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Priority to ES1970159732UpriorityCriticalpatent/ES159732Y/en
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Publication of ES159732YpublicationCriticalpatent/ES159732Y/en
Potentiometer, characterized essentially by the fact of being constituted by a cup-like electroinsulating box with a neck protruding from the internal face of its bottom, the internal face of the box being provided with two adjacent longitudinal ribs that form mounting stops for the annular resistance of the potentiometer, while the neck has a metallic bushing whose edge protrudes from the upper end thereof, and in its orifice an axis provided with two diametrically opposed projections is rotatable, in which corresponding seats are articulated, formed in a elastic metal ring which in turn is supported, by orthogonal points with respect to said seats, against the resistance and the collar of the neck, the shaft also being provided with a radial projection cooperating with the longitudinal ribs of the box to limit the extreme positions of the brush. (Machine-translation by Google Translate, not legally binding)