Abstract: A switching device is disclosed which includes a working shaft and a control shaft installed in a frame part, the control shaft being rotatable and adapted to turn the working shaft, and the working shaft being adapted to change the position of poles of the switching device. One of the two shafts passes through the other.

Abstract: A latching and electrical switch mechanism includes an insulated housing having a cavity therein with an opening thereto along with an electrically conductive ball disposed therein. The ball includes a stem with a smaller diameter than the ball and extends therefrom with a ball being sized for rotational and translational movement within the housing cavity. At least one groove is provided in the housing cavity and a coil spring is disposed in a groove for making electrical contact with the ball and retaining the ball for rotation within the cavity with the stem at selected conical angles with respect to the housing centerline. At least one electrical contact is disposed in the cavity at a spaced apart relationship with the coil spring for providing electrical connection with the ball upon translational movement of the ball within the cavity, which also produces an audible sound.

Abstract: A high-current circuit breaker has a base with a chamber, a contact on a bottom of the chamber, a conductive sheet, a supplement conductive sheet, a connecting element connecting the conductive sheet and the supplement conductive sheet, a rotational shaft and a spring. The conductive sheet is mounted in the chamber and is bendable to selectively contact the contact. The supplement conductive sheet is mounted on and contacts the conductive sheet and has a bending portion being formed in the supplement conductive sheet near a rear of the chamber and having multiple through holes. The rotational shaft is mounted in the chamber and has a stop protruding from the rotational shaft and being selectively located between the contact and the conductive sheet. The spring connects the rotational shaft and one side of the chamber. The supplement conductive sheet allows increased electricity current to pass through the high-current circuit breaker.

Abstract: A rotary type pulse switch includes a movable electrode 57 having a plurality of contacting portions 57A formed in positions of the same radius from its rotation center, and a fixed electrode 50 disposed face to face with the movable electrode 57 and having a plurality of contacted portions 60 arranged in form of stepping stones on the same circumference as a rotation locus T of the contacting portions 57A. The fixed electrode 50 includes a first fixed electrode pattern 52A, a second fixed electrode pattern 52B and a common fixed electrode pattern 51, each of the fixed electrode patterns 51, 52A, 52B being in a mutually nonconductive state. The contacted portions 60 are arranged in such a positional relationship that a full insulation state occurs during rotation of the movable electrode 57 in which none of the contacting portions 57A contact the first fixed electrode pattern 52A, second fixed electrode pattern 52B or common fixed electrode pattern 51.

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: The invention concerns a rotary selector as control device for switching on and off and automatic control of a number of different program steps of electrical appliances such as washing machines, tumble dryers, dishwashers and the like. The rotary selector in the invention functions as a control device for switching on and off and automatic control of a number of different program steps of electrical appliances such as washing machines, tumble dryers, dishwashers and the like. This is done by connecting a pivoted actuator (3) via an operating shaft (4) with a magnetic rotary field sensor (5) in Hall sensor technology. An interface is integrated into the rotary field sensor (5), via which an angle-dependent code is transmitted to an electronic evaluation and control unit. In addition there is a device for positioning the actuator (3) at a precise angle, whereby a particular program cycle is assigned to each setting of the rotary field sensor (5) and each switch position of the actuator (3).

Abstract: A switch assembly (1) includes a rotary electrical switch body (13) having a plurality of switch positions, a switch stem (12) extending along a first axis (32) and having a first and second ends, the first end engaging the rotary switch (14) for alternating the rotary switch body between the plurality of switch positions responsive to rotation of the switch stem about the first axis, and a knob assembly (10). The knob assembly includes a knob core contacting the second end of the switch stem, a knob collar (22) contacting the knob core and adapted for rotating the knob core and the switch stem about the first axis, where the knob collar includes a first upper stop member (46), and a stop cam (20) having a fixed position relative to the switch stem and disposed between the knob core and the rotary switch, where the stop cam includes a lower stop member (31) having a feature for engaging the first upper stop member when the first upper stop member and the lower stop member are disposed along a common path.

