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    • 4. 发明授权
    • FOAM CORE IN-LINE SKATE FRAME
    • EINSPURROLLSCHUHEN泡沫核心框架
    • EP1133337B1
    • 2007-01-10
    • EP99964982.5
    • 1999-11-12
    • K-2 CORPORATION
    • GRANDE, Dodd, H.
    • A63C17/00
    • A63C17/068A63C2203/42
    • A skate frame (20) for an in-line skate (18) having a shoe portion (22) and a plurality of wheels (24) capable of traversing a surface. The skate frame includes an elongate structural member comprised of a structural material having a first average density. The structural member having first and second sidewalls (62 and 68), each having an upper end and a lower end. The structural member also includes a shoe mounting portion (50) spanning between at least a portion of the upper ends of the sidewalls. The first and second sidewalls having a wheel load introduction portion (58), wherein loads associated with the wheels are transferred to the structural member. The shoe mounting portion having a shoe load introduction portion, wherein loads associated with the shoe portion are transferred to the structural member. The skate frame also includes core material (64) disposed within at least one of the first and second sidewalls or within the shoe mounting portion. The core material being sealed within the sidewalls and/or the shoe mounting portion by the structural material or a filler material. The core material is absent from at least the wheel and shoe load introduction portions.
    • 5. 发明公开
    • Flexing base skate
    • Rollschuh mit flexibler Sohle
    • EP1614453A1
    • 2006-01-11
    • EP05016103.3
    • 1999-03-17
    • K-2 CORPORATION
    • Svensson, John E.Meibock, Anthony A.
    • A63C17/06A63C17/14
    • A63C17/1436A43B5/1641A63C1/28A63C17/062A63C17/065A63C17/067
    • A first preferred embodiment is a roller skate (10) having a shoe portion (12) for receiving a skater's foot and a plurality of wheels (18a, 18b, 18c, 18d). The skate comprises a base (14) having an upper surface (30) securable to an underside of the shoe portion (12) for supporting the received skater's foot, the base (14) including a heel region (24) and a forefoot region (20), the forefoot region (20) having a metatarsal head portion (22). Furtheron, the skate comprises a frame (16) having a forward segment (26) secured to an underside of the base (14) below the forefoot region (20) of the base (14), and a rearward segment (28) secured to the underside of the base (14) below the heel region (24), the forward frame segment (26) rotatably mounting at least one forward wheel (18a, 18b) below the forefoot region (20) of the base (14) and the rearward segment (28) rotatably mounting at least one rearward wheel (18c, 18d) below the heel region (24) of the base (14). One of the forward or rearward frame segments (26, 28) includes first and second stabilizing flanges (50) that extend toward and slidably overlap opposing first and second sides of the other of the forward and rearward frame segments (26, 28) such that the base (14) can flex intermediate of the forefoot region (20) and heel region (24) during skating to permit elevation of the skater's heel. The forefoot region (20) of the base (14) is rigid forward of the metatarsal head portion (22) and the metatarsal head portion (22) of the base (14) defines a stress concentrating contour extending transversely substantially across the base (14) underlying the metatarsal head of the received skater's foot that focuses flexure of the base (14) at the metatarsal head portion (22), the stress concentrating contour including a reduced thickness section of the base (14).
    • 第一优选实施例是具有用于接收溜冰鞋的脚部和多个轮子(18a,18b,18c,18d)的鞋部分(12)的滚轮溜冰鞋(10)。 该滑板包括一个底座(14),该底座(14)具有可固定在鞋部分(12)的下侧的上表面(30),用于支撑收容的溜冰鞋的脚,该底座(14)包括脚后跟区域(24)和前脚区域 20),所述前脚区域(20)具有跖骨头部分(22)。 此外,滑板包括框架(16),该框架(16)具有固定到基座(14)的前脚区域(20)下方的基座(14)的下侧的前部段(26),以及固定到 脚跟区域(24)下方的基座(14)的下侧,前框架段(26)可旋转地安装在基座(14)的前脚区域(20)下方的至少一个前轮(18a,18b) 后部段(28)可旋转地安装在基座(14)的跟部区域(24)的下方的至少一个后轮(18c,18d)。 前部或后部框架段(26,28)中的一个包括第一和第二稳定凸缘(50),该第一和第二稳定凸缘(50)朝向和可滑动地重叠相对于前部和后部框架段(26,28)中的另一个的相对的第一和第二侧面,使得 在滑冰期间,基部(14)可以在前脚掌区域(20)和跟部区域(24)之间弯曲以允许溜冰者脚跟的高度。 基部(14)的前脚区域(20)在跖骨头部分(22)的前方是刚性的,并且基部(14)的跖骨头部分(22)限定横向延伸穿过基部(14)的应力集中轮廓 ),其聚焦在所述跖骨头部分(22)处聚焦所述基部(14)的弯曲部,所述应力集中轮廓包括所述基部(14)的减小的厚度部分。