Title:
PASSAGE OPENING/CLOSING DEVICE
Document Type and Number:
Japanese Patent JP2019078461
Kind Code:
A
Abstract:
To provide a passage opening/closing device which can minimize an installation space and dispense with an operation member or the like protruding from the device body.SOLUTION: A passage opening/closing device 1 comprises: a frame body 4 having an aperture 3 of a passage 2; a lid 5 arranged movably in a direction B in relation to the frame body 4 to open and close the aperture 3; coupling means 6 for coupling the lid 5 to the frame body 4 movably in a direction A and in the direction B so as to prohibit movement of the lid 5 in the direction B in relation to the frame body 4 at a first movement position in the direction A of the lid 5 in relation to the frame body 4, which is for closing the aperture 3 and to release the prohibition of movement of the lid 5 in the direction B in relation to the frame body 4 at a second movement position in the direction A of the lid 5 in relation to the frame body 4, which is for closing the aperture 3; and an elastic force generating mechanism 7 configured to apply tensile force F to the coupling means 6 for moving the lid 5 in a direction of separating from the frame body 4 in the direction B.SELECTED DRAWING: Figure 1
Inventors:
UENO SUKEYUKI
Application Number:
JP2017205672A
Publication Date:
May 23, 2019
Filing Date:
October 24, 2017
Export Citation:
Assignee:
OILES ECO CORP
International Classes:
F24F13/14
Attorney, Agent or Firm:
Takeshi Takada