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Apparatuses And Processes For Manufacturing Resistors
(AREA)
Adjustable Resistors
(AREA)
Abstract
An improved potentiometer-rheostat, which integrates a wound ribbon inserted into the circular box of an insulating cube-base and with the ends provided with the respective terminals of the socket, said cube being provided in turn with a central passage with a widening that carries solidly coupled a cap with the fillet that serves to screw in its protruding part the nut and mounting nut of the potentiometer-rheostat in the consumption apparatus; a fixed central terminal comprising, on the internal part of the cube-base, an insulating plate that closes the two outlets with the wound ribbon, a metallic sheet that in turn presses on said closing insulating plate, and a brush, properly said; and an axis of government that rotates by manual action in the central passage of the cube-base and the bushing thereof, said shaft carrying the inner end graphite and pressed in an insulating disk, which consists of a lateral projection that makes a stop at the end of the stroke with the relative projection of the cube-base and carries a cantilever over which is also pressed a collector washer that is in lateral contact with the brush of the fixed central connection at the same time that it is carrier of the cursor that slides on the belt coiled (Machine-translation by Google Translate, not legally binding)
Perfections in disconnectors for high voltage electrical installations, with articulated arm movement (Machine-translation by Google Translate, not legally binding)