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.)
Renau Olivella Luis
Original Assignee
Renau Olivella Luis
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 Renau Olivella LuisfiledCriticalRenau Olivella Luis
Priority to ES105992UpriorityCriticalpatent/ES105992Y/en
Publication of ES105992UpublicationCriticalpatent/ES105992U/en
Application grantedgrantedCritical
Publication of ES105992YpublicationCriticalpatent/ES105992Y/en
An improved elevator of the type consisting of an endless screw with an external protective tube essentially characterized in that said protective tube is constituted by two semi-cylindrical parts with respective longitudinal fins on their edges provided with elastic joints; from whose fins the rear ends in a set of hinges supported by a supporting column parallel to the axis of the endless screw of the elevator while the front have lateral expansions where fasten with the possibility of rotation flanges in "U" with motors of pressure to effect the closing of the two pieces of the protective tube. (Machine-translation by Google Translate, not legally binding)
ES105992U1964-04-281964-04-28
Perfected elevator
ExpiredES105992Y
(en)