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 Bruno GolescufiledCriticalBruno Golescu
Priority to RO117528ApriorityCriticalpatent/RO92242B1/ro
Publication of RO92242A2publicationCriticalpatent/RO92242A2/ro
Publication of RO92242B1publicationCriticalpatent/RO92242B1/ro
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Power-Operated Mechanisms For Wings
(AREA)
Abstract
Dispozitivul pentru închiderea usilor, coform inventiei, este alcatuit dintr-un numar de piese redus utulizând un arc elicoidal cilindric caruia i se imprima un moment de torsiune controlat, functie de greutatea unei foi de usi asupra careia pentru deschidere a fost utilizata o forta exterioara.
RO117528A1985-02-041985-02-04DISPOZITIV PENTRU îNCHIDEREA USILOR
RO92242B1
(ro)