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公开(公告)号:US5653408A
公开(公告)日:1997-08-05
申请号:US635876
申请日:1996-04-18
CPC分类号: E01B7/12
摘要: A direct support type of rigid railbound railroad trackwork frog assembly is provided with a core frog casting, a pair of compliant, non-metallic spacer elements contacting laterally opposed sides of the core frog casting, a pair of wing rails respectively contacting the compliant, non-metallic spacer elements, and a threaded bolt and nut fastener joining the casting, spacer elements, and wing rails into a rigid unitary structure.
摘要翻译: 直立支撑型刚性轨道铁路轨道工作青蛙组件设置有核心青蛙铸件,一对柔性的非金属间隔件,与核心青蛙铸件的横向相对的侧面相接触,一对翼轨分别接触柔性, 金属间隔元件,以及将铸件,间隔元件和翼轨连接成刚性单一结构的螺栓和螺母紧固件。