step provided with several step stages; the first slider being able to move up and down is provided between the cam and the intermediate contacting tongue unit; the lower end of the first slider is connected to an elastic mechanism which can actuate the intermediate contacting tongue unit to move up and down.

Abstract: A switch apparatus for a vehicle includes a circuit board including at least one circuit having a first contact and a second contact. A knob is rotatably mounted relative to the circuit board. The knob has at least one cam extending therefrom. At least one switch corresponds respectively to the at least one circuit and has a switch contact. The switch contact is linearly movable to an engaged position in which the switch contact contacts the first contact and the second contact of the respective at least one circuit, such that the first contact and the second contact are electrically connected. The knob is rotatably movable such that the at least one cam moves the at least one switch contact into the engaged position.

Abstract: The rotary light switch for motor vehicles has a housing (10) and an actuating member (14) mounted rotatably. In a peripheral wall (24) of the housing, a cam surface (26) is recessed, which runs in peripheral direction and rises axially facing axially away from the actuating member. A cam follower (22) projects radially from the actuating member (14) and runs up on the cam surface on rotation of the actuating member, bearing only axially on the cam surface and forcing the actuating member (14) to move axially.

Abstract: A switch for limiting and controlling a linear range of movement by rotational means. Two limiting positions of the switch are independently adjusted using worm gears. The switch includes a plate and a rotatable block having a rotatable shaft rotatably disposed relative to the plate. The plate has first and second electrolinking points spaced apart from each other. One end of a spring plate is fixed to the first electrolinking point, a middle portion of the spring plate is abutted against a circumferential edge of the rotatable block and the other end of the spring plate adopts two working positions with respect to the second electrolinking point.

Abstract: A rotary switch suitable for use as a transmission gear selection switch. The switch includes a housing and a rotor rotationally connected to the housing, the rotor being rotational about a first axis. A cam follower connected to the rotor has a cam surface substantially centered about a radial axis, the radial axis being normal to the first axis. An electrical contact carried by the rotor has a contact surface spaced from the cam surface along the radial axis.

Abstract: An electronic switch assembly, has at least one switch thereon, the at least one switch being capable of receiving a contact from a rotating cam, in order to control the power accessory.

Abstract: A microswitch with shifting gear, especially suited to set indication, alarm and urgent tripping in pointer type instruments, like pressure gauge, thermometer and so on. The microswitch includes a switch unit, a pressure bar (or lever), an actuator, and a shifting gear. The shifting gear is located near one side of the pressure bar. This shifting gear includes a cam and two forks (or arms) fixed on the cam. The location of the center shaft of the cam is fixed relative to the switch unit. On a circumferential portion of the cam, there are two contact points or two contact surfaces that have unequal distances from the center of the shaft. When a striking arm hits on one of the forks, the cam will rotate and change the contact point or contact surface that contacts the pressure bar, thus the functional mode of the switch unit can be changed. The pointer-type instrument has a pointer (or indicator arm) that indicates environmental conditions such as temperature or pressure.

Abstract: A rotary switch has a rotary dial, an operation shaft, a housing, a rotary plate and a circuit board. A binding member extends from the rotary dial and inserts through a central through hole of the housing and connects to the contact plate to allow the rotary dial and the contact plate to rotate together. The housing and the circuit board attach and remain stationary, independent of any rotational movement of the rotary dial. The contact plate has a plurality of contact protrusions that extend in a predetermined pattern so that in accordance with rotation of the rotary dial, at least one contact protrusion is brought into electrical contact with at least one linear contact member belonging to a contact member array positioned on the circuit board. The rotary switch operates when a shaft contact portion mounted on the circuit board is pressed by a lower end of the operation shaft in accordance with axial movement of the operation shaft.

Abstract: An operating mode switching unit for a bicycle includes a rotary knob disposed on a front surface of a panel and connected to a plate-shaped spring unit by an axle. The spring unit includes a first spring portion which can be elastically deformed in the direction toward the axle. A second spring portion which can be elastically deformed in the direction toward the panel is disposed nearer to the axle. The first spring portion has a first protrusion projecting radially outward, and the second spring portion has a second protrusion projecting in the direction away from the panel. The panel is formed in its rear surface with a wall having indentations into which the first protrusion can snap. A laminate member faces the rear surface of the spring unit and includes plural pairs of opposing switch contacts. Each pair of contacts are pressed to contact with each other by the second protrusion.

Abstract: A rotary-actuated electrical switch which is adapted to be utilized for electrical current and preferably alternating current circuits. The operation of the switch is accomplished through the rotation of a handle and the therefrom resulting movements and forces applied to a unique spring-loaded cam and brush lifter assembly.

Abstract: A rotary switch includes a contact forming member including a switch contact and a land contact and an elastic plate including a base portion mounted on the land contact and an abutment portion disposed above the switch contact. A rotor is disposed above the elastic plate for pivotal movement and includes depresser portions provided in the lower surface of the rotor for depressing the elastic plate. When the rotor is rotated, the depresser portions of the rotor cause the elastic plate to be depressed, so that the abutment portion is engaged with the switch contact.The contact forming member may be constructed by forming the switch contact and the land contact on a circuit substrate.The contact forming member may be constructed by a metal plate on which the switch contact is formed, a metal plate on which the land contact is formed, and a stationary member on which the metal plates are secured.

