Abstract: A starter contactor for a motor vehicle comprises a movable contact element of electrically conductive material, the displacements of which are controlled from a rest position to an active position in which it connects electrically the heads of two fixed power contact terminals, at least one of which is connected electrically to an auxiliary fixed contact element with which the movable contact element cooperates so as to connect the movable contact element with the associated fixed power contact terminal in a position intermediate between the rest and active positions.

Abstract: A starter motor has an armature, a commutator and brushes slidably supported by a brush holder, and a magnet switch controls motor operation. A switch supporting member supports the magnet switch and an energization control unit accommodating a bimetal switch having a contact therein. The energization control unit opens its inner contact to shut off the current carried to a magnet switch coil when the temperature of heat transferred via switch supporting member, i.e., the heat of the coil transferred via brushes and a switch yoke, reaches a predetermined temperature, thereby stopping motor operation.

Abstract: A starter for a motor vehicle, of the kind having a contactor provided with a movable contact able to be moved in translation between an idle position, in which the contact bears against a fixed conductive element and towards which it is forced by elastic return means, and an active position in which the movable contact establishes the electrical connection between a current input terminal, and a terminal supplying the starter motor, of the kind in which means are provided which, when the movable contact is in the idle position, enable an electrical contact to be established between the supply terminal and the electrical earth of the vehicle, the movable contact and the supply terminal being connected electrically by elastic return means made of a conductive material.

Abstract: A motor vehicle starter system includes a contactor comprising an annular cylindrical armature and a winding which actuates a movable core in axial displacement, so that the latter acts on a control rod extending through the centre of a fixed core in the form of a disc. The control rod controls axial displacements of a movable contact, and the contactor further includes a hood having the general form of a cylindrical pot, with a skirt portion which defines a housing. The movable contact is arranged within this housing. The starter system also includes an electronic control system for the contactor, comprising a support member such as a printed circuit board, and circuit components carried by the support member.The electronic control circuit is arranged inside the contactor.

Abstract: A moving contact assembly to which a moving contact is fitted so as to allow a normally open common fixed contact part to elude the moving contact and axially pass through is mounted detachably on a fixed core. A contact mold having a normally closed fixed contact part and a cap switch provided with a normally open fixed contact part, a normally closed common fixed contact part, and a normally open common fixed contact part are made axially separable. The contact mold is turned 90 degrees in one direction to allow the normally open common fixed contact part to elude the moving contact and axially pass through. Thus, when the contact mold is turned 90 degrees in the other direction to the contact mold's former condition, the moving contact can be positioned within a recessed groove of a common fixed contact.

Abstract: An engaging relay for starter devices of internal combustion engines as a pull-in winding of which is to be switched on via an auxiliary relay. It is provided for the purpose of a space saving, cost effective arrangement and design of the auxiliary relay that the auxiliary relay is arranged in the contact space of the engaging relay. One end of its relay winding is electrically connected in this case to the magnet core, which conducts frame potential, of the engaging relay, and the other end is electrically connected to a connecting part fastened in the switch cover of the engaging relay. A starter switch for the internal combustion engine is to be connected to this connecting part, which is constructed as a terminal, in order to switch on the engaging relay via the auxiliary relay integrated in it.

Abstract: A connecting terminal housing is integrated with a switch operating current supplying connecting terminal by insert-molding the terminal with resin so that the connecting terminal housing can be attached to a vehicle-side connector. A watertight rubber for preventing infiltration of water from the vehicle-side connector is fitted with the connecting terminal housing. Then, the connecting terminal is electrically connected to lead wires of the starter magnet switch main body.

Abstract: In a starter, when a magnet switch is operated for starter operation, an auxiliary movable contact connected to a main movable contact by a holding member comes into contact with an auxiliary stationary contact to supply an electric current from a battery through resistors, auxiliary stationary contact and auxiliary movable contact to apply a low voltage to a motor for low speed rotation. Subsequently, as a plunger of the magnet switch moves further, the main movable contact comes into electrical contact with a main stationary contact, so that the resistors are short-circuited and the electric current from the battery flows to the motor without flowing through the resistors to drive the motor for high speed rotation.

Abstract: A magnet switch for an engine starter includes a yoke made of magnetic material and having a cylindrical shape with a bottom and an opening. A coil disposed in the yoke includes an insulated electric wire. A stationary core made of magnetic material closes the opening of the yoke. A sleeve made of non-magnetic metal has a cylindrical shape. The sleeve is located between the bottom of the yoke and the stationary core. A plunger made of magnetic material is at least partially located in the sleeve. The plunger is slidable relative to the sleeve in an axial direction. The coil includes a regular winding which extends around the sleeve. The coil is compressed and held between the bottom of the yoke and the stationary core.

Abstract: In one embodiment of the present invention, a starter motor solenoid includes two fixed contacts and a movable contact. The movable contact and one fixed contact are made of copper. The other fixed contact is made of steel. Over a relatively few cycles of the starter motor solenoid, a coating of copper is deposited from the movable contact to the steel fixed contact. Thus, despite the use of relatively inexpensive steel as fixed contact material, a highly-conductive and reliable junction is provided between the movable contact and the steel fixed contact.

Abstract: A plurality of square projections 26 are arranged in two mutually perpendicular directions at the pitch of P on to the surface of a plate member 27 between a first group of punched recesses 29a. The pitch P is twice the length of a side of each punched recess 29a. Shifted with respect to the first group of punched recesses 29a by P/2 in both the vertical and horizontal directions is a second group of punched recesses 29b. The punched recesses 29a and 29b define the projections 26 in the parts which are not occupied by these recesses generally in the pattern of a checker board. Because the projections 26 are separated from each other, and can effectively dissipate heat therefrom, the increase in the contact resistance due to heat generation can be prevented, and the efficiency of the starter motor can be increased.

Abstract: An electromagnetic relay is provided which features an arc-extinguishing structure. This electromagnetic relay includes a pair of permanent magnets which are so arranged as to have their magnetic poles oriented diametrically opposite each other across a pair of movable contacts and a pair of stationary contacts for biasing electric arcs produced between the movable and stationary contacts into given spaces defined in a relay housing.

Abstract: A switching accessory is provided for use with motor starters. In a first embodiment the accessory may be utilized as a motor starter by-pass. In another embodiment the accessory may be utilized as a motor starter isolator. The switching accessory utilizes lever action and fulcrum points to open and close contacts as desired. More particularly, the switching accessory includes a pull bar contactor arrangement, an actuator mechanism, a fulcrum shaft and an operator lever. The pull bar contactor arrangement may be axially displaceable between pairs of bus bars to permit electrical connections between the bus bars of each pair. The pull bar may be movable between a first position in which the contacts of the bus bars of each pair are isolated from one another and a second position in which the contacts of the bus bars of each pair are in electrical contact via contact elements on the pull bar.

Abstract: A magnet switch for starter which controls electric power supply to a motor in two steps is disclosed. The magnet switch has a fixed contact connected to a battery, an exication coil and a plunger. On the plunger, a first movable contact, a second movable contact and an elastic resistor member are coupled. When the plunger is attracted by the coil, the secont movable contact first contacts the fixed contact so that the motor rotates at a low speed with electric power from the battery supplied through the elastic resistor member. When the plunger is further attracted, the first movable contact contacts the fixed contact so that the motor rotates at a higher speed with the electric power without passing through the eleastic resistor member.

Abstract: A solenoid unit for use in high amperage environments includes a hollow cup-shaped housing having a closed end and an open end. A contact section is located adjacent to the closed end, and a coil section is located adjacent to the open end. The closed end includes an end wall. First and second power contact terminals each include a threaded member extending exteriorly for receiving a lead clamping nut. Each terminal includes an enlarged mounting head embedded within the end wall, with an inner contact extending from the end wall. Each head includes a circumferential knurled surface to oppose rotational and axial forces and thereby permits high clamping torque forces on the nut. A bridging contact is aligned with the inner contact ends of the terminals and moves axially thereof. The housing includes inwardly extending opposed locating members which define the contact chamber and guide the bridging contact within a free space to cool the contact assembly.

