New Trolley Wire Clamp

New Trolley Wire Clamp.

One of the principal features in the installation of electric roads is the proper construction of the appliances for connecting the trolley wire to the span wire. Objections have been made to the ordinary means of holding the trolley wire, because it has been necessary in many cases either to solder the connections which necessarily weakens the wire, or to hammer together the sides of the clamp, which may cause trouble and delay in adjusting the position of the insulator. To obviate these and other disadvantages, the

Trolley Wire Clamp.

Electric Merchandise company, Chicago, have just placed on the market the Brewster clamp shown in the cuts. Figures 1 and 2 show the clamp which is made of two sections of hard brass riveted together with a steel pin. After the clamp has been placed upon the trolley wire and closed, the insulator is screwed down upon it, firmly holding the wire without soldering or hammering, and presenting a perfectly smooth surface to the trolley. Figures 3 and 4 show a clamp attached to the Standard trolley wire insulator. The clamp, however, can be used on any trolley hanger.