Title:
INTRA-TUBE RUNNING DEVICE
Document Type and Number:
Japanese Patent JPH06156269
Kind Code:
A
Abstract:
PURPOSE: To provide an intra-tube running device which can run with a minor traction force even in an abnormal running condition where the wheel is positioned at the bottom of the tube.
CONSTITUTION: Wheels 3 whose outer surface are formed spherical are installed in the front and the rear of a running body 2 which is mobile inside a tube 1, wherein the rotary shaft 4 of each wheel 3 is inclined a specified angle θto the direction perpendicular to the axis of the tube 1. The range of the inclining angle θ is 10-20deg.
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Inventors:
KOBORI TAKASHI
OZAWA MICHIO
YAMAMOTO YASUSHI
KURODA TAKASHI
TSUTSUMINO SHIGETOSHI
YANO YOSHITAKA
OZAWA MICHIO
YAMAMOTO YASUSHI
KURODA TAKASHI
TSUTSUMINO SHIGETOSHI
YANO YOSHITAKA
Application Number:
JP10398092A
Publication Date:
June 03, 1994
Filing Date:
March 31, 1992
Export Citation:
Assignee:
TOKYO GAS CO LTD
OSAKA GAS CO LTD
TOHO GAS KK
NIPPON KOKAN KK
SUMITOMO METAL IND
NIPPON STEEL CORP
OSAKA GAS CO LTD
TOHO GAS KK
NIPPON KOKAN KK
SUMITOMO METAL IND
NIPPON STEEL CORP
International Classes:
B61B13/10; B62D57/024; F16L55/00; (IPC1-7): B61B13/10; B62D57/024; F16L55/00
Domestic Patent References:
| JPS5823269A | 1983-02-10 |
Attorney, Agent or Firm:
Natsuo Shiotani
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