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GUIDE ASSEMBLY AND ENDOSCOPE
专利权人:
Takayuki NAKAMURA
发明人:
Takayuki NAKAMURA,Tsuyoshi Ashida,Shinichi Yamakawa,Masayuki Iwasaka,Yasunori Ohta
申请号:
US13341520
公开号:
US20120178993A1
申请日:
2011.12.30
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A guide assembly for an endoscope has an elongated tube for entry in a body cavity. Plural endless belts move in an axial direction of the elongated tube in contact with a cavity wall of the body cavity, to propel the elongated tube. A driving device is engaged with a first belt surface of the belts, for rotating to drive the belts. A pressure roller has a smaller width than a width of the belts in a transverse direction crosswise to the axial direction, for pressing the belts by contacting a second belt surface reverse to the first belt surface, to apply tension thereto together with the driving device. A regulating projection is formed to project from the second belt surface and to extend in the axial direction, for contacting a side surface of the pressure roller in the transverse direction, to prevent lateral misalignment of the belts.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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