The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2008
Filed:
Jun. 28, 2005
Makoto Teraura, Takarazuka, JP;
Kazuhiro Suzuki, Takarazuka, JP;
Makoto Teraura, Takarazuka, JP;
Kazuhiro Suzuki, Takarazuka, JP;
Nippon Cable System Inc., Hyogo, JP;
Abstract
A moving device in pipe lines is provided, which allows easy switching of moving/stopping and remote control of the switching by only electric wires enabling easy operation in the inside of small diameter pipe lines. The moving devicein pipe lines comprises a guide framein which a line of three or more coilsis interconnected flexibly in the direction of magnet flux, ring-shaped permanent magnetsprovided around the periphery of the guide frame slidably in the direction of the shaft, and a control means such as computers etc. to control by a preset program selecting the direction of turning on of the coils.