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 dial-type manipulator is used to manipulate devices mounted on an automobile, such as an air-conditioner, an audio system or a navigation system. The dial-type manipulator includes a first gear formed on an outer periphery of a dial member and a second gear engaging with the first gear. A detector such as a rotary resistor is driven by the second gear to detect a rotational position of the dial member. A position holder for holding the first gear at a predetermined reference position is provided in the manipulator. A confirmation mark such as a groove or a rib mark is formed on the front surface of the second gear. The confirmation mark is visible from a front side of the manipulator at a position along an outer periphery of a dial member when the dial member is rotated and held at the reference position, if the first gear engages with the second gear at a predetermined correct position. If the gears are not correctly engaged, the confirmation mark is located at other positions.

Abstract: A master light switch for a ground vehicle includes an actuator rotatably mounted to a housing. A switching contact is axially movably mounted to the actuator to rotate with the actuator. A plurality of circuit contacts faces the switching contact wherein different circuit contacts are electrically connectable by the switching contact depending on the rotary position of the actuator. A spring element urges the switching contact axially towards the circuit contacts to make contact between the switching contact and a circuit contact. A lift-and-set formation is arranged between the housing and the switching contact to axially displace the switching contact from a circuit contact during rotary movement of the actuator and to release the switching contact at a defined rotary position of the actuator to be axially urged by the spring element to axially move to make electrical contact between the switching contact and a circuit contact.

Abstract: The operating device includes a first holder that holds a zoom lever so as to be rotatable, a return spring that energizes the zoom lever in the rotation direction, and a second holder that holds the return spring and is held within the zoom lever, wherein the first holder supports the return spring while causing the return spring to undergo elastic deformation. Such a configuration makes it possible to distribute the load placed on the stopper during operation, thereby preventing an operating member or the stopper from breaking.

Abstract: An electrical switch having a plurality of switch positions includes a plurality of first electrical contacts, and a second electrical contact configured to electrically connect at least two of the first contacts. A carrier member is configured to carry the second contact, and a knob is used to facilitate selection of the switch positions. The knob is configured to cooperate with the carrier member so that moving the knob from one switch position to another results in a related movement of the carrier member and the second contact. A first biasing member, which is electrically isolated from all of the electrical contacts, is configured to bias at least a portion of the second contact toward the first contacts to facilitate an electrical connection therebetween.

Abstract: Rotary body 22 is provided with storing hole 22E, 22F in two positions point-symmetrical to the rotational center at the upper part of flange 22C, and retainers 26, 27 having steel balls 25A, 25B, steel ball receiving holes 26A, 27A, coil springs 28A, 28B are stored therein from the opening side in order, and steel ball receiving hole 26A of one retainer 26 is provided with a tolerance that enables steel ball 25A to slightly move in the horizontal direction, and click plate 24 on which steel balls 25A, 25B are resiliently contacted is disposed between rotary body 22 and bearing 23, and as a result, it is possible to maintain rhythmical clicking and clicking sound even in case of repeating the rotating operation.

Abstract: A rotary circuit selection device (400) having a driving cam (430) and an operating cam (440), each having a series of alternating peaks (442) and valleys (455). A biasing mechanism (420) biases the driving cam toward the stationary cam such that the peaks of one cam are received by the valleys of the other cam and vice versa. Selection of an alternative circuit includes rotating and translating the driving cam in relation to stationary cam.

Abstract: An electrical rotary switch has a casing, a rotor supported within the casing for rotation, a moving contact mounted on the rotor for rotation with the rotor, and four fixed contacts located laterally of the rotor for short-circuiting by the moving contact. Each fixed contact has a contact body in the casing for contact by the moving contact and a leg extending from the contact body and projecting out of the casing for insertion through a circuit board and soldering to the circuit board for mechanical and electrical connection.

Abstract: A knob assembly comprising a rotary knob, a rotary actuated potentiometer and an electronic display. The rotary knob has a central opening and is configured to rotate. The rotary actuated potentiometer is actuated by rotation of the rotary knob. The electronic display is located within the central opening of the rotary knob. The electronic display does not rotate with rotation of the rotary knob.

