Abstract: A dustproof structure for an electronic equipment includes internal switches disposed in a housing forming an external frame of the electronic equipment and an opening for use in operating the internal switches. The dustproof structure further includes a shutter plate for opening or closing the opening; and a cover plate for supporting the shutter plate, the shutter plate being freely slidable between the cover plate and the housing. A slide recess serving as a sliding area of the shutter plate is formed in the housing or the cover plate.

Abstract: A switching device has a switch, a case within which the switch is accommodated, a cylinder which is provided on an upper surface of the case and open to above and below to communicate with the inside of the case, an operation knob which covers an opening of the cylinder and swings in a front-to-rear direction, and an operation bar which extends from the operation knob through the opening into the case to transmit the motion of the operation knob to the switch. A guide member is disposed between the case upper surface and the end of the operation knob. The guide member is inclined in the left and right directions so as to guide water toward the sides of the case.

Abstract: A switching device capable of preventing entrance of water from outside of a case through a space below an operation knob into the case is disclosed. The switching device includes: a switch; a case within which the switch is accommodated; a hollow cylinder which is formed integrally with the upper surface of the case and open to above and below to communicate with the inside of the case; an operation knob provided to cover an upper opening of the cylinder such that the operation knob can swing; and an operation bar which extends through a lower opening of the cylinder into the case to transmit the motion of the operation knob to the switch. A concave is formed on the upper surface of the case at a position around the cylinder. A lid for covering a part of the concave is provided on the concave near the cylinder.

Abstract: A smooth keyboard with low-key height for association with a keyboard control circuit includes a top enclosure having a generally impenetrable surface, the surface comprising a plurality of keys and a seal edge. A pliable webbing surrounded the keys such that there are no gaps between the keys or between the keys and the top enclosure, the pliable webbing creating a generally impenetrable seal between the keys and between the keys and the top enclosure, the seal edge having a rib. A bottom enclosure formed as a single unit that forms a generally impenetrable surface having a seal edge, the seal edge having a trough, the trough for receiving the rib to form a generally impenetrable seal surrounding the keyboard control circuit.

Abstract: A waterproof structure for switch pins includes a pin exposed outside a switch to be connected to an electric wire. The pin and the electric wire are covered by a waterproof insulation material through an injection forming process to become an integrated manner. The pin and electric wire are fully waterproof. The electric wire also can be fastened firmly to the pin to prevent separation of the two.

Abstract: An assembly having an electric switching function, comprises a switch device which has associated electric conductors and a movable actuating part, on which a hood member is mounted, and which is provided in a housing comprised by an outer injection-molded body; the hood member has its rim resting on a first injection-molded synthetic material body that fixes and partially encloses the electric conductors, and is sealingly connected to the first injection-molded synthetic material body by means of the outer, second injection-molded synthetic material body that both covers the rim of the hood member and also adjoins the first injection-molded synthetic material body.

Abstract: A switch for vehicles, which temporarily holds the screw maintaining reliability, can be easily assembled, and is particularly suited for detecting the opening and closure of doors. An insertion hole is formed in a cylindrical portion of a cover covering the upper surface of a mounting plate and an operation body, the insertion hole extending into a through hole of the mounting plate. A screw is forcibly held in the insertion hole. This prevents an inconvenience of the screw escaping when a shock is given or a force is exerted from the lower side during the transit or while being attached to the vehicle.

Abstract: A noise reduction key structure is disclosed. The noise reduction key structure is applied to an electronic device having a housing and a substrate, the substrate being installed in the housing, the housing having a key portion, the noise reduction key structure comprising: a switch element which is installed on the substrate in response to the key portion; and an encapsulation which has a hole, wherein the hole encapsulates on the up side of the substrate, so that the substrate and the encapsulation together encapsulate the switch element into a chamber of the encapsulation, whereby when the key portion is pressed down, the key portion triggers the encapsulation to further trigger the switch element, and the encapsulation can reduce the noise of triggering the switch element.

Abstract: An opening switch (1) for vehicle doors or rear hatches comprises an actuator device (5) for activating a microswitch (6) which can be moved between two positions: a first open position in which the actuator device is kept away from the microswitch (6), and a second closing position in which the actuator device is in contact with the microswitch (6). The actuator device for activating the microswitch (6) comprises a rocking actuator (5) which incorporates within itself at least one pair of elastic tongues (7) whose reaction brings about return of the rocking actuator (5).

