Abstract: An overcharge prevention device of a battery is provided and includes a safety fuse which is connected to a battery and a safety circuit which is connected in parallel to the battery and the safety fuse and includes a short-circuit switch which is disposed adjacent to a side in which the battery is swelled. The short-circuit switch is opened in a normal state, and short-circuits when the switch is pressurized due to the swelling of the battery to form a closed circuit with the battery and the safety fuse.

Abstract: A rechargeable battery including an electrode assembly; a terminal; a fuse, the electrode assembly, the terminal, and the fuse being electrically connected to each other; and an insulating blocking member in operative co-operation with the fuse.

Abstract: A fuse holder, particularly for interlocked sockets and electrical apparatuses in general, includes a tray which is inserted in a seat and is adapted to accommodate a fuse. The tray is movable along a rectilinear path, having at least two positions: an active position, in which the fuse is active, and an extracted position, in which the fuse can be removed from the tray. The seat includes two elastic contact members which provide an electrical and mechanical connection of the fuse in the active position.

Abstract: A fuse module with an indicating capability allows a plug having pins to be inserted therein. The fuse module includes a casing, an electrical conductive terminal, an insulator and a light-emitting unit. The bottom of the casing is provided with through holes. The electrical conductive terminal is received in the casing. The electrical conductive terminal includes conductive pieces for allowing the pins to be inserted therein and a connecting arm for connecting the conductive pieces. The conductive pieces are arranged to correspond to the through holes. The insulator is fixed to the connecting arm. The light-emitting unit is provided between the insulator and the casing and is electrically connected with the conductive pieces. When the current is overloaded, the connecting arm will be melted to break, so that the light-emitting unit will be lighted up to generate an indicating effect.

Abstract: A fuse assembly 1 including a pair of terminals 2 which are arranged in parallel to each other, a housing 4 having a cavity 20 for containing one end portions 3a of the terminals, and a fusible body 5 interconnecting the terminals 2. The fusible body 5 consists of a pair of supporting portions 39 connected to end faces 8 of the terminals 2, and a connecting portion 40 interconnecting the supporting portions 39. The fuse assembly 1 further includes anchoring parts 30 for fixing the fusible body 5 to the housing 4 and second anchoring parts 31 for fixing the terminals 2 to the housing 4. The anchoring parts 30 include through holes 45 formed in the supporting portions 39, and projections 46 projected from an inner face 17 of the housing 4 and adapted to be engaged in the through holes 45. Thus, conduction of heat generated in the fusible body 5 to electrical equipments connected to the terminals can be restrained.

Abstract: A 42V fuse and a fuse support used in an electric circuit of an automobile. The 42V fuse includes first and second terminals, a fuse line connecting the first and second terminals, and a housing. The fuse support has a pair of guide blocks. A groove extends through each block. The grooves enable the 42V fuse to be connected to the fuse support. Further, the grooves restrict the connection of a 14V fuse to the fuse support.

Abstract: A fuse assembly which can securely halt an electric power supply to a load after a blowout of a fuse element in the fuse assembly is provided. The fuse assembly 1 has a pair of terminals 2, a housing 4 and a fuse element 5. Ends 3a of the terminals 2 are received into the housing 4. A pair of the terminals 2 and the fuse element 5 are formed integrally with each other. The fuse element 5 has a pair of supporting parts 39 and the central part 40. The supporting part 39 has a first extended part 41 connected to an end surface 8 of the terminal 2. The central part 40 connects a pair of the supporting parts 39 with each other and is situated at the center between a pair of the terminals 2. A thickness T2 of the fuse element 5 at the central part 40 is formed smaller than a thickness T1 of the fuse element 5 at the first extended part 41.

Abstract: A fuse 1 includes a pair of terminals 2, housing 4 and fusible body 5. The terminals 2 are provided so that their one ends are housed in the housing 4 and their other ends are exposed externally from the housing 4. The terminals 2 each has a recess to enlarge the interval therebetween. The recess 6 consists of a flat face 10 and step face 11. The housing 4 includes a pair of end walls 12a, 12b, and a pair of partition walls 22. The inner faces 15a, 15b of the pair of end walls 12a, 12b are opposite to each other in a direction orthogonal to the direction the pair of terminals are arranged in parallel and extend along the end faces of the terminals 2. The partition wall extend from the inner face 15b toward the inner face 15a. The second partition walls each covers the flat face 10. In this configuration, when the power with a current value which exceeds the fusing current value of the fusible body is supplied, supply of the power to the load can be surely stopped.

