Abstract: A monitor control panel mounting structure which includes a control panel pivoted to the housing of a monitor and turned about an axis, a mount fixedly connected to the control panel at the bask side to hold a set of control buttons, wherein the monitor housing has a plurality of tracks extending outwards; the control buttons have a respective lever respectively moved in the tracks, the levers of the control buttons being respectively moved to respective switches on the main board of the monitor for permitting the switches of the main board to be operated through the control buttons when the control panel is turned outwards to move the mount out of the monitor housing, the levers of the control buttons being moved away from the switches of the main board when the control panel is turned inwards to move the mount to the inside of the monitor housing.

Abstract: An electric appliance includes a case, an accommodation portion for accommodating a liquid crystal indicator, and upper and lower protrusions respectively arranged above and below an opening provided on stepped portion not arranged on the front face portion of the accommodation portion. The liquid crystal indicator engages with the upper protrusion and mounts on the lower protrusion such that the liquid crystal indicator is positioned adjacent to the stepped portion and is visible through the opening.

Abstract: A bracket for a cabinet, such as the type used for television sets or other electronic devices, wherein the cabinet includes a first flange having a predetermined flange thickness. The bracket includes a housing having top and bottom ribs and a mounting flange having an aperture. The top and bottom ribs are spaced apart from the mounting flange by a predetermined distance which is less than the flange thickness. As such, upon insertion of the first flange between the top and bottom ribs and the mounting flange, a press fit is formed. This removably secures the top and bottom ribs and the mounting flange to the first flange without the use of fasteners. In addition, the housing includes at least one clip element for removably securing a printed circuit board having a switch which is accessible through the aperture.

Abstract: A method of producing a molded assembly for at least partially encapsulating a touch panel structure. The method includes providing a touch panel structure which has a front side, a reverse side and an edge extending therebetween. A circuit is attached to the panel structure and includes at least one device. The panel is positioned in a cavity of a plastic injection mold which includes a hollow shutoff positioned relative to the device on the touch panel. When the mold is closed, a rim portion of the hollow shutoff is positioned against the reverse side of the panel spaced away from the device so as to at least partially shield the portion of the panel containing the device from the injection molding environment. The present invention also envisions a product produced by this method.

Abstract: A switch is specifically shaped to be retained in position within an apparatus, such as a household appliance, by inserting edges of an opening formed in the sheet material of the apparatus into first and second slots shaped into the housing of the switch. The first and second slots can be formed in opposite edge surfaces of the switch housing structure, either within the flat edges or at the corners of the housing structure. When attached to an appliance, no screws or other fasteners are necessary to rigidly attach the switch to the apparatus. The switch can be pushed into a slot formed in an edge of one panel of the apparatus and then captivated by an opening in another panel of the apparatus. Alternatively, the switch can be inserted into a larger portion of a single opening and then moved into a narrower portion of that opening. Another device can then be inserted into the larger portion of the opening to prevent inadvertent removal of the switch from its attached position within the opening.

Abstract: A switch particularly adapted for mounting to a panel. The switch includes a housing, a hollow post projecting from the housing and extending through an opening in the panel, and a nut adapted to be pushed onto the post and into engagement with the panel. The post receives a switch actuator and is formed with axially spaced frustums while the pushnut is formed with inwardly projecting tabs adapted to interlock with at least one of the frustums in order to secure the switch to the panel.

Abstract: An adjustable housing or chassis for electronic devices specifically intended for mounting in panels of unknown and variable thickness, for example, in the panels of aircraft. The chassis includes base and cover members that telescopingly mate to form a complete enclosure for electronic printed circuits therein. The chassis members include plural flanges and/or sidewalls to create a self-interlocking chassis in which the cover is restrained from lateral and vertical movement on the base. The cover is axially adjustable on the base to thereby expose more or less of the electronic controls as dictated by the thickness of aircraft panel.

Abstract: A generally rectangular plastic switch housing has locating tabs that position a U-shaped hardened steel grounding strap on the housing so that the strap and housing can be conveniently mounted from the front of a panel in a panel opening that includes relieved and upset portions designed to make electrical contact with serrated segments of the U-shaped strap's legs. The base of the U-shaped strap has an opening with upset edges designed to make electrical contact with the center terminal in the bottom wall of the switch housing.

