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    • 3. 发明授权
    • Self centering device for borescopes
    • 用于内窥镜的自动定心装置
    • US5365331A
    • 1994-11-15
    • US9779
    • 1993-01-27
    • Richard A. TamburrinoAlan S. KnieriemRoger LesebergTimothy J. Smith
    • Richard A. TamburrinoAlan S. KnieriemRoger LesebergTimothy J. Smith
    • G01M3/00G01M3/38G02B23/24G02B23/26
    • G01M3/005G01M3/38G02B23/2476
    • An apparatus for holding an insertion tube of a borescope centered within a passage along which the borescope travels, that includes a pair of opposed collar assemblies slidably mounted upon the insertion tube of the borescope, with each collar assembly including a cylindrical body section and an annular retaining ring, being removably mounted in face-to-face contact with one end face of the body section, and each retaining ring having a rear end face in contact with one body section and a front end face facing that of the retaining ring on the opposing collar assembly, and each retaining ring further including a series of circumferentially spaced rotor seats each having a longitudinally disposed slot passing through the outer wall of the ring, and a plurality of elongated wire spring members with each end fitting in a rotor seat, thus joining the opposing collar assemblies, where one of the collar assemblies is held in a stationary position adjacent to the distal viewing end of the borescope while the other collar assembly may be slid along the borescope insertion tube so that the wire spring members maintain contact with the passage in which the borescope travels.
    • 一种用于保持管道镜插入管的装置,其中心在管道内沿着通道行进的通道中,该装置包括可滑动地安装在管状内窥镜的插入管上的一对相对的套环组件,每个套环组件包括圆柱体部分和环形 保持环可拆卸地安装成与主体部分的一个端面面对面接触,并且每个保持环具有与一个主体部分接触的后端面和面向保持环的前端面的前端面 并且每个保持环还包括一系列周向间隔开的转子座,每个转子座具有穿过环的外壁的纵向设置的槽,以及多个细长的线弹簧构件,每个端部配合在转子座中,因此 连接相对的套环组件,其中一个套环组件被保持在与bo的远端观察端相邻的静止位置 在另一个套环组件可以沿着管道镜插入管滑动以使得线弹簧构件保持与管道内穿过的通道保持接触的情况下进行救援。