Title:
フラップゲート用ヒンジ装置
Document Type and Number:
Japanese Patent JP7256533
Kind Code:
B2
Abstract:
To provide an inexpensive movement limiting device that can limit the movement of an upper edge of a door body to a downstream side and an upstream side without impairing the advantages of a hinge device having a double hinge structure, prevents a connecting metal fitting from rotating excessively, and does not require position adjustment.SOLUTION: A hinge device 4 in an upper hinge type flap gate comprises a door body side hanging metal fitting 6, a door stop side hanging metal fitting 8, and a connecting metal fitting 9. The connecting metal fitting 9 is an L-shaped metal plate, and an upper shaft support portion 10 is arranged at a corner of the connecting metal fitting 9, and a lower shaft support portion 11 is arranged at one end. Then, the upper shaft support portion 10 and the lower shaft support portion 11 are pivotally supported by the door stop side hanging metal fitting 8 and the door body side hanging metal fitting 6, respectively. A minute gap is formed between a tip surface 12 and a base plate 13 in a state where a water channel outlet is closed by a door body 2.SELECTED DRAWING: Figure 3
Inventors:
Fujii Michihiro
Application Number:
JP2019114048A
Publication Date:
April 12, 2023
Filing Date:
June 19, 2019
Export Citation:
Assignee:
Kyowa Manufacturing Co., Ltd.
International Classes:
E02B7/44
Domestic Patent References:
| JP2004285672A | ||||
| JP60151926U | ||||
| JP60186330U | ||||
| JP2013096122A | ||||
| JP3178608U | ||||
| JP2013253375A | ||||
| JP2012158925A | ||||
| JP2013068015A |
Foreign References:
| KR2020100000635U | ||||
| KR101017404B1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Eiwa Patent Office