Title:
PIVOT HINGE, MOUNTING SEAT FOR PIVOT HINGE, AND DOOR SYSTEM
Document Type and Number:
Japanese Patent JP2022150488
Kind Code:
A
Abstract:
To prevent an engagement state between an annular groove of a pivot shaft and a fixing screw from being easily released.SOLUTION: A pivot hinge comprises a shaft member attached to one of a door 1 or a door frame 2a and a bearing member attached to the other of the door 1 or the door frame 2a. The shaft member is provided with: a pivot shaft 31 having an annular groove 54; a mounting seat attached to one of the door 1 or the door frame 2a and having a main hole into which the pivot shaft 31 is screwed and a horizontal hole communicating with the main hole; and a fixing screw 32 screwed into the horizontal hole and engaged with the annular groove 54 to restrict the vertical movement of the pivot shaft 31. The bearing member has a bearing hole for supporting the pivot shaft 31. A center line of the horizontal hole is offset with respect to a center line of the main hole.SELECTED DRAWING: Figure 3
Inventors:
MORITA NANA
YAMANE MOTOHARU
YAMANE MOTOHARU
Application Number:
JP2021053114A
Publication Date:
October 07, 2022
Filing Date:
March 26, 2021
Export Citation:
Assignee:
RYOBI LTD
International Classes:
E05D7/081; E06B3/36
Attorney, Agent or Firm:
Tokuya Iwata