LIFERAFT

• US 3,574,875 A
• Filed: 11/25/1968
• Issued: 04/13/1971
• Est. Priority Date: 11/25/1968
• Status: Expired due to Term

• Current Assignee: Tulett Arthur George
• Original Assignee: Tulett Arthur George
• Inventors: TULETT ARTHUR GEORGE
• Application Number:
  US04/778,460
• Time in Patent Office: 869 Days
• US Class Current: 441/38
• CPC Class Codes: B63C 2009/042 inflatable
• CPC Class Codes: B63C 2009/046 reversible, i.e. deployable in upright or upside down positions
• CPC Class Codes: B63C 9/02 Lifeboats, life-rafts or the like, specially adapted for life-saving floatable furniture B63C9/30; boats in general B63B; inflatable vessels B63B7/00; equipment for handling lifeboats or the like B63B23/00; rafts B63B35/58

Abstract

An inflatable liferaft is provided with an inflatable strut. The strut is in the form of a double-walled sleeve which permits erection of the strut on either side of the floor of the raft.

Claims

1. An inflatable reversible strut in a liferaft, comprising a generally cylindrical double-wall inflatable open-ended sleeve formed of impermeable flexible material and having a base end and a distal end, said base end being peripherally attached to the inner periphery of an aperture in the floor of a liferaft, said distal end being open and having a canopy secured around the periphery thereof, said canopy being releasably securable at its outer periphery to the outer periphery of the liferaft, said canopy and said strut being adapted to be reeved through the center of said strut and through the aperture in the liferaft floor.

2. A strut as in claim 1, said strut being provided with a valve on each of the sides of the sleeve whereby to facilitate deflation and inflation of the sleeve from either side.

3. A strut as in claim 2, wherein the double walls of the sleeve are formed into parallel interconnected reeds shaped and separated by V-strips as permeable separating means, said walls being formed of rubber-coated nylon or cotton cloth having one to three plies.