Abstract: An electrical switch assembly actuatable by a rotatable member wherein the switch assembly includes a polysulfone housing having a hub with a peripheral camming surface and a hub aperture. The hub is rotatably disposed in the housing wherein the rotatable member is disposable through a housing aperture and into the hub aperture for engagement with the hub. A pair of substantially similar resilient electrical contact blades are disposed in the housing in spaced relation wherein each resilient electrical contact blade has at least one wire engagement portion accessible through a wire aperture in the housing. The hub is rotatable by the rotatable member so as to cause the peripheral camming surface of the hub with one of the resilient electrical contact blades and thereby flex the engaged resilient electrical contact blade into electrical contact with the other resilient electrical contact blade. The housing is a two part assembly having a fluid resistant interface.

Abstract: A switch structure with multiple usages, in which the engaging seat is firmly associated with the main body only by means of engaging the the engaging hooks of the engaging seat with the reverse hooks of the main body without using any screw or rivet. The central shaft of the rotary switch is integrally formed with three arch stopper blocks and between each two arch stopper blocks is formed an acute driving block which such contacts with bent arms of the conductive plates and the connecting plate that when the rotary switch is rotated to rotarily drive the central shaft, the contacts of the central shaft are revolved clockwisely or counterclockwisely to change the positions of the contacts relative to the conductive plates so as to save power. A third conductive wire can be inserted through the other oblique notch of the main body into an insertion hole of the connecting plate to change the switch structure into one with three sets of wires.

Abstract: The invention is directed to a switch (2) for electrically powered apparatus, in particular for domestic appliances, with a rotary actuating shaft (4) transmitting the switching operation from a rotary handle (5) to a switch contact (15, 16), the actuating shaft (4) including a longitudinal bore (24) in which an actuating rod (5) is axially movably disposed, an end of said rod being adapted to be urged into the actuating shaft (4) for a depth of some length in opposition to a restoring force and converting an axial motion into a radial switching operation of control cams (23) acting on the switch contacts (15, 16). This provides a convenient short-time operation in a simple manner.

Abstract: A cam actuated control device (10) is provided. The control device (10) includes at least two momentary switches (13, 14) which are surface mounted on a circuit substrate (12). An actuating member (20) having a contoured cam surface (25) is movably positioned proximate to the switches (13, 14) such that movement of the actuating member (20) selectively actuates the switches (13, 14) to produce a binary encoded output.

Abstract: The disclosure relates to high-voltage change-over switches that are used to apply high voltage alternately to two X-ray tubes. Each of the four switch devices constituting a change-over switch includes a fixed contact element connected to an input terminal of the high voltage and a movable contact element connected to an output terminal by a curved, flexible strip, the shifting of which is obtained by a hinged arm that is actuated by an insulator sleeve surrounding the strip. The rotation of the sleeve in one direction causes contact through a hole in the wall of the sleeve while rotation in the reverse direction causes the contact elements to move away from each other and gives rise to the interposition of the insulator wall between the contact elements at a distance. The disclosed device can be applied to radiology installations.

Abstract: A microwave C-, T- or S-switch has an actuator of circular shape that is rotated by a suitable motor. Each conductor path of the switch contains a connector having two positions, one position connecting the conductor path and a second position interrupting the conductor path. The conductor paths and connectors are enclosed within a housing and a pin is mounted on each connector and extends outside of the housing through a suitable opening. Each pin is spring-mounted so that the conductor path is connected when the pin is depressed and interrupted when the pin is released. The actuator is shaped and mounted to override the pins, the actuator containing one or more ridges and one or more indentations. When a ridge overrides a pin, the pin is depressed and the conductor path is connected. When an indentation overrides a pin, the pin is released and the conductor path is interrupted.

Abstract: Two disks per vacuum switch tube are mounted on a drive shaft, the disks having grooves running around the drive shaft and open in relation to one another. In the grooves of two of these disks, a cylindrical follower is guided, the movement of which is transmitted via a link to a swivel lever and to a movable switch contact. The drive shaft is driven, supported via a releasable support member in the switch-on and in the switch-off position, in a clockwise direction by the spiral spring in order to switch off or switch on the power switch. The follower is restrictedly guided in the grooves of the disks, whereby the position of the movable switch contact is obliged to correspond to the corresponding rotation position of the drive shaft.

Abstract: A mechanism for providing electrical or pneumatic signals indicative of the rotation position of a rotatable shaft includes a switch housing mounted on a base with a cam shaft passing upward through the base and supporting one or more cam elements for cooperating with electrical switches contained within the housing. The base is especially designed to support a flared drum on the outer surface of which are graphic characters viewable through a window on a fixed indicator cover and visible from above and the sides for visibly displaying the orientation of the rotary shaft. The mounting mechanism including a system of brackets and spacers permits the device to be used with a variety of devices incorporating a rotatable shaft.

Abstract: An air gap switch is operated by a non-conductive rotatable indexing cam switch which rotates relative to two electrical contacts resiliently disposed on opposite sides of the cam. A spider with depending conductive legs is mounted on the cam. Rotation of the cam alternatively connects and disconnects the electrical contacts wherein the connection, when made, is completed through the conductive spider located on the cam. The cam is operated, pushbutton style, by depressing a main shaft relative to the housing of the air switch. The main shaft engages projections on the index cam which step the cam through a plurality of index positions.