Abstract: An electronic module for a power tool having an electric motor is provided including a printed circuit board (PCB), an inverter bridge circuit, a first conductive track disposed on the PCB and coupled to the power source, a second conductive track disposed on the PCB and coupled to the inverter bridge circuit, and a fuse strap provided between the first conductive track and the second conductive track. The fuse strap includes a main body spaced apart from the PCB, a first mounting portion mounted on the first conductive track via a first solder joint, and a second mounting portion mounted on the second conductive track via a second solder joint.

Abstract: The invention relates to a fuse holder comprising two housing elements which, once assembled, together form a tube in which a support for a fuse is accommodated. Each of the two housing elements comprises a contact for establishing an electrical contact with a terminal of a fuse housed in the support, when the support is installed between the assembled housing elements. The support may comprise means to ensure the correct position of each contact in its respective housing element. The support may also comprise means to ensure the correct orientation of the fuse in the support. The support may also comprise means for retaining a seal ensuring sealing between the two housing elements.

Abstract: A device for holding an electric fuse assembly having a fuse carried by a first end fuse holder and a second end fuse holder. The assembly includes a first housing section having a cavity formed therein for receiving the first end fuse holder and a second housing section having a cavity formed therein for receiving the second end fuse holder. An end of the second housing section is adapted to be separably coupled with an end of the first housing section by placing an interior surface at the end of the first housing section into overlapping engagement with an exterior surface of the second end fuse holder and an interior surface of the second end fuse holder into overlapping engagement with an exterior surface at the end of the first housing section. Such a coupling functions to provide a moisture resistant seal.

Abstract: A high power fuse includes a fuse body having a first terminal receptor including a first set of terminal legs and a second terminal receptor in spaced relation to the first terminal receptor. The second terminal receptor includes a second set of terminal legs. A fuse element is disposed between the first terminal receptor and the second terminal receptor. A first clamp-like member is mounted to the fuse body for applying a predetermined compression force against the first set of terminal legs and is configured to secure a first male terminal between the first set of terminal legs. A second clamp-like member is mounted to the fuse body for applying a predetermined compression force against the second set of terminal legs and is configured to secure a second male terminal between the second set of terminal legs.

Abstract: A high power fuse includes a fuse body having a first terminal receptor including a first set of terminal legs and a second terminal receptor in spaced relation to the first terminal receptor. The second terminal receptor includes a second set of terminal legs. A fuse element is disposed between the first terminal receptor and the second terminal receptor. A first clamp-like member is mounted to the fuse body for applying a predetermined compression force against the first set of terminal legs and is configured to secure a first male terminal between the first set of terminal legs. A second clamp-like member is mounted to the fuse body for applying a predetermined compression force against the second set of terminal legs and is configured to secure a second male terminal between the second set of terminal legs.

Abstract: A fuse base assembly for electrical fuses, including an electrical bus on which a load end fuse clip of the end-user's choice can be attached. The electrical bus is provided with means for attaching the selected load end fuse clip in a linearly adjustable manner such that the end user can adjust the spacing between the line and load end fuse clips as required for the desired fuse. The electrical bus is also provided with a load terminal attaching point such that wiring between the load device and the fuse is easily accomplished.

Abstract: A fuse apparatus (1) is provided for selectively interrupting a load current (Ia) flowing between a pair of associated conductor leads. The fuse apparatus includes at least two spaced apart electrically conductive contact elements (5) operatively connected with the associated conductor leads. A fuse element (7) is connected to the contact elements (5) using an electrically conductive connection material (9) to allow the current (Ia) to flow between the pair of associated conductor leads. The connection material (9) is adapted to electrically disconnect the fuse element (7) from the contact elements (5) when the current (Ia) exceeds a predetermined current intensity. The connection material (9) has an intrinsic electrical transition resistance characteristic whereby the material develops a temperature in proportion to an intensity of the current. The connection material melts as the current increases to separate the fuse element from the contact elements.