Abstract: Implementations provide a first option of simultaneously turning on or turning off two distinctly separate and isolated electrical circuits, such as when each of two electrical devices are powered by a different energy source. Implementations provide a second option of connecting the two separate circuits together, such as when both of the first electrical device and the second electrical device are to be powered by both of the different energy sources connected in parallel. Included is an electrically isolative rotor internal to a housing. The rotor is keyed with an external knob used to control rotational position of the rotor. Further included are electrically conductive link bars contained by the rotatable rotor that electrically couple with stationary bus bars dependent upon rotational positioning of the rotor. Other implementations of the enhanced switch are envisioned including another depicted implementation discussed allowing for a double-pole, double-throw switch.

Abstract: A U-shaped spring member is placed on the outer periphery of a hollow cylindrical part of an operating body. Engaging portions in arm portions upwardly inwardly extending from both ends of the spring member are fitted into holes through the hollow cylindrical part and brought into resilient contact with a groove on the outer periphery of an operating shaft. This structure provides a switch device that has great resistance to pull-out of the operating body for secure fastening thereof and is easy to assemble.

Abstract: A power hand tool includes a rotary adjustment knob for adjusting maximum output torque, which has a plurality of radial ribs, radial locating grooves alternatively arranged on the inner sidewall thereof, and a locating member for supporting the rotary adjustment knob in position, which has a mounting base coupled to a part inside the housing of the power hand tool and two locating portions located at two opposite sides of the mounting base. Each of the locating portions has a protrusion engaged with one of the radial locating grooves of the rotary adjustment knob.

Abstract: A rotary switch, which is used to detect a state of a stand with respect to a body of a motorcycle, for example, comprises a housing having a ring-shaped outer wall so that an annular recess is formed; a rotor which is rotatably supported on the housing around a center axis of the annular recess; a plurality of stationary contacts each having a circular arc shape and provided on a bottom face of the annular recess; a moving contact which is provided on the rotor and is connected and disconnected with the stationary contacts following to rotation of the rotor with respect to the housing; and a cable draw-out portion from which an electric cable including a plurality of inner cables respectively connected to at least the stationary terminals is drawn out from the housing. The rotor has a U-shaped joint which holds an end portion of the stand pivotally mounted on the body, so that the rotor rotates corresponding to rotation of the stand with respect to the stationary portion.

Abstract: A dial knob of a washing machine is provided. In the dial knob, a dial is inserted into a center part of a knob guard, and a periphery edge of the knob is formed to be lustrous. A lamp window body is securely attached on a rear surface of the knob guard. The knob guard is formed of an aluminum material. Thereafter, a front surface of the knob guard is formed to be lusterless and an edge of the front surface is formed to be lustrous. Finally, the dial is connected to the lamp window body.

Abstract: A knob assembly comprising a housing, a circuit board, a rotary knob, a rotary actuated potentiometer and a rotation assembly. The housing has a front face. The circuit board is located in the housing, with the circuit board having a front and a rear. The rotary knob extends from the front face of the housing, with the rotary knob being located in front of the circuit board. The rotary actuated potentiometer is connected to the rear of the circuit board. The rotation assembly mechanically transfers a rotation force of the rotary knob to the rotary actuated potentiometer.

Abstract: A rotary switch for installation in the dashboard of a vehicle has a switch housing, an actuation shaft that is arranged rotatably in the switch housing, a knob that is mounted on one end of the actuation shaft, and a ring-shaped faceplate that surrounds the knob and that is detachably fastened to the switch housing. The faceplate is connected to the switch housing by a locking mechanism. This locking mechanism can be released by a relative rotation between the faceplate and the switch housing. The knob can be moved axially in a predetermined rotational position and is coupled non-rotatably to the faceplate by means of this axial movement. In order to detach the faceplate from the switch housing, the knob is moved into the predetermined rotational position and then moved axially and turned at the same time, whereby the faceplate also turns and the latched connection between the faceplate and the switch housing is released.

