Device for locking and unlocking a lid or cover on a frame...

Details Device for locking and unlocking a lid or cover on a frame... Device for locking and unlocking a lid or cover on a frame...

E - Fixed Constructions

05

B

E05B 35/00 (2006.01) E02D 29/14 (2006.01)

Patent

CA 2581385

La présente invention concerne un dispositif de verrouillage et de déverrouillage à l'aide d'une clé d'un tampon ou couvercle sur un cadre. Le dispositif est caractérisé en ce que le verrou (6) comprend un ressort hélicoïdal de torsion (30) monté concentriquement sur le rotor (13) du verrou (6) en ayant l'une de ses extrémités en appui sous le tampon (1) et son extrémité opposée solidaire du rotor (13) de manière à exercer sur ce dernier un couple de forces de rappel du verrou (6) à sa position de verrouillage. L'invention trouve application dans le domaine de la voirie.

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