Title:
EXTENSION/CONTRACTION DEVICE AND WIRE TENSIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/048022
Kind Code:
A1
Abstract:
[Problem] To provide an extension/contraction device and a wire tensioning device that are capable of easily and accurately performing wire tensioning work. [Solution] According to one aspect of the present invention, there is provided an extension/contraction device that is used when tensioning a wire. This extension/contraction device comprises an extension/contraction device body and a power unit. The extension/contraction device body has: an outside tubular part; an inside tubular part inserted into the outside tubular part from one axial end thereof; a moving part that has a threaded shaft that passes through the outside tubular part and the inside tubular part, and a nut that is fixed to the other axial end of the inside tubular part and is screwed onto the threaded shaft; and an operating part that rotates the threaded shaft about the center axis to move the nut along the threaded shaft. The power unit is detachably attached to the extension/contraction device body. The present invention has an engagement part that engages with the operating part, and a motor for rotating the engagement part.
Inventors:
MIYAKO TAKASHI (JP)
KIMURA SHINGO (JP)
SAIJO NAOKI (JP)
KIMURA SHINGO (JP)
SAIJO NAOKI (JP)
Application Number:
PCT/JP2023/022722
Publication Date:
March 07, 2024
Filing Date:
June 20, 2023
Export Citation:
Assignee:
TOHOKU ELECTRIC POWER CO (JP)
NAGAKI SEIKI KK (JP)
NAGAKI SEIKI KK (JP)
International Classes:
H02G1/04
Foreign References:
| JPH11215633A | 1999-08-06 | |||
| JP2013255398A | 2013-12-19 |
Attorney, Agent or Firm:
IPX PATENT PARTNERS (JP)
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