BACKREST STRUCTURE FOR A VEHICLE SEAT, AND VEHICLE SEAT
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United States of America Patent
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Issued Date -
Dec 22, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 17, 2013
priority date (Note) -
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Abstract
A backrest structure for a vehicle seat (1) includes a flat base sheet (30) and another structural part (20, 40) which are connected to each other by at least one laser weld seam (50) using a laser welding procedure. In a process, at least one tongue (28, 36, 38) of the base sheet (30) is bent by 180 DEG in the region of the weld seam (50) and placed on the remaining base sheet (30). The at least one weld seam (50) connects the bent tongues (28, 36, 38), the remaining base sheet (30), and the other structural part (20, 40) to one another. A vehicle seat (1) is also provided with such a backrest.
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Family
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