Security device for street chains (Machine-translation by Google Translate, not legally binding)

摘要

Security device (2) for blind chains coupled to a chain command (10) of a rail (13) characterized in that it comprises: - a front casing (3) and a rear casing (4), where the front casing (3) comprises a coupling means (5) to the chain command (10) of the rail (13), - a piece (7) housed between both housings (3, 4) comprising two faces, where: - a first face comprises a transmission wheel (8) for actuating the movement of a transmission gear (11) of the chain command (10), and - a second face comprises a toothing (9) for receiving the chain (12), Wherein the coupling means (5) are configured to decouple from the chain command (10) when a force in the vertical direction with respect to the ground equal to or greater than a predetermined threshold is applied to the chain (12). (Machine-translation by Google Translate, not legally binding)