Title:
SECURITY TROUGH
Document Type and Number:
Japanese Patent JP2019186998
Kind Code:
A
Abstract:
To aim at providing a construction trough in a housing duct, whose lid cannot be easily opened after completing construction work; that is also preferable from a viewpoint of security; with which the construction work can be easily performed; that is preferable with a good look of neat appearance, without winding a wire rope around an outer periphery of a housing duct trough with simple work according to the present invention.SOLUTION: A construction trough in a housing duct according to the present invention, that is, a security trough comprises a trough body formed in a nearly recessed shape in cross section, and a lid member for closing an upper face opening of the trough body. It is a feature that the external surface on both side walls of the trough body is constituted as a flat surface with no projection; a swollen part swelled onto an upward inner side surface of both the side walls is formed; an upper end surface of the swollen part is formed at a step difference part that becomes a downward step difference toward an inner side; and the step difference part is set as an attachment placing part of the lid member.SELECTED DRAWING: Figure 1
Inventors:
MATSUBAYASHI KATSUNORI
USUI ATSUSHI
SUWA KAZUNORI
YUDA HAYATO
USUI ATSUSHI
SUWA KAZUNORI
YUDA HAYATO
Application Number:
JP2018071615A
Publication Date:
October 24, 2019
Filing Date:
April 03, 2018
Export Citation:
Assignee:
FUJI PUREKON KK
International Classes:
H02G9/04; H02G1/06
Domestic Patent References:
| JP3134451U | 2007-08-16 |
Attorney, Agent or Firm:
Giichiro Ito