Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 13, 2009
Patent Application Number
11405625
Date Filed
April 18, 2006
Patent Primary Examiner
Patent abstract
An elevating device includes first and second rack members interconnecting each other in such a manner to protrude downwardly from a lower opening of an outer casing in a double-step manner so as to be supported on a support surface. The elevating device adjusts an inclination angle of the outer casing relative to the support surface.
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