Patent ID: 9378911
Filing Date: 2016-06-28
CPC Classification: H01H

Claim Text:
1. A fuse comprising: a conductive fuse element including a pair of connection terminals formed by bending two ends of a conductive wire rod parallel to each other, and a meltable portion provided between the pair of connection terminals and formed to have a smaller cross-sectional area than the remainder of the fuse element; and an insulative shape retaining member fixed to the pair of connection terminals of the fuse element and retaining a shape of the fuse element, each of the pair of connection terminals having a press-fit lock portion and a tapered portion, the press-fit lock portion having tiny projections protruding from a surface of the connection terminal, and the tapered portion being tapered forward to a tip end of the connection terminal, and the pair of connection terminals are press-fitted into and fixed to the shape retaining member at the press-fit lock portions, wherein the insulative shape retaining member includes: in a first insertion position, the pair of connection terminals go into a terminal insertion hole of a fuse container box and the pair of lock portions of the shape retaining member hit peripheral edges of the terminal insertion hole; and in a second insertion position further inserted than the first insertion position, the pair of lock portions are elastically deformed and allowed to be inserted into and pass through the terminal insertion hole and the block portion of the shape retaining member hits a base plate of the fuse container box and the pair of lock portions are elastically restituted and locked with peripheral edges, on an opposite face side, of the terminal insertion hole.