Title:
換気装置
Document Type and Number:
Japanese Patent JP6645802
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a structure capable of preventing unexpected change of an opening of an opening/closing door and preventing the opening from becoming excessive more than necessary.SOLUTION: An engagement pin 56 disposed on a tip portion of a swing arm 27 rotatably supported at a base end portion with respect to an upper frame 14, is advanced in a slide groove 46 of a stopper member 26 disposed on an upper end portion of an opening/closing door 5a movably according to an opening of the opening/closing door 5a. Further the slide groove 46 is formed by a part between an indoor-side side edge of an immobile-side holding arm portion 32 and an outdoor-side side edge of a movable-side holding arm portion 38 energized in a direction to be close to the immobile-side holding arm portion 32, and has the shape closed at a depth-side end portion. Further an engagement recessed portion 49 engageable with an engagement pin 56, is formed on the outdoor-side side edge of the movable-side holding arm portion 38 configuring the slide groove 46.SELECTED DRAWING: Figure 13
Inventors:
Tomoya Nagase
Application Number:
JP2015211725A
Publication Date:
February 14, 2020
Filing Date:
October 28, 2015
Export Citation:
Assignee:
Fuji Sash Co., Ltd.
International Classes:
F24F7/00; E06B7/06
Domestic Patent References:
| JP2003194375A | ||||
| JP2005273256A | ||||
| JP2008231821A | ||||
| JP6279953B2 | ||||
| JP57089765U | ||||
| JP4004170U |
Attorney, Agent or Firm:
Kiwa Patent Office