This mechanism is intended for being located in the inner escutcheon of the lock and its purpose is to minimize the forces transmitted, thereby preventing premature wear, as well as being able to be adaptable to any lock. The sealing system can be coupled to a second structural element. When the mounting member is attached to the body, the first rib abuts against the other of the shaft portion and the shaft receiving portion. In other words, the phase never becomes less than about 45 degrees at a strain amount of about 0.