Title:
【発明の名称】パイプ内で使用する自動心出しサスペンション
Document Type and Number:
Japanese Patent JP2960970
Kind Code:
B2
Abstract:
PCT No. PCT/GB96/01200 Sec. 371 Date Feb. 12, 1998 Sec. 102(e) Date Feb. 12, 1998 PCT Filed May 20, 1996 PCT Pub. No. WO96/37726 PCT Pub. Date Nov. 28, 1996A self-centering suspension for use in supporting a vehicle or vehicles intended to travel in a pipeline includes a body and two sets of three wheels spaced apart along the length of the body. Each wheel is mounted on a lever arm biased by torsion springs against the inner surface of the pipeline. Each lever arm has a stub arm which is eccentrically arranged relatively to a rotary joint in the form of a pin, and the stub arm slidingly engages a circumferential groove in a ring. Each ring slides on the body. A set of three wheels are thus constrained to move inwards and outwards together.
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Inventors:
SUTOOSU DEREKU
Application Number:
JP53547696A
Publication Date:
October 12, 1999
Filing Date:
May 20, 1996
Export Citation:
Assignee:
BII JII PLC
International Classes:
F16L55/28; B61B13/10; F16L55/32; (IPC1-7): B61B13/10
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)