Title:
ENTRANCE DOOR DEVICE
Document Type and Number:
Japanese Patent JP2023137003
Kind Code:
A
Abstract:
To provide an entrance door device that can inhibit the movement of the hinge in all directions.SOLUTION: An entrance door device 1, including a frame body 2 and a door body 3 connected to the frame body 2 via a hinge 4 in an opening/closing manner, in which the hinge 4 includes: a frame-body-side hinge member 41 that is fixed to the frame body 2 and has a frame-body-side cylindrical portion 412 extending in the vertical direction; a door-body-side hinge member 42 that has a door-body-side cylindrical portion 422 fixed to the door body 3, disposed above the frame-body-side hinge member 41 to extend in the vertical direction, and notches 425, 426 formed in the midway of the door-body-side cylindrical portion 422 in the vertical direction; a shaft member 43 that axially penetrates the door-body-side cylindrical portion 422 of the door-body-side hinge member 42 and whose lower end is located inside the frame-body-side cylindrical portion 412 of the frame-body-side hinge member 41; and ring members 45, 46 that have mating portions 451, 461 disposed in the notches 425, 426 and that are fastened to the door-body-side hinge member 42.SELECTED DRAWING: Figure 4
Inventors:
MURAOKA KAZUYA
HAYASHI KOICHI
HAYASHI KOICHI
Application Number:
JP2022042969A
Publication Date:
September 29, 2023
Filing Date:
March 17, 2022
Export Citation:
Assignee:
LIXIL CORP
NISHIMURA CO LTD
NISHIMURA CO LTD
International Classes:
E05D5/14; E05D5/04; E06B3/00; E06B3/36
Attorney, Agent or Firm:
Masayuki Shobayashi
Tetsuo Shiba
Mitsuru Iwaike
Hiroaki Hoshino
Tetsuo Shiba
Mitsuru Iwaike
Hiroaki Hoshino