Title:
シャッター装置
Document Type and Number:
Japanese Patent JP6688526
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a shutter device that enables a curved and deformed shutter curtain to smoothly resume to a normal planar form.SOLUTION: A shutter curtain 1 has right and left edge parts inserted slidably inside a guide rail 3 for opening/closing, and includes a first protrusion 31 formed at an edge part in a width direction of the shutter curtain 1, and a recess 32 formed on an inner side in the width direction of the curtain 1 than the protrusion 31. A protrusion 12 is formed on an inner surface of the guide rail 3 with which the first protrusion 31 is engaged by fitting into the recess 32, when the curtain 1 is curved and deformed. A second protrusion 33 is formed on the inner side in the width direction of the curtain 1 than the recess 32, and a part of the guide rail 3 opposite the second protrusion 33 in the width direction of the curtain 1, when the first protrusion 31 is engaged with the protrusion 12, is formed as an inclined surface 14 extending inward in a thickness direction of the shutter curtain, toward outside in the width direction of the curtain 1.SELECTED DRAWING: Figure 6
Inventors:
Yoshinobu Hanai
Application Number:
JP2015004673A
Publication Date:
April 28, 2020
Filing Date:
January 14, 2015
Export Citation:
Assignee:
Bunka Shutter Co., Ltd.
International Classes:
E06B9/17; E06B9/58
Domestic Patent References:
| JP2005171579A | ||||
| JP2002201876A | ||||
| JP11207545A |
Foreign References:
| US5839493 |
Attorney, Agent or Firm:
Takeshi Ando