Abstract: An input device includes a casing having a retention groove, a flexible membrane disposed on the casing and having a plurality of keys, a connecting portion an outer flange extending outwardly from an outer surface of the connecting portion, an upper recess formed on an inner surface of the connecting portion, and a lower recess formed on the inner surface below the upper recess, and a fixing ring for disposing below the flexible membrane so as to be received in one of the upper and lower recesses. Disposing the fixing ring below the flexible membrane in the lower recess after insertion of the outer flange of the flexible membrane into the retention groove results in fixing of the outer flange of the flexible membrane within the retention groove.

Abstract: Button holes 3 are formed in a front panel 2. Buttons 4 are arranged in the button holes 3, and a rib 7 convexly provided on the back surface of the front panel 2 surrounds the button holes 3. A light transmitting rubber sheet 11 closes a space 30 surrounded by the rib 7 and is held between a circuit board 15 and the rib 7. Contact portions 12 are provided on the rubber sheet 11 so as to be brought into contact with and separated from the circuit board 15 by the elastic force of the rubber sheet 11. Light emitting elements 17 are mounted on the circuit board 15 so as to correspond to the buttons 4, and are accommodated in accommodation concave portions 18 in the rubber sheet 11.

Abstract: The present invention refers to a starting switch having a protection against dust and small particles for rotating electric machines and to a method of assembling said switch. The switch according to the present invention provides an easy-to-assembly system for the several components that are part of the switch that does not require massive investments when compared to similar systems known to the state of the art while still providing an easy assembly due to the features of each component in the switch.

Abstract: A transient suppression device for limiting to desirable levels current and energy entering a fuel tank of an aircraft over interface wiring that penetrates a wall of the fuel tank comprises: an elongated, hollow, conductive housing capped at one end and open at another end, the housing being disposed external and in proximity to the fuel tank, and supported physically from a structure of the aircraft; a transient suppression circuit disposed within the housing and connected in series with the interface wiring; and a shield braid of conductive material disposed over the open end of the housing and covering the interface wiring over the distance between the housing and tank wall, the shield braid electrically coupling the housing to the tank wall. A method of packaging the transient suppression device is also disclosed.

Abstract: An electrical switch mat which generally includes a first layer of flexible matting material, a second layer of flexible matting material, and a perimeter ribbon switch disposed between the first layer and the second layer. The ribbon switch has a longitudinal edge and is operable under pressure between a closed condition and an open condition and maintained in one of the open and closed conditions in the absence of pressure. The first and second layers have a peripheral edge which is aligned with the longitudinal edge of the ribbon switch in a coplanar relationship to form a peripheral edge of the electrical switch mat.

Abstract: A door switch assembly for a washing machine and a dryer having improved reliability is disclosed. The door switch assembly includes a plunger movably provided in a cabinet of the dryer and pushed by a door to operate an electrical switch, an elastic member provided in the dryer, elastically supporting the plunger, and a sealing mechanism configured to prevent water from entering a clearance between the plunger and the cabinet.

Abstract: A switching device includes a switch, a case within which the switch is accommodated, a cylindrical hollow section which is disposed on the upper surface of the case and has upper and lower openings to communicate with the inside of the case, an operation knob provided to cover the upper opening of the cylindrical section such that the operation knob can swing, and an operation bar penetrating through the lower opening of the cylindrical section and extending to the inside of the case so as to transmit the motion of the operation knob to the switch. A projection for preventing water from entering into the case is provided on the outside surface of the cylindrical section opposed to the inside surface of the operation knob.

Abstract: A switch includes an actuating member, a cap, and a soft elastic sleeve-shaped member for preventing entrance of water and dust; the actuating member has a base portion, and a second wall projecting upwards from the base portion; the cap has a pressing portion, a first wall projecting downwards from the pressing portion, and a loop-shaped recess abutting the pressing portion on an outer side of the first wall; the cap is joined to the actuating member with the first wall being encompassed by the second wall; the soft elastic member has a pressed portion projecting inwards from an upper end, and a protrusion extending downwards from an inner edge of the pressed portion; the soft elastic member is fixed with the downward protrusion being fitted in the loop-shaped recess, and the pressed portion being tightly pressed between the pressing portion of the cap and the second wall.

