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.)
PARAGON DOORS Ltd
Original Assignee
PARAGON DOORS Ltd
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 PARAGON DOORS LtdfiledCriticalPARAGON DOORS Ltd
Priority to ES341941ApriorityCriticalpatent/ES341941A3/en
Publication of ES341941A3publicationCriticalpatent/ES341941A3/en
Maneuvering device for a swing-and-lift type door, said maneuvering device comprising a constant-torque spring motor, including a first drum mounted on a drive shaft, a second drum mounted on a rotating shaft about a parallel shaft to said drive shaft, a tape spring on said drums, one end of the spring being anchored to the first drum, and the other end of the spring being free, and a drive pulley on the drive shaft, whereby they can be arranged flexible linking means for securing them to the door, in drive transmission relation with the drive shaft. (Machine-translation by Google Translate, not legally binding)
ES341941A1967-06-171967-06-17Driving device for a door of elevatory type. (Machine-translation by Google Translate, not legally binding)
ExpiredES341941A3
(en)