Abstract: There is provided a plunger switch capable of achieving a self-adjusting mechanism in a simple structure without loss of reliability by mounting a self-adjusting mechanism using a ratchet outside a housing space for movable and fixed contacts. The plunger switch has a switch body divided into blocks, and an attachment member which has a wire spring to be engaged with a ratchet formed on an outer wall of the switch body in order to pierce a plunger therethrough. The switch body is mounted in a predetermined mount position through the attachment member.

Abstract: A switch knob has a mobile first part adapted to switch from one connection to another by rotation and a second part fixed to a support of the device on which the knob is mounted by an assembly device and a clamping device. The assembly device comprises two prism-shape members linked by a ring in two parts each including a hinge and is disposed between the second part and the support in a housing of the support provided for this purpose. The top of the prism-shape members faces towards the interior of the housing and their bases outside the housing so that clamping of the clamping device, by applying a force to the bases of the prism-shape members, moves the members towards each other and locks the second part to the support. Movement of the prism-shape members towards each other is facilitated by the hinges of the ring.

Abstract: An electricity supply assembly comprises a circuit breaker comprising a housing (2) having generally flat, parallel side faces provided on the underside with a mounting recess (4), for mounting on a mounting rail of the conventional "top hat" section, comprising a base (7), spaced parallel flanges (8) extending from the base, and parallel outwardly extending flanges (9) which together provide a support surface which may be engaged by an underside of the recess (4). Extending from the underside of the circuit breaker at right angles to the plane of the base is a contact member (22). A supply assembly (28) comprises an elongate housing (30) within which an elongate bus-bar (32) is located, the bus-bar being provided with spaced intervals with spring clips (34). The housing (30) comprises a cover (36), provided at spaced intervals, corresponding to the spacing between the spring clips (34), with apertures (38).

Abstract: A substrate 70 carrying a button plate 54 having an actuating button, and a switch element 72, is arranged at the back side of a front panel of an outer housing 1, and is supported by a bracket 74 screwed to the outer housing 1. The actuating button 52 and the switch element 72 may be positioned easily, while the LED 64 or the remote controlling light receiving section 68 may also be positioned simultaneously. The button plate 54 is not distorted in contradistinction from the case in which the button plate 54 is screwed directly.

Abstract: Mounting support for electric switches and associated legend plates. The mounting support includes a housing for an electrical switch and a housing cover affixed to the housing, with threaded bolts for affixing the housing and housing cover to the indicator board, wherein the housing cover includes a lateral projecting arm extending laterally on one side of the housing, this projecting arm being adapted to adjoin a rear-face of the indicator board, with a legend plate being laterally carried by the projecting arm and being adapted to be positioned within an opening in the indicator board, with a threaded nut retaining the legend plate relative to the projecting arm.

Abstract: A construction of a panel includes at least one opening defined therein, a first and a second box are respectively disposed beside the opening of the panel, each of the first and second boxes has a hole defined therein and an extending live line and an extending ground line respectively extend from the first box and the second box and extend along sides defining the opening, one end of the extending live/ground line is in communication with the corresponding holes of the first and the second boxes. The extending live and extending ground lines are respectively and electrically connected to an electrical element disposed in the panel, which has two conductive plates extending therefrom, each of the conductive plates has an L-shaped plate extending transversely therefrom so as to receive the extending live/ground lines between the L-shaped plate and the conductive plate.

Abstract: A bracket assembly has rearwardly projecting metal wings mounted in a plastic cover plate. The circuit breaker is normally rear mounted in a panel. The cover plate is secured to the breaker with fasteners that secure the metal wings to the breaker housing. The metal wings have legs slidably received in the plastic cover plate providing a convenient subassembly for mounting the breaker from the front of a panel.

Abstract: The present invention provides a terminal and base for connecting a circuit through a fusible switch. The base has a plurality of undercut prongs upstanding therefrom and an interlock snap resiliently attached thereto. The prongs are positioned on the base to prevent movement vertically and in at least one direction horizontally. The snap is positioned on the base to prevent movement in the remaining horizontal directions. The terminal includes a generally planar body made of conductive material. The body has a plurality of edges adapted to insert into the undercut prongs. The terminal positions an opposing edge on the body opposite the plurality of edges. The opposing edge is adapted to abut one end of the interlock snap. The terminal includes a first and second means for electrically and mechanically connecting the terminal to the circuit.

