Energy absorbing structure
Patent 4545172 Issued on October 8, 1985. Estimated Expiration Date: 
October 8, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 8, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 164566 1618476 2493562 3466733 3482367 3831997 Kinetic energy absorbing pad Patent #: 4227593 InventorAssigneeApplicationNo. 06/414259 filed on 08/09/1982US Classes:52/783.14, Juxtaposed corrugated sheets280/784, Having impact absorbing means296/187.03, Impact296/187.08, Floor (i.e., underframe)52/738.1Having shell-like outer layerExaminersPrimary: Murtagh, John E.Assistant: Ford, Kathryn L. Attorney, Agent or FirmInternational ClassesF16F 7/12 (20060101)B62D 21/15 (20060101) Foreign Application Priority Data1980-12-12 GBAbstractAn energy absorbing structure suitable for example of use in a motor vehicle body panel to absorb impact loads comprises a wall having a plurality of ridges extending in a longitudinal direction corresponding to the expected direction of an applied load, and at least one reinforcement secured to the wall on adjacent ridges. The dimensions of the ridges and the points at which the reinforcement is secured are so arranged that the wall undergoes progressive collapse under impact in the longitudinal direction. | |
