Abstract: The electromagnetic relay is provide with a spring fixing part which fixes a signal contact spring, an earth contact spring and a spring connection portion to a board, and an armature made of a magnetic member and arranged to be rockable with a position matching with the spring fixing part. The armature is provided with a first end portion which presses the signal contact spring against signal fixed contacts and a second end portion which presses the earth contact spring against an earth fixed contact. The armature and each of the movable portions are arranged such that torques acting on the armature cancel one another by a repulsion of each of the contact springs when the signal contact spring and the earth contact spring are pressed against the board.

Abstract: A magnetic system for an electromagnetic relay including a core having a winding carrier section and at least two pole sections adjoining the winding carrier section and each of the pole sections has a free end. An armature is positioned under the pole sections and forms at least one working air gap with the free ends of the pole sections. Three inner insulation layers surround the core with the exception of the free ends of the pole sections adjacent the armature. At least one of the three inner insulation layers forms a coil body having two coil body flanges. A winding is positioned between the two coil body flanges. A fourth insulation layer surrounds the three inner insulation layers and the winding. A fifth and a sixth insulation layer is arranged such that the winding is surrounded by three insulation layers at a section facing toward the armature.

Abstract: An electromagnetic actuator has an iron core around which a coil is wound; two permanent magnets, the same poles of which are placed on the ends of the core which extend beyond the coil and which have the same direction of polarity; magnetic poles formed on either end of the iron core; a yoke which connects the poles of the magnets opposite those which face the core; and an iron armature which is supported by a fulcrum on the yoke in such a way that it is free to rotate around the fulcrum, and which has on either end a magnetic pole which faces one of the poles of the core.

Abstract: Simplicity and reliability in a trip mechanism for an overload relay is achieved in a construction including a housing containing a bistable armature mounted on a pivot for movement between two stable positions. Fixed contacts are located within the housing and moveable contacts are carried by the armature for movement to a closed position with the fixed contacts for one of the two stable positions and for movement to an open position relative to the fixed contacts for the other of the two stable positions. A latch arm is carried by the armature and has a latch surface thereon. A torsion spring is mounted on the housing and has a latch finger for engaging the latch surface and retaining the armature in one of the two positions. A push button is provided for disabling the latch finger.

Abstract: Simplicity and reliability in a trip mechanism for an overload relay is achieved in a construction including a housing containing a bistable armature mounted on a pivot for movement between two stable positions. Fixed contacts are located within the housing and moveable contacts are carried by the armature for movement to a closed position with the fixed contacts for one of the two stable positions and for movement to an open position relative to the fixed contacts for the other of the two stable positions. A latch arm is carried by the armature and has a latch surface thereon. A torsion spring is mounted on the housing and has a latch finger for engaging the latch surface and retaining the armature in one of the two positions. A push button is provided for disabling the latch finger.

Abstract: A high frequency relay for switching a high frequency signal includes stationary contacts and terminals formed on a substrate in a planar configuration. An upper and a lower ground layer are respectively formed on the upper and lower surfaces of the substrate in the vicinity of the stationary contacts and terminals. A movable contact spring is so configured as to be connected to ground via the ground layers when it opens the contacts. With this configuration, the relay is capable of reducing the leakage of signals and thereby enhancing isolation characteristic.

Abstract: An inexpensive electromagnetic relay with a simple configuration is provided which does not require a sliding core to attain the desired operating characteristics. The electromagnetic relay includes a movable component which is supported on an upper end of a coil block in a way that the movable component can freely rotate. The movable component further comprises a movable contact element and a movable iron member. The movable contact element and the movable iron member are isolated from each other by a retainer. The movable contact element, movable iron member and retainer all form a single piece. The retainer further comprises a first retainer portion for retaining the movable contact element, and a second retainer portion for retaining the movable iron member. The first and second retainer portions are also formed into a single piece.

Abstract: An electromagnetic relay is provided having a base; a motor assembly mounted on the base, the motor assembly including a coil, a core and a frame; an armature pivotably mounted on the frame; a first electrical contact mounted to the base; a movable elongated member biased against the armature at least at two points such that movement of the armature is restricted and the armature is disposed toward an initial position spaced from the core; and a second electrical contact mounted to the movable elongated member and operatively associated with the first electrical contact.