Abstract: A latch for connecting a switch operator, such as a push button, to contact blocks in an industrial switch employs opposed spring loaded teeth to engage detent surfaces on the operator. The teeth are attached to jaws generally along a line parallel to the line between the opposed teeth but to one side of a sleeve receiving the operator. The jaws and teeth are connected so that separation of the jaws separate the teeth allowing disengagement of the operator. The space between the jaws is accessible along an axis extending toward the back of the switch so as to permit release of the operator by means of a tool such as a screwdriver without clearance about the switch. The teeth may be wedge shaped to permit the operator to snap in place, only, without the use of the tool.

Abstract: A shock resistant switch mounting includes a hollow bushing which extends through a switch housing of an electric fan, for example. A switch having a pull cord is secured to the bushing within the housing. The the pull cord extends through the bushing to be accessible outside of the housing so that the fan may be operated.

Abstract: The present invention pertains to a universal control console for use on domestic washing machines or dryers. The control console of the present invention extends between a pair of mounting end caps, and provides a plurality of mounting means to facilitate the mounting and attachment of controls thereto. The apertures include a central aperture having upwardly and downwardly extending rectangular apertures and a generally circular main opening. The main opening includes a pair of opposed radial notches. Below the downwardly extending rectangular aperture is a generally T-shaped aperture. Several generally tab-receiving apertures are laterally-spaced from the central aperture. The openings in the control console cooperate to mount a variety of control devices, allowing interchangeability among controls which is desirable for different appliance models.

Abstract: A panel mount switch assembly for mounting a push-button actuator switch on an opening in a panel. The switch assembly including a switch base holder connected to the switch base, a pair of legs connected to the base holder and positioned to protrude through the actuator opening along opposite sides of the switch actuator, and a switch plunger that engages the actuator. The legs are inserted into the opening and a lip formed on a distal end of each leg extends over the panel to prevent the legs from disengaging from the opening when a downward force is applied to the switch actuator. Once the legs are engaged with the opening, the switch plunger is attached to the switch actuator by inserting the actuator in a channel formed in the plunger and thereby frictionally engage the actuator with the plunger.

Abstract: A sealed rocker switch includes a button having a lever. A coil spring coaxial with the lever and enclosing a portion of the lever forces a plunger against an actuator that rocks to place a spring blade in contact with blade contacts to operate the switch. The blade contacts are snapped into the case of the switch to maintain the blade contacts in a desired position, and are potted with a potting compound to make a seal. The actuator may be shaped in one of several ways to provide maintained contact, momentary contact, or a combination of these. A groove in the lever supports an O-ring against the case to seal the switch at the button end.

Abstract: Apparatus for positioning magnetic switches in alignment on a base member has a contact edge (C) at one end and a threaded post (D) adjacent the other end. Wedging the contact edge (C) into engagement with a lower surface of an elongated groove (A) is accomplished by tilting the switch upwardly at the other end by means of threadably manipulating the post so as to extend downwardly engaging the stop members (E) with the inward projections (B).

Abstract: In a preferred embodiment, there is provided a compact rotatable electrical device for attachment to a mounting panel of an electrical apparatus. The mounting panel has inner and outer surfaces and defines an interior space of the apparatus, with the inner surface adjacent the interior space. The device includes: a control body having a control shaft extending upwardly from the distal end thereof, the proximal end of the control shaft being connected to operative elements within the control body; and apparatus for attachment of the proximal end of the control body to the mounting panel through an opening defined therethrough such that the control body, when so attached, will be disposed substantially outside the interior space.

Abstract: A electric switch is formed in the shape of a container having a front plate adapted for lockingly engaging an opening in an appliance control panel when the switch is rotatingly inserted within the opening in a clockwise direction. The front plate is shaped to allow orientation of the switch in a predetermined position. To unlock the switch from the panel for replacement or repair, the switch must be rotated in the counter-clockwise direction. A spring-loaded cam attached to the front plate engages a separate opening in the panel to prevent inadvertent removal of the switch during operation.

Abstract: A control shaft is rotatable in the axial opening in a cylindrical boss projecting forwardly from a front wall of a resinous plastic housing. The boss is received in a cylindrical opening in a panel formed with two slots for receiving mounting members projecting forwardly from the housing and having latching hooks for securing the housing on the panel. The boss and the mounting members form a triangle. The spacing between the boss and the plane of the mounting members is different from the spacing between the cylindrical opening and the plane of the slots whereby an interference fit is produced between the mounting members and the slots to obviate looseness. An anti-rotation pin on the housing is received in another opening in the panel. A key pin on the housing is received in a key opening in the panel. The key pin and the boss are located along a radial line oriented at an acute angle to the plane of the mounting members.