Abstract: A fuse 1 includes a pair of terminals 2, housing 4 and a fusible body 5. The one ends 3a of the terminals are housed in a housing chamber 20 of the housing 4. The housing 4 has a first inner wall 12a, a second inner wall 12b, a first partition wall 21 and second partition walls 22. The end face 8 of the one end 3a of each of the terminals 2 is located apart from the inner face 12a of the first end wall 21. The fusible body 5 couples the terminals with each other. Both ends of the fusible body 5 are mechanically connected to the end faces 8. The first partition wall 21 extends from the inner face 15a of the first end wall 12a toward the inner face 15b of the second inner wall 12b. The second partition walls 22 extend from the inner face 15b of the second inner wall 12b toward the inner face 15a of the first inner wall 12a.

Abstract: A fuse that includes an arc energy reducing coating to reduce arc energy during a short-circuit and/or a full voltage overload current interrupt is described. The fuse includes end conductor elements, and at least one fuse element secured between and making electrical contact with the end conductor elements. An elongate fuse housing, having a passageway extending longitudinally through the housing, extends between the end conductor elements. The fuse element extends through the housing passageway. An arc energy reducing coating at least partially coats each end portion of the fuse element.

Abstract: A fuse assembly, in which a pluraity of members constituting a housing of the fuse assembly can be mounted tightly and whether the fuse element has blown out or not can be easily checked, is provided. The fuse assembly 1 has a pair of terminals 2, a fuse element 5 and a housing 4. Each end 3a of the terminals 2 is received into the housing 4. The fuse element 5 connects the terminals 2 with each other. The fuse element 5 has a pair of locking claws 61. The housing 4 has casing members 4a and 4b, which receive each end 3a of the terminals 2 and the fuse element 5 when the casing members 4a and 4b are fit with each other in the housing 4. Each casing member 4a and 4b has a locking recess 64 for engaging with the locking claw 61. One locking claw 61 engages with one locking recess 64, while an opposite locking claw 61 engages with an opposite locking recess 64.

Abstract: A pair of electrodes are provided through a base. A cap and the base constitute a chamber, and are connected to each other by fitting projections provided on the base, into locking grooves formed in the cap. A fuse element is connected to upper portions of the electrodes, located in the chamber, by appropriate means such as soldering or welding. The base is in the form of a rectangle having long sides and short sides. A pair of semi-elliptic air pass holes are formed in substantially central portions of the base along the respective long sides, and opposed to each other.

Abstract: A 42V fuse and a fuse support used in an electric circuit of an automobile. The 42V fuse includes first and second terminals, a fuse line connecting the first and second terminals, and a housing. The fuse support has a pair of guide blocks. A groove extends through each block. The grooves enable the 42V fuse to be connected to the fuse support. Further, the grooves restrict the connection of a 14V fuse to the fuse support.

Abstract: A fuse assembly, in which a pluraity of members constituting a housing of the fuse assembly can be mounted tightly and whether the fuse element has blown out or not can be easily checked, is provided. The fuse assembly 1 has a pair of terminals 2, a fuse element 5 and a housing 4. Each end 3a of the terminals 2 is received into the housing 4. The fuse element 5 connects the terminals 2 with each other. The fuse element 5 has a pair of locking claws 61. The housing 4 has casing members 4a and 4b, which receive each end 3a of the terminals 2 and the fuse element 5 when the casing members 4a and 4b are fit with each other in the housing 4. Each casing member 4a and 4b has a locking recess 64 for engaging with the locking claw 61. One locking claw 61 engages with one locking recess 64, while an opposite locking claw 61 engages with an opposite locking recess 64.

