AXIALLY CENTERED QUARTER-TURN FIXING DEVICE

Claims

1. Fastening device (1), of the quarter-turn type, for fastening a part (2) to a support (3), the fastening device (1) comprising: - a head (11) carrying the part (2), the head (11) being intended to rest on a first face of the support (3); - a supporting foot (12) connected to the head (11) and extending along a main axis (A), the supporting foot (12) being designed to axially penetrate an opening (31) in the support (3), the opening having a peripheral edge, so as to arrange the fastening device (1) in an insertion position having a first angular orientation, the supporting foot (12) comprising at least one flexible retaining tab (13) for resting on a second face of the support (3) when the fastening device (1) is angularly displaced from the insertion position to a locking position having a second angular orientation; the fastening device (1) being characterized in that the flexible tab (13) carries a lug (15) for bridging the gap that may exist between the supporting foot (12) and the edge of the opening (31) and thus recentering the fastening device (1) in the opening (31) when it is angularly displaced from the insertion position to the locking position.

2. Fastening device (1) according to the preceding claim, wherein the head (11) comprises at least one blocking element (16) intended to occupy the opening (31) in the support (3) when the fastening device (1) is in the locking position.

3. Fastening device according to the preceding claim, wherein the blocking element (16) is arranged at an angle of 90° with respect to the flexible tab (13).

4. Fastening device (1) according to any of claims 2 to 3, wherein the blocking element (16) consists of a pair of parallel ribs connected to the supporting foot (13).

5. Fastening device (1) according to any of the preceding claims, wherein the base of the flexible retaining tab (13) is secured to a plate (17) that projects from the outer surface of the supporting foot (12) and is arranged in a plane perpendicular to the main axis (A).

6. Fastening device (1) according to any of the preceding claims, wherein the end of the flexible tab (13) is free and can be deformed in a direction perpendicular to the support (3).

7. Fastening device (1) according to any of the preceding claims, wherein the flexible tab (13) has an initial inclination that is not orthogonal to the plate (17).

8. Fastening device (1) according to any of the preceding claims, wherein the supporting foot (12) is provided with at least one guide rib (14).

9. Fastening device according to any of the preceding claims, wherein the lug (15) has a base connecting it to the flexible tab (13) and a top, the dimensions of the top being smaller than the dimensions of the base.