Title:
止水扉
Document Type and Number:
Japanese Patent JP6983979
Kind Code:
B2
Abstract:
To provide a water cut-off door with improved water-tightness on front and rear surfaces of a door body.SOLUTION: A water cut-off door has a first door body 21 moved from a closed position where an opening is almost closed to a water cut-off position where the first door body is pressed against a frame-side water cut-off member 2 and the frame-side water cut-off member 2 is deformed elastically by a prescribed amount. The water cut-off door includes an engaging member 41 that is supported on a base 44 on an outer surface of the first door body 21 and rotates on outside, and a cam slope surface 42a1 that slide-contacts a tip side of the engaging member 41 at a portion other than the first door body 21 and moves the first door body 21 toward the water cut-off position side. The base 44 is fixed on the outer surface of the first door body 21 without penetrating the outer surface.SELECTED DRAWING: Figure 3
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Inventors:
Masahiko Sunagawa
Tetsuhiko Wada
Tetsuhiko Wada
Application Number:
JP2020188092A
Publication Date:
December 17, 2021
Filing Date:
November 11, 2020
Export Citation:
Assignee:
Bunka Shutter Co., Ltd.
International Classes:
E06B7/16; E06B5/00
Domestic Patent References:
| JP53140198A | ||||
| JP3201066U | ||||
| JP5782205B1 |
Attorney, Agent or Firm:
Patent Business Corporation Wisdom International Patent Office