Title:
シャッター装置
Document Type and Number:
Japanese Patent JP7142599
Kind Code:
B2
Abstract:
To provide a management and fire prevention shutter capable of opening with electric power even when the electric power from a temporary power supply is supplied to an electrically-driven open/close machine when the commercial power supply is available without causing crosstalk of the operation system from the operation unit.SOLUTION: The management and fire prevention shutter includes: a commercial power supply that supplies the electric power to an electrically-driven open/close machine M and a control unit 4; an electric open/close operation unit 3A for transmitting open/close signals to the electrically-driven open/close machine M; an electric open operation unit (opening switch 9A) that performs an open operation of the shutter curtain 1 by using the temporary power supply (power unit G) different from the commercial power supply; and a disabling means that disables operations from the electric open/close operation unit 3A at least when an open operation is made from the electric open operation unit (opening switch 9A).SELECTED DRAWING: Figure 8
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Inventors:
Yuji Asami
Sumito Minagawa
Sumito Minagawa
Application Number:
JP2019072355A
Publication Date:
September 27, 2022
Filing Date:
April 04, 2019
Export Citation:
Assignee:
Sanwa Shutter Corporation
International Classes:
E06B9/68; E06B9/74; E06B9/82; E06B9/84
Domestic Patent References:
| JP201796072A | ||||
| JP20172505A | ||||
| JP2001311361A | ||||
| JP7139276A | ||||
| JP451599U | ||||
| JP2123592U | ||||
| JP57151791A | ||||
| JP2018178403A |
Attorney, Agent or Firm:
Shigeru Inaba
Takato Hatazoe
Takato Hatazoe