Abstract: A sealed relay of the high-vacuum type, or which may be backfilled with a dielectric gas such as hydrogen-nitrogen mixture for improved arc suppression when switching high-voltage d-c currents. The relay uses controlled fixed contacts which enable use of a reduced-diameter disk-shaped movable contact. Thus permitting optimal placement of external arc-supporting permanent magnets on a ceramic relay housing in close proximity to the enclosed fixed and movable contacts. A staggered or offset positioning of the fixed contacts makes the relay polarity insensitive for bidirectional switching of high-voltage d-c currents.

Abstract: The engaging relay for a starter device of an internal combustion engine includes a magnetic core having a relay coil and provided with a through-opening with a guide section; an armature including a switching axle extending through the through-opening of the magnetic core; a bushing mounted around the switching axle in an axially displaceable manner in the guide section of the core; a contact bridge nonrotatably fixed to the bushing; main current contacts mounted opposite the contact bridge so as to be contactable with the contact bridge by energizing the relay coil; a spring for holding the contact bridge away from the main current contacts in a resting position of the contact bridge; and anti-rotation means for preventing rotation of the bushing in the guide section relative to the magnetic core so as to maintain the contact bridge in a rotationally fixed relationship with the main current contacts.

Abstract: A contactor unit for a starter motor of an internal combustion engine starter has a casing which includes an end closure cap carrying two fixed contacts for electrical connection to the starter motor, together with a solenoid having a movable core and a solenoid coil for actuating the movable core, the latter being arranged to displace a movable contact axially into engagement with the fixed contacts. The movable contact defines a concave shape in facing relationship with at least one of the fixed contacts. The arrangement is such that there is effectively three-point contact between the movable and fixed contacts.

Abstract: A relay device utilizing a linear "impact break" method for contact break. An armature shaft has attached at one end a plunger situated at the base of the relay core. The armature has a terminal end portion at its other end. A spring provides a biasing force to maintain the plunger and armature shaft in open state. Resiliently mounted on the armature shaft adjacent its end opposite the plunger is a movable contact disc rotatable about the armature shaft for coming in contact with two stationary contacts in the closed state. The armature shaft towards its plunger end extends into an armature travel cavity. The armature shaft towards its movable contact end extends into a chamber open to the armature travel cavity. A movably mounted further spring is located about the armature shaft between the contact disc and a stop on the armature shaft. The further spring rotates upon its compression to rotate the contact disc to vary the position of contact during a plurality of closing operations.

Abstract: The device comprises two fixed contacts, a movable assembly coupled to the central portion of a movable contact the free ends of which can cooperate with the said fixed contacts, and a control electromagnet comprising a solenoid and a movable core displaceable from an initial rest position to a final position in which it strikes a stop element carrying with it the movable assembly so as to bring the end of the movable contact against the fixed contacts before reaching the final position. The movable contact can flex resiliently like a beam under the effect of its engagement with the fixed contacts. When the core strikes the stop element, the fixed contacts oscillate about their normal working positions.

Abstract: The present invention involves an electromagnetically actuated fuel atomizing and metering valve. The valve has a metal body housing an electromagnet, a core, and an injection nozzle. The injection nozzle has at least one fuel injection orifice passage controlled by a movable shutter member fixed to an armature. The shutter member controls the passage of fuel through the injection orifice and comprises a disc delimited by a cylindrical outer lateral surface which has substantially the same diameter as the outer surface of the armature. The disc is connected to the armature by laser welding between the upper circular edge of the disc and the lower circular edge of the armature.

Abstract: A high speed solenoid valve that has a housing with an inlet and outlet that are typically connected to a pneumatic system to control the flow of air across the valve. The solenoid has a first magnetic core coaxial with an armature. Wrapped around the first core is a coil that is connected to a source of power. The coil emits a magnetic flux when current flows through the coil. Adjacent to the coil is a second magnetic core that is attached at one end to the first core and spaced from the opposite end of the first core by a first bushing. Attached to the armature is a magnetic plate that is adjacent to the spaced apart ends of the first and second cores. When the coil is energized, the magnetic flux flows through the magnetic cores and plate, pulling the plate toward the cores and moving the armature from a first to a second position.

Abstract: An electrical switch, particularly for controlling the supply of current to the electric starter motor of an internal combustion engine, in which the movable device and/or its control device are formed in such a way that, in its operating position, the movable contact oscillates after it has struck the fixed contacts and assumes successive configurations in which its deformation or deflection always keeps the same sign.