Abstract: An electromagnetic relay is provided with a coil body that is preferably composed of ceramic with a winding and a U-shaped core yoke whose ends are bridged by a flat armature. The armature actuates an insulating switching spring made of ceramic or a similar material that, crosses the armature at about a 90.degree. angle, and extends between the ends of the core yoke and bridges two cooperating contacts at its movable end with a bridge contact. The relay can be utilized even in a very small design at high ambient temperatures.

Abstract: Ease of assembly, inexpensive construction and improved reliability may be achieved in a trip mechanism for an overload relay including a housing containing a bistable armature mounted in the housing on a pivot for pivotal movement between two stable positions. Fixed contacts are located within the housing and moveable contacts are carried by leaf springs for movement to a closed position with the fixed contacts for one of the two stable positions and for movement to an open position relative to the fixed contacts for the other of the two stable positions. Projections carried by the armature are operative to move the leaf springs and their associated contacts. A latch arm is carried by the armature and has a latch surface. A spring is mounted on the housing and has a latch finger for engaging the latch surface and retaining the armature in one of the two positions.

Abstract: There is provided structure for use in adjusting certain design parameters of a relay during initial assembly of the relay. The structure includes an adjustment member insertable between a bobbin and a core. The adjustment member is preferably U-shaped having arms straddling the core and a backspan which acts as a stop to define the travel of an armature. The adjustment member is driven between the bobbin and core and permanently fixed in place when the desired parameters have been attained. The armature is forced against the motor assembly until the desired design parameters are obtained and the motor assembly is then permanently fixed in place within the relay. An armature is forced against the core moving it within the bore of the bobbin until the desired parameters have been obtained. Thereafter, the core is permanently fixed in position within the bore of the bobbin.

Abstract: The relay has a magnetic system with a coil (2), a core (4), a yoke (5) and also an armature (6) mounted on the yoke. A contact spring (7) is fastened to the armature and the end section of said spring interacts with one or more mating contact elements. The contact spring (7) and/or each mating contact element (21, 22, 25, 26) are connected to connection elements which are all anchored in a common plane in separate pockets (33, 34, 35) of an insulating wall (32) on that side of the coil which is opposite the second yoke limb.

Abstract: An armature-mounting arrangement for a hinged-armature relay includes a yoke (3), an armature (1) positioned at an end portion of the yoke, and an armature holding spring (2) which has at least one switching contact thereon and which is mechanically coupled to the armature. The armature holding spring is formed as one piece with a return spring (5) for the armature and also with spring hooks (4). Each of the spring hooks has a first portion (4a) lying substantially flat on an outer side of the armature and a second portion (4b) extending from the first portion about the armature and lying almost flat against an outer surface of the yoke. This armature-mounting arrangement is a particularly uncomplicated and cost effective structure and its operation is also not particularly sensitive to fabrication tolerances of the armature and the yoke.

Abstract: A relay has a coil form, preferably made of ceramic, with a winding and a U-shaped core yoke, whose ends are bridged by a flat armature. The armature actuates an insulating switching spring, made of ceramic or a similar material, which bridges two counter-contacts with a bridge contact on its movable end. The relay can be used at high ambient temperature, even with a very small construction.

Abstract: The present disclosure is directed to a relay. The relay includes a frame and a header seal assembly base having contacts and a return spring. The relay also includes an armature assembly which engages the return spring. The armature assembly has at least one actuator. The relay further includes a core assembly located on the armature assembly. The core assembly has an end engaging the frame. The relay also includes a coil shim having a cutout section. The coil shim is connected to the frame and the cutout section engages the armature assembly when the relay is in the de-energized state. The coil shim has an opening for accepting the core assembly. The relay also includes a coil engaging the coil shim. The coil has an opening for accepting the core assembly.

Abstract: A relay is formed by a magnet system containing a wound coil body, an L-shaped core arranged axially therein, an L-shaped armature and a base element with terminal elements. Stationary and moving contact elements are arranged between the base element and the magnet system. The armature is mounted with the free end of its transverse leg at the free end of the longitudinal leg of the core. The armature is secured through a U-shaped armature spring wrapping around the armature. The spring is secured with one arm at the longitudinal leg of the armature and a second arm is inserted in a recess between the coil body and the core. The actuation of the moving contact elements is provided via a slide coupled to the armature. This slide is hooked to the armature by spring tabs of the armature spring at opposing sides of the armature through snap latches formed at the ends of the side arms of the slide.

