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US Patent 7229311 Electronic instrument

Patent 7229311 was granted and assigned to Sony on June, 2007 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Sony
Sony
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
72293110
Patent Inventor Names
Kota Nagano0
Date of Patent
June 12, 2007
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Patent Application Number
113395570
Date Filed
January 26, 2006
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Patent Primary Examiner
‌
James Harvey
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Patent abstract

Disclosed is an electronic instrument having a housing, a battery accommodating section provided in the housing, and a spring for battery ejection which is pressed by a battery inserted into the battery accommodating section and thus stored in power. In the instrument, the spring for battery ejection includes a spring force generation portion, a first arm portion provided at one end of the spring force generation portion, a second arm portion that is provided at the other end of the spring force generation portion and extends with a certain opening angle with respect to the first arm portion, a first shaft portion provided at an end of the first arm portion, and a second shaft portion provided at an end of the second arm portion. The first shaft portion is mounted in a first bearing portion provided in the housing, and the second shaft portion is slidably mounted in a second bearing portion provided in the housing.

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