Abstract: An electromagnetic switch comprising: an excitation coil wound around a bobbin made of a synthetic resin material; a yoke accommodating said excitation coil; a fixed core fixed inside of a first end side of said yoke; a magnetic path plate contacting an outer end of a flange at a second end side opposite to said first end side of said bobbin and fixed inside of said second end side of the yoke; a bush made of a nonmagnetic material and fixed in an inner periphery of the bobbin; a movable core movably supported in said bush in the axial direction thereof; and terminal means closed by urging to press said terminal means by a magnetic suction of said movable core to said fixed core; wherein a plurality of arms are extended in the axial direction from an inner peripheral portion of the bobbin at the second end side thereof; a receiving portion is formed at end portions of said respective arms integrally therewith; cut-off portions are provided for passing the respective arms therethrough at an inner peripheral po

Abstract: An electromagnetic switch for a starter motor has a movable contact and a pair of fixed contact which are brought into contact with each other by the sliding movement of a plunger in an exciting coil; a B-terminal bolt formed integrally with one of the fixed contact, and a connecting terminal having an end surrounded by a surrounding insulation body and the other end functioning as a contacting seat portion which is fitted to the B-terminal bolt, said connecting terminal being extended in the radial direction and at a predetermined angle with respect to the insulating cap, wherein the outer configuration of the contacting seat portion of the connecting terminal is circular or a polygonal having an obtuse angle; the contacting seat of the surrounding insulation body is embedded in a resin-molded body except for its front and rear contacting surfaces; and the connecting seat portion has at its outer circumferential portion turn-prohibiting projections which are in contact with a side surface of a projection for

Abstract: A starter motor electromagnetic switch which includes a single kind of electromagnetic switch that is capable of performing its necessary function even when two kinds of terminals are used in external connecting wires, thereby improving productivity and, when one of the two kinds of terminal in the connecting wires is a tightening type terminal, is also capable of surely preventing the terminal from turning. An L-shaped switch terminal is provided in such a manner that the bottom side portion thereof is fixed to an insulating cap and is connected by soldering to a lead conductor of an exciting coil. A screw terminal is received in the insulating cap such that it is prevented from turning. The threaded portion of the screw terminal is extended through and drawn out from the bottom side portion of the L-shaped switch terminal and is then fixed by a nut. In this manner, there is provided a single kind of electromagnetic switch which includes a switch terminal device consisting of two kinds of switch terminals.

Abstract: An electromagnetic switch apparatus incorporating a pair of stationary contacts and a movable contact at the rear end of a magnetic path core, wherein the stationary contacts are respectively composed of a contact part and a conductive part aligned in L-shape, wherein the conductive part at axial-directional side extends to the external circumference of an exciting coil, and wherein a terminal member is connected to an end of this conductive part and extends in the radial direction. A pair of stationary contacts are respectively molded in a pair of insulating members or in an insulating member secured to the rear end of the magnetic path core. An O-ring is secured to the external circumference of the insulating member. A case enveloping the exciting coil and a cover member enveloping those stationary and movable contacts respectively sandwich the O-ring in the axial direction to generate water-proof sealing effect.

Abstract: An electromagnetic switch suitable for controlling large electric current in starter motors or the likes comprising a rod which is actuated in a longitudinal direction by an electromagnet, a fixed contact member, and a moveable contact member carried by the rod for selective engagement with the fixed contact member by energization and deenergization of the electromagnet. The moveable contact member is allowed to rotate around an axial line perpendicular to the axial line of the rod so that the moveable contact can achieve a favorable contact even when the fixed contact member involves dimensional errors, and that the moveable contact may be easily detached from the fixed contact member even when the two contact members are partly fused together. The rotational movement of the moveable contact member can be achieved by yieldably or elastically holding the moveable contact member between a pair of convex surfaces on the rod.

