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Krafft & Schuell K G
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Krafft & Schuell K G
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Application filed by Krafft & Schuell K GfiledCriticalKrafft & Schuell K G
Publication of ES314100A1publicationCriticalpatent/ES314100A1/en
Operating, Guiding And Securing Of Roll- Type Closing Members
(AREA)
Abstract
Device for the activation of blinds, with fixed and stretchable connection of the rods and with a balance spring incorporated to be tensioned by the own weight of the blinds, characterized in that the spring itself is combined with an automatic effect ratchet and alternating, for example an alternative friction pawl having two friction jaws rotatable about a bearing journal such that when the shutter is lowered in the course of the last revolution, the spring is tensioned on its own by the rotational energy of the rods and the shutter cylinder, so that all the slits between the shutter bars are closed and the elastic reverse rotation of the shutter cylinder is prevented. (Machine-translation by Google Translate, not legally binding)
ES0314100A1964-06-121965-06-11Device for the operation of blinds. (Machine-translation by Google Translate, not legally binding)
ExpiredES314100A1
(en)
Rotating device of manual action, applicable to the descent of mercury and other matters on clinical thermometers. (Machine-translation by Google Translate, not legally binding)