Patent ID: 9534620
Date: 2017-01-03
CPC Classifications: F16B,Y10T

Claim:
1. A fastening device for fastening a panel to a wall with a high resistance to pulling off, comprising a male member to engage on the panel at least indirectly and a female member to engage on the wall, the male member and the female member being configured for the female member to be able to receive and retain the male member releasably, characterized in that: in order for the female member to receive and retain the male member, the male member comprises a foot having a spike which narrows from a shoulder towards a distal end of the foot, while the female member comprises a cavity for reception of said spike and an elastic part extending across the cavity, which is configured to bend in contact with the spike, on a thrusting-in movement of the foot into the cavity, and to relax when the spike has passed beyond the elastic part in order to arrive opposite the shoulder to prevent the withdrawal of the spike from the cavity; to release the male member from the female member, the female member comprises an actuating part to dispose the elastic part clear of the shoulder of the foot, the actuating part projecting radially outwards from the female member; for the female member's engagement on the periphery of an aperture of the wall having a contour having two crenels facing each other and two circle arcs facing each other and each extending from one to the other of the crenels, the female member comprises, rearward of the actuating part, a butt configured to extend through the aperture, the butt having: to index the angular position of the female member in relation to the wall, in order for the actuating part of the female member to be turned towards an outside edge of the wall, each insertion fin has a different contour from the contour of the other insertion fin.