ES1002972U - Twin perfected (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Twin improved essentially characterized by being formed from a sleeve preferably cylindrical, the outer surface may be smooth, add embossed or adopt any shape, cap entering your front mouth slightly throttled, and a groove perimetral inner in the vicinity of your mouth posterior housing said cap in your breast to a plunger, embodied in a partition semiclindrico, diameter considerably less than the bore cap, which by its front end expands in a front discoid diameter in accordance with the inner diameter of such cap while you for your inner edge does in a semiarandela, which significantly exceeds the semicircle and defining a receptacle, lateral mouth to access your within the appropriate button when the nucleus mobile is displaced back, being provided perimeter definid the step or between your body and forehead discoid, constitutes the seat one end of a spring coupled coaxially to nucleo mobile spring whose other end rests on a pressure washer or circlip that engages after the core assembly mobile and dock in the throat perimetral inner cap, all so that said spring tends to project the nucleus mobile and dock in the throat perimetral inner cap, all so that said spring tends to project the nucleus moving forward to a situation limit on the front discoid latter and fill the narrowed opening cap, situation in which the lateral mouth of nucleus mobile inaccessible, said plunger sliding backwards, against dela tension spring, when made direct pressure over his forehead discoid limit to another and unstable situation in which side of such embouchure mobile nucleus is accessible for introducing or remove button on your breast. (Machine-translation by Google Translate, not legally binding)