Abstract: A key top comprising a key stem provided at a lower portion of the key top to be inserted into a rubber cup unit; and a first spring provided at a lower end of the key stem, and comprising a plate spring, wherein the key top is pushed down by finger pressure to turn on a contact point, thus executing key-in operation.

Abstract: In an embodiment, a keyboard includes a barrier layer. The barrier layer may be mounted between an upper and lower housing portion of the keyboard so as to provide a substantially water impermeable pocket about a keyboard circuit. The barrier layer includes at least one key aperture that allows the barrier layer to attach to a key, the attachment providing a substantially water impermeable seal between the barrier layer and the key. Thus, the barrier layer acts to prevent liquids that are spilled on the keys from contacting and damage an electrical keyboard circuit provided below the barrier layer. In an embodiment the keyboard may be rinsed under running water without damaging the keyboard circuit.

Abstract: A cordless telephone handset. The cordless telephone handset has telephone circuitry with a front side. The front side of the telephone circuitry has a top end and a bottom end. A housing is provided having a top shell and a bottom shell where the top shell and the bottom shell are disconnectable. The housing is adapted to substantially enclose the telephone circuitry when the top shell and the bottom shell are mated in a direction from the top end to the bottom end of the telephone circuitry.

Abstract: The index finger of the right hand of the user is applied to a front surface of a fixed knob, the thumb of the right hand is applied to a rear surface of a movable knob, and the movable knob is slid by the thumb forwardly toward the fixed knob. When the movable knob is slid, a locking member moves forwardly in unison with the movable knob away from engaging surfaces of walls, whereupon opposite ends of the locking member disengage from the engaging surfaces of the walls. A buckle is now swingable out of a cavity about a pivot shaft. Then, the user grips the fixed knob and the movable knob and lifts the free end of the buckle to erect the buckle, and thereafter opens a front case member and a rear case member away from each other.

Abstract: A keyboard assembly having a housing with one or more openings in which keys are located. A circuit board is located inside the housing and adjacent to the keys such that striking the keys causes switches of the circuit board to be switched. A liquid resistant barrier is located between the keys and the circuit board, protecting the circuit board and/or other electronic components from being contacted by liquids spilled on the keyboard.

Abstract: A switch assembly held in a support member by a bushing mounted to the support member by a clip carried in an outer groove formed on the bushing. A compressible seal ring is carried in another outer groove formed on the bushing so that the seal ring acts on another surface of the support member to form a seal.

Abstract: A waterproof keyboard includes a generally flat key panel supporting keytops thereon. Membranes support thereon key contacts and connecting circuits for the contacts, and are supported by a generally flat support base, corresponding in shape to the key panel. Between the membranes and the key panel, a waterproof layer is supported by the support base for sealing the membranes in cooperation with the base. The waterproof layer, made of a sheet of flexible synthetic resin, is pressed with an elongate elastic member against the edge portion of the support base. The key panel is fixed to the support base to cause the waterproof layer and support base to seal the membranes, which will surely be protected from dust and moisture.

Abstract: A water resistant actuating mechanism for a plunger type limit switch using a bowed spring to activate the plunger of a plunger type switch mounted within an actuating mechanism housing includes a flexible seal for covering the hole or opening in through which the bowed spring extends. The seal may be dome shaped and cover a circular opening. A glide or shoe is positioned on or connected to each end of the spring and are held in place between an upper wall of the housing and a backing sheet connected to the housing. The glide reduces the amount of deflection of the bowed spring required to activate the plunger type switch such that the additional thickness added by the flexible seal does not increase the overall required thickness of the actuating mechanism.

Abstract: A waterproof keyboard is provided, which has keys, scissor frames, elastic layer bodies, a membrane circuit board, a support plate and a bottom plate, wherein the bottom board is disposed with a plurality of stamped nodes, which are corresponded by apertures disposed on the support plate. The means of riveting is used for riveting the bottom plate and the support plate, such that no apertures can be found on the bottom plate, so as to prevent liquids poured on the keyboard by accident from infiltrating down to the motherboard underneath the bottom plate, thus assuring that the motherboard is not damaged thereby. As a result, the computer can be kept operable. Also the membrane circuit board is mounted on top of the support plate, thus rendering the overall structural assembly easier and such overall structure more stable.