Abstract: A fuse assembly which can securely halt an electric power supply to a load after a blowout of a fuse element in the fuse assembly is provided. The fuse assembly 1 has a pair of terminals 2, a housing 4 and a fuse element 5. Ends 3a of the terminals 2 are received into the housing 4. A pair of the terminals 2 and the fuse element 5 are formed integrally with each other. The fuse element 5 has a pair of supporting parts 39 and the central part 40. The supporting part 39 has a first extended part 41connected to an end surface 8 of the terminal 2. The central part 40 connects a pair of the supporting parts 39 with each other and is situated at the center between a pair of the terminals 2. A thickness T2 of the fuse element 5 at the central part 40 is formed smaller than a thickness T1 of the fuse element 5 at the first extended part 41.

Abstract: A fuse assembly 1 including a pair of terminals 2 which are arranged in parallel to each other, a housing 4 having a cavity 20 for containing one end portions 3a of the terminals, and a fusible body 5 interconnecting the terminals 2. The fusible body 5 consists of a pair of supporting portions 39 connected to end faces 8 of the terminals 2, and a connecting portion 40 interconnecting the supporting portions 39. The fuse assembly 1 further includes anchoring parts 30 for fixing the fusible body 5 to the housing 4 and second anchoring parts 31 for fixing the terminals 2 to the housing 4. The anchoring parts 30 include through holes 45 formed in the supporting portions 39, and projections 46 projected from an inner face 17 of the housing 4 and adapted to be engaged in the through holes 45. Thus, conduction of heat generated in the fusible body 5 to electrical equipments connected to the terminals can be restrained.

Abstract: A fuse 1 includes a pair of terminals 2, housing 4 and a fusible body 5. The one ends 3a of the terminals are housed in a housing chamber 20 of the housing 4. The housing 4 has a first inner wall 12a, a second inner wall 12b, a first partition wall 21 and second partition walls 22. The end face 8 of the one end 3a of each of the terminals 2 is located apart from the inner face 12a of the first end wall 21. The fusible body 5 couples the terminals with each other. Both ends of the fusible body 5 are mechanically connected to the end faces 8. The first partition wall 21 extends from the inner face 15a of the first end wall 12a toward the inner face 15b of the second inner wall 12b. The second partition walls 22 extend from the inner face 15b of the second inner wall 12b toward the inner face 15a of the first inner wall 12a.

Abstract: An antifuse programming circuit for performing a programming operation without causing any stress to an antifuse element is provided. The antifuse programming circuit includes: an antifuse element which is programmable according to a voltage difference between both terminals thereof; a control logic circuit for generating a control signal in response to internal address signals and an external address signal; a negative voltage generator, coupled to the antifuse element, for generating a negative voltage signal; and a power connection controller, in response to the control signal, for coupling the negative voltage signal to a ground terminal when the antifuse element is in an unprogrammed state.

Abstract: A fuse includes a tube, a pair of blade terminals projecting from opposite ends of the tube, at least one fuse element disposed in the tube and electrically coupled between the terminals, and a pair of metallic end caps disposed on opposite ends of the tube. Electrically insulative elements are disposed between the end caps and the terminals. The tube is filled with an arc-quenching material inserted through a fill hole that is plugged by a plastic drive rivet. Each terminal is attached to a metallic end plate by means of a staking tang inserted into a slot of the end plate, and by means of a separate solder joint. Each insulative element includes an axial sleeve through which a respective terminal extends for a part of its length. The fuse element comprises a one-piece metal element bent to form a pair of parallel, superimposed strips divided into sections by means of fusible weak points.

Abstract: An electrical safety receptacle (10) including a dielectric housing (12), first electrical contacts (14) in the housing for electrical connection to one side of an electrical power line, second electrical contacts (16) in the housing for electrical connection to the other side of the electrical power line, and power-interruption members (48) provided as part of the second electrical contacts to interrupt the electrical power when an operating and/or environmental temperature exceeds the thermal rating thereof.

Abstract: A fuse includes a fuse element having a pair of terminal portions interconnected by a fusible portion, pivot pawls provided between the fusible portion and each of the terminal portions, seat surfaces respectively supporting the pivot pawls thereon, thereby holding the fuse element within an insulating housing, and pivotal movement-allowing spaces for allowing two portions of the fuse element, separated from each other when the fusible portion is melted, to be pivotally moved about the pivot pawls inside and outside the insulating housing.

