Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 16, 2009
Patent Application Number
11743711
Date Filed
May 3, 2007
Patent Primary Examiner
Patent abstract
A pressure gauge includes a core, a first dial, a first hand, a second dial, a second hand and a gear system. The core includes a body, a joint connected to the body and a Bourdon tube connected to the body. The first dial is connected to a side of the core for showing a large range of pressure. The first hand is located on the first dial. The second dial is connected to an opposite side of the core for showing a small range of pressure. The second hand is located on the second dial. The gear system connects the Bourdon tube to the first and second hands.
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