Abstract: A proximity switch mounting plate is rotatable about a center point and releasably-clamped to a mounting surface of a device. The cylindrical proximity switch is attached to the mounting plate at a location spaced outwardly from the center point, and the detection end of the switch extends to a moving member within the device. Rotation of the mounting plate around its center point adjusts the radial position of the detection end of the switch.

Abstract: A yoke for flush mounting a modular housing within an opening in a planar surface is disclosed. The yoke includes a flat plate having an aperture therethrough, a pair of hooks for securing a housing to the plate, a pair of gripper arms for securing the plate over the opening in the planar surface and locating tabs extending rearwardly from the plate to locate the housing in alignment with the opening in the flat plate. The hooks and locating tabs allow both lateral and axial insertion of the housing into the yoke.

Abstract: A mechanical locking on a plug connection between an electrical switch forming one part and a connecting plug forming another part, comprises a pin-shaped extension provided on one of the parts, a matching depression on another of the parts in which the extension engages, the depression having a side wall extending parallel to a longitudinal axis of the plug connection and provided with an inwardly extending blocking lug, a blocking spring having a pin-shaped extension engageable with the blocking lug and having a blocking extension extending outwardly toward the blocking lug and an inwardly directed blocking extension engageable in a recess which can be brought in alignment with a depression of the pin-shaped extension.

Abstract: A reconfigurable beverage brewing apparatus having an independently configurable funnel support device and control device for orienting the apparatus in more than two operational configurations. The apparatus includes an overhanging hood and a funnel supported under the hood for retaining brewing substance. A discharge tube is retained in the hood proximate to the funnel and extends through the hood portion for delivering heated water to the brewing substance retained therein. The funnel support device includes a base with two channel members attached thereto and anchoring devices. Open ends of each of the channel members are positioned opposite each other and spaced apart a distance for receiving and retaining the funnel. The discharge tube projects through a passage formed through the base. The anchoring devices attach the base to an underside of the hood and prohibit rotation of the base portion.

Abstract: A vandal resistant push button assembly has a guide ring attached to a mounting plate spaced from a face plate such as an indicating and announcing device or a modular wall assembly of an elevator car. The guide ring has a first shoulder which cooperates with a snap ring engaging a first annular groove formed in the guide ring for retaining the ring in an opening formed in the mounting plate. There is play between the periphery of the opening in the mounting plate and the outer diameter of the guide ring such that the guide ring can be aligned with respect to an opening in the face plate and the snap will cover the gap defined by the play. A push button slidably extends through the guide rings on first and second guide surfaces to actuate a switch and a second shoulder formed on the push button engages a stop surface on the guide ring to prevent further travel in the actuation direction.

Abstract: A control instrument has a body which is provided at the bottom surface thereof with a plurality of terminals. The terminals are folded upwardly along the side surfaces thereof and the body is inserted in the through-hole preformed in a printed wiring board to resiliently engage the body with the through-hole due to resiliency of the terminals. The leading end of the terminal is folded outwardly. The body is longitudinally formed at the side surfaces thereof with recesses for guiding the terminals therein. The body is longitudinally formed at the side surfaces thereof with recesses for guiding the terminals therein. Jaws projecting from the sides of the body are provided at the sides where the terminal are not provided.

Abstract: A device for orienting one or more electric switches has one or more plate-like members which can be interlinked at the rear side of a mounting plate in a distributor board. Each member has an opening which can non-rotatably receive the housing of a switch, a recess at one side of the opening and a complementary tongue-like projection at the other side of the opening. The projection of each member can be fully or partially received in the recess of the adjacent member; this renders it possible to alter the mutual spacing of neighboring switches.

Abstract: A snap-action fastening device comprises an operative unit to be fastened to a switchboard and a flange unit having seats receiving fins of a member containing control and signalling units and adapted to be snapped on and fastened to an elongated stem of the operative unit. The flange unit has a rotatable lever having a central bore provided on a surface thereof with inwardly protruding teeth engageable in elongated slots formed in an end portion of the stem and retained in recesses extending transversely of the slots.