Abstract: A fuse includes a tube, a pair of blade terminals projecting from opposite ends of the tube, at least one fuse element disposed in the tube and electrically coupled between the terminals, and a pair of metallic end caps disposed on opposite ends of the tube. Electrically insulative elements are disposed between the end caps and the terminals. The tube is filled with an arc-quenching material inserted through a fill hole that is plugged by a plastic drive rivet. Each terminal is attached to a metallic end plate by means of a staking tang inserted into a slot of the end plate, and by means of a separate solder joint. Each insulative element includes an axial sleeve through which a respective terminal extends for a part of its length. The fuse element comprises a one-piece metal element bent to form a pair of parallel, superimposed strips divided into sections by means of fusible weak points.

Abstract: A secondary short preventing mechanism of a fuse is constituted by a pair of female terminal members in which male terminal receiving portions are formed at their longitudinally one ends respectively so that the male terminal receiving portions are to be engaged with and electrically connected to male terminal portions, and a fuse fusing portion is formed between their longitudinally other ends connected to each other; and a housing for housing the female terminal portions, and having a vertically extending insulation partition for horizontally separating the female terminal portions from each other. Each of the male terminal receiving portions has raised pressing contact portions which face each other at different levels, that is, at upper and lower positions in its longitudinal direction, the upper pressing contact portion being projected toward the insulation partition and having elasticity, respectively.

Abstract: A service plug includes a circuit accommodating body that has circuit terminals internally arranged therein, the circuit terminals being connected to end portions of an open electric circuit; and a plug main body that has a fuse and that is fitted with the circuit accommodating body. The plug main body has a pair of terminals that are electrically connected to fuse terminals of the fuse and that are engageable with the circuit terminals, respectively.

Abstract: An improved fuse plug is provided. The fuse plug includes a housing, a pair of first and second fuse chambers formed in opposite side of the housing, a first blade directly connected with a first cord, a second blade indirectly connected with a second cord via a cartridge fuse disposed in the first fuse chamber, a stand-in cartridge fuse reserved in the second fuse chamber and both the fuse chambers are closed by a pair of waterproof safety fuse doors. A sleeve member made in conforming with the housing is sleeved on the housing and a fuse pick which is made from flexible plastic wraps on the cartridge fuse for facilitating a ready removal of the fuses from the chambers.

Abstract: A fuse element which includes a substantially beltlike fusible body for electrically connecting a pair of connecting terminal portions to each other, the connecting terminal portions connected to an electric circuit, a low-melting-point metal piece clamped and fixed onto a melting metal adding portion arranged on the fusible body in order to adjust a fusion characteristic of the fusible body, and a pair of clamping pieces formed to extend outward from both side edges of the melting metal adding portion of the fusible body for clamping and fixing the low-melting-point metal piece set on the melting metal adding portion from both sides of the low-melting-point metal piece, in which the pair of clamping pieces have projections for holding the low-melting-point metal piece in press contact with each other by projecting into a space defined by a width of the melting metal adding portion when the clamping pieces are upwardly bent from both sides of the melting metal adding portion.

Abstract: A female fuse assembly has a fuse housing, and first and second fuse-link terminals. Each fuse-link terminal includes a clip-receiving portion, and first and second clip abutments. The female fuse assembly also includes a fuse link connected between the first and second fuse-link terminals. The first and second female clips each include a clip body for operative engagement with the respective first and second fuse-link terminals. The first and second clips each also including first and second arm-connecting extensions, and first and second arms. The first and second arm-connecting extensions of the first clip are engaged with the respective first and second clip abutments of the first and second fuse-link terminals. The first and second arms of each first and second clip each have a first and a second branch.

Abstract: A slowly-breaking fuse includes a housing made of a synthetic resin, a fuse element including a pair of terminal members for an electrical connection, and a melting member mounted between the terminal members, the melting member being smaller in thickness than the terminal member, the melting member having a narrow elongated central portion and a pair of base portions between which the narrow elongated central portion is mounted, and a cross-sectional area increased member provided at an opposite end of the melting member.