Abstract: An electromagnetic relay includes a spool, a coil wound on the spool, an armature inserted in the through hole of the spool, a yoke fixed to the spool by fitting, hinge springs, a movable spring, a hinge spring fixing portion, an attaching/fixing portion, and at least one terminal. The armature operates upon excitation of the coil. The yoke has first and second opposing upright portions. One end of the armature is in contact with an end face of the first upright portion, and the other end thereof opposes the end face of the second upright portion. The hinge springs set the armature at a predetermined angle with respect to the yoke, and urge one end of the armature against the end face of the first upright portion to ensure magnetic connection. The movable spring has a movable contact and extends from one side of the hinge springs. The movable spring is connected to the armature.

Abstract: This miniature relay is obtained by micromachining on a substrate using etroforming, photolithography and/or similar techniques, all its components being obtained on the substrate by integration operations similar to those used for fabricating integrated circuits. A mobile contact (26) is borne by an elastic lever (19) attached, overhanging, to the substrate (1). A lever (19) forms a rocker and is attached to the substrate (1) by means of a deformable connection. At each of its free ends is provided an armature (20, 21) of a magnetic circuit which defines a seat against which the armature can be applied with a magnetic force opposite that generated by the elastic deformation of the lever (19).

Abstract: The relay includes a coil assembly enclosed in a top enclosure made from insulating material. The coil assembly includes a spooled coil body, a core, pole shoes and winding terminal elements assembly and is disposed above a pivoting armature which is connected to contact springs via a carrier element of insulating material. The relay also includes a base made from insulating material and which contains terminal paths for stationary cooperating contact elements as well as contact terminal elements. The armature is disposed above the base via bearing supports and bearing bands integrated in the contact springs. A frame is disposed over the base and forms a housing for the relay together with the base and with the top enclosure. The housing encapsulates the contact space of the relay, wherein the frame with the base represents the lower housing part and the top enclosure for the coil assembly represents the upper housing part.

Abstract: An electromagnetic relay comprising a smaller number of components and would be shorter than its predecessors. A movable block and a contact mechanism in a conventional relay are arrayed in a linear fashion, which tends to increase the length of the relay. This relay, however, has a movable block placed on a electromagnetic block, and a drive rod extending from the movable block drives a contact mechanism which is installed on one side of the electromagnetic block to short the length of the relay.

Abstract: A slim-type small size electromagnetic relay is made using semiconductor manufacturing techniques to form a silicon substrate 2 having a planar movable plate 5 and a torsion bar 6 for axially supporting the movable plate 5 formed integrally therewith, with a planar coil 7 provided on an upper face of the movable plate 5 and a movable contact 9 provided on a lower face. Glass substrates 3, 4 are provided on upper and lower faces of the silicon substrate 2, with fixed contact 11 contactable with the movable contact 9 provided on the lower glass substrate 4. Permanent magnets 13A, 13B and 14A, 14B for producing a magnetic field at the planar coil 7 are fixed to the glass substrates 3, 4. Rotation of the movable plate 5 against the torsion force of the torsion bar 6 is controlled by passing a current through the planar coil 7 to produce a magnetic force, thereby causing contact or separation of the movable contact 9 and the fixed contact 11.

Abstract: A polarized bistable electromagnetic relay arrangement comprising at least two monostable instantaneous electromagnetic relay devices with a L-shaped yoke, a permanent magnet disposed between both relay devices so that one magnetic pole be magnetically connected by polar masses to both yokes of the relay devices and polar masses magnetically connect the other pole of the magnet to both blades whereas the magnetic circuits of both relay devices are designed so that the magnetic flux produced by one energized coil passes in series through both blades while superposing themselves to the magnetic flux produced by the permanent magnet.

Abstract: In the case of the relay, an insulating wall which has at least three insulating layers is formed between the magnet system and a live metal part, in that the insulating wall is formed from a wall base having at least one insulating gap, and in that the insulating layer is formed in the insulating gap by insulating material which is inserted in liquid form and is subsequently cured.

Abstract: An electromagnetic hinged-armature relay comprises a contact spring (2) which is arranged on and attached to an armature (1). The contact spring serves as a switching contact spring and has a bounce dampener which is in the form of a swing element (3) made as one piece with the contact spring which greatly reduces bounces of contacts and contact wear resulting therefrom.

