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Spring arrangement for a recreational structure
   
Document Number
US Patent 7396318
Issued Date
July 8, 2008
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Abstract
A spring arrangement for a trampoline includes a rebounding surface, a frame structure having a top portion and a bottom portion, and a plurality of spring members that are mechanically coupled between the rebounding surface and the frame structure. A first group of spring members are mechanically coupled to the top portion of the frame structure and a second group of spring members are mechanically coupled to the bottom portion of the frame structure. In one exemplary embodiment, the spring members of the first group and the second group are alternately arranged along the frame structure. In another exemplary embodiment, the frame structure is formed by a plurality of frame members.
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Number of Claims:
30
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Owner
CA06, LLC (Portland, OR)
Published
July 8, 2008
Application Number
10/908,470
Filed
May 12, 2005
US Classification
482/27  
Int'l Classification
A63B   5/11   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
USPTO Field of Search
482/26   482/27   482/28   482/29   482/74   482/77   473/421   5/233   182/139 D   21/797  
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