Abstract: A chain of fuse-links is made from an electrically conductive metal plate. Each fuse-link P4. has an arc-shaped fusing portion 1 and a couple of terminal portions 4, 4 constituting a pair of wing-shaped members connected to each end of the arc-shaped fusing portion 1. A carrier strap 9 has a plurality of vertical connecting pieces 8 each positioned at fixed intervals for retaining the plurality of fuse-links P4. Each of a plurality of interconnection pieces 7 is connected to the vertical connecting piece 8 at one end and connected to a side edge of specific side one of the couple of terminal portions at the other end. The other end of the interconnection piece 7' is bent so that the end edges of the couple of terminal portions 4, 4 rise above the carrier strap 9.

Abstract: There is disclosed a fusible link which obviates the need for a spacer for supporting a fuse element. An insulative housing includes an integral bottom wall through which at least one pair of through holes are formed. A fuse element extends through these through holes, and includes terminal portions and resilient retaining piece portions. The resilient retaining piece portion and the bent terminal portion holds the bottom wall of the housing, thereby retaining the fuse element relative to the housing.

Abstract: An automotive fuse inserting and attaching apparatus that has an aligning portion for aligning automotive fuses to be inserted and attached into a fuse box. The aligned automotive fuses are aligned in the same arrangement they assume when inserted and attached within the fuse box. The automotive fuse inserting and attaching apparatus includes a feeding portion for feeding predetermined automotive fuses to the aligning portion. The automotive fuse inserting and attaching apparatus further includes a hand-type inserting and attaching portion that is separable from the feeding portion, for inserting and attaching a group of automotive fuses into the fuse box by conveyably clamping with one hand the group of automotive fuses aligned by the aligning portion.

Abstract: A flip chip Surface Mount Fuse is disclosed. This fuse is comprised of a generally rectangular insulating member having a groove across its full length. A fuse element is placed inside the elongated groove and thick film metallizations are provided, through printing techniques, on opposite sides of the insulating member inside the groove to secure the fuse element and to provide termination to the insulating member. The opening of the groove is filled with an electrically insulating coating. The coating can be applied to form a time delay fuse or a fast acting fuse. Fuses can be manufactured in any desired size.

Abstract: Disclosure is a fusible link which prevents a housing from being deformed and discolored due to unnecessary generation of heat in a fuse element. In the fusible link, each of connecting plates includes two elastic engagement pieces and two projections respectively in each of ribs which are formed by folding the two ends of the connecting plate. A housing includes, in the inner wall of a connecting plate insertion hole through which the connecting plate is inserted, a connecting plate slip-off preventive stepped portion to be engaged by the elastic engagement piece and a connecting plate slip-off preventive flange against which the preventive projection is abutted. When the connecting plate is inserted through the connecting plate insertion hole, the engagement portions in the connecting plate are engaged with engagement portions in the housing respectively.

Abstract: A method of mass producing plug-in diode units includes the steps of punching areas of metal from a sheet metal body and forming the remaining areas of the body to leave longitudinally spaced, confronting pairs of laterally extending terminal blades having plug-in terminal end portions extending in different planes and opposite diode-mounting end portions in the same plane connected by webs or links to the rest of the sheet metal body. Diode elements are then soldered or welded between the diode-mounting end portions of each pair of terminal blades, and an insulating housing is molded around the diode-mounting end portions of each pair of terminal blades and the diode element secured thereto. The connecting links of each pair of terminal blades then are severed, leaving exposed severed portions of the connecting links which form accessible test points for testing the continuity of the diode element within each housing even after the terminal blades are plugged into a connector block.

Abstract: The electrical blade fuse is sealed at both the bottom and the top so that the fuse material, once melted, cannot become dislodged to short out other electrical circuits or to short out the terminals of the fuse itself. A cap of the fuse encloses the fuse cavity and is maintained in position by utilizing tab portions of the fuse terminals which are deformed to hold the cap in place, and additionally to serve as test electrodes to allow testing of the fuse in place.