Abstract: A switching device for the interruption of a fault current includes a housing having first and second electrical connectors for connection in the path of an electrical conductor carrying a single current phase. A vacuum switching chamber is disposed in the housing. A current transformer disposed in the housing includes a primary circuit connected between the first and second terminals for conducting the single current phase and inducing a corresponding current in a secondary winding. A magnet actuator disposed in the housing is electrically coupled to the transformer secondary winding. The magnet actuator is responsive to a fault current in the transformer primary, by way of the corresponding current in the secondary, for changing from an inactive state to an actuated state.

Abstract: An electromagnetic switchgear is characterized in that either a fixed or a moving member is furnished with a contact member having a contact area smaller than an area resulting from the meeting between the fixed and the moving contact, the contact member being made of wear resistant material.

Abstract: An electromagnetic switchgear wherein an eyelet is used to secure an external terminal at a lead hole for use in leading lead conductors of coils to the outside, wherein the lead conductors of the coils are led out of the eyelet, and wherein the lead conductors of the coils, the eyelet and the external terminal are connected together, characterized by applying a tap or protrusion between the interior of the eyelet and the ends of the lead conductors of the coils in order to connect them with solder.

Abstract: A device employing frictionless bearings including a mass of superconductor material having a superconducting temperature T.sub.c above about 77.degree. K., a magnet having an axis of symmetry being levitated from said mass of superconductor material so as to be rotatable about its axis of symmetry, and a support member attached to the magnet, the support member being driven so as to cause the magnet to rotate about its axis of symmetry.Additionally, there is included a frictionless commutator wherein a signal beam is intermittently interrupted by a member attached to the magnet, such intermittent interruption of the beam being detected and employed to cause alternate energization and de-energization of a solenoid which, in turn, creates a magnetic field. The solenoid magnetic field is employed to attract and repel second magnets positioned about the member so as to rotatably drive the first magnet.

Abstract: A device employing frictionless bearings including a mass of superconductor material having a superconducting temperature T.sub.c above about 77.degree. K., magnet having an axis of symmetry being levitated from said mass of superconductor material so as to be rotatable about its axis of symmetry, and a support member attached to the magnet, the support member being driven so as to cause the magnet to rotate about its axis of symmetry.Additionally, there is included a frictionless commutator wherein a signal beam is intermittently interrupted by a member attached to the magnet, such intermittent interruption of the beam being detected and employed to cause alternate energization and de-energization of a solenoid which, in turn, creates a magnetic field. The solenoid magnetic field is employed to attract and repel second magnets positioned about the member so as to rotatably drive the first magnet.

Abstract: A magnetic switch wherein a core flange 22a is so formed as to always confront the outer peripheral surface of a cylindrical plunger 23 while the plunger is being shifted in a direction from the flange to another core member 4a by the magnetic attraction force, thereby to prevent the magnetic attraction force from generating in a direction reverse to that the plunger is to be shifted.

Abstract: An electromagnetic switch for use, for example, in combination with a starter motor for a vehicle, having an appropriate wiping allowance adjusted in assembling the electromagnetic switch. The electromagnetic switch comprises a case, a coil bobbin mounted with a solenoid, a plunger with an integral contact rod axially slidably received in the bore of the coil bobbin, a stationary core fixedly held on the open end of the case so as to limit the range of movement of the plunger, a contact holding member axially slidably mounted on the contact rod of the plunger, a moving contact held on the contact holding member, a stopping means provided at the extremity of the contact rod, a cap joined to the case, and a stationary contact attached to the cap opposite to the moving contact.

Abstract: A solenoid switch comprising an excitation coil, a stationary iron core disposed within the excitation coil, a movable iron core slidably disposed within the excitation coil in an opposing relationship with respect to the stationary iron core, and a compression spring disposed between the stationary and movable iron cores. The solenoid switch further comprises an actuator rod slidably extending through the stationary iron core, a spring for biasing the actuator rod to have one end project from the stationary iron core toward the movable iron core, a contact assembly having a movable contact mounted on the actuator rod and a stationary contact, the contact assembly operating in accordance with the movement of the actuator rod, and a magnetic reluctance element for reducing an amount of magnetic flux passing through the movable iron core and the stationary iron core through the actuating rod.

