US1716326A - Electric connecter - Google Patents

Description

J 4, 1929. E. J. SCHLATTER 1,716,326 Q ELECTRIC CONNECTER Filed June 8, 1926 g g au ng ell) Patented June 4, 32929.

unit-ran stares EDWARD J. SCHLATTER, or BROOKLYN, new YORK.

ELECTRIC GONNECTER.

Application filed June 8, 1926.

My invention relates to improvements in connecting devices for carrying electric current, and more particularly to the connecting devices for connecting an electric wire to some other member where the current is not sufficiently heavy to melt soft metal. It is a common practice to make these connectors of lead or lead alloy, and one common use of such connecters is as a means of connecting a charging wire to the lead plate of a secondary battery. The most common form of connector of this kind has the metal melted around the wire so that the latter is practically cast in, and when the connection is broken, as by a broken wire, the whole thing bein cheap is thrown away. The object of my invention is to produce a simple inexpensive and highly efficient connecting device which can be used like the connecters above referred to, and in fact for making any connection where a heavy current is not used, and which can be re-used to a large extent and with great convenience. My invention is intended to produce a connecter having its body of low melting point, having a convenient means for introducing a wire and securing it, and having the securing means of such a nature that it will imbed itself in the wire and make a positive and secure connection but by means of the removable fastening medium, to the end that if the wire is broken a new wire can be easily substituted. lhe invention is also intended to produce a structure which can be conveniently applied to a battery plate or to many other devices where connection is desired. In general the invention is intended to form a better connecter for low voltage currents than has heretofore been used, and one that can be renewed a great many times.

Reference is to be had to the accompanying drawings forming a part of this specification, in which similar reference characters indicate corresponding parts in all the views.

Figure 1 is a plan view of the connector showing my improvements.

Figure 2 is a cross section on the line 22 of Figure 1 showing the connection with a battery plate.

Figure 3 is a side elevation'of the device, and

Figure 4 is a side elevation taken at right angles to the view shown in Figure 3 and with the fastening plug removed.

Serial No. 114,469.

The device is made of metal having a low melting point, such as lead or an alloy of lead, and it preferably has a head portion 10 shaped like a hammer head with a thickened part or collar 11 through which is a tapered hole 12 to receive the fastening plug 15. At right angles to the head portion 10 and integral therewith is a shank 14: having a bore 13 extending throughout its length and connecting with the bore 12. Thus a connecting cable 16 may have its end part 17 bared as usual, and this portion may be thrust through the bore 13 and into the bore 12. If now the plug 1 1 is forced firmly into the bore 12, it will jam the end portion 17 of the connecting wire between itself and the wall of the bore 12, and as both the plug and wall are of soft metal, the wire will be imbedded in the two, and an absolutely sure non-shakable connection made. If, however, it is desired to disconnect the parts, it is only necessary to knock out the plug 15, which can be readily done because of its tapered construction, and the part 17 will be free so that a new connection can be made without destroying the connecter, or a connection can be renewed at any time.

As a'means of fastening the connecter to a part to which current is to be led, the head 10 has at one end a hard metal spur 18 which is tapered at its extremity as shown at 19, and which can therefore be readily forced into another member, as for example the pin 20 of a battery plate 21.

Obviously the particular design or form of v the structure is not important, although I find this design very convenient as it gives the connecter suflicientbody without undue weight, and by having the parts shaped and arranged as described, it can be very conveniently grasped and applied. Also the means of applying the head to the part with which it is to connect can be changed without affecting the invention, but for the purposes for which these soft metal connections are generally used, the hard metal'spur is desirable, and simple and as it is cast into the head 10 the electric connection is perfect.

1. A connecter comprising a soft metal body having an elongated head with a transverse tapering bore through the middle there of, a shank intersecting the head and with a bore intersecting the first mentioned bore, a

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plug of soft metal fitting the first mentioned connecting Wire between itself and the body, bore, and a hard metal spur on one end of-the and a hard metal spur on one face of the body 10 head. v r and substantially at right angles With the axes 2. A oonnecter comprismg a body of metal of the intersecting bores. 5 softer than the'conneoting Wire having trans- In testimony whereof, I have signed my verse intersecting bores one adapted to receive name to this specification this 13 day of May, a connecting Wire and the other a plug, a soft 1926.

metal plug Wedging into one bore to Wedge a EDlVARD J. SCHLATTER.

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