Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Patent
1978-07-07
1979-08-14
Harris, George
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
337251, 337252, H01H 8560
Patent
active
041647262
ABSTRACT:
An encapsulated plug-in electrically conducting component is provided for mounting in an electrical connector. In one embodiment an elongate conducting element is transversely disposed across two spaced-apart generally parallel terminal posts and is secured at each of its ends to near the end of each post. In the preferred embodiment of the present invention, the component functions as a fuse wherein the elongate conducting element is a generally cylindrical fuse wire and wherein a solid unitary body of electrically insulating material encapsulates the fuse wire and the ends of each of the blades that are connected to the fuse wire. In another embodiment, a center portion of fuse wire is encapsulated with a thermoplastic to form a cylindrical body. The projecting end of the wire are bent over against the ends of the body. Cylindrical end caps compressively engage the body and are maintained in electrical contact with the fuse wire by solder material within the end caps.
The preferred embodiment of the fuse of the present invention is preferably formed by providing generally rectangular terminal posts in spaced-apart parallel relationship, aligning a fuse wire substantially perpendicular to said posts, soldering or clamping the fuse wire on each end to the posts, and encapsulating the assembly with a transparent thermoplastic material except for the ends of the posts opposite the fuse wire which are left projecting from the thermoplastic material for being received in connectors.
REFERENCES:
patent: 2052533 (1936-08-01), Pender
patent: 3493915 (1970-02-01), Cox
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