Abstract: The invention disclosed here is a dashboard accessory item in the form of an add-on housing that enables the repositioning of certain instrument panels closer to the driver, thereby making the instruments on such panels more accessible. In use, the instrument panels are first detached from a stock dashboard, and the housing is mounted to the dashboard over the location where the panels were originally located. The add-on housing projects forwardly of the dashboard, and the panels are remounted to its forward or frontal face. Such face angles toward the driver as it extends along the dashboard from the steering wheel toward the right-hand side of the cab. This repositions the panels much closer to the driver than they were when originally mounted to the stock dashboard.

Abstract: A device for securing a manipulated component to the fitting portion of a panel so that the shaft of the component extends through the panel. The component includes a boss, a flange, and an engagement portion and that the fitting portion is provided with a through hole and a securing apparatus. The boss projects to the fitting portion, and covers the shaft at the rear end thereof. The flange is formed at the front end of the shaft. The engagement portion is provided on a surface at the fitting portion and located in a position different from that of the boss. The flange is inserted through the hole so that the attaching position of the axis of the engagement portion is different from the manipulating position of the axis of the shaft.

Abstract: A improved snap-in bracket for supporting an electronic component in an opening in a support panel has, a cylindrical body disposed for friction-fit or ultrasonically welded engagement with the electronic component, holding members hingedly connected on diametrically opposing sides of the cylindrical body, locking tabs operatively associated with the holding members, and resilient fingers medially connected at opposite sides of a cylindrical body and at a predetermined spaced distance from the holding members. When the snap-in bracket is in assembled position, the holding members are disposed to engage the upper face of the support panel about the opening therein to exert a downward force upon the upper face, and the resilient fingers are disposed to engage the lower face of the panel about the opening therein and exert an upward force thereon opposite to the two forces exerted by the holding members for operative coaction therewith to detachably fix and maintain the snap-in bracket in assembled position.

Abstract: A mounting tab plate for a panelboard has been designed, so that two such plates can be used in pairs on each pole for gang-mounting of multipole circuit breakers, the plates being fixed on the panelboard on opposite sides by a screw after insertion of the tab in a corresponding groove of the housing of the circuit breaker.

Abstract: A control button is movable about a pivot and is fixed on a support by means of four elastic strips, two of which are interconnected by a catch which anchors itself in an opening of the support after being introduced into it.

Abstract: A split switch case has a base and a mounting bracket fitted thereto. The top wall of the latter has a lateral rib defining sockets for receiving shoulder portions of the actuator. Plungers in the actuator can bottom out to break free the switch contacts should they fuse together. The rocker has a unique shape and is coupled to the actuator for positive pivotal movement on a lateral axis defined by surfaces in the rocker and in the mounting bracket's top wall rib. In the illuminated switch shown, the lamp circuit has at least one lead provided in a slot defined inside the mounting bracket. The lamp can be mounted in the mounting bracket either from above or from below, two depending legs will accommodate a conventional LED from either direction.

Abstract: The housing for an electric snap action switch has a front section with a frame having a surface serving to abut the front side of a mounting plate, and a coaxial rear section with a surface facing away from the surface of the frame and serving to abut or to be placed adjacent one side of a circuit board. A nut mates with an externally threaded tubular portion of the front section to maintain the surface of the frame in abutment with the mounting plate. The two sections are separably coupled to each other by resilient male detent elements which are provided on the front section and extend into complementary female detent elements of the rear section. The housing acts as a distancing element between the mounting plate and the circuit board, and its rear section has a recess for a switching unit which is secured to the circuit board and can be actuated by movable parts which are installed in the front section. The rear section is secured to the circuit board by screws.

Abstract: A fingertip push button switch device has an electrical insulated hollow casing (1) having an externally threaded wall to be inserted through and mounted in an aperture in a support panel and secured by a fastening nut (16) engaging the threaded wall, a first upper recess in one end of the hollow casing, a second lower and smaller recess on the opposite end of the hollow casing for receiving in use part of a switch body (11) having a depressable actuating switch (10) protruding therefrom, an intermediate wall (2) on the casing between the recesses, a hollow drive push button (10) in the first recess, a spring (3) between the intermediate wall (2) and the push button (4) resiliently urging the push button outwardly of the first recess, three circumferentially spaced holes (7, 9) through the intermediate wall (2), three elastic legs (6, 8) extending axially from the push button (4) through the holes in the intermediate wall (2), two (6) of the three axial legs being arranged diametrically opposite to each other

Abstract: An electrical command or information device housing of the type adapted to be affixed to an assembly plate through a substantially circular bore hole thereof which selectively includes or excludes a radially inwardly opening keyhole slot or notch includes a rib which projects radially outwardly from the housing and is adapted to be received in the keyhole slot. The rig has high shear resistance in a direction substantially tangential to the housing, but includes at least one notch for effecting relatively low force break off of the rib upon the application of radial or axial forces thereto.

