Title:
CORE WIRE AND ACCESSORY
Document Type and Number:
Japanese Patent JP2020065759
Kind Code:
A
Abstract:
To provide a core wire capable of securing sufficient extension, applying an integration feeling to extension motion of an inside core wire and an outside core wire, reducing a number of components and facilitating assembly.SOLUTION: A core wire is formed into a double structure which is formed of: an inside core wire 2 which is made of metallic thin wire and is formed into a wave shape and which can be extended/shrunk by elasticity by which the inside core wire can be restored into a wave shape; and an outside core wire 3 which is formed into a coil shape obtained by winding a metallic thin wire into a spiral shape and into which the inside core wire 2 is inserted and which is extended/shrunk following extension/shrinkage of the inside core wire 2. Both end parts of the inside core wire 2 and both end parts of the outside core wire 3 are coupled respectively.SELECTED DRAWING: Figure 3
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Inventors:
OKAMURA KAZUO
Application Number:
JP2018200609A
Publication Date:
April 30, 2020
Filing Date:
October 25, 2018
Export Citation:
Assignee:
HOJIN CO LTD
International Classes:
A44C11/00; A44C25/00
Attorney, Agent or Firm:
Kyosei International Patent Office