Abstract: A cylindrical fuse holder assembled by uniting a molded holder body and a molded cap between which a fuse tube is steadily held by means of a socket movable axially in the holder, a coil spring for pressing the socket so as to bring the socket in contact with a side contact piece in the holder body, and another coil spring for pressing the fuse tube. The socket pressing spring for urging the socket is integrally connected to the fuse tube pressing spring. Thus, this fuse holder can be composed of a small number of parts, assure high stability of electrical connection, and be used in safety.

Abstract: A connection terminal includes a pair of connection portions interconnected through a fusion portion, and each of the connection portions is defined by a bottom plate, opposite side plates formed respectively on opposite sides of the bottom plate, and a top plate. A spring portion extending from the top plate is folded back from a front side thereof to be disposed within the connection portion so that a mating connection terminal can be held between the spring portion and the bottom plate. The connection terminal is stamped from an electrically-conductive metal sheet in such a manner that the spring portion extending from the top plate is extended along and disposed generally adjacent to the fusion portion before the spring portion is folded back.

Abstract: A holder for a tubular safety fuse providing an insulating ring that surrounds the safety fuse which prevents short circuits during removal of the fuse. It can occur that when the safety fuse blows, an axially displaceable contact piece which is wired to a first terminal welds to a back contact cap of the safety fuse. When the safety fuse is thereafter pulled, there is a risk that the back contact cap, adhering to the displaceable contact piece, will come into electrical contact with a middle contact which is wired to a separate terminal pin. If the first terminal pin and the separate terminal pin are at different electrical potentials a sparking can result. The insulating ring prevents this electrical contact between the back contact cap and the middle contact.

Abstract: A fuseholder socket assembly including a side terminal with preferably a pair of helical knob contact finger-engaging surfaces for initially guiding a knob for movement in both axial and circumferential directions toward a locking position where a pair of J-shaped knob contact fingers can interlock with a socket body side terminal with not more than about one-half turn of the knob. The assembly includes a pair of axially inwardly facing abutment shoulders preferably formed by a pair of rigid channel-forming fixed fingers projecting from the side terminal and against which knob contact fingers are urged by a biasing means when the knob is turned into a final locking position and then released. Good electrical contact is preferably achieved by a pair of body side terminal outwardly axially projecting, radially outwardly deflectable resilient contact arms.

Abstract: A bayonet lock for retaining the knob of a fuseholder to an axial-insertion fuseholder body is formed by camming surfaces disposed in the walls of grooves formed in the walls of the insertion passage and on the surfaces of a knob extension which enters the passage. The engaging surfaces of the lock are of insulating material. Axial insertion and rotation of the knob retains an inserted fuse. Camming surfaces are provided so that upon rotation of the fuseholder knob in an unlocking direction, these camming surfaces cause an automatic outward ejection of the fuseholder knob. Additional camming surfaces are provided to assist in insertion so that when operator pressure is released from the knob, the knob compression spring forces the knob axially outward into engagement therewith, the surfaces being configured to provide a force urging the knob in the locking direction.

Abstract: An electrical connector has an arrangement for holding and connecting at least one fuse cartridge within the body of the connector, the arrangement including a fuse cartridge holder slideably received within a recess in the connector body, in a rectilinear manner, and secured in place in the connector body by a selectively disengageable latch mechanism.

Abstract: The fuse holder contains a socket and a head member loosely seated in the socket by a quick release closure, and can be removed along the lengthwise axis of the fuse holder. Seated in the socket at its closed end is a base contact containing a connection tab and a lateral contact having a connection tab. At the head member, the closed end of which is located at the open end of the socket, there is provided a substantially U-shaped, asymmetric connection conductor fixedly clawing into the head member by retaining flaps provided at a web portion of the connection conductor. The unequal legs of the connection conductor extend from the web portion at an inclination inwardly at a predetermined location towards the lengthwise axis of the fuse holder to an internal contact location for a first cap member of the fuse insert. A second cap member thereof is pressed by an axial compression spring against the base contact.

Abstract: A safe and simple fuse replacement device whereby facile exchange of fuse can be achieved by means of the introduction of the replacement fuse onto a tripper that will jump outwards as it is subjected to elastic pressure transferred by a spring mechanism.