Title:
LONG-LENGTH MEMBER CONNECTING STRUCTURE AND LONG-LENGTH MEMBER CONNECTING METHOD
Document Type and Number:
Japanese Patent JP2019132422
Kind Code:
A
Abstract:
To provide means for rigidly connecting a plurality of long-length members by a simple method.SOLUTION: A long-length member connecting structure has: a male screw part in which a first spiral groove which is set at a proper lead angle and/or in a lead direction, and a second spiral groove which is set at the lead angle and/or a lead angle which is different from the lead angle, and/or in a lead direction; a shaft part having a large-diameter external peripheral part of an external periphery which is enlarged more than an external periphery of the male screw part; a first female screw body which has a cylindrical external peripheral face, and can be screwed into the first spiral groove; a second female screw body which has a cylindrical external periphery, and can be screwed into the second spiral groove at an upstream side in a progress direction at the fastening of the first female screw body; and regulation means fixed to the shaft part between the large-diameter external peripheral part and the first female screw body, and regulating a position of the first female screw body in an axial direction. A linkage mechanism is arranged between the first female screw body and the second female screw body to enable rotation of one of the screw bodies to interlockingly rotate the other.SELECTED DRAWING: Figure 2
Inventors:
MICHIWAKI YUTAKA
Application Number:
JP2018084822A
Publication Date:
August 08, 2019
Filing Date:
April 26, 2018
Export Citation:
Assignee:
NEJILAW INC
International Classes:
F16B7/18; F16B35/00; F16L15/00
Domestic Patent References:
| JPS6084487A | 1985-05-13 | |||
| JP2011196449A | 2011-10-06 |
Foreign References:
| US6070912A | 2000-06-06 |