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Industria Metalurgica Amat SA
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Industria Metalurgica Amat SA
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Application filed by Industria Metalurgica Amat SAfiledCriticalIndustria Metalurgica Amat SA
Priority to ES1976219715UpriorityCriticalpatent/ES219715Y/en
Publication of ES219715UpublicationCriticalpatent/ES219715U/en
Application grantedgrantedCritical
Publication of ES219715YpublicationCriticalpatent/ES219715Y/en
Operating, Guiding And Securing Of Roll- Type Closing Members
(AREA)
Blinds
(AREA)
Abstract
Lifting arrangement of rolling shutters of the type comprising a register box, a winding shaft housed in said casing, a coaxial pulley with said shaft located at one of its ends, a drive belt linked by its first end to said pulley, a brake device for said belt and a box with recoil spring linked to the second end of the driving belt and able to promote the collection thereof from its second end, characterized in that the box with recoil spring has a coaxial stump of smaller diameter, around which it is possible to collect the tape from its second end, said box with spring being located inside the registration box and mounted with the possibility of rotation in a support that is also of the pulley so that said stump and the throat of the pulley are substantially comprised between the same planes perpendicular to the tree of a winding. (Machine-translation by Google Translate, not legally binding)