Abstract: A waterproof button knob includes an elastic button seat with a housing trough mating with a button port of a case. The button seat isolates the interior and the exterior of the case to achieve waterproofing. The housing trough has a plurality of apertures on the bottom. The housing trough holds a button cap that has a plurality of button stems extended downwards to pass through the apertures and form a tight coupling. The button stems may be moved to hit switches located in the case.

Abstract: A watertight key unit includes a key and an elastic sealing part. The key is mounted on a key-mounting wall, extends through a key-inserting hole in the key-mounting wall, and has a peripheral wall. The sealing part extends from a lower end of the peripheral wall of the key, has a peripheral wall that surrounds the peripheral wall of the key, and cooperates with the peripheral wall of the key to define a spacing groove therebetween. The peripheral wall of the sealing part is surrounded by and abuts elastically and sealingly against a hole-defining wall of the key-inserting hole.

Abstract: An electric device comprises a housing (1) with at least two housing parts (2, 3) and a seam (4) between the first two housing parts (2, 3) and an electric circuit (5, 6, 8) inside the housing (1). The housing (1) also comprises at least one molded, third housing part (10) sealing the seam (4). The third housing part (10) covers at least a surface portion (11, 12) of at least one of the first two housing parts (2, 3), adjacent the seam (4), thus compensating manufacturing tolerances between surfaces on opposite sides of the seam (4). A method of manufacturing a particular embodiment of the proposed device is also described.

Abstract: A hand-held electronic device with a keyboard optimized for use with the thumbs is provided. The handheld device includes a keyboard, a display, and a processor. The keyboard is horizontally positioned symmetrically between a left edge and a right edge of a face of the hand-held messaging device. The keyboard has a plurality of keys arranged in a plurality of rows across the face, wherein each row of keys is arranged in a concave pattern. The display is vertically positioned between the keyboard and a top edge of the face and is horizontally positioned symmetrically between the left edge and the right edge of the face. The processor is coupled to the keyboard and the display, and controls the operation of the hand-held messaging device.

Abstract: A switch is used to detect opening/closing of a car door or the like in a vehicle, and the switch can be provided with a nice operation feeling and stable performance. Thin corrugated sections are provided on a cover that covers a switching-element, connection points of lead wires and lower portions of a housing of the switch. The switch performs a nice operation feeling with quick response, as upon pushing the cap, the corrugated sections of the cover expand outward to prevent air in the switch from being compressed.

Abstract: Disclosed herein is a fluid level float switch and protective boot therefore. The boot is adapted to engage a detent portion of the float switch in a secure watertight fashion. The boot is adapted to flexibly accommodate movement of the float within the boot in response to changes in the liquid level in the reservoir in one embodiment or to engage contacts in another. The boot has a wall engaging portion for providing watertight engagement with an interior wall of the reservoir. The boot has an accordion shaped stem portion to facilitate insertion of the float switch into the boot and to flexibly accommodate movement of the float within the boot in one embodiment, or a rigid portion attached to the flexible portion in another embodiment.

Abstract: One or more LIMMS devices on a substrate, possibly having same-surface signal conductors, are hermetically sealed by either: (a) Enclosing each entire LIMMS device beneath a common or respective outer cover that is separate from the LIMMS device(s) and impervious to contaminants; or (b) Fabricating each LIMMS device such that its individual cover block (which is already a component of the LIMMS and is not a separate outer cover) can be hermetically sealed against the substrate. Each case must limit the effects of the hermetic seal upon impedances. In case (a) the substrate is covered with a layer of dielectric material matching the ribbon-like footprint of the perimeter of the separate outer cover. In case (b), the entire (solid) footprint of the LIMMS cover block on the substrate receives a layer of dielectric material, which may itself then be covered, save for near its perimeter, with suitable adhesive. In case (a) the outer cover may be soldered to the perimeter footprint.

Abstract: One or more LIMMS devices on a substrate, possibly having same-surface signal conductors, are hermetically sealed by either: (a) Enclosing each entire LIMMS device beneath a common or respective outer cover that is separate from the LIMMS device(s) and impervious to contaminants; or (b) Fabricating each LIMMS device such that its individual cover block (which is already a component of the LIMMS and is not a separate outer cover) can be hermetically sealed against the substrate. Each case must limit the effects of the hermetic seal upon impedances. In case (a) the substrate is covered with a layer of dielectric material matching the ribbon-like footprint of the perimeter of the separate outer cover. In case (b), the entire (solid) footprint of the LIMMS cover block on the substrate receives a layer of dielectric material, which may itself then be covered, save for near its perimeter, with suitable adhesive. In case (a) the outer cover may be soldered to the perimeter footprint.

