Abstract: A fuse circuit assembly (1) includes: a linking plate (11) configured to carry a current input from an input part (14), the linking plate (11) having a shape tapered with distance from the input part (14) in a flow direction of the current input from the input part (14); a plurality of fusible members (12) each configured to be fused by a current of a predetermined magnitude flowing through each fusible member (12); and a plurality of terminals (13) connected to the linking plate (11) through the plurality of fusible members (12) from locations of the linking plate (11) positioned at intervals in the flow direction.

Abstract: A fusible link unit (1) includes a battery (5) with a battery post (3) projecting on an upper surface of the battery (5), a fuse unit (9) arranged on the upper surface of the battery (5) and having a battery terminal (7) connected to the battery post (3), and a fuse cover (11) covering an outer circumference of the fuse unit (9). A deck board (13) is arranged above the fuse cover (11) so as to be capable of being opened and closed. The fuse cover (11) is fixed by being held between the battery (5) and the deck board (13) in a closed state of the deck board (13).

Abstract: Provided is a fusible link unit (electrical component unit) including a fusible link (electrical component), a battery terminal fixed to an electrode post (electrode) of a battery, and a support member formed as a different body from the battery terminal and fixed to the battery, the support member supporting the fusible link (electrical component), in which the fusible link (electrical component) includes a main link body (main electrical component body) and a power supply terminal made of conductive metal to be exposed from the main link body (main electrical component body) and electrically connected to the electrode post (electrode) through the battery terminal, and the support member supports the main link body (main electrical component body) such that the main link body extends in an orthogonal direction substantially orthogonal to an installation surface portion.

Abstract: A connection portion of a locking member is bent such that the connection portion is made apart from a second upper surface portion as the connection portion is made apart from a first arm portion, and is bent such that the connection portion is made apart from a side surface portion as the connection portion is made apart from a second arm portion. Even when a tolerance is generated in a direction substantially orthogonal to the side surface portion at the time of installing a base body in an installation surface portion of a battery, it is possible to absorb the tolerance by deforming the connection portion, and to lock a locked portion in a lower end edge.

Abstract: Provided is a fusible link unit in which a case includes case-side locking portions to be locked in a fusible link so as to affix the fusible link, the fusible link includes fusible link-side locking portions locked in the case-side locking portions, the fusible link-side locking portion on one side in a longitudinal direction is provided closer to a connected position of a bus bar than the fusible link-side locking portion on the other side in the longitudinal direction, and a gap size between the fusible link-side locking portion on the one side and the case-side locking portion in a vertical direction is made greater than a gap size between the fusible link-side locking portion on the other side and the case-side locking portion in the vertical direction.

Abstract: A fusible link includes a power supply portion provided on a connection terminal that connects to a battery terminal, a circuit terminal that connects to a circuit, a power-supply side upstanding portion standing in an out-of-plane direction of a terminal mounting surface from an edge substantially parallel to an extending direction of the battery terminal out of an outer circumferential edge near the power supply portion of the connection terminal, a circuit-side upstanding portion standing in the same direction as the power-supply side upstanding portion from an edge substantially parallel to the extending direction out of an outer circumferential edge of the circuit terminal, and a bridge portion extending between the power-supply side upstanding portion and the circuit-side upstanding portion. The power-supply side upstanding portion, the circuit-side upstanding portion, and the bridge portion function as a fuse element that fuses when a current greater than a threshold value flows.

Abstract: A fusible link includes a power supply portion provided on a connection terminal that is formed of conductive metal and connects to a battery terminal; a circuit terminal that is formed of conductive metal in a plate shape and connects to a circuit; and a fuse element that is formed of conductive metal, connects the power supply portion and the circuit terminal in a belt-like shape that is narrower in width than the power supply portion and the circuit terminal, and fuses when a current equal to or greater than a threshold value flows, and in the fusible link, the fuse element has a shape projecting in an out-of-plane direction of a terminal mounting surface of a battery.

Abstract: A fixed mold and a movable mold as joined together are configured to nip a terminal base of a tuning-fork terminal between a terminal base receiving portion and a terminal base abut portion with the tuning-fork terminal being protruded outside a cavity of the fixed mold.

Abstract: A battery terminal includes a terminal main body provided in opposed plates thereof as a pair, formed by folding approximately in a U shape a strip plate made of a conductive metal, respectively with electrode insertion holes in which a rod-like electrode projecting from a terminal attaching surface in a battery is sequentially inserted, and formed to extend toward an outer edge of the terminal attaching surface at time of being connected to the rod-like electrode, and a joint joining the pair of the opposed plates in a state in which the opposed plates surface-contact and overlap each other on an opposite side of a folded part as seen from the electrode insertion hole.

Abstract: A battery terminal includes a terminal body and a component terminal. The terminal body is connected to a rod-like electrode which projects from a terminal mounting surface of a battery and extends toward an outer periphery of the terminal mounting surface. An external fuse (electrical component) is connected to the component terminal. The terminal body and the component terminal are formed by being cut integrally from a single plate made of a conductive metal.

