Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hsin-Chen Yang0
Date of Patent
May 16, 2006
0Patent Application Number
104613750
Date Filed
June 16, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A multi-purpose tubular frame structure that is assembled by an interlocking conjoinment and, furthermore, provides for height adjustment. A plurality of retaining holes are formed in the corner posts of the invention herein and each retaining hole is a semi-trapezoidal opening with the sides at the lower half gradually angled inward such that cleat blocks disposed on a horizontal tube can be positionally engaged therein.
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