Abstract: An electromagnetic relay constructed as a hinged-armature relay in which an armature (5) is attached to a flat-shaped spring (6) which spring is constructed as one piece to serve both as a switch-contact spring and as a return spring and which is mechanically and electrically coupled to a load-current terminal (11), with the load-current terminal having a spring affixing area (11a) and a terminal area (11b), wherein the spring affixing area and the terminal area of the load-current terminal are bendable relative to one another. A response voltage of such a relay can be adjusted in a particularly uncomplicated and quick manner using a wedge-shaped adjusting tool (12) to bend the affixing area relative to the terminal area.

Abstract: A magnet system has a U-shaped core yoke whose yoke leg and core leg form a magnetic flux circuit together with an armature. A constriction section with reduced cross-section is provided at a location of the magnetic flux circuit, preferably at the core leg; a ferromagnetic bridge element with a flat permanent magnet is coupled to the magnetic flux circuit parallel thereto. Since the constriction section enters into saturation when the armature is attracted, the armature is held fast opposite a restoring spring. As a result of the inventive arrangement, a geometry for a magnetic circuit arrangement that is fast and inexpensive to manufacture is provided.

Abstract: An electromagnetic relay comprises a frame having a magnetically permeable flat pole face, an electric coil for developing a magnetic flux in said pole face, and an L-shaped armature having a leg portion and a foot extending at substantially a right angle to the leg portion, one end of the leg portion of the armature being pivoted for rotation between a first position wherein both the leg and foot portions of the armature extend at acute angles to the flat pole face of the frame and a second position wherein the foot portion of the armature lies in close parallel relation to the pole face on the frame and the leg portion of the armature extends at a right angle to the pole face on the frame.

Abstract: A polarized electromagnetic relay includes a base, an electromagnet with a coil and a pair of pole pieces extending perpendicularly from the end of said coil, a balanced armature and spring system which when actuated pivots between two fixed contact points and a permanent magnet inducing the same magnetic poles in both of said pole pieces and providing an opposite pole in closely adjacent relationship to the central portion of the armature. A movable contact spring is fixedly connected to the armature, said spring forming contact arms at either armature end portion. Further, a flexible movable braid connects the movable contacts on said movable spring to each other and to a movable contact terminal. A pair of retaining tabs extending from a central bobbin flange engaging corresponding recesses at the lateral sides of the armature limits the movement of the armature in two directions as well as its rotation.

Abstract: The relay has a magnet system with an armature that operates on a switching spring via an actuating element. This switching spring has a frame-shaped contact spring as well as a fork-shaped reset spring, intermeshed in one plane and mutually decoupled, whereby the reset spring guides the actuating element via at least two linkage points lying in a line parallel to the pivot axis. The relay of the present invention provides a compact construction with few individual parts and a very low-friction operation.

Abstract: An electromagnetic relay has a core and yoke that are securely attached to the base of the relay with a high degree of precision so that the operating characteristics of the relay do not vary. To this end, two bosses are provided near the lower edge on the inner surface of a hole in a spool of the relay. The bosses are symmetrical with respect to a center line of the spool.

Abstract: An electromagnetic relay includes a winding, a magnetic core disposed within the winding, and an armature mounted for movement at a first end of the winding. At least one movable circuit contact is operably associated with the armature and movable with respect to at least one stationary contact mounted in the relay responsive to motion of the armature. An end plate is mounted at an opposing end of the winding and an insulating sheet is folded about a portion of the winding. The insulating sheet has first and second sides, with the first side being secured on one end to the end plate, and the second end disposed between the armature and the first end of the winding. An outer frame covers at least a portion of the insulating sheet. The insulating sheet functions to reduce the occurrence of voltage breakdown within the relay.

Abstract: An alternating current relay including a wire coil having the wire wrapped in the same direction to form a wire coil having substantially parallel windings with the wire coil also being connectable to an alternating current source. The wire coil includes a central passage extending in a direction substantially perpendicular to the direction of the wire windings, wherein a cylindrical core extends through the central passage of the wire coil and further extends through the top surface of the coil in the longitudinal direction of the central passage. A non-magnetic, annular armature is positioned a predetermined distance from the top surface of the wire coil, with the armature being positioned substantially parallel to the windings of the wire coil. The cylindrical core further extends through the center of the armature, and the armature is movable in response to a magnetic force generated by the wire coil, wherein the armature may reciprocate along the longitudinal axis of the cylindrical core. The A.C.

