Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pirelli SpAfiledCriticalPirelli SpA
Priority to ES0016496UpriorityCriticalpatent/ES16496Y/es
Publication of ES16496UpublicationCriticalpatent/ES16496U/es
Application grantedgrantedCritical
Publication of ES16496YpublicationCriticalpatent/ES16496Y/es
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Power-Operated Mechanisms For Wings
(AREA)
Abstract
Un cierrapuertas automático accionado por muelle de goma solicitado a torsión caracterizado por el hecho de que las extremidades de una pieza de goma (cilíndrica o de cualquier otra forma) están sólidamente fijadas por medio de brazos y ménsulas a la puerta y a su bastidor de modo tal que, abriendo la puerta, la pieza sea solicitada a torsión y por reacción cierre aquella.