ES1027017U - Drive device for folding blinds and the like. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Actuation device for folding curtains and the like, still apply in that type of folding elements on a shaft and whose elements can be a fabric, a sheet of plastic or other laminated body susceptible to fold on a shaft, to be located, for example, by the top edge of a window, essentially it is defined for formed by functional association of three parts coupled together and housed whole in the interior of a case that one end deja emerge a elongation at which is engageable axis folding statement, while on the other end is closed by a lid attached to it, remaining between the two parts a slight gap to allow passage of a string of traccionado with multiple projections spherical equidistantly, which they are positioned in separations determined between the finned under a parallel part one of the pie zas of three composing the internal mechanism of the device; with the particularity that piece entrusted with the cylindrical portion with radial ribs, has a cylindrical shape and open at both ends, with a longitudinal opening that affects a wide sector of the same, and with two axle appendices and opposition diametral playing in sendas slots planned on the basis of a second piece that hosts the past and an intermediate part consisting of a rod with an intermediate spring secured thereto with end gifted sendas fins, kindred at one end has a small outgoing axial and starry which is received in a recess supplementary under part acting tapa, the second piece, which houses the rod and part complete with losresaltes radiales for cord traccionado, the one with an axial extension for coupling the corresponding fold axis. (Machine-translation by Google Translate, not legally binding)