Beds – Mattress – Having confined gas
Patent
1993-01-27
1996-12-24
Milano, Michael J.
Beds
Mattress
Having confined gas
5453, 5713, A47C 2710
Patent
active
055863485
ABSTRACT:
An air mattress includes an underlay (1) and a number of elongate first elements (2), filled with air and fastened to the bottom part of the mattress parallel to each other and transversally against the lengthwise direction of the mattress. The first mattress elements (2) form upward directed arched structures from their cross-section when inflated with air. The mattress also includes a number of elongate air-inflatable resilient second elements (9), in connection with the first mattress elements (2). Each first element (2) is at least partly around each second element (9) outside the first element. Each first mattress element (2) includes at least one first fastening member arranged in the lengthwise direction of the mattress element and a corresponding second fastening member arranged on the underlay (7). The fastening members are removably attached to each other, so each mattress element is unfastened from the underlay and change another. A method for adjusting an air mattress includes a step of partly filling the mattress elements (2; 9) with air. The mattress pressure corresponds to the surrounding pressure when the mattress elements are not subjected to a weight load, but the mattress pressure grows according to the weight load, so that the mattress elements conform to the contours of the weight load, and simultaneously the surface pressure against the weight load is distributed evenly over the whole weight load, such as a human body or part thereof.
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"Carital Optima" mattress brochure by Ahlstrom Corporation published in Jun., 1992 (4 pages).
Olkkonen Kari
Toivio Ilkka
Toivio Terttu
Ahlstrom Consumer Products Ltd.
Milano Michael J.
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