Title:
LARGE DOOR
Document Type and Number:
Japanese Patent JP2022158678
Kind Code:
A
Abstract:
To provide a large door that allows a hinge to be compact regardless of the size of a drive unit.SOLUTION: A door 1 includes: a frame member 11 provided in an opening 10a of a wall body 10; a door body 2 provided so as to open/close the opening 10a; and a drive unit 5 for opening/closing the door body 2. The drive unit 5 has an arm member 52 rotating horizontally around a drive shaft 51 eccentric to a rotation axis 4a of the door body 2. The arm member 52 and the door body 2 are connected for relative rotation. The drive unit 5 rotates the arm member 52, which causes the door body 2 to rotate relative to the arm member 52 and rotate against the opening 10a. A support plate 41 is provided around the frame member 11 on an outer surface of the wall body 10. The door body 2 is connected to the wall body 10 via a hinge provided on the support plate 41.SELECTED DRAWING: Figure 1
Inventors:
KASAI TSUTOMU
Application Number:
JP2021063740A
Publication Date:
October 17, 2022
Filing Date:
April 02, 2021
Export Citation:
Assignee:
ITOKI CORP
International Classes:
E05F15/63; E05D7/083; E06B5/12
Attorney, Agent or Firm:
Yoshihide Yanagino
Takao Yanagino
Norio Morioka
Sekiguchi Hisayu
Kiyozo Hori
Takao Yanagino
Norio Morioka
Sekiguchi Hisayu
Kiyozo Hori
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