Patent ID: 8607840
Filing Date: 2013-12-17
Classification: E06B

Abstract:
1. A roller shutter, comprising: a series of links, each of which comprising: wherein the hinge parts comprise hinge pins and bushes extending from and touching the front surface distributed at regular intervals along the longitudinal edges, and the bushes on one of the end faces are offset with respect to the bushes on another end face of a link so that the bushes of two adjacent links engage with one another, the hinge pins being loosely accommodated in the bushes, wherein said series of links are configured to be moved between a rolled up stated and an unrolled state by being moved along at least one guide rail and then rotated in a first direction with respect to one another and wherein the links are configured such that in the unrolled state, adjacent links touch each other to define a substantially flat plane, wherein the bushes, on at least one of the longitudinal edges, each define a cavity having an elongated, oval shape, viewed in a direction from one of the longitudinal edges to the other longitudinal edge, into which the hinge pins fit such that the links are moved between wherein each of the links comprises first stop surfaces that prevent rotation of the links with respect to one another in said first direction when in the closed position.