Patent ID: 9212034
Filing Date: 2015-12-15
Classification: B63B,B66D

Abstract:
1. A chain wildcat configured for removable attachment to an end of a drive shaft in an anchor handling winch comprising an intermediate piece with an inner central part and a plate-like part radially extending from the inner central part, wherein the plate-like part is configured for attachment to the drive shaft by a sleeve-shaped part, wherein the intermediate piece, the plate-like part and the sleeve-shaped part rotate as one unit on the drive shaft, and wherein the intermediate piece is connected to the chain wildcat by disengageable fasteners that connect the plate-like part to the chain wildcat such that the chain wildcat rotates freely after disengagement of the disengageable fasteners, the intermediate piece comprising an additional central part configured for fixed connection to the drive shaft; wherein the disengageable fasteners are hydraulically, pneumatically or electrically activated by input via a swivel or slip ring connection, and wherein there are at least three disengageable fasteners spaced apart equidistantly in the radial direction on the plate-like part; or wherein, between the chain wildcat and the inner central part of the intermediate piece, the disengageable fasteners are provided in the form of explosively releasable bolts, the intermediate piece further including a radio receiver for remote detonation of the bolts with the aid of radio signals.