OPENING/CLOSING DEVICE FOR AUTOMATICALLY CLOSING WINDOW - Educational Facility Research Institute Co., Ltd.

Title:

OPENING/CLOSING DEVICE FOR AUTOMATICALLY CLOSING WINDOW

Document Type and Number:

Japanese Patent JP3922971

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide an opening/closing device for an automatic closing window conducting an operation, in which a plurality of opened windows are closed, by a single operation and being capable of closing all windows at a stretch and being capable of surely preventing the forgetfulness of a closing.
SOLUTION: The opening/closing device 1 for the automatic closing window 10 has urging devices 3 installed in parallel with the lower frame members 13 of window frames 11, to which a plurality of movable fitting sections 2 are provided continuously, links 4 being driven by the expansion and contraction of the urging devices 3 and rocking the movable fitting sections 2, an operating means 7 compressing the urging devices 3 by the tension of a wire 71 and automatic locking mechanisms 5, which are locked by the total closing of the movable fitting sections 2 and in which a locking is released by the tension of the wire 71. The urging devices 3 are elongated and the movable fitting sections 2 are closed when the tension of the wire 71 is loosened, and the urging devices 3 are compressed and the movable fitting sections 2 are opened when the wire 71 is tensed.

Inventors:

Miyakoshi Mamoru
Hideaki Kikuchi
Kenji Nakamata
Noboru Asai

Application Number:

JP2002156430A

Publication Date:

May 30, 2007

Filing Date:

May 29, 2002

Export Citation:

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