Abstract: A rotary switch is disclosed which has a central handle (12) which is rotatable about a central axis (Z), a ring-shaped shield (16) surrounding the handle (12), a rotary button (18) which is arranged on the shield (16) and is rotatable about an axis (V) offset from and parallel to said central axis (Z), and a potentiometer (28) which is adjustable by means of the rotary button (18). The potentiometer (28) is radially spaced from the offset axis (V), and is coupled with the rotary button (18) by means of a gear (24, 26). The potentiometer (28) is offset radially inwards from the offset axis (V) towards the central axis (Z).

Abstract: A normally closed (on) switch with an on-off fixed structure comprises at the center a seat having a sleeve inside which a push part and an elastic component; a top cover provided on the seat, of which the center is formed with a piercing hole corresponding to the sleeve; a movable ring provided in the hole, of which one end is formed with a flange around that is provided with a guidance groove corresponding to each pillar, and inside which more than one recessed portions are formed; and a movable button provided in the ring and associated with the push part, of which one end is formed with a raised part corresponding to more than one recessed portion formed inside the fringe of ring and the other end is formed with a groove. The button is pushed, rotated at a certain angle, and released to enable and disable the switch.

Abstract: A knob assembly for the switch of a radio is provided which prevents the switch from being rotated to certain positions except when the knob is moved in an axial direction after contact with a stop. The knob may be returned to a location where other switch positions may be selected without requiring further axial motion of the knob on the part of the radio operator.

Abstract: A knob structure is disposed on an electronic device to input a preset control signal. The knob structure includes a rotary encoder, a brake wheel, and a rotary wheel. A plurality of ratchets is disposed around the circumference of the brake wheel and locked on the rotary encoder. The rotary wheel is rotatably disposed on the body case of the electronic device and is nested on the brake wheel correspondingly. A block is disposed on the rotary wheel to be embedded between the ratchets, so as to control the rotation of the rotary wheel to generate a preset control signal by causing the brake wheel to drive the rotary encoder to rotate. The rotary wheel and the brake wheel are engaged non-fixedly, so as to prevent the rotary wheel and the body case of the electronic device from interfering with each other.

Abstract: A washing machine for reducing the movement of a dial knob. The washing machine comprises a control panel disposed on one side of a housing forming the external appearance of the washing machine, and provided with a circuit board installed therein for controlling the operation of the washing machine; a rotary switch installed on the circuit board and rotated for allowing a user to select functions of the washing machine; a dial knob passing through the control panel for transmitting external force to the rotary switch; a rotary shaft for transmitting the force from the dial knob to the rotary switch; a shaft receiving hole, in which the rotary shaft is installed; and shaft support ribs interposed between the rotary shaft and the shaft receiving hole for reducing the movement of the dial knob in the radial direction.

Abstract: A code disc is spline-connected to an operation unit supported such that it can rotate and move vertically and sandwiched between a center cylinder and a return spring. Rotation of the operation unit is detected by photointerruptors through the code disc and vertical movement of the operation unit is detected by a photointerruptor through a cylinder.

Abstract: A two-phase rotary encoder is provided which includes a substrate for the encoder which is double-faced and has a copper-foil-bonded substrate etched thereon, a first ring-shaped electrode pattern and a second ring-shaped electrode pattern formed concentrically around a center hole on the substrate, a smooth, level ring-shaped comb electrode pattern formed on an outermost periphery of the substrate, wiring patterns which cover the electrode patterns through each of external connecting terminals provided on the substrate, and a common external connecting terminal provided on an edge of the substrate, formed on a surface thereof via the center hole or a through hole. The rotary encoder further includes a resin-molded case, a shaft, a gear-shaped rotor, a click mechanism and a tact switch mechanism.

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: Disclosed is a rotary knob assembly for a home appliance. The assembly includes a rotary switch having an encoder and a shaft rotatably installed at the encoder, a knob coupled to the shaft of the rotary switch, and a support member provided around the rotary switch to support the rotary switch.

Abstract: An operating device of an electronic apparatus contains a rotatable operating knob protruding from a panel and stopper means for preventing the rotation of the operating knob. When the power of the electronic apparatus is turned off, the rotation of the operating knob is prevented by a stopper part of the stopper means. When the power of the electronic apparatus is turned on, the rotational operation of the operating knob is can be performed by releasing the stopper part of the stopper means. Therefore, when the power of the electronic apparatus is turned off, that is, when the adjustment of the electronic apparatus is not needed, even when a user inadvertently touches the operating knob, the operating knob does not rotate. Thus, a previously set value is prevented from being inadvertently changed.

Abstract: A rotary manipulation type electronic component includes a space formed by a case. A base houses a rotating body holding a resilient contact as a movable element. A comb-like contact is formed as a fixed element. A first bushing in the case and a second bushing in the base rotatably support a rotating shaft that rotates together with the rotating body. An inner bottom face of a cap-shaped knob is secured onto an end of the rotating shaft so that the knob receives a barrel portion, which supports the rotating shaft as a portion of the case.

Abstract: A digital pulse generator including a circular housing having a cover and a base. The base including at least one contact terminal secured therein. The digital pulse generator further including an encoder disc secured within the cover and rotatable relative to the base. The encoder including a plurality of projections formed on a first side of the encoder disc such that each of the plurality of projections defining a ridge and a valley. A ball positioned adjacent to the first side of the encoder and adapted to roll between the ridge and the valley. The ball coupled to a flexible contact and adapted to alternately engage the at least one terminal contact when the ball is adjacent to the ridge.

Abstract: A control panel having a momentary push-button switch matrix in combination with a rotary switch, which is coupled to the switch matrix by a pulser that generates a signal similar to that of a selected momentary push-button such that the selection of a rotary switch position will generate a signal similar to that of a momentary push-button.

Abstract: In a combination switch having both rotary and pushbutton momentary switches, a method for determining which switch has been selected by a user. The method also includes distinguishing between the selection of a rotary switch from a pushbutton switch.

Abstract: A control unit, particularly for a cooking appliance, containing at least one depressible knob via which at least one switch can be actuated by an outward motion of the knob. The aim is to provide a control unit and cooking appliance of the aforementioned type, in which additional functions can be versatilely integrated in a structurally simple manner in a depressible knob without limiting the rotating motion of the knob. To this end, a blocking unit prevents the knob, in at least one rotating position, from being depressed and in this rotating position, the switch can be actuated by an outward motion of the knob that is transmitted to the switch via a transmitting unit.

Abstract: A rotating electric switch includes a shaft with a side hole and a biasing member in the side hole for outwardly biasing an electrically-conductive bullet. The bullet is in electrical communication with a shaft conductor in a bottom hole of the shaft. A liner insulation cap placed over the shaft has a hole in the liner insulation cap sidewall covered by an electrically conductive sleeve. The switch achieves a non-conducting state by rotating the shaft until the head of the bullet is retracted within the sidewall of the liner insulation cap. A conducting state is achieved by rotating the shaft until the bullet extends through the hole in the liner insulation cap sidewall to electrically contact the conductive sleeve. Further embodiments may include an electrically-conductive inner tube in the side hole of the shaft and one or more grooves defined in the interior surface of the liner insulation cap.

Abstract: First stopper face (7b) is provided on each of click teeth (7) of a click teeth portion 8 of a click mechanism (14) affording a click feeling during the rotation-operation of a rotary knob (11). Second stopper face (13b) is provided on a tooth portion (13) of a click piece (10). The first stopper face (7b) and the second stopper face (13b) cooperate to prevent the rotary knob (11) from rotating in a direction opposite to a direction indicated by an arrow A. Consequently, there is no need for providing a stopper as an additional component.

Abstract: A rotating actuator includes a shaft (24) and a mechanical stop device (23) for generating a stop to limit the rotation of the shaft in a direction of rotation. The stop device acts upon the shaft to prevent the shaft from rotating further in the direction of rotation by blocking the shaft using a stop device acting mechanically on the shaft while enabling rotation of the shaft in a direction of rotation counter to the stop with slip in a stop arrangement. The slip is configured such that movement of the shaft in the direction of rotation counter to the stop is detectable. The stop device may include two independently triggered, mechanical stop devices. One stop device acts as a stop for limiting the rotation of the shaft to the right, and the other stop device acts as a stop for limiting the rotation of the shaft to the left.