Abstract: A core and contact assembly for a solenoid switch in which a circumferential belt-shaped attractive force generating portion is formed on one surface of a core, a recess is formed in the attractive force generating portion, a removed portion is also formed in the core radially outwardly of the recess. Stationary contacts are disposed within the recess, and conductor portions extend from the stationary contacts to the other surface of the core through the removed portion. In order to insulatably secure the stationary contacts and the conductor portion with respect to the core, a resinous molded portion is provided, and a cover axially extending from the interior of the recess for surrounding around the stationary contacts is provided.

Abstract: An electromagnetic switch comprising primary current contacts having rounded contact surfaces inclined to the longitudinal axis of the electromagnetic switch, and a rotatable contact bridge having a spherical contact surface with a radius of curvature which is less than the radius of a rounded contact surface of a primary current contact.

Abstract: An electromagnetic switch comprises an outer casing, a cylindrical bobbin which is arranged in the outer casing, which has a magnetic core and which has an exciting coil wound thereon, a plunger arranged in an inner passage of the bobbin so as to be slidable under the action of magnetic attraction force, a rod which moves associating with the plunger, a movable contact which is carried on the rod, and which gets in contact with a fixed contact when the plunger moves in one direction, the fixed contact being arranged at a predetermined position, a cutout formed in an outer peripheral portion of the core, a channel-like lead-out portion which is formed to project from one end of the bobbin in the axial direction, which is fit in the cutout, and which is open in a radial direction outwardly, a mounting opening formed in the outer casing to confront to the cutout, and a terminal member which is press-fit into the mounting opening and which includes a terminal plate connected in the lead-out portion to one of the

Abstract: With a very small hinged armature relay of the printed circuit board type with dual-in-line terminal configuration intended for a very high number of actuations there exists the problem to design the armature resetting spring in such a manner that it withstands said high number of actuations without any risk of failure. For the present relay this problem has been solved by providing a leaf spring as the armature resetting spring being connected in a form-locking manner to the legs of a U-shaped armature (13) extending substantially in parallel to said legs and being connected in a force-locking manner to the coil former (10) constituting the relay structure, this in contrary to the usual way wherein said flat spring would be connected to the legs of the E-shaped magnet yoke (12). By this means it is possible to provide the leaf spring with a length at least equal to the length of the legs of the armature.

Abstract: A magnet switch arrangement having a long flow path through which outside air must pass to enter the inner chamber of the switch where its working contacts are located to prevent the accumulation of dust and moisture therein. A coil unit (3) having a bobbin (4) is provided within a switch housing (2), the bobbin having a cylindrical portion (4a) and a pair of end faces (4b,4c) formed at both sides of the cylindrical portion. A solenoid coil (5,6) is wound on the bobbin's cylindrical portion. A coil chamber (D) is formed between the coil unit and the switch housing. A cylindrical non-magnetic sleeve (7) isolates the inside from the outside of the coil chamber. A plunger having a movable contact is movable inside of the sleeve so that the plunger shifts the pinion toward the ring gear when the solenoid coil is energized. A switch cover (16) includes a contact chamber for covering the movable contact. Fixed contacts (17a,17b) are provided on the switch cover for supplying electrical power to be switched.

Abstract: A solenoid for an electric starter. The solenoid has a metal case that contains a coil winding assembly. The coil winding assembly includes a plastic coil spool that carries a pull-in coil and a hold-in coil. One end of the coil spool supports a plurality of axially extending metallic threaded studs that are insert molded into the end of the coil spool. The end leads of the coils are wrapped around the studs and welded thereto. The studs, together with nuts that are threaded onto the threaded portions of studs, serve to secure a plastic cover to an end of the metal case.

Abstract: A solenoid-operated switch for a starter comprises a movable contact driven by the action of a solenoid and a stationary contact facing the movable contact. An iron plate covers an area where the movable and stationary contacts are mutually brought to contact.

Abstract: A coaxial type starter used to start an engine of a vehicle is disclosed. The starter includes a d.c. motor having an armature rotary shaft which incorporates an overrunning clutch and six or more magnetic poles which are defined by permanent magnets disposed circumferentially on the inner surface of a tubular yoke for forming a magnetic path. Provision of six or more magnetic poles on the inner surface of the yoke enables a reduction in the thickness of the yoke and the diametrical thickness of the armature core since the required thicknesses of the yoke and the armature core are inversely proportional to the number of field magnetic poles. Accordingly, it is possible to incorporate the overrunning clutch inside the armature rotary shaft without any increase in the overall diameter of the starter. Thus, it is possible to achieve a reduction in the overall size of the starter.

