A fuse block with a fuse formed of a single piece of fusible metal having a narrowed mid-section and wider end tongues which electrically couple the fuse block to disconnect terminals of an electrical system. A plastic housing covers the portions of the tongue adjoining the mid-section. The housing has...http://www.google.com.au/patents/US4837546?utm_source=gb-gplus-sharePatent US4837546 - Fuse block