Abstract: An electromagnetic relay having a coil core which carries a coil. The coil is connected to one end to the short limb of an L-shaped magnet yoke, on a long limb of the L-shaped magnet, a hinged armature is supported in a manner which allows the armature to pivot about a pivot axis on the long limb of the magnet. In order to achieve a precisely defined switching behavior which is concurrent for the relays of a series, the length of the coil core is produced by means of upsetting as a function of the height of the pivot axis above a base area of the magnet yoke on which the coil core is secured, with the result that the position of the hinged armature with respect to a pole face of the coil core is precisely defined.

Abstract: A relay includes a base member that supports a magnetic system and has an armature pivoted on a bearing edge on the base member. The armature has a free end moveable in an actuation direction on the bearing edge relative to a pole face between a release position and an attracted position upon energizing and deenergizing of the coil, whereby the bearing edge extends in the plane of a second pole face. Received by a support area of the armature is a retention spring for holding the armature in contact with the bearing edge, with the retention spring being formed as a carrier bilaterally clamped at attack points which are substantially in alignment at least in one plane with the support area for the retainer spring.

Abstract: An electromagnetic actuator having a coil, stator and an armature where dual parallel channels are formed in the stator for receiving the coil and where the armature is hinged to the stator for movement toward the stator upon application of an electrical current to the coil. The stator has a length, a width and a height where its length is at least 1.6 times its width and its width is at least 2.0 times its height.

Abstract: A coil of an electromagnetic device is wound around a C-shaped or U-shaped section iron core. A supplementary member support a permanent magnet roughly on its center and defines an air gap between both ends of the member and both ends of the iron core. An armature is pivotally supported on the permanent magnet and has both ends adapted to alternately make and break contact with end walls of the iron core. The armature further includes magnetic circuit switching members near both of its ends, which cross the magnetic flux passing through the air gap, so that the magnetic circuit switching members are alternately brought into the air gap by pivoting the armature according to excitation and deexcitation by the coil.

Abstract: The contact spring arrangement has an elongated contact spring having a rigid connecting leg which extends approximately parallel to the contact spring and conducts the switching current in a direction opposite to the contact spring. On the side opposite the connecting leg the contact spring has a contact piece which co-operates with an opposite counter-contact element having a contact piece. The repulsive forces between the connecting leg and the contact spring become so long that even in the case of the highest short circuit currents no welding of the contacts results when in the case of contact pieces made from silver or a silver alloy the length of the gap formed between the contact spring and connecting leg is at least 20 times larger than the average spring spacing in the gap.

Abstract: An electromagnetic relay is composed of a coil wound around magnetic core, a U-shaped magnetic pole member connected to an end of the magnetic core and provides a space, a yoke member connected to the other end of the magnetic core, an armature movably connected to the yoke and disposed in the space, a permanent magnet secured to the armature near the magnetic core and supporting member supporting the armature. Since the permanent magnet is disposed near the magnetic core, magnetic flux of the permanent magnet can be utilized effectively and, therefore, the size of the relay can be reduced.

Abstract: A safety relay has a guided contact set and a monostable drive with a H-armature. The individual contacts of the set of contacts are located in separate chambers and are actuated by a common armature. In order to miniaturize the relay while having a low power consumption, a mechanically symmetrical H-armature with an asymmetrical magnetic effect is provided to ensure the monostable drive. The longitudinal axis of the H-armature is approximately parallel to the longitudinal axis of the driving coil and the axis of rotation of the H-armature is perpendicular to the longitudinal axis of the driving coil. The actuator is actuated by an actuating plate which prolongs the H-armature.

Abstract: A silicon substrate is partially removed for forming a movable center portion connected through torsional portions to a stationary portion, and current flows through a coil formed in the movable center portion so that a moving contact formed in the torsional portion comes into contact with a fixed point.

Abstract: An electromagnetic relay having an improved resistivity to a surge comprising an enclosure member, a core provided in the enclosure member, coils winding the core through a spool, an armature showing an alternate motion to be in contact with or apart from a part of the core, and a contact member showing an alternate motion to be in contact with or apart from a part of each of contact terminals secured to the enclosure member and the contact member being electrically separated from and mechanically connected to the armature through an insulating material having an extremely large dielectric constant.

