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Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
PERFECTED ELECTRODE HOLDER CLAMP which is characterized by having a cylindrical connection core in which front part has a longitudinally arranged vertical through groove which has the part closest to the front end formed by a channel with vertical angular section or with a suitable inclination according to its use and because a prismatic clamp piece shorter than the slot is fitted to this slot, which has the front edge of angular section in such a way that it fits in the angular channel of the nucleus and whose edge is replaced by another concave angular channel forming two contact edges; This jaw piece has recesses in the upper and lower edges where a guide bushing fixed by means of a screw to the jaw fits. The rear end of this bushing is threaded and is coupled in a nut integral to a knob of circular section of insulating material located in the central part of the nucleus surrounding it; the previously described set is wrapped in a cover of insulated material front which has two through holes drilled at the top and bottom diametrically opposite or offset according to the inclination of the core channel and front edge of the jaw piece and because the back of the core is wrapped with an insulating material sheath that serves as handle through which the connection cable that is clamped in the core passes. (Machine-translation by Google Translate, not legally binding)