Abstract: A starter switch device controls the application of an electric current from a power source to a starter motor and drives a pinion for transmitting the rotation of said starter motor to engage with a ring gear of an internal combustion engine. The starter switch device includes a shaft provided movably in the axial direction thereof, and open-close operation of electrical contacts for communicating the power source with the starter motor and also the driving of the pinion are carried out via the shaft. Further, there is provided a motor for driving this shaft, and the shaft and the motor are connected through a mechanism for transforming the rotation of the motor into the linear movement of the shaft.

Abstract: A unitized electrical component mounting device and no more than three fasteners quickly secures a capacitor, a starter and a ballast in their preferred positions within a housing. Versatility is provided by providing for detachable appendages of different sizes for securing ballasts of different sizes in place within the housing.

Abstract: A switch mechanism for controlling circuits such as in a microwave oven including a housing with a removable cover and a latch member and plunger member movable between a first position wherein the microwave oven door is closed and a second position, with the primary microwave circuits closed in said first position. Contact arms which all extend in one direction toward the latch member and plunger, a catch for holding the door closed, a slide for operating the primary switch means, and a cam operated by the plunger for operating switch means, all are slidably removable from the housing in a lateral direction. The switch sequence is arranged so that one set of primary contacts open after the other, and the structure is arranged so that if the slide for operating the switch means sticks, the movement of the plunger to the second position will insure that the circuit containing the primary switch means is opened.

Abstract: A molded plastic load center enclosure permits the circuit breakers contained therein to be compactly aligned on one side of the enclosure. The insulative properties of the plastic allows the circuit breaker branch straps to be mounted on the bottom and side walls of the enclosure. The end of the bottom-mounted branch strap is formed for direct connection with the line terminals. The end of the side-mounted branch strap is apertured for convenient connection with the line terminals. Metallic attachment caps are pressed within the bottom of the enclosure to facilitate mounting to a support post.

Abstract: An electronic apparatus comprises a housing having walls of an electrically conductive material and together defining an inner space. The walls of the housing comprise outer walls, and partition walls extending from one of the walls of the housing into the inner space of the housing dividing the inner space into different compartments. The apparatus further comprises an electronic circuit board having electronic components mounted thereon and is provided with apertures through which the partition walls extend. In order to shield the electronic circuits of the individual compartments in relation to each other a first shielding component is provided.

Abstract: A chassis for holding a plurality of printed circuit boards has a number of locations at which the printed circuit boards may be positioned. Each of the locations having opposed slotted tracks for holding opposite edges of the printed circuit board placed at that location. One of the locations holds a power supply for the chassis.A printed circuit board retaining mechanism has a first position in which a tab extends across the slots in one of the tracks for each of the printed circuit board locations and a second position in which the tabs do not extend across the slot. Each of the printed circuit boards has a notch along one edge. When the printed circuit board is fully inserted into one of the locations in the chassis, the tab corresponding to that track engages the notch preventing the removal of the printed circuit board from the chassis.

Abstract: A vacuum switch for interchangeably connecting a plurality of vacuum lines includes a vacuum housing having a plurality of ports to which the vacuum lines are connectable. The vacuum housing has a plurality of channels molded in one surface of a plate and communicating with the ports. Each channel has at least one passage through the plate to the opposite surface. The channels are arranged to provide the desired fluidic logic. A one-piece seal member seals the channels to maintain a vacuum therein. A plurality of valves are slidable upon the surface of the plate opposite the channels. Each valve has a cavity providing fluid communication between passages when the cavity spans a pair of passages. Electrical contacts, movable with the valves, activate a circuit to provide an electrical signal corresponding to the desired mode selected for the vaccuum lines.

Abstract: A printed circuit board module consists of a first printed circuit board with a nonconductive panel connected to the foil side of the board. Extending parallel to and spaced from the first printed circuit board is a frame having a number of standoffs connected to the first printed circuit board and its insulating panel. A frame insert consisting of a nonconductive panel to which a second printed circuit board is fastened is removably positioned within the central opening of the frame. Two opposed inner edges of the frame have two sets of spaced support tabs. The two sets of tabs are parallel to one another and staggered so as to form a channel therebetween. The corresponding edges of the frame insert have a plurality of aligned locking tabs so dimensioned and positioned as to fit between adjacent locking tabs in one set and slide along the channel to retain the insert within the frame.

Abstract: A steering wheel structure having a plate switch on a pad portion thereof, wherein the plate switch comprises a plurality of tape-shaped switches arranged side by side and at least one terminal member having a plurality of terminals protrudingly spaced apart thereon. Either the upper surface or the lower surface of the terminal member is electrically conductive. Ends of the tape-shaped switches are respectively connected with the terminals. The tape-shaped switches respectively have a pair of electrodes spaced vis-a-vis.

Abstract: An improved selective switch includes a printed circuit board, a rotating shaft with a pinion, two bearings journalling the rotating shaft on the printed circuit board, a sliding member slidably mounted on the printed circuit board and a rack meshed with the pinion, thereby, when the rotating shaft is rotated, by the linking-up motion of the rack and the pinion, the sliding member will be driven to slide on the printed circuit board so that the selective control of the selective switch is achieved.

