A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A floor spring includes a case, a damper assembly received in the case, and mixed powder filling a space inside the case covering the damper assembly. The damper assembly includes a spindle extending outwardly from the case. The mixed powder can prevent water, dust, or insects enter the case, such that the damper assembly is not tend to rust or fail.
A floor spring includes a case, a damper assembly received in the case, and mixed powder filling a space inside the case covering the damper assembly. The damper assembly includes a spindle extending outwardly from the case. The mixed powder can prevent water, dust, or insects enter the case, such that the damper assembly is not tend to rust or fail.
Floor spring and assembly method thereof
Bodentürschliesser und Montageverfahren dafür
Ferme-porte automatique integre dans le sol et son procédé d'assemblage
BAI BAOKUN (author)
2016-07-20
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
Floor spring assembly type adjustable support and mounting method thereof
| European Patent Office | 2020
| European Patent Office | 2021