发明授权
- 专利标题： Device for monitoring the interior of a conduit
- 专利标题（中）： 用于监测导管内部的装置
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申请号： US459554申请日： 1983-01-20
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公开(公告)号： US4616258A公开(公告)日： 1986-10-07
- 发明人: Kimizo Ono , Yoshikazu Nishiwaki , Koichi Tsuno , Toru Iwai , Mitsuru Nishikawa
- 申请人： Kimizo Ono , Yoshikazu Nishiwaki , Koichi Tsuno , Toru Iwai , Mitsuru Nishikawa
- 申请人地址： JPX Osaka
- 专利权人： Sumitomo Electric Industries, Ltd.
- 当前专利权人： Sumitomo Electric Industries, Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX57-15425 19820201
- 主分类号： H04N7/18
- IPC分类号： H04N7/18 ; E03F7/12 ; F16L55/00 ; G01M3/00 ; G01N21/88 ; G01N21/954
摘要：
A monitoring device for monitoring an interior conduit wall includes a plurality of sliding members each resiliently urged by equal amounts away from the device body toward the conduit wall, so that the device can be used in conduits of different diameters while always remaining substantially centered within the conduit.
公开/授权文献
- US4979634A Hold-open hinge mechanism for a molded plastic cover 公开/授权日：1990-12-25