H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/132
H01H 85/04 (2006.01) H01H 85/041 (2006.01)
Patent
CA 1247174
ABSTRACT A plug-in fuse assembly comprises a housing made of insulating material and having relatively closely spaced vertical side walls bridged by vertical end walls and a metal plug-in fuse element having laterally spaced, generally parallel confronting terminals at the bottom thereof projecting downwardly from the bottom of said housing and upwardly extending current-carrying extensions of said terminals and a unique S-shaped fuse link extending between said current-carrying extensions. The S-shaped fuse link has a 45° angled upper and lower leg of at least about one-half the length of the central leg thereof and a width to thickness ratio of about 1/3 or less which maximizes its volume without the position contraints placed on the fuse link. The current-carrying extensions have upper vertical outer margins which are inwardly offset from a given point to the tops thereof with respect to the corresponding vertical outer margins of the plug-in fuse element below the same, to provide clearance spaces for the downward passage of the vertical end walls of the housing, so that the overall width of the fuse is not significantly increased, if at all, by the housing end walls.
488779
Littelfuse Inc.
Smart & Biggar
LandOfFree
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