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Shipment pallet for heavy and sensitive equipment

  • US 5,195,439 A
  • Filed: 03/24/1992
  • Issued: 03/23/1993
  • Est. Priority Date: 03/24/1992
  • Status: Expired due to Fees
First Claim
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1. A shipment pallet for heavy and sensitive equipment, comprising:

  • (a) a first deck board, and(b) a first, a second, and a third stringer affixed to the said first deck board, the said second stringer being disposed between the said first and the said third stringer, and(c) a first foam cushion comprised of 2 pounds per cubic foot density polyethylene affixed to the top of the said first stringer as a means for absorbing shock, and(d) a second foam cushion comprised of 9 pounds per cubic foot density polyethylene affixed to the top of the said second stringer as a means for damping vibration, and(e) a third foam cushion comprised of 2 pounds per cubic foot density polyethylene affixed to the top of the said third stringer as a means for absorbing shock, and(f) a second deck affixed to the said first cushion, the said second cushion and the said third cushion, wherein the density of the second cushion is greater than the density of the first cushion and the density of the third cushion, and(g) the densities of the first cushion and the third cushion arc the same, and(h) the said first stringer, said second stringer, and said third stringer are parallel to each other, and(i) the first stringer and the third stringer are placed equidistant from the second stringer, whereby the tri pod construction with a denser, stiffer cushion centrally located underneath the second deck board, parallel to and equidistant from two less dense, softer cushions, produces the desired effect of reducing shock forces without the associated increase in vibration forces.

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