초록 ▼

This invention relates to a recoverable tethered platform system and to a tethered platform for use therewith. One end of a tether line is retained at a surface station while the majority of the line is initially mounted on a mandrel in the platform and is drawn from this mandrel as the platform des

This invention relates to a recoverable tethered platform system and to a tethered platform for use therewith. One end of a tether line is retained at a surface station while the majority of the line is initially mounted on a mandrel in the platform and is drawn from this mandrel as the platform descends. This permits more rapid descent of a platform since there are substantially no line drag forces to overcome during descent. During recovery, the line can be wrapped on a mandrel which is the same as the mandrel in the platform and this rewound mandrel may then be substituted for the empty mandrel in the platform for redeployment.

대표청구항 ▼

A recoverable tethered platform comprising: a mandrel; a line wrapped on said mandrel; a payload; a body having at least two sections in which said mandrel and said payload are mounted; said line being fed from the mandrel as the platform is deployed; means for securing the distal end of the line to

A recoverable tethered platform comprising: a mandrel; a line wrapped on said mandrel; a payload; a body having at least two sections in which said mandrel and said payload are mounted; said line being fed from the mandrel as the platform is deployed; means for securing the distal end of the line to the platform, whereby the platform may be recovered; and means for permitting the two sections of said body to be sufficiently separated to permit an empty mandrel to be removed after recovery and replaced with a new mandrel having line wrapped thereon.