Abstract: A molding method includes: setting a bus bar at a first mold main body portion of a fixed mold by supporting a terminal base of a tuning-fork terminal with a terminal base receiving portion of the fixed mold in a state where the tuning-fork terminal is protruded outside a cavity formed by the first mold main body portion of the fixed mold and a second mold main body portion of a movable mold being joined together; joining the movable mold together with the fixed mold by abutting an abut step portion of the movable mold to a receiving abut step portion of the fixed mold and nipping the terminal base of the tuning-fork terminal with the terminal base receiving portion and a terminal base abut portion of the movable mold; and injecting resin into the cavity in the nipped state.

Abstract: In a fusible link, a fuse element integrally formed with a metallic plate includes a battery coupling plate and two external coupling plates. The battery coupling plate is couple to a battery terminal. The external coupling plates are coupled through fusible parts to connecting plates extending to both sides of the battery coupling plate. Three resin housings support the fuse element so as to expose the connecting plates among the housings adjacent to each other. The installation configuration of the fuse element can be selected depending on the space on the battery side, thereby achieving increased flexibility of and reduction in the space for the fusible link mounted on the battery.

Abstract: A busbar includes a plurality of main terminals (upstream side terminal, downstream side terminals) and one auxiliary terminal conductively connected to one of the main terminals and is press-formed in an integrated manner. The auxiliary terminal is connected to the main terminals through connection bars which are all cut off, except for one, in a cutting process after a pressing process, and the circuit configuration can be changed by selectively cutting off the connection bars. Therefore, there is no need to change the shape of a press die, and the production efficiency can be improved using a die having a uniform shape.

Abstract: A terminal connection portion of a bus bar includes a first locking portion and a second locking portion. An electric connection plate portion of a connecting terminal, a rear end portion of which is fixed to an end portion of an electric wire, is curved and convex in a direction facing the terminal connection portion, and a first engaging portion formed at a distal end portion is locked by the first locking portion. A second engaging portion formed on a wire fixing side is locked by the second locking portion in a state in which the electric connection plate portion is pressed on the terminal connection portion.

Abstract: In an arrangement configuration of bus bars including a plurality of bus bars having a connecting portion provided at a center portion thereof and a housing integrally molded while exposing the connecting portions of the plurality of bus bars, the bus bar has a pair of bending portions that is bent so that both edge sides come close to each other, the plurality of bus bars is arranged in parallel to each other so that the pair of bending portions is located adjacent to each other, and the housing is integrally molded so as to cover the pair of bending portions of each of the plurality of bus bars.

Abstract: A fixed mold and a movable mold as joined together are configured to nip a terminal base of a tuning-fork terminal between a terminal base receiving portion and a terminal base abut portion with the tuning-fork terminal being protruded outside a cavity of the fixed mold.

Abstract: A mold structure includes a fixed mold and a movable mold to bury a bus bar having a main body circuit unit with a tuning-fork terminal along with molding of a resin molded product. The fixed mold and the movable mold being joined together are configured to nip a terminal base of the tuning-fork terminal between a terminal base receiving portion of the fixed mold and a terminal base abut portion of the movable mold in a state where the tuning-fork terminal is protruded outside a cavity which is formed by mold main body portions of the fixed mold and the movable mold being joined together and into which resin is injected.

Abstract: A fusible link includes a fuse portion that has a first resistance portion and a second resistance portion which are formed of a fusible metal conductor. The first resistance portion has a fusible portion which is provided in proximity to a connecting portion of the first resistance portion with the second resistance portion. The fusible link further includes a metal chip whose melting point is lower than a melting point of the fusible metal conductor. A ratio of resistance values of the first resistance portion and the second resistance portion is set so that a heat concentration portion of the fuse portion whose temperature is increased by an overcurrent in a rare-short-circuit range is shifted to a part of the first resistance portion which excepts the fusible portion.

Abstract: In a connection structure of a battery terminal, including a battery terminal to be connected to a battery and a fuse unit to be mounted to the battery terminal through a fixing section, the connection structure being provided between the battery terminal and the fuse unit, the battery terminal is provided with a regulating protrusion formed in a protruding manner, while the fuse unit is provided with a plurality of regulating grooves, into one of which the regulating protrusion is made to engage so as to position a mounting position of the battery terminal to the fuse unit.

Abstract: In a connection structure of a battery terminal, including a battery terminal to be connected to a battery and a fuse unit to be mounted to the battery terminal through a fixing section, the connection structure being provided between the battery terminal and the fuse unit, the battery terminal is provided with a regulating protrusion formed in a protruding manner, while the fuse unit is provided with a plurality of regulating grooves, into one of which the regulating protrusion is made to engage so as to position a mounting position of the battery terminal to the fuse unit.