A device for pre-loading a spring of a rolling curtain

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Abstract

A device (D) for pre-loading a pre-loading spring (MP) of a rolling curtain that can be installed between said curtain and a lateral end piece (11) for fixing the curtain to a load-bearing structure, characterized in that it can be installed coaxially at at least one end of a screen tube (TR) on which a rolling curtain or a rolling mosquito screen is rolled and in that it comprises, in combination: an external support (1) on which there can be fitted the screen tube (TR), having a toothed inner area with a substantially saw-tooth profile; a spring pin (6) fitted at the end of the pre-loading spring (MP); a snap-action spring (5) that is substantially constituted by a bushing with one or more saw-tooth external teeth, designed to undergo elastic deformation in a radial direction and cooperate with said internal toothed area of the external support (1); an engagement pin (2); and an internal bushing (4); wherein said elements are positioned coaxially with respect to one another and share the axis of the rolling curtain.

Classe Tecnologica

E - Fixed constructions

Patent Office

European Patent Office

Numero Deposito

EP 2899359

Anno Deposito

2015

Anno Concessione

2015

Inventori Pugliesi

  • Schettini Antonio Valentino

Tutti gli inventori

  • Schettini Antonio Valentino

Titolari pugliesi

  • L'Angellotti Angelo

Tutti i titolari

  • L'Angellotti Angelo