E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 29/14 (2006.01)
Patent
CA 2527610
This invention concerns a device permitting a plug or a cover to lock in a detachable manner onto a frame. In accordance with the invention, the metal washer (9), interposed between the screw head (4) and the mounting surface (7) formed at the bottom of the housing (5) of the cover (2), includes two radial wings diametrically opposite (9a) working together with internal parts (13) of the housing (5) butting and preventing a rotation of the washer (9) during tightening of the fastening screw (3). The invention has applications for public roadways.
La présente invention concerne un dispositif permettant de verrouiller amoviblement un tampon ou un couvercle sur un cadre. Selon l'invention, la rondelle métallique (9), interposée entre la tête de vis (4) et la face d'appui (7) formée au fond du logement (5) du couvercle (2), comprend deux ailettes radiales diamétralement opposées (9a) coopérant avec des parties internes (13) du logement (5) formant butées et empêchant une rotation de la rondelle (9) lors du serrage de la vis de fixation (3). L'invention trouve application dans le domaine de la voirie.
Dutilleul Philippe
Tievant Philippe
Mcfadden Fincham
Norinco
LandOfFree
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