Patent ID: 8752497

Claim:
An anchor device comprising: a connecting member between an anchor and its anchor line, having a first part designed to be fastened to one end of a shank of the anchor and a second part extending axially and designed to be fastened releasably to the first part and to be connected to the anchor line; releasable locking means and counter-means between the first and second parts; the locking means and counter-means including an annular piston which is slidable in a cavity of the second part and which, by its movement relative to the second part in the cavity, causes the release of the locking means and counter-means; and a body designed to be removably applied onto the anchor line and dropped by sliding along the anchor line until it interacts with the annular piston, thus releasing the locking means and counter-means; wherein the piston is slidable axially in the second part in a direction parallel to the direction of sliding of the body and is directly subject to the action of the body.