Patent References 3580596 3582098 Lightweight, flexible ski Ski Patent #: 4697820 InventorAssigneeApplicationNo. 07/053967 filed on 05/26/1987US Classes:280/602, With camber or flexibility control280/608With edge or guide stripExaminersPrimary: Marmor, Charles A.Assistant: Camby, Richard M. Attorney, Agent or FirmInternational ClassesA63C 5/06 (20060101)A63C 5/075 (20060101) A63C 5/12 (20060101) Foreign Application Priority Data1986-05-27 ATAbstractSki with an upper layer, a lower layer, and optionally an intermediate layer. The ski has a central core made of a hard material, especially a hard wood, and has a running surface and laterally extending edge protectors. At least one of the two outer surfaces of the core has one or more recesses for matching damper elements made of an elastic material. | |