Title:
KEY SWITCH STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2012/008086
Kind Code:
A1
Abstract:
A key switch structure is provided with a key top, an elastic member which is disposed below the key top, a membrane sheet which is disposed below the elastic member and has a contact section, and a back plate which supports the membrane sheet from below. A link mechanism having a first link member and a second link member which are combined so that the first link member and the second link member can rotate relative to each other about a predetermined rotation axis is disposed between the key top and the membrane sheet. A first holder member which rotatably holds one end of the first link member and a second holder member which is a different member from the first holder member and which slidably holds one end of the second link member are affixed to the back plate. The other end of the first link member can slide relative to the key top, and the other end of the second link member is held by a rotation holding section provided to the key top. Among the first link member and the second link member, at least the link member which is located inside in the direction of the rotation axis is constructed from a plate-shaped member.
Inventors:
YAMADA, Shigeru (1-7-12 Toranomon, Minato-k, Tokyo 60, 〒1058460, JP)
山田 茂 (〒60 東京都港区虎ノ門一丁目７番１２号 沖電気工業株式会社内 Tokyo, 〒1058460, JP)
山田 茂 (〒60 東京都港区虎ノ門一丁目７番１２号 沖電気工業株式会社内 Tokyo, 〒1058460, JP)
Application Number:
JP2011/003174
Publication Date:
January 19, 2012
Filing Date:
June 06, 2011
Export Citation:
Assignee:
Oki Electric Industry Co., Ltd. (1-7-12 Toranomon, Minato-ku Tokyo, 60, 〒1058460, JP)
沖電気工業株式会社 (〒60 東京都港区虎ノ門一丁目７番１２号 Tokyo, 〒1058460, JP)
YAMADA, Shigeru (1-7-12 Toranomon, Minato-k, Tokyo 60, 〒1058460, JP)
沖電気工業株式会社 (〒60 東京都港区虎ノ門一丁目７番１２号 Tokyo, 〒1058460, JP)
YAMADA, Shigeru (1-7-12 Toranomon, Minato-k, Tokyo 60, 〒1058460, JP)
International Classes:
H01H13/14; H01H13/702
Attorney, Agent or Firm:
MAEDA, Minoru et al. (MAEDA & YAMAGATA, Koda Bldg. 4F16-2, Yoyogi 2-chom, Shibuya-ku Tokyo 53, 〒1510053, JP)
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Claims:
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