Title:
差圧緩和装置
Document Type and Number:
Japanese Patent JP6892325
Kind Code:
B2
Abstract:
To form a shiplap structure at the closure of an opening part even if an axial core of a turning body for alleviating a pressure difference is separated from an end part.SOLUTION: A second door body 3 has a first region and a second region with a turning axial core sandwiched therebetween, a slave door opening part O of a first door body 2 has a first region and a second region with a turning axial core sandwiched therebetween, the first door body 2 has a peripheral edge part 4 which adjoins the first region of the slave door opening part O and opposes an aspect face of the first region of the second door body 3 which is in a closed posture, the second door body 3 has a peripheral edge part 5 which opposes an aspect face of the first door body 2 adjoining the second region of the slave door opening part O when the second door body 3 is in the closed posture, and either an end part of the peripheral edge 4 or an end part of the peripheral edge 5 comprises an eye plate 8 which opposes an aspect face of the other end part when the second door body 3 is in the closed posture.SELECTED DRAWING: Figure 11
Inventors:
Noriyuki Mochida
Application Number:
JP2017105811A
Publication Date:
June 23, 2021
Filing Date:
May 29, 2017
Export Citation:
Assignee:
Sanwa Shutter Corporation
International Classes:
E06B7/06; E05C1/04; E05F5/00; E06B5/16
Domestic Patent References:
| JP7259407A | ||||
| JP58020889A | ||||
| JP49022417B1 | ||||
| JP49035182B1 | ||||
| JP8135331A | ||||
| JP50031640Y1 |
Foreign References:
| US20160339279 | ||||
| CN205047108U |
Attorney, Agent or Firm:
Shigeru Inaba
Takato Hatazoe
Takato Hatazoe