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    • 4. 发明专利
    • Channel fastener
    • 通道紧固件
    • JP2009162781A
    • 2009-07-23
    • JP2009103787
    • 2009-04-22
    • Tokyo Electric Power Co Inc:The東京電力株式会社
    • SUZUKI SHUNICHITAKAGI YOSHIOISHII YOSHIAKIMIYAZAKI AKIHIROTERAMATSU TADASHIFUJITA AKIHIKOTAGUCHI MASATAKEYAMAGUCHI SHINGO
    • G21C3/33
    • G21C3/33Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a channel fastener capable of preventing or suppressing plastic deformation of a leaf spring, generated when another apparatus such as a fuel assembly or a tool is brought into contact therewith from the upside, or the like.
      SOLUTION: The channel fastener 6 comprises: a leaf spring guard 9 having a leg body 13 formed in an approximately L-shape in horizontal cross section and extending vertically, and a flat upper plate 12 connected to the leg body 13 at the upper end of the leg body 13 and extending horizontally, and provided with a peak part 20 on a crossing portion of face parts crossing mutually approximately vertically on the leg body 13; and a leaf spring 8 having an upper plate part 15 fixed to the leaf spring guard flat upper plate 12 and extending along the leaf spring guard flat upper plate 12, and at least two legs 17 connected to the upper plate part 15 and extending downward along the leaf spring guard leg body 13. A retreated part 29 withdrawn to the inside is formed on a corner part 28 on the side facing at least to the leaf spring guard peak part 20 between corner parts 28 provided on both sides of the bottom ends 19 of the leaf spring legs 17.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够防止或抑制当诸如燃料组件或工具的另一装置从上侧等与其接触时产生的板簧的塑性变形的通道紧固件。 通道紧固件6包括:板簧保护件9,其具有以水平截面形状大致L形并且竖直延伸的腿部主体13,以及在该主体13的下端连接到腿部主体13的平坦的上板12 腿部本体13的上端并且水平延伸,并且在腿体13上相互大致垂直相交的面部的交叉部分上设置有峰部20; 以及板簧8,其具有固定到板簧保护平板上板12并沿着板簧保护平板上板12延伸的上板部15,以及连接到上板部15并沿着下板向下延伸的至少两个支腿17 叶片弹簧保护腿体13.在位于底部端部19的两侧的角部28之间的至少与片簧保护峰部20对置的一侧的角部28上形成有向内侧退避的后退部29 (C)2009,JPO&INPIT
    • 10. 发明专利
    • Channel fastener
    • 通道紧固件
    • JP2009162780A
    • 2009-07-23
    • JP2009103786
    • 2009-04-22
    • Tokyo Electric Power Co Inc:The東京電力株式会社
    • SUZUKI SHUNICHITAKAGI YOSHIOISHII YOSHIAKIMIYAZAKI AKIHIROTERAMATSU TADASHIFUJITA AKIHIKOTAGUCHI MASATAKEYAMAGUCHI SHINGO
    • G21C3/33
    • G21C3/33Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a channel fastener capable of preventing or suppressing plastic deformation of a leaf spring, generated when another apparatus such as a fuel assembly or a tool is brought into contact therewith from the upside, or the like.
      SOLUTION: The channel fastener 6 comprises: a leaf spring guard 9 having a leg body 13 formed in an approximately L-shape in horizontal cross section and extending vertically, a shoulder part 24 connected to the leg body 13 at the upper end of the leg body 13, and a flat upper plate 12 connected to the shoulder part 24 and extending horizontally; and a leaf spring 8 having an upper plate part 15 fixed to the leaf spring guard flat upper plate 12 and extending along the leaf spring guard flat upper plate 12, a bent part 16 bent near the leaf spring guard shoulder part 24 and connected to the upper plate part 15, and at least two legs 17 connected to the bent part 16 and extending downward along the leaf spring guard leg body 13. A protection member is provided so as to cover at least the leaf spring upper plate part 15 and the leaf spring bent part 16.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够防止或抑制当诸如燃料组件或工具的另一装置从上侧等与其接触时产生的板簧的塑性变形的通道紧固件。 解决方案:通道紧固件6包括:板簧保护件9,其具有以水平横截面形状大致L形并且垂直延伸的腿主体13,在上端连接到腿部主体13的肩部24 和与肩部24连接并水平延伸的平坦的上板12; 以及板簧8,其具有固定到板簧保护平板上板12并沿着板簧保护平板上板12延伸的上板部15,弯曲部16在板簧保护肩部24附近弯曲并连接到 上板部分15和至少两个连接到弯曲部分16的腿部17并沿着板簧保护腿本体13向下延伸。保护构件设置成至少覆盖板簧上板部分15和叶片 弹簧弯曲部分16.版权所有(C)2009,JPO&INPIT