Abstract: An IC module including an integrated circuit chip and external connecting terminals connecting with the leads of the IC chip is accommodated in a cavity of a center sheet. First and second laminated structures, each of which is made of a plurality of sheets, are bonded to one and the other side surfaces of the center sheet. Each one of the first and second laminated structures has the same number of sheets and the same number of adhesive layers. Therefore, contraction and drawing forces produced by a change of environment and applied to the center sheet is counterbalanced, and warpage of the memory card is prevented.

Abstract: Disclosed is a heat sink clip assembly for releaseably attaching a heat sink to a DIP or similar electronic device package. The clip assembly includes a non-conductive attachment clip which extends between the leads on the underside of the DIP and means for latching the attachment clip to a heat sink disposed adjacent the opposite side of the electronic device package with the heat sink in intimate thermal contact with the electronic device package.

Abstract: The distributor of the present invention includes a housing having condenser and points therein and having a rotor adapted to actuate the points for producing intermittent pulses of current at an outlet connector. A dielectric disk is attached to the rotor and is adapted to rotate in unison therewith. A gasket provides a physical barrier between the conductive sheet which is above the gasket and the rotor, condenser and points which are below the gasket. A cap is mounted over the distributor housing and includes a pair of contact points which are adapted to be electrically connected one at a time to the conductive sheet on the disk during rotation of the disk. The two contact points on the cap include leads which lead to the sparkplugs of the engine. A single discharge coil includes a discharge post which is connected to a brush within the distributor cap.

Abstract: A spring steel bayonet type retainer for securing encapsulated semiconductor devices to circuit boards either directly or through an intermediate heat dissipator. The retainer comprises a spring steel body bent approximately centrally and at approximately right angles. At least one portion is slotted to define outboard spring fingers and inboard bayonet type arms which extend through aligned holes in the device and the circuit board. The noncoplanar portions provide clamping forces on the main body of the encapsulated semiconductor device and may be provided with laterally outwardly extending ears to fit closely within the confines of a heat dissipator device to prevent relative rotation therebetween.

Abstract: A molded electronic circuit device including a printed circuit board having an electronic circuit in a synthetic resin, the electronic circuit including heat-radiating electronic elements such as a power transistor and contained within a case holding the printed circuit board. According to the present invention, the synthetic resin material fills the case between the electronic elements so as to conduct heat away from the electronic elements, the synthetic resin material comprising a silicon carbide or a silicon carbide compound mixed as a major constituent in an epoxy resin and having a metal oxide added to the resultant mixture.

Abstract: A switch mounting device with a base having a pair of spaced parallel rails and a receiving member at one end of the rails which extends from the base a distance at least as great as the height of the switch side walls. Each of the rails includes a projecting guide which extends from the base a distance at least as great as the height of the switch side walls. The receiving member and projecting guides each have a lug formed thereon for engaging the upper surface of the switch when it is in place. The base is formed with first and second resilient cantilevered members, the first of which has a free end extending away from a receiving member and terminating in a lug which engages the side wall of the switch opposite the receiving member when the switch is in place. The second cantilevered member has a free end proximate the receiving member which bears against the lower surface of the switch to urge the switch toward the lugs.

Abstract: An electrical apparatus configured for predetermined encoding. The apparatus is comprised of a substrate, a plurality of pairs of electrical terminals affixed to the substrate, a plurality of conductive circuit traces connecting respective pairs of terminals, and a like plurality of removable plugs in the substrate intermediate respective pairs of terminals. The conductive circuit traces respectively traverse respective plugs intermediate respective pairs of terminals so that removal of a plug interrupts the electrical continuity of the conductive circuit trace traversing that plug, thereby creating an electrical open circuit between the respective terminal pair. In such manner, logical "zeroes" (opens) can be created in the respective terminal pairs or, by electing not to remove a given plug a logical "one" (closed electrical circuit) can be programmed between a given electrical terminal pair.

Abstract: A probe actutaed switch comprising a plurality of electrical contact blades and a first and second actuator for engagement with a first and second probe. The actuators are slidably mounted and positioned to engage selected ones of the contact blades. Each actuator defines a rest position and is biased to that rest position by selected contact blades. First and second probe guides are aligned for engagement with the first and second probes. Each guide is adapted to guide a respective probe into engagement with a respective actuator. A latch mechanism is positioned to releasably latch the first actuator in its rest position. As the probes are inserted into the respective probe guides, they are guided into engagement with the actuators. The second actuator is thereupon moved from its rest position to alter the electrical connections of selected ones of the plurality of contacts. The first actuator is held in its rest position until the first probe is fully inserted.

Abstract: This invention relates generally to an electronic circuit breadboard assembly having a particular novel layered construction. In place of a conventional solid chipboard laminated construction, an undulated midstratum layer is utilized in such manner that air cells or pockets are formed within the structure. An overlayer and an underlayer are adhesively applied to the undulated midstratum layer. The invention results in a breadboard assembly which may be much more economically manufactured while yielding superior end product strength and durability. The invention has widespread utility in the electronics assembly field as a superior substitute for the currently used solid laminated chipboard design.

Abstract: A housing in which electrical components may be mounted. The housing is formed from a single integral molded part which includes a living hinge connecting a base portion and a cover portion such that the two portions may be secured to each other to define the housing. A test button extension is likewise secured to the housing via a living hinge such that the test button extension may be rotated to provide a test button assembly which is appropriately positioned such that the test button extends through an opening in the housing and may be manually displaced to engage an electrical component within the housing to perform an appropriate test function.