Acoustically tuned seating assembly
First Claim
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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.
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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 cover secured over the cushion, the leather trim cover 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 vehicle seat assembly comprising:
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a seat frame securable to a vehicle frame; a cushion supported directly on the seat frame; and a flexible non-cloth seat cover secured directly over the cushion, the non-cloth seat cover 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, 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 (19, 20)
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Specification