Abstract: A plug-in fuse element comprises a one-piece plate-like body of fuse metal which forms parallel terminal blade portions having current-carrying extensions connected by a fuse link portion. For high current rated fuses, the fuse link portion extends between the current-carrying extensions at points much closer to the terminal blade portions than to the outer ends of the current-carrying extensions. An insulating body, preferably forming a housing, is rigidly anchored between the current-carrying extensions. The insulating body is preferably staked to the current-carrying extensions of the plug-in fuse element, there being anchoring apertures provided in the current-carrying extensions for the staking projections produced thereby. The anchoring apertures are located in the current-carrying extensions beyond the point where the fuse link portion joins the current-carrying extensions.

Abstract: A method for making plug-in fuse elements of different desired fuse ratings comprising the steps of providing a blank of fuse metal which is initially provided throughout its length with a continuous portion of reduced thickness having a fixed thickness dimension for making fuses of a variety of fuse ratings, and blanking the blank of fuse metal to contain a pair of laterally spaced terminal blade portions, current carrying extensions thereof and an interconnecting fuse link portion of reduced thickness having a fixed thickness dimension located in a platelike body of a plug-in fuse element. The interconnecting fuse link portions of fixed reduced thickness dimension, provided by the blanking of the blanks of fuse metal are arranged in desired locations and desired configurations including width and length dimensions, to provide the different desired fuse ratings.

Abstract: A method is disclosed for making a plug-in fuse assembly like that disclosed and claimed in U.S. Pat. No. 3,909,767, granted Sept. 30, 1975 for Miniature Plug-In Fuse and having different desired fuse ratings. The method comprises the steps of providing a blank of fuse metal which is initially provided throughout its length with a continuous central portion of reduced thickness having a fixed thickness dimension for making fuses of a variety of fuse ratings, and blanking the blank of fuse metal to contain a pair of laterally spaced coplanar terminal forming blade portions which are interconnected by a transverse web of reduced thickness having a fixed thickness dimension, coplanar current carrying extensions thereof and an interconnecting fuse-forming link portion of reduced thickness having a fixed thickness dimension located in a coplanar platelike body of a plug-in fuse element.

Abstract: In a switch, a combination plunger and actuator member is resiliently floatingly mounted within a guideway in a handle member for movement toward and away from said handle member and which rocks with the pivoting of said handle member. There is provided stationary fulcrum-forming means against which a follower portion of said combination plunger and actuator member is resiliently urged, the shape of one of said fulcrum-forming means and follower portion being such that the distance of the outer end portion of said combination plunger and actuator member from said handle member varies as the handle member is moved between a first and a second position thereof. The combination plunger and actuator member has a spring engaging portion which engages a movable contact carrying member for moving the same between positions where said movable and stationary contacts are respectively in and out of engagement as the handle member is moved between said first and second positions thereof.