US582036A - Electrical fuse cut-out - Google Patents

Electrical fuse cut-out Download PDF

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US582036A
US582036A US582036DA US582036A US 582036 A US582036 A US 582036A US 582036D A US582036D A US 582036DA US 582036 A US582036 A US 582036A
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parts
electrical fuse
fuse
fuse cut
tube
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case

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  • WITNESSES INVENTOR 2d 40 W/ILDO QBR YHNT BY M m,
  • I, lVALDO (1-. BRYANT, a citizen of the United States, and a resident of Bridgeport, Fairfield county, State of Connecticut, have invented new and useful Improvements in Electrical Fuse Cut-Outs, of which the following is a specification.
  • the object of my invention is to construct a simple form of electrical fuse cut-out which can be economically manufactured, easily applied, give reliable mechanical and electrical connections, and be free from danger in use.
  • Figure 1 is a longitudinal vertical section of my improved electricalf use cut-out,which in the form illustrated is of the type commonly referred to as fuse-bugs.
  • Fig. 2 shows the two parts of the device on their faces,which will be adjacent when the two parts are put together.
  • Fig. 3 is a transverse sectional view showing the two main parts of the bodyseparated and illustrating in connection with the upper part the manner of uniting the parts.
  • the main body of the device is made of insulating material, such as porcelain, and in two parts, of which one part is adapted to carry the fuse-wire and its terminals, while the other part carries the terminals for the electrical conductors, and the two parts are to be mechanically secured together.
  • the part A of insulating material is provided with terminals a a, to which the bared ends of the conductors O O are to be electrically and mechanically connected.
  • the other part B of the insulating-body of the device carries the terminals 5 Z), to which the fuse-wire F is electrically connected.
  • This fuse wire lies in a groove f in the inner face of the part B, Fig. 2.
  • a central threaded bolt E carried by one of the parts, (A in this instance,) passes up through a central opening in the other part, and a nut e, fitted onto the outer end of this bolt, firmly secures the two parts of the de vice together, as illustrated in Fig. 1.
  • the bolt E is secured to the part A by having a polygonal head 6, fitting a corresponding recess in the part A, and a nut c on the bolt completes the fixing.
  • One of the parts of the insulating-body, A may have flanges (Z at its opposite edges to embrace and partially inclose the other part, 13, when the two parts are connected together.
  • the terminal connections are constructed in the following manner: here each terminal is to be provided, the insulating-body is provided with an opening 2 through it, recessed or enlarged on its opposite faces at 3 and i, and aflanged metal tube 5 is fitted into the opening 2 and is of such a length that its end will project into the recess in the outer face of the insulating-body. This end of the metal tube is then flanged down on the shoulder of the opening 2, formed by the enlarged recess 3.
  • the flange 6 of the metal tube 5 is of rectangular or other polygonal outline and the recess 4: is of the same shape, in order to prevent the tube from turning in the insulating-body.
  • the interior of the tube is threaded to receive a flat-headed screw 7, thus forming the terminal for the fuse or conductor, as the case may be.
  • the fuse or conductor wire is gripped between the head of the screw 7 and the flanged end of the tube 5.

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Description

(No Model.)
W. G. BRYANT.
ELECTRICAL FUSE CUT-OUT.
No. 582,036. E Patented May 4, 1897.
i fl
FIG-2. W
Plans.
WITNESSES: INVENTOR 2d 40 W/ILDO QBR YHNT BY M m,
ATTORNEYS.
w: Mcmui I-"LTERS co. PHO10-L4IHO msnmmon. 1m:
lVALDO C. BRYANT, OF BRIDGEPORT, CONNECTICUT.
ELECTRICAL FUS CUT QUT.
SPECIFICATION forming part of LettersPatent No. 582,036, dated May 4:, 189?.
Application filed March 1, 1897. Serial No. 625,651. (No model.)
T0 to whom it may concern.-
Be it known that I, lVALDO (1-. BRYANT, a citizen of the United States, and a resident of Bridgeport, Fairfield county, State of Connecticut, have invented new and useful Improvements in Electrical Fuse Cut-Outs, of which the following is a specification.
The object of my invention is to construct a simple form of electrical fuse cut-out which can be economically manufactured, easily applied, give reliable mechanical and electrical connections, and be free from danger in use.
In the accompanying drawings, Figure 1 is a longitudinal vertical section of my improved electricalf use cut-out,which in the form illustrated is of the type commonly referred to as fuse-bugs. Fig. 2 shows the two parts of the device on their faces,which will be adjacent when the two parts are put together. Fig. 3 is a transverse sectional view showing the two main parts of the bodyseparated and illustrating in connection with the upper part the manner of uniting the parts.
The main body of the device is made of insulating material, such as porcelain, and in two parts, of which one part is adapted to carry the fuse-wire and its terminals, while the other part carries the terminals for the electrical conductors, and the two parts are to be mechanically secured together.
In the construction illustrated the part A of insulating material is provided with terminals a a, to which the bared ends of the conductors O O are to be electrically and mechanically connected. The other part B of the insulating-body of the device carries the terminals 5 Z), to which the fuse-wire F is electrically connected. This fuse wire lies in a groove f in the inner face of the part B, Fig. 2.
lVhen the two parts A and 13 of the device are put together, the heads of the terminals a and a make contact with the heads of the terminals 1) and b, respectively, as will be seen by reference to Fig. 1, so that then the circuit is completed through the fuse-wire. A central threaded bolt E, carried by one of the parts, (A in this instance,) passes up through a central opening in the other part, and a nut e, fitted onto the outer end of this bolt, firmly secures the two parts of the de vice together, as illustrated in Fig. 1. The bolt E is secured to the part A by having a polygonal head 6, fitting a corresponding recess in the part A, and a nut c on the bolt completes the fixing. One of the parts of the insulating-body, A, may have flanges (Z at its opposite edges to embrace and partially inclose the other part, 13, when the two parts are connected together.
The terminal connections are constructed in the following manner: here each terminal is to be provided, the insulating-body is provided with an opening 2 through it, recessed or enlarged on its opposite faces at 3 and i, and aflanged metal tube 5 is fitted into the opening 2 and is of such a length that its end will project into the recess in the outer face of the insulating-body. This end of the metal tube is then flanged down on the shoulder of the opening 2, formed by the enlarged recess 3. The flange 6 of the metal tube 5 is of rectangular or other polygonal outline and the recess 4: is of the same shape, in order to prevent the tube from turning in the insulating-body.
The interior of the tube is threaded to receive a flat-headed screw 7, thus forming the terminal for the fuse or conductor, as the case may be. The fuse or conductor wire is gripped between the head of the screw 7 and the flanged end of the tube 5.
I claim as my invention- An electrical fuse cut out havnig terminals consisting each of a headed screw and an interiorly-threaded flanged tube, into which the screw fits, the insulating-body having an opening to receive the tube and recessed 011 its opposite faces, one to receive the flange at one end of the tube and the other to form a shoulder over which the other end of the tube is flanged out,substantially as described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
WALDO (J. BRYANT.
\Vitnessesz HUBEET How'soN, F. WARREN WRIGHT.
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