Title:
DOOR DEVICE AND DOOR MECHANISM
Document Type and Number:
Japanese Patent JP2022046094
Kind Code:
A
Abstract:
To provide a door device and a door mechanism that allow a door body to open in an easier way even under the condition of differential pressure between inside and outside a room.SOLUTION: A door body 12 of a door device 10 includes: a ventilation window 28 that is provided on a door surface on an outdoor side to ventilate inside and outside a room; a handle 36 that is used for an opening operation and a closing operation of the door body 12; a ventilation mechanism 32 that makes the ventilation window 28 open in conjunction with the opening operation of the handle 36 and makes the ventilation window 28 close in conjunction the closing operation of the handle 36; and an urging mechanism 34 that urges the door body 12 in an open direction by pressing a part of a door frame 14 in conjunction with the opening operation of the handle 36.SELECTED DRAWING: Figure 1
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Inventors:
MANO KOSUKE
Application Number:
JP2020151962A
Publication Date:
March 23, 2022
Filing Date:
September 10, 2020
Export Citation:
Assignee:
AQUA MAINTENANCE CO LTD
International Classes:
E06B7/084; E05B1/00
Domestic Patent References:
| JP2000136679A | 2000-05-16 | |||
| JPH0466988B2 | 1992-10-26 | |||
| JPH04102691A | 1992-04-03 | |||
| JP2000054721A | 2000-02-22 | |||
| JP2013079562A | 2013-05-02 | |||
| JP2012007464A | 2012-01-12 | |||
| JP2010156146A | 2010-07-15 |
Attorney, Agent or Firm:
Kobayashi Isao