Patent ID: 7108298

Claim:
A locking device for a cover which is locked by a first push and unlocked by a second push, said device comprising: a case open at one of ends thereof; a sliding member engaged in said case and moveable with respect to said case in a sliding direction, said sliding member comprising a body and two opposed elastic claws which, when not urged, are maintained apart from each other, wherein said device has a locked position when the sliding member is inserted in the case with two opposed faces of the case holding the two claws brought towards each other, and a release position with the two opposed faces of the case freeing the claws; a spring being arranged between the body of the sliding member and the case, and urging the sliding member towards the release position; the case having a work face provided with an elastic leg moveable in the plane of said work face, the elastic leg being provided with a follower projecting towards an inside of the case; the sliding member having, parallel to said work face, a planar cam surface from which projects, towards the work face, a central island about which is formed a cam track for the follower, wherein the follower, with respect to the island, is in a captive position when the device is in the locked position and in a free position when the device is in the release position; and on the first push, the follower passing from the free position to the captive position by a first path on the cam track and, on the second push, the follower passing from the captive position to the free position by a second path distinct from the first path; wherein said follower, while traveling on the first and second paths, moves in the plane of said work face from one of the two opposed faces of the cases towards the other, and vice versa; and wherein said elastic leg comprises two branches each attached to a corner of the work face, the two branches joining together at the follower.