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Collapsible sea anchor
   
Document Number
US Patent 5241922
Issued Date
September 7, 1993
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Abstract
The invented sea anchor is made from two sheets of flexible material sewn together to create a generally frustum-shaped body. The body is collapsible and has a first end defining a first opening of a predetermined dimension and a second end defining a second opening of a predetermined dimension smaller than the predetermined dimension of the first opening. The anchor includes at least one fin mounted on, projecting outward from, and extending in an axial direction along the frustum-shaped body. The anchor also includes a flexible stiffener encircling a portion of the first opening. The anchor may also include strapping joined to and extending transversely and axially across the frustum-shaped body. The transversely extending strapping may interconnect a plurality of fins.
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Collapsible sea anchor - US Patent 5241922 Drawing
Drawing from US Patent 5241922
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Number of Claims:
4
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Published
September 7, 1993
Application Number
07/789,092
Filed
November 7, 1991
US Classification
114/311   D12/215
Int'l Classification
B63B   21/48   (20060101)   B63B   21/24   (20060101)  
USPTO Field of Search
114/294   114/311   244/113   244/145R   244/1TD   244/138R  
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Description
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