Abstract: An electrical switch includes a rocker-type actuator adapted to be pivoted between first and second positions within a housing in order to close and open switch contacts. The actuator slidably supports a latch which normally engages the housing to prevent the actuator from being pivoted to its switch-closed position. By pulling on the latch and then lifting on the actuator, the actuator may be pivoted to its switch-closed position; the two-step operation protecting against accidental actuation of the switch. The switch housing is mounted with a snap fit in an opening iun a panel. A lug on the housing engages the underside of the panel to prevent the switch from being pulled out of the opening in the event a heavy lifting force is applied to the actuator without first releasing the latch. One switch contact is adapted to pivot and slide on a fulcrum which is laterally offset from the pivot axis of the actuator in order to delay opening of the switch relative to the position of the actuator.

Abstract: A normally-closed pin switch mountable on a vertical wall and adapted to open only when actuated by a movable closure member. The switch includes a metal bracket defined by a generally-rectangular mounting plate having mounting holes adjacent either end thereof and a ledge cantilevered from the upper edge of the plate at its midsection whereby the bracket may be secured to the vertical wall to position the ledge in a horizontal plane. Integral with the ledge and projecting therebelow is a hollow metal cylinder whose upper end registers with a port formed in the ledge and whose lower end acts as the fixed contact of the switch. Slidably received in the cylinder is a plunger rod of insulation material, the lower section of the rod extending through the lower end of the cylinder and terminating in a contact acting as the movable contact of the switch. The rod is spring-biased to normally urge the movable contact into engagement with the fixed contact to close the switch.

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 arrangement for regulating the power output of resistive loads or electrical appliances, especially the cooking plates of electric ranges, which includes actuating elements for the switching on and preselection of power stages or steps for the load devices, relays for the supply of power, and incorporating an electronic control circuit for regulating the conductance of electrical power to the resistive loads.

Abstract: A housing for electrical equipment, for insertion into an installation opening of a switching panel, includes a housing body which can be pushed through the installation opening in an insertion direction and a covering wall connected to the housing body which extends generally transversely to the insertion direction. The covering wall includes a collar which projects outwardly beyond the housing body in a direction which is transverse to the insertion direction, such that the collar limits insertion of the housing body into the opening. A plurality of lugs are connected to the housing body, and each of the lugs has a free end and is resiliently biased toward an initial position relative to the housing body. The housing body has a pair of side walls, and each of the pair of side walls supports an end of at least one corresponding one of the plurality of lugs at an acute angle thereto. Each free end extends to a location which is adjacent to the collar of the covering wall.

Abstract: A miniature switch case has integrally molded mounting wings adjacent the case corners. These wings pivot on axes parallel to but spaced inwardly of the corners, and recesses at the case corners provide clearance for the wings as they are moved during installation of the case into a rectangular panel opening. The miniature case also has two movable contact levers shorter than the internal length of the case cavity to provide space for a lamp, and for a resistor in circuit with the lamp.

Abstract: A push button for a keyboard wherein a detent, provided at the keyboard base on the side opposite to that of a guidance sleeve, is designed centrally to the passage aperture of the guidance sleeve, a lug is molded on the side of the keyboard base carrying the detent, the shaft on the push-button head is slotted and a nose or dog is radially molded on at least one of the resulting resilient shaft, this nose or dog coacting with a stop face formed on the keyboard base, a finger is formed on the push-button head parallel to the shaft and a guidance aperture for engaging the finger is formed in the lug molded on the keyboard base.

Abstract: An apparatus for installing, at the front end of an instrument panel, an aircraft instrument having a rectangular chassis. The installation occurs by advancing a screw through a corner adaptor, into the instrument. The adaptors are attached to the periphery of a rectangular hole in the instrument panel, after the instrument has been inserted therethrough, so as to create an octagonal hole as is typically found in instrument panels. The corner adaptors are made up of a first plate and a second plate having a spacer region which is slightly narrower than the thickness of the instrument panel. When a screw is inserted through the first plate and the second plate, they are held together and adhere to the instrument panel which is inserted therein.