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    • 9. 发明专利
    • Improvements in and in connection with Fusible Electric Cut-outs.
    • GB190213267A
    • 1903-06-11
    • GB190213267D
    • 1902-06-11
    • BURKE WILLIAM PETER
    • BURKE WILLIAM PETER
    • 13,267. Burke, W. P June 11. Cut-outs.-Consists of a fusible cut-out in which the fuse wire d is fixed at one end and is connected at the other end with a sliding block e normally held under tension by a spring f, so that, when the wire burns out, the ends will be widely separated. The wire d preferably passes over a notched bridgepiece g, and it may also be slightly notched at this point to ensure breaking there. The sliding block e may be provided with projections which engage grooves in the sides of the cavity b. The casing may be fitted with a cover provided with holes for the admission of air and escape of gases. Modified forms are described in which springs are employed at both ends of the fuse wire, which is either straight, or is bent horizontally round a bridgepiece, so that the springs are parallel to each other. Fig. 8 shows the application of the invention to a cut-out provided with a handle, the handle z being attached by screws z after the fuse has been set. The fuse may be applied also to other forms of cut-outs and switches.