Telescopic boom-mounted concrete pump apparatus
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United States of America Patent
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Jan 20, 2004
Issued Date -
N/A
app pub date -
Feb 13, 2002
filing date -
Jan 7, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A telescopic boom-mounted concrete pump is provided wherein a telescoping boom assembly is pivotally and rotatably mounted on the platform of the truck. The boom assembly includes inner, intermediate and outer boom members. A first concrete conduit which is in fluid communication with a source of pressurized concrete is mounted at one side of the inner boom member for movement therewith. A normally U-shaped flexible concrete hose has its inlet end thereof connected to the discharge end of the first concrete conduit. A rigid concrete conduit has its inlet end connected to the discharge end of the flexible concrete hose. A jib boom member in the form of a concrete discharge conduit is pivotally and rotatably connected to the outer end of the outer boom member and is in fluid communication with the rigid concrete conduit. The jib boom member may be removed from the outer end of the outer boom member and replaced with an aerial platform. A winch and sleeve is also mounted on the boom assembly.
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