Abstract: A substrate-type plug-in fuse to be directly inserted into slots of a pair of pressure terminals, including a substrate on a surface of which a fuse-forming pattern and terminal-forming patterns are provided, wherein the substrate is made of elastic material so that the terminal portions of the substrate can shrink and press against walls of the slots when inserted in the slots, thereby maintaining good conductivity between the fuse and the pressure terminals.

Abstract: A fuse assembly has a one-piece molded housing providing alignment and guiding surfaces for insertion of a generally planar fuse assembly having side elements carrying a fuse link or diode therebetween. In one version the housing has an open bottom through which terminal blades formed as extensions of the side elements extend. A load-bearing structure prevents accidental fuse element assembly withdrawal from the housing. Polarized terminals for polarized devices such as diodes are provided by twisting one of the initially coplanar blades 90.degree.. The twisted joining portion between the so rotated terminal blade and its remaining structure inside the housing is disposed completely within the housing so as to provide a flush-mounting plug-in structure.

Abstract: A fuse of the miniature or sub-miniature type with a housing of insulating material and having metal points of connection at, or in the vicinity of, two spaced ends thereof for connecting a fuse wire, and a fuse wire secured to the points of connection and stretched between them within the housing. According to the invention, at least one ridge or wall of insulating material is provided between the two points of connection in the housing so that each of the points of connection is, as it were, situated in a separate chamber. The fuse extends across the ridge and makes an angle at the passage across the ridge.

Abstract: A subminiature fuse has a housing in which more than one enclosed arc-extinguishing chambers are in series provided with partitions inbetween and one or more than one small hole communicating with the more than one arc-extinguishing chambers in series are provided at the respective partitions, a pair of lead terminals being fixed to the housing in such a manner as the respective fuse wire connecting portions of the lead terminals are accommodated in the respective opposite end arc-extinguishing chambers and the portions of a pair of lead terminals for connection with an external circuit are projected out of the housing, a fuse wire being extended between the fuse wire connecting portions of the pair of lead terminals through the small hole of the respective partitions, the opposite ends of the fuse wire being electrically and mechanically connected respectively to the pair of the lead terminals, whereby the fuse is capable of providing a high breaking characteristics and quickly melting to sever the fuse wire

Abstract: A fuse assembly has a one-piece molded housing providing alignment and guiding surfaces for insertion of a generally planar fuse assembly having side elements carrying a fuse link or diode therebetween. In one version the housing has an open bottom through which terminal blades formed as extensions of the side elements extend. A load-bearing structure prevents accidental fuse element assembly withdrawl from the housing. Polarized terminals for polarized devices such as diodes are provided by twisting one of the initially coplanar blades 90.degree.. The twisted joining portion between the so rotated terminal blade and its remaining structure inside the housing is disposed completely within the housing so as to provide a flushmounting plug-in structure.

Abstract: A subminiature fuse is disclosed comprising two terminals (20, 30), two substrates (80, 90), a fusible conductor (140), an insulating coating (180), and a unitary housing (170). The unitary housing is protected from the interrupt arc by the substrates (80, 90) and the housing (170) is sealed to provide increased mechanical strength, thus reducing the risk of a catastrophic failure of the fuse. The upper portion of the fuse terminals are shaped into finger like projections (70) adaptable to mechanically holding the fusible conductor (140) and a substrate (80), thus facilitating the manufacturing process. In one embodiment the fusible conductor and adjacent portions of the terminals and substrates are coated with a insulating coating or adhesive (180). The insulating coating (180) conducts heat away from the fusible conductor (140) during normal operation. To further protect the housing in the event of a short circuit interruption, a substrate (90) is placed between the housing and the fusible conductor.

Abstract: A fuse to be connected to cable terminals with bolts comprises an electrical insulating housing, a fuse-element disposed in the housing and a pair of fuse contacts each connected at one end to both ends of the fuse element, respectively, and the other ends of the fuse contacts being protruded from the bottom of the housing in parallel with each other, and a notch to which a bolt for connecting a cable terminal to the fuse contact is fitted therein is formed in each fuse contact, and the notch is extended from the other end of the fuse contact toward the other end thereof. The fuse can be replaced without removing the bolt due to the provision of the notches in the fuse contacts, so that the operation efficiency when replaced is improved.

