A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concealed door operator
The invention regards a concealed door operator (1), comprising a housing (2), an operating unit (3) provided within the housing (2), and stiffening means (9) provided on at least one face (6, 7, 8) of the housing (2), and extending substantially over the whole length of the housing (2) in longitudinal direction.
Concealed door operator
The invention regards a concealed door operator (1), comprising a housing (2), an operating unit (3) provided within the housing (2), and stiffening means (9) provided on at least one face (6, 7, 8) of the housing (2), and extending substantially over the whole length of the housing (2) in longitudinal direction.
Concealed door operator
Verborgener Türbetätiger
Opérateur de porte invisible
LEONG JACKSON (author) / TAM WEEKONG (author) / KARTHIKEYAN PAPAIYAN (author)
2016-03-09
Patent
Electronic Resource
English
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung