Patent ID: 6250243
Filing Date: 2001-06-26
Classification: B63B

Abstract:
An arrangement for turning a turret on a ship characterized in that the turret is provided with a rim having a flange arrangement which is provided with at least one slide that can glide along the flange arrangement and optionally be locked on the rim, the slide being driven by a hydraulic cylinder acting between the slide and the structure of the ship, the slide, together with the related hydraulic cylinder forming one unit of a pair of such units, the two units acting in substantially opposite directions on the rim and preferably being controlled by a mutual control system that can cause one of the hydraulic cylinder units to remain locked while the other unit is moved by its hydraulic cylinder, the slide being lockable to the rim by means of a pawl arrangement which is rotatably mounted on the slide and can engage with apertures in the rim.