Abstract: A novel fuse holder for a fuse as described for a fuse of the type having two generally flat, parallel spaced apart, oppositely disposed electrical contacts. The fuse holder comprises an insulating block and a fuse clip which is formed from a single strip of electrically conducting material and which is carried within the fuse block. The fuse clip features an elongated base member, a pair of spaced apart arms joined to one end of the base member, and a pair of springingly loaded, generally elongated, bifurcated fuse accepting contacts. Each fuse accepting contact is comprised of a flat fuse contacting section and a flat fuse accepting section.

Abstract: A subminiature fuse comprising two terminals, a substrate, a fusible conductor, ceramic coating, a second coating and a unitary housing. A ceramic substrate 80 plated at both ends is inserted into fingers (70) in terminal, a fusible wire element 10 is strung between the fingers (70) and (20, 30) and electrically connects the terminal (20, 30). The assembly 160 is encased in a ceramic adhesive 180 which is encased in a second material (200) with superior dielectric properties. The ceramic encased assembly is enclosed in a unitary housing by injection molding.

Abstract: Small plug-in electrical fuses, e.g., for automotive use are formed with a fusible link portion which is partially cut but with the walls of the cut in substantial electrical contact with each other and opposite ends of each link rigidly supported. Initial heating of the link due to current flow in excess of the fuse rating causes bending of the link to open the cut, reducing the available cross-section for current flow and therefore greatly shortening the time necessary to open the link and minimizing the total heat generated in the process.

Abstract: A fuse assembly having a casing, a fuse element made of an electrically conductive material having a low fusion point, and tab insertion sockets into which tab terminals are inserted and which are made of a highly resilient, electrically conductive material having a high fusion point, the fuse element and the tab insertion socket being combined with each other in the casing, the fuse element alone being replaced when blown at a relatively low level of heat generation.

Abstract: A plug-in fuse assembly comprises a housing made of insulating material and having relatively closely spaced vertical side walls bridges by vertical end walls and a metal plug-in fuse element having laterally spaced, generally parallel confronting terminals at the bottom thereof projecting downwardly from the bottom of said housing and upwardly extending current-carrying extensions of said terminals and a unique S-shaped fuse link extending between said current-carrying extensions. The S-shaped fuse link has about a 45.degree. angled upper and lower leg of at least about one-half the length of the central leg thereof and a width to thickness ratio of about 1/2 or less which maximizes its volume without the position contraints placed on the fuse link.

Abstract: A sub-miniature fuse comprises a plastic base, and two conductors passing through the base and being bridged by a fuse wire soldered to the conductors. For obtaining a reliable fixture of the fuse wire to the conductors a fuse wire holder is formed on each of these conductors above the base and the connection between said holder and the fuse wire positioned in the latter is secured by melting on soft solder material. It is particularly advantageous to construct the holder by rolling up or bending over the upper end of each conductor.

Abstract: A subminiature fuse is disclosed comprising two terminals, a substrate, a fusible conductor, and a unitary housing. The unitary housing is sealed and provides increased mechanical strength, thus reducing the risk of a catastrophic failure of the fuse. The upper portion of the fuse terminals are shaped into finger like projections adaptable to mechanically fastening the fusible conductor and the substrate thereto thus facilitating the manufacturing process. In one embodiment the fusible conductor and adjacent portions of the terminals and substrate are coated with a ceramic coating or adhesive. The housing is sealed by ultrasonic welding or preferably in an insert molded plastic enclosure which is substantially devoid of air.

Abstract: A subminiature fuse is disclosed comprising two terminals, a substrate, a fusible conductor, and a unitary housing. The unitary housing is sealed and provides increased mechanical strength, thus reducing the risk of a catastrophic failure of the fuse. The upper portion of the fuse terminals are shaped into finger like projections adaptable to mechanically fastening the fusible conductor and the substrate thereto thus facilitating the manufacturing process. In one embodiment the fusible conductor and adjacent portions of the terminals and substrate are coated with a ceramic coating or adhesive. The housing is sealed by utrasonic welding or preferably in an insert molded plastic enclosure which is substantially devoid of air.