Abstract: In a relay system, a flat yoke leg (21) is provided at which a plate-shaped armature (3) is seated via an armature spring (10). The flat yoke leg is arranged generally parallel to an axis of a relay coil core (1). An armature plate (3) has an end face seated at a broad underside of the yoke leg (21). A bearing section (12) of the armature spring lies against an end face of the yoke leg (21) and extends to lie flatly against the armature, to which it is preferably secured. A pre-stress section (13) of the armature spring extends axially beyond the bearing section (12) and is hooked and biased against a retainer peg (25) fashioned as an extension of the yoke leg. As a result thereof, the armature is urged against a bearing edge (22) at the underside of the yoke leg. Moreover, the armature is biased into a normal quiescent position with a predetermined force which is adjustably dependent on the deflectable position of the retainer peg.

Abstract: A relay has a polarized magnetic system (2) with a three-pole magnet (17) arranged above a coil (14) and rocking armature (18) which actuates a contact spring (30) arranged beneath the coil by means of a frontally arranged slide (23). The contact spring (30) is inserted from one side into the base body, by means of an elongated spring carrier (29), whereas a counter contact element (33) is inserted therein from the opposite side. This relay allows with a compact design long insulating sections between the magnetic system and the set of contacts, as well as a short circuit-resistant design of the set of contacts.

Abstract: A circuit breaker has at least one pair of electrical contacts of which one contact is mounted for movement relative to the other contact between first and second positions. One of the first and second positions corresponds to the contacts being closed and the other corresponds to the contacts being open. Resilient biassing means urges the one contact into the first position so as to maintain the contacts normally in the condition corresponding thereto. A magnet (such as a solenoid acting in active or passive mode) is capable of holding one contact in the second position against the action of the resilient biassing means, but is demagnetisable to permit the one contact to return to the first position.

Abstract: An armature support for a hinged relay has beveled bearing surfaces which force the armature, when the armature is displaced, into a rotational movement about a center of a switch contact. In this manner, structural tolerances of the hinged relay, as well as axial play in the armature support, are balanced out to avoid a switch contact displacement.

Abstract: An electromagnetic relay having movable contactors which extend along either side of a movable armature. The movable armature and the movable contactors are formed integrally with the central support member by outsert molding. Movable contact terminals, which extend from the movable contactors, are molded to the base sections. Connecting pieces, which are located on the bases of the movable contact terminals, are bent to form a rotating shaft. The front ends of the base sections protrude toward each other to form the base. The movable contacts on the movable contactors are positioned so that they alternately contact and draw away from the fixed contacts on the base.

Abstract: An electromagnetic actuator has a U-shaped yoke with substantially parallel legs and a keeper which is pivotally mounted for angular movement about an axis located outside of the yoke to move between two angular positions bridging the yoke legs. The proximal end of the keeper adjacent the pivot has a side face which confronts the end of one pole leg forming a variable length gap called the proximal gap, and, the distal end of the keeper has an end face which confronts a side pole face of the other leg of the yoke forming a gap, called a distal gap, the length of which changes very little between and in the two angular positions of the keeper. The torque constant over the displacement range between the two angular positions of the keeper only slightly changes. The design permits keeper movement through a large angle while minimizing operational current requirements.

Abstract: A relay having a basic body with a bearing pin secured in its wall or base which protrudes perpendicularly from the wall. A contact spring made of strip material is taken partly around the bearer pin with a securing section in the form or a clamping sleeve. Besides a spring shank it forms on the other side of the securing section a prestressing shank supported on a supporting component, preferably a coil flange and thus prestresses the spring shank in its position of rest. The contact spring can also be fitted in cramped and poorly accessible positions, e.g. between the coil and the armature and given a predetermined prestress without its having to be soldered to the bearer pin or subsequently adjusted.

Abstract: A damper is provided by a plurality of chambers defined between stacked thin sheet members and containing a fluid for flowing therein through a communicating section, the chambers being made to be of a small height in the direction perpendicular to the plane of the sheet members and to form a buffer section with at least one of the chambers. With such damper employed in electromagnet assemblies and eventually relays including the assemblies, they can be sufficiently minimized in size, and their manufacture can be also made extremely easier.

Abstract: An electromagnetic relay in which a movable block is mounted on an upper surface of an electromagnetic block disposed on a base for a swing movement and contacts are switched by the movable block driven by the movable block being energized and deenergized, a pair of supports projecting on an upper surface of the base which are opposed with respect to the electromagnetic block, a pair of shafts coaxially projecting from both opposite side walls of the movable block are engaged from the upward with concave portions formed on upper surfaces of the supports to be supported thereby, and a load spring at one end is fixed to the movable block but at other end is contactable with a stationary portion.