| 摘要 |
<p>A six rib spider assembly for a high voltage fuse including a dielectric housing having end caps for supporting the spider assembly within the housing and a fusable ribbon helically wound on the spider assembly. The spider assembly including three mica plates (20 A,B,C) each having a number of notches (42) in their longitudinal edge for the fusable ribbon. These support surfaces (40) on each longitudinal edge of each of the plates (20 A,B,C) being offset from the support surfaces (40) on the opposite longitudinal edge as well as from the support surfaces on each of the other mica plates (20A, 20B, 20C). Each of the plates (20 A,B,C) also including at least one longitudinal slot (34,36,38) intermediate the longitudinal edges of the plates (20 A,B,C), with one of the plates (20A) including a second slot (32), whereby the plates (20A,20B,20C) can be cross fitted into each other with the plates (20A,20N,20C) angularly related so that the support surfaces (40) define a helical path for the fusable ribbon.</p> |
