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Patent Searching and Data


Title:
DOOR OPENING AND CLOSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/142046
Kind Code:
A1
Abstract:
Provided is a door opening and closing device which can be suitably positioned on a door or a frame. A door opening and closing device (1) comprises: a main body case (2) which is attached to either one of a door or a frame; and a mobile body (4) which is movably provided on the main body case (2) and collaborates with a receiver (8) attached to the other of the door or the frame, in order to exert a force to assist with the operation to open and/or close the door. The main body case (2) has a bottom surface (2d) which is formed in a cuboid shape and is attached to either one of the door or the frame. At least one protruding part (10, 11) is provided on bottom surfaces (2a, 2b) of the main body case (2).

Inventors:
YAMAGUCHI, Koushi (1-8-11, Higashikanda, Chiyoda-k, Tokyo 33, 〒1018633, JP)
山口 幸史 (〒33 東京都千代田区東神田1丁目8番11号 スガツネ工業株式会社内 Tokyo, 〒1018633, JP)
KASHIWAGUMA, Kazuaki (1-8-11, Higashikanda, Chiyoda-k, Tokyo 33, 〒1018633, JP)
Application Number:
JP2010/063901
Publication Date:
November 17, 2011
Filing Date:
August 18, 2010
Export Citation:
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Assignee:
SUGATSUNE KOGYO CO., LTD. (1-8-11, Higashikanda Chiyoda-k, Tokyo 33, 〒1018633, JP)
スガツネ工業株式会社 (〒33 東京都千代田区東神田1丁目8番11号 Tokyo, 〒1018633, JP)
YAMAGUCHI, Koushi (1-8-11, Higashikanda, Chiyoda-k, Tokyo 33, 〒1018633, JP)
山口 幸史 (〒33 東京都千代田区東神田1丁目8番11号 スガツネ工業株式会社内 Tokyo, 〒1018633, JP)
International Classes:
E05F3/00; E05F1/14; E05F3/10; E05F5/02
Attorney, Agent or Firm:
SHIOJIMA, Toshiyuki (Floral Akihabara bldg. 7F, 2-12 Kandasakumacho, Chiyoda-k, Tokyo 25, 〒1010025, JP)
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Claims: