Method of manufacturing a backrest structure for a vehicle seat and backrest structure obtained by this method
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United States of America Patent
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-
Mar 5, 2002
Grant Date -
N/A
app pub date -
Dec 6, 1999
filing date -
Dec 4, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A backrest structure for a vehicle seat comprises two hydroformed, tubular, horizontal crosspieces and vertical uprights engaged without any clearance in orifices punched into these crosspieces during hydroforming.
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Cited Art Landscape
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