ES110685U - A blocking and security device for doors of a rollable type. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A blocking and security device for doors of a rollable type. (Machine-translation by Google Translate, not legally binding)
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Operating, Guiding And Securing Of Roll- Type Closing Members
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Storage Of Web-Like Or Filamentary Materials
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Abstract
A locking and security device for doors of the reel type characterized in that it comprises a fixed body provided with an internal cylindrical housing for receiving a helical spring tending to expand against the internal walls of said housing surrounding an internal part mounted on the motor shaft of the vehicle. Device for actuating the roll-up door and partially to a second piece mounted rotatably on said axis and which is elastically connected to the coupling for the axis of the roll-up door by exerting said helical spring against the internal walls of its housing a blocking action . (Machine-translation by Google Translate, not legally binding)
ES110685U1964-12-221964-12-22
A LOCKING AND SECURITY DEVICE FOR ROLLER-TYPE DOORS.
ExpiredES110685Y
(en)