Patent ID: 8619496

Claim:
A marine seismic survey apparatus employing seismic equipment comprising: an array streamers; lead-in cables and an outermost tow rope for towing said array of streamers, paravane for keeping the streamers at a given mutual distance by lateral tensioning, and a bridle unit for connecting the paravane to the array of streamers, the lead-in cables and the outermost tow rope, wherein said bridle unit comprise at least one solid link device designed for a releasable connection to lines under tension and extending in different directions, and said link device comprising a central bar having at one end at least one rotatable plate carrying at least one sheave and configured for the insertion of eye splices, and at the other end a hinged multiple fastener configured for fastening paravane ropes, thereby allowing the bar to align with a sum of vector forces present in connected ropes or cables at either bar end.