A marine deflector handling system includes a seismic survey vessel with a deflector towing sheave with a towing line to a seismic deflector bridle block. The bridle block includes, as counted from its outer end to its inner end: two triple head arms with each its triple head in their outer ends for fore and aft sets of bridle lines to a deflector, wherein said triple head arms in their inner ends are coupled together in a hinge bearing block which further holds an outer end of a grip adapter stem, wherein said grip adapter stem in its opposite, inner end is provided with a grip adapter axle block with a transverse through extending and protruding grip adapter axle arranged for being gripped by a crane jaw, wherein said grip adapter axle further holds an outer end of a sheave block stem with an inner end provided with a sheave block for said towing line.
DEFLECTOR GRIP ADAPTER, DEFLECTOR AND SYSTEM FOR LAUNCHING AND HAULING OF SUCH A DEFLECTOR
2016-05-05
Patent
Elektronische Ressource
Englisch
Deflector grip adapter, defector and system for launching and hauling of such a deflector
Europäisches Patentamt | 2018
|