Abstract: A multi-position switch assembly mounted in a housing. The switch assembly includes a rotatable member, a set of first electrical conductors disposed along a first circumference and a set of second electrical conductors disposed on a printed circuit along at a second circumference. The switch assembly also includes an actuating mechanism that selectively provides electrical contact between at least one of the first conductors with one of the second conductors to close a circuit when the member is rotated. The first conductors may be either stationary or rotatable with the member. The actuating mechanism for the stationary conductors includes a cam, a bearing retainer and a pad with resilient buttons. The rotatable conductors are spring-biased and guided in a slot on the printed circuit board.

Abstract: An electric part with a click feeling comprises a click member, which includes sliding plate portions composed of a metal plate and a supporting plate portion for supporting the sliding plate portions. Each of the sliding plate portions has a sliding portion, on which a front end portion of an engaging and disengaging member slides, and a pair of bending portions which are provided at both ends of the sliding portion and are positioned on the sliding locus of the engaging and disengaging member. The bending portions of neighboring sliding plate portions of the plurality of sliding plate portions are opposite to each other at predetermined intervals and are held in one surface of the supporting plate portion, and the engaging and disengaging member fits into concave portions formed between the bending portions. Thus, since the engaging and disengaging member can move smoothly without getting caught in the bending portions, thereby lengthening it's life span.

Abstract: A rotary switch configuration for a household appliance includes a rotary knob seated in a cutout in an appliance panel and firmly connected to an actuating shaft so as to rotate with it but move axially, the actuating shaft transmitting the rotary movement of the rotary knob to a switching shaft of a switching unit mounted behind the appliance panel. Exact and wobble-free guidance of the rotary knob is achieved by the actuating shaft being rotatably mounted on the appliance panel by a bearing device.

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: An operating device having a rotary knob capable of rotation operations exhibits compatibility between speed and precision in operation and does not require use of a plurality of rotary knobs. In the operating device (1) including the rotary knob (4) and the rotation detecting means (8) for detecting the rotated angle of the rotary knob, the rotary knob includes a small-diameter component (4F) for operating the rotary knob quickly, and a large-diameter component (4S) for operating the rotary knob slowly or for fine adjustment, and the determining means (9) is provided for determining the rotated position of the rotary knob when the rotary knob is operated.

Abstract: A rotary switch mechanism for an operation panel is designed such that the space on a printed board is ensured, the design of electronic parts on the printed board can be readily made, and the attachability of a switch is good. Drive pieces are arranged at predetermined intervals around the end of a rotary knob behind the operation panel, and a detection switch for detecting the passage and the direction of the passage of the drive pieces is disposed in or near the extent where the drive pieces move.

Abstract: First stopper face (7b) is provided on each of click teeth (7) of a click teeth portion 8 of a click mechanism (14) affording a click feeling during the rotation-operation of a rotary knob (11). Second stopper face (13b) is provided on a tooth portion (13) of a click piece (10). The first stopper face (7b) and the second stopper face (13b) cooperate to prevent the rotary knob (11) from rotating in a direction opposite to a direction indicated by an arrow A. Consequently, there is no need for providing a stopper as an additional component.

Abstract: A rotating actuator includes a rotatable control shaft, a manually operated handle connected therewith, and a device for generating a haptic perception when rotating the control shaft. The haptic signal generating device is developed in the form of a mechanical detent assembly including a detent curve and at least one detent element engaging the stop curve. An activating device is allocated to the haptic signal generating device and is actively configured on the detent curve or a detent element. By selecting the activation device an interaction is created between a detent element and the detent curve in order to generate the haptic signal formed by the detent curve. The haptic signal can be enabled or disabled by activating or deactivating the activation device as the control shaft is rotated.