Abstract: A foil sensor mat includes a plurality of active regions which are interconnected by flexible connection lines. The sensor mat further includes two substantially elastic foil layers arranged at a certain distance from one another by a spacer. The spacer has a plurality recesses and each of the active regions are arranged in one of the recesses of the spacer. The foil sensor also includes an additional flexible protective covering of a waterproof material.

Abstract: In a method of producing a plurality of hermetically sealed electronic components, first and second substrates are wafer bonded to enclose a plurality of electronic components therebetween. The first substrate is then cut to expose first seals on the first substrate and second seals on the second substrate. The first and second seals define perimeters around the plurality of electronic components. Solder is dispensed into the cuts in the first substrate, and the solder is then reflowed to join corresponding pairs of first and second seals.

Abstract: A switch (1) comprises a elastomeric body (2) which includes a recess (3) formed therein for receiving a printed circuit board (4). The external periphery of the PCB (4) engages in an internal groove (6) so as to form a closed switch cavity (7) between the PCB an one end of the body, said one end of the body including a resiliently deformable portion (11) which is movable to bring a movable contact (13) into engagement with fixed contact (8,9) carried on the PCB (4) so as to establish an electrical connection therebetween. The body (2) includes an external groove (42) to mount the switch on a panel (40), and a seal is provided in the external groove (42) to prevent the ingress of water and the like to the recess (3) of the body (2).

Abstract: One embodiment in accordance with the present invention includes a “plug-in” button module for a personal digital assistant (PDA). Specifically, the “plug-in” button module includes a button frame module having a membrane layer (e.g., thermo-plastic urethane or thermo-plastic elastomer) molded over it. The plug-in module can be snapped into the PDA over its button array. In this manner, the plug-in button module provides a seal for the buttons of the PDA that restricts dirt, grim, and other foreign particles from getting underneath them. Furthermore, since the plug-in button module is modular, it can be manufactured separately from the rest of the PDA in a wide variety of ways. For example, the membrane layer of the plug-in button module can be fabricated with different shapes, colors, hardnesses, decorations, textures, and opacities. In this manner, a user is able to personalize their PDA by snapping in a particular plug-in button module.

Abstract: A switch device includes (a) a switch arranged on a bottom of a recess, and (b) a waterproof sheet adhered at its outer edge to a wall defining the recess, at a certain height to entirely cover the recess therewith. The waterproof sheet has a first area greater than a cross-sectional area of the recess when the waterproof sheet is in its original planar form. A difference between the first area of the waterproof sheet and the cross-sectional area of the recess allows the switch to be actuated through the waterproof sheet, and disallows moisture to enter the recess through the waterproof sheet. The waterproof sheet is composed of transparent or semi-transparent resin, for instance. The waterproof sheet may be adhered at its outer edge to a summit or a bottom of the wall.

Abstract: A keyboard input device includes an elastic spring member bonded to a overcoat provided on a film substrate by an adhesive so that a movable contact part provided in the elastic spring member is disposed over a pair of fixed contact parts provided on the film substrate. An air-passage hole is provided on the ceiling of the elastic spring member including the movable contact part, the air-passage hole being disposed in the vertical moving direction of the movable contact part. Grooves are provided in a key-top at a portion thereof to be in contact with the top of the elastic spring member, the air-passage grooves being formed in a direction perpendicular to the axis of the air-passage hole to communicate with the air-passage hole. The air in the hollow elastic spring member is discharged, when the key-top is pressed to deform the elastic spring member, to the outside of the elastic spring member through the air-passage hole and the air-passage grooves.

Abstract: A keyboard with liquid-draining function, at least including: keys, elastic body layer, circuit board layer, bottom board and sealing layer; wherein the bottom board is installed with at least a liquid-draining hole, with the dividing mechanism being installed between the circuit board layer and the bottom board to form a liquid-draining space. The liquid-draining space and the liquid-draining hole are connected for the purpose of draining liquid that is accidentally poured into the keyboard, so that liquid flowing down through the keys can be drained away swiftly via the liquid-draining space and drained out of the keyboard through the liquid-draining hole, thus preventing liquid from accumulating in the keyboard, and maintaining the normal operation of the keyboard.

