A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MANHOLE COVER DEVICE
Manhole cover device, of the type that is installed in at least one cover element (5) or in a frame (4) that defines a passage opening (40), said cover element (5) covering, at least partially, the passage opening (40) when it closes on the frame (4), said device comprising an elastic means (3) that fixed to the cover element (5) or to the frame (4), which in the rest position occupies a predetermined position and when closing the cover element (5), said elastic means (3) contracts due to the pressure of the cover element (5) or the frame (4) against said elastic means (3), recovering at least partially its rest position once said pressure reduces, and the cover element (5) remains locked also in the frame (4) due to the action of said elastic means (3).
MANHOLE COVER DEVICE
Manhole cover device, of the type that is installed in at least one cover element (5) or in a frame (4) that defines a passage opening (40), said cover element (5) covering, at least partially, the passage opening (40) when it closes on the frame (4), said device comprising an elastic means (3) that fixed to the cover element (5) or to the frame (4), which in the rest position occupies a predetermined position and when closing the cover element (5), said elastic means (3) contracts due to the pressure of the cover element (5) or the frame (4) against said elastic means (3), recovering at least partially its rest position once said pressure reduces, and the cover element (5) remains locked also in the frame (4) due to the action of said elastic means (3).
MANHOLE COVER DEVICE
SCHACHTABDECKUNGSVORRICHTUNG
DISPOSITIF DE REGARD DE CHAUSSÉE
ORTEGA ALCALÁ ANTONIO (author) / GIL HERNÁNDEZ MIQUEL (author) / VERDÉS BALSEBRE JOSEP (author)
2016-11-23
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen