Infant child restraint system
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jan 19, 2012
app pub date -
Jan 11, 2011
filing date -
Jan 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An infant car seat having an outer shell, a protective layer, and a padded fabric cover covering the protective layer is disclosed. The protective layer is preferably made of a polymer, such as expanded polystyrene, and includes a plurality of crush ribs. The spacing of these crush ribs is varied in accordance with the size of the infant. The spacing of these crush ribs determines the stiffness of the layer. In other words, closer spaced ribs offer more resistance to compression, and are therefore stiffer. Ribs that are spaced further apart offer less resistance to compression, and are therefore softer. By varying the spacing of the ribs, the stiffness of the protective layer varies in accordance with the infant's size. Alternatively, or additionally, the width of the crush ribs can be varied to achieve a similar result.
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Family
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