Abstract: A draining structure for keyboard an upper cover having a top surface forming a number of recessed areas for accommodation of movable pushbuttons. A lower cover is releasable attached to a bottom side of the upper cover. Each recessed area has at least one draining hole, preferably in the form of an elongated slot defined in a sidewall of the recessed area. The lower cover forms a groove corresponding in position to the draining holes of the upper cover for receiving liquid from the recessed areas of the upper cover via the draining holes. A number of openings or elongated slots is defined in the bottom of the groove for expelling the liquid out of the casing. A partition wall is formed in the lower cover for separating the groove from an electric part receiving space in which electric parts are arranged for preventing electric short caused by the liquid contacting the electric parts.

Abstract: A proximity detection switch, including a housing with a switching block controlled by a sensor component contained therein and housing connection elements for external connection via a cable, the body and a removable cover each having a flange part for cooperatively forming a flange that defines a sealed aperture for a cable to pass therethrough. The device further includes a detachable cable-entry coupling for sliding engagement with the body along a direction approximately perpendicular to the plane of the bottom wall of the body.

Abstract: The unit (1) comprises two half-shells (11, 12) and a membrane (2) acting as a seal. The membrane comprises various zones of shapes and of properties suitable for providing additional functions such as a lightguide (21), a contact lug (23) and battery retainer lug (4), or else an escape path for static electricity discharges (25).

Abstract: A membrane switch incorporated in a control panel of a domestic washing appliance is vented through a labyrinth venting arrangement composed of a long, small diameter, twisting passage, including concentric arcuate sections and an intermediate portion. The venting arrangement establishes an effective barrier to fluids and other moisture, while accommodating the free passage of gases. In the most preferred form, the labyrinth venting arrangement is formed by cutting a channel into a supporting plastic assembly and then adhesive bonding a control plate incorporating the membrane switch over the labyrinth feature to complete the passage. One end of the passage is open to atmosphere by way of a slot in the supporting plastic assembly, while the other end joins the venting path with the membrane switch.

Abstract: A notebook computer has a main body with a keyboard assembly that includes a base plate mounting a plurality of key buttons and a draining system for draining liquid permeated between the key buttons. The main body further includes a deck plate coupled to a lower plate that forms the main body. The deck plate includes a support portion for the keyboard assembly and a second draining system coupled to a first draining system that drains the keyboard assembly. The lower plate includes a third draining system coupled to the second draining system that includes an access button for securing a storage space in the main body. The access button and the storage space are accessible through a bottom surface of the lower plate. The access button is preferably mechanical. The portable computer reduces or prevents the liquid impinging the keyboard assembly from being introduced into the main body and reduces damage to a main circuit board or the like in the main body.

Abstract: A switch box for a vehicle door lock device comprises a slide pin which has one end abutting against a side surface of a latch that engages with and is fixed to the striker and slides in response to a pivot motion of the latch, a slider which is connected and fixed to the other end of the slide pin and on which an elastic slide contact is disposed, a pair of terminals which are short-circuited to be connected to each other by the slide contact depending on a slide position of the slider, and a switch box cover substantially covering them in the lock body case, and the switch box cover has a through hole for ventilation at that position thereof which corresponds to a lower side of one side surface thereof when the switch box cover is attached to the vehicle door.

Abstract: Methods of controlling fluid flow (e.g., flow of liquids, water vapor and gases) through switch members, e.g., switch buttons, which are used to seal an interior cavity of a surgical handpiece are provided. The switch members provide improved sealing properties which prevent gas and water vapor transmission across the switch member and into and out of the sealed internal switch chamber. The switch members are also resistant to puncture due to striking by tools or cleaning instruments, or the like.

Abstract: The invention provides a waterproof switch which can electrically open and close an door of a vehicle body by a switch, can achieve a seal between a waterproof switch and a panel and a seal against an inner portion of the waterproof switch by one seal member, and previously make a seal member hold in a side of the waterproof switch at a time of assembling.

Abstract: A device to cover one or more switch elements (7) that can be activated by pressure and/or contact to prevent it from becoming dirty and moisture from penetrating inside, etc. has a cover (1) of at least one housing part (3) and at least one cover area (5). The cover is available by means of ZK or multicomponent injection-molding technology. The housing part (3) is preferably made of a dimensionally stable, thermoplastic or partly crosslinked duroplastic polymer, while the cover area or areas is (are) made of a flexible or elastic polymer.