RIGID BEAM OF PORTAL FRAME TYPE PLATFORM
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United States of America Patent
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N/A
Issued Date -
Jun 23, 2011
app pub date -
Jan 13, 2010
filing date -
Dec 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A rigid beam of portal frame type platform, including a hollow body section with a substantially rectangular cross section. The body section linearly extends by a predetermined length. At least one diaphragm section is disposed on the body section. Two sides of the diaphragm section are connected with two lengthwise sidewalls of the body section as seen in cross section to bridge the diaphragm section between the sidewalls. The diaphragm section and the length of the rectangular cross section contain a predetermined angle. Two protruding rails are disposed on outer face of one of the lengthwise sidewalls of the body section in parallel to each other as seen in cross section. The protruding rails extend along a length of the body section. A side seat protrudes from outer face of the other lengthwise sidewall as seen in cross section. The side seat extends along the length of the body section.
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International Classification(s)
Cited Art Landscape
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