Abstract: A rod having a movable contact is prepared separately from a plunger and inserted relatively movably thereinto for a limited distance so that the movable contact is kept stationary until the plunger moves by a considerable distance. Therefore, a contact gap between the movable contact and a stationary contact can be made much smaller than that required in the conventional switch and hence the overall length of the solenoid switch can be made smaller.

Abstract: An electromagnetic device for controlling the supply of current to an electric starter motor includes a pair of fixed contacts on a support for connection to a power supply and a starter motor, respectively. A movable contact which is adapted to engage both fixed contacts is carried by a movable core of an electromagnet so that upon energization of the electromagnet, the movable contact engages both fixed contacts to complete the circuit to the starter motor. A spring is provided for biassing the movable contact away from the fixed contacts upon de-energization of the electromagnet. A flexible braided conductor is permanently connected between the movable contact and one of the fixed contacts to provide an equipotential electrical connection therebetween.

Abstract: An electromagnetic switch for starting mechanisms of internal combustion engines whose switching pin (22), which carries the contact bridge (29) for the main current contacts (13 and 14), is provided with a guide sleeve (25) with which the switching pin (22) is supported and guided in a magneto armature (15) and in a magnetic core (2). The switching pin (22) is supported at springs (21 and 36) and, accordingly, at the magneto armature (15) and the magnet core (2) by means of the guide sleeve (25). An armature return spring (21) supported at the magneto armature (15) contacts the guide sleeve (25). A stronger pressure spring (36) supported at the magnet core (2) contacts the guide sleeve (25). The magneto armature (15) and the switching pin (22), together with the guide sleeve (25), can move relative to one another.

Abstract: A bistable solenoid switch has a plunger and associated movable contact adapted for controlled reciprocation by a coil and bobbin assembly to either of two stable states not requiring sustained energization of the coil. The movable contact is biased toward one of the stable states, for example, "Contacts Closed" in which a pair of stationary contacts are engged by the movable contact. The bobbin is provided with one or more radial projections extending into its core for serving a detenting function with respect to a land formed on an end face of the plunger. When the bobbin projection is engaged by the plunger land, it is prevented from displacing the movable contact into engagement with the stationary contact, and the second, or "Contacts Open", state exists. Means are also provided for translating axial displacement of the plunger into angular displacement for moving it into and out of the detented engagement with the bobbin projection.

Abstract: Electronically controlled battery electromagnetic cut-out breaking the main ircuit and the auxiliary circuit and being intrinsically safe, characterized in that it includes a driving electromagnet (4) with a plunger core (10) of which the drive shaft (12,14) carries, by means of an insulating intermediate part (16), a central connecting part (17) intended for the breaking of the auxiliary circuit (A,D+), as well as a cross piece (18), driven by means of a spring (19) and itself carrying by means of insulating intermediate parts (22,23) two lateral connecting bars (21), returned by return springs (26), and capable of together being applied, in the energized state of the electromagnet (4), against four terminal locations (27 or 27a) in order to ensure the main single or two-pole break, the whole assembly being enclosed with the electronics (35) in a sealed case (1,33,36).

Abstract: A brake/shift interlock for, e.g., a vehicle having a shift mechanism (10) for an automatic transmission. The shift mechanism includes a shift lever (12) and a detent mechanism (24) having a latch (26) and latch plate (28) with a detent notch at the "Park" position. A Park/Lock member (34) is actuable to lock the latch in the Park position (FIGS. 1 and 6). In addition to an ignition lock mechanism (38) for actuating the Park/Lock member based on the status of the ignition switch (36A); FIG. 8), a brake/shift interlock is also provided for actuating the Park/Lock member when the ignition switch is in "Run" position (FIG. 2 ) , except for being released during actuation of a brake switch (82). A solenoid (160; FIGS. 4 and 5), when energized, applies a tensioning force to the Park/Lock member via a cable (44) actuating the P/L member. The solenoid includes a plunger (162) having a centrally located, axial opening (171) through it, through which the cable extends.