Scaffold erection structure
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United States of America Patent
Stats
-
May 7, 1991
Grant Date -
N/A
app pub date -
Jul 23, 1990
filing date -
Jul 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A structure particularly adapted for erecting construction site scaffolding comprises an elongated lower frame pivotally joined to an upper frame. The lower frame is formed with a pair of radiused guide rails which interact with slide brackets of the upper frame when the lower frame is rotated above the pivot connection. The upper frame further includes two sets of spaced apart tube sections prepared to receive tongs of a forklift-type truck. The lower frame in turn has a series of downward extending, spaced apart retaining brackets. To erect a section of scaffold the erection structure first is raised by the forklift truck to allow upper cross pieces of scaffold end frame units to be secured in the lower frame retaining brackets. While these end frame units are hanging freely downward, they are joined together by crossing bracing to form a self-supporting first setional tier of the scaffold. A second sectional tier may be added by further raising the erection structure. Upper ends of further scaffold end frame units next are connected to lower ends of the end frame units of the first sectional tier. Further cross bracing then is connected to complete the second sectional tier.
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Cited Art Landscape
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