ACOUSTICALLY TUNED SEATING ASSEMBLY
First Claim
Patent Images
1. A vehicle seat assembly comprising:
- a frame;
a cushion supported on the frame; and
a non-cloth trim material secured over the cushion, the non-cloth trim material having at least one slitted region capable of providing a sound absorption for the seat assembly of at least 3.25 sabines at 1,250 Hz according to ASTM C423, the slitted region comprising a plurality of laser scored slits having an average width of less than 4.0 mm, an average length of 0.25 to 8 mm, and an open area of 0.10 to 30%.
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Abstract
The present invention relates to an acoustically tuned vehicle seat assembly comprising a frame, a cushion supported on the frame, and a non-cloth trim material secured over the cushion, the non-cloth trim material having at least one slitted region having a plurality of scored slits.
18 Citations
20 Claims
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1. A vehicle seat assembly comprising:
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a frame; a cushion supported on the frame; and a non-cloth trim material secured over the cushion, the non-cloth trim material having at least one slitted region capable of providing a sound absorption for the seat assembly of at least 3.25 sabines at 1,250 Hz according to ASTM C423, the slitted region comprising a plurality of laser scored slits having an average width of less than 4.0 mm, an average length of 0.25 to 8 mm, and an open area of 0.10 to 30%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A vehicle seat assembly comprising:
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a frame; a cushion supported on the frame, the cushion having a first sound absorption characteristic; a fibrous layer having a second sound absorption characteristic greater than the first sound absorbing characteristic, the fibrous layer comprising a non-woven polymeric fibrous pad having a thickness of 2 to 25 mm, a weight of 1 to 16 oz/ft2; and a leather trim material secured over the cushion, the leather trim material comprising; at least one slitted region having a plurality of laser scored slits having an average width of less than 4.0 mm and an average length of 0.25 to 8.0 mm; and at least one non-slitted region adjacent the slitted region, with the non-slitted region being substantially free of slits; wherein the slitted region is located in an area of the trim material where noise is likely to deflect and the fibrous layer is separate from the trim material and is located between the cushion and the slitted region of the trim material.
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18. A method of manufacturing vehicle seat assembly, said method comprising:
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providing a cushion assembly comprising a cushion supported on a frame; and securing a non-cloth trim material over the cushion supported on the frame, the non-cloth trim material having at least one slitted region having a plurality of scored slits having an average width of less than 4.0 mm, an average length of 0.25 to 8.0 mm, and a percent open area of 2 to 25%. - View Dependent Claims (19, 20)
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Specification