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load bearing surface

A load bearing and load bearing technology, applied in the field of elastic load bearing surfaces, can solve problems such as unsatisfactory elastic fibers

Active Publication Date: 2018-02-09
ILLINOIS TOOL WORKS INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, elastane may not be ideal for all applications

Method used

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Embodiment Construction

[0041] figure 1 A load bearing surface 10 according to one embodiment of the invention is presented. figure 1The load bearing surface 10 shown in is a molded membrane which can be hung from a supporting structure such as a seat frame (not shown). The load bearing surface 10 comprises different bearing properties in different directions. For example, a load bearing surface may provide significant elastic bearing force in the X direction while having only weaker bearing force in the Y direction. This "decoupling" of the bearing properties of the load-bearing surface provides a high level of comfort. For ease of disclosure, the invention will be described in connection with various alternative embodiments primarily intended for use in seating applications. However, the present invention is not limited to seating applications and it may find application in other load bearing applications as well. The support characteristics of the molded membrane are highly adjustable, thereby...

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Abstract

An elastomeric load bearing surface with different load support characteristics in different directions. In one embodiment, the surface includes an elastomeric membrane that is oriented in only a single direction, for example, by compression or stretching. In another embodiment, the surface includes mechanical structures, such as connectors, variations in thickness and apertures, that vary the load support characteristics in different directions. In another aspect, the present invention provides a multilayer load bearing surface in which the layers cooperate to provide a controlled force / deflection profile that is variable in different regions of the surface. In one embodiment, the upper layer includes a plurality of loosely connected nodes and a lower layer having a plurality of resilient elements that separately support each node.

Description

[0001] This application is a divisional application of an invention patent application with an application date of June 13, 2005, an application number of 200910134828.5, and an invention title of "load bearing surface". And the invention patent application with the application number 200910134828.5 and the invention name "load bearing surface" is a division of the invention patent with the application date on June 13, 2005, the patent number ZL200510077011.0 and the invention name "load bearing surface" Apply. technical field [0002] This invention relates to load bearing surfaces and more particularly to resilient load bearing surfaces such as the seat or back of a chair or bench, or the bearing surface of a bed, cot or other similar product. Background technique [0003] Efforts are continually being made to develop new and improved load bearing surfaces. With regard to load bearing surfaces in general, the main purpose of this effort is to obtain a durable and inexpens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47C5/12A47C7/14A47C7/28A47C7/74
Inventor 蒂莫西科菲尔德丹尼尔 S·萨默菲尔德约瑟夫 D·沃德
Owner ILLINOIS TOOL WORKS INC