Patent ID: 8100073

Claim:
A coupling and decoupling device for a sail of a ship which is equipped with a roller furling boom, the sail having a luff which is hoisted and furled using smooth-running mast guiding slides along a mast guiding path on a rear side of a mast, comprising: luff holders provided as binding links between button rivets of a luff of the sail, which are folded over in a luff belt, and mast guiding slides, each luff holder comprising a horizontal base plate, which is mounted so it is horizontally pivotable to both sides on a connection link of a provided mast guiding slide, and having a fixed jaw protruding perpendicularly downward and an easy-closing spring-loaded opposing closure jaw, to fix the button rivets, an opening rotational axis of the jaws, which is parallel to the base plate, being received in a jaw bearing bush lying above the base plate, the jaw bearing bush being fixedly connected to the base plate and having an opening geometry parallel to the luff belt guided in between the jaws, a forced locking unit being provided for the fixed closure of the two jaws to one another, which locking unit comprises an eccentric axis having a contact pressure cog on an eccentric stub, mounted in a locking unit bearing bush, which is fixed so it is pivotable parallel to the jaw bearing bush under the base plate around a fastening bolt having a nut, and a spacer finger protruding downward from each base plate of the luff holder for spacing apart the closure jaw from the fixed jaw of the particular luff holder underneath upon reefing of the sail.