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Title:
OPENING-CLOSING DEVICE FOR OPENING-CLOSING BODY
Document Type and Number:
WIPO Patent Application WO/2017/163929
Kind Code:
A1
Abstract:
An opening-closing device for an opening-closing body comprises: an opening-closing body that places an opening of an opening member into an opened state or a closed state and that has the mass thereof applied in the closing direction; a plurality of driving units that cause the opening-closing body to move in the opening direction and the closing direction; an opening-closing controlling unit that controls the plurality of driving units; and a detecting unit that detects operation of the plurality of driving units. When the opening-closing body is stopped in an opened state and the opening-closing controlling unit is in a sleep state, the opening-closing controlling unit is put into an activated state by the electromotive force of a driving unit that is generated by application of an external force to the opening-closing body, performs regulatory control to regulate the driving of the driving unit for at least the driving unit that generated the electromotive force, compare the regulatory controlled driving unit to the other driving units, and, if that driving unit is relatively normal, determines that the driving unit is in a normal state and releases the regulatory control of the driving unit. Thus, the opening-closing body can be prevented from dropping suddenly using a simple structure.

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Inventors:
YAGI MIKIYA (JP)
MATSUMOTO KENJI (JP)
HIRANO YUSAKU (JP)
Application Number:
PCT/JP2017/009676
Publication Date:
September 28, 2017
Filing Date:
March 10, 2017
Export Citation:
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Assignee:
HI-LEX CORP (JP)
International Classes:
E05F15/41; B60J5/10; E05F15/622
Foreign References:
JP2013023867A2013-02-04
JP2007161175A2007-06-28
US20070063535A12007-03-22
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