CPC B65G 41/005 (2013.01) [B65G 15/22 (2013.01); B65G 15/26 (2013.01); B65G 21/12 (2013.01); B65G 21/14 (2013.01); B65G 41/00 (2013.01); B65G 47/18 (2013.01)] | 12 Claims |
1. A portable multi-sectioned telescoping conveyor boom assembly, comprising:
a first boom section that is coupled at a feed point to a rotatable base joint about which the first boom section can be rotated, the feed point being proximate to a first end of the first boom section;
at least one telescoping boom section that is telescopically mounted in the first boom section so as to be alternatively extended from the first boom section in a coaxial alignment from a second end of the first boom section, or withdrawn into the first boom section at the second end of the first boom section;
wherein the first boom section comprises a hinge between the feed point and the second end of the first boom section, wherein a declination portion of the first boom section is defined between the hinge and the second end of the first boom section and a fixed portion is defined between the hinge and the first end of the first boom section;
a first boom section actuator operable to alternatively raise and lower the first boom section between a horizontal position and a raised position in which the second end of the first boom section is elevated; and
a hinge actuator coupled between a pivot point of the fixed portion and a pivot point of the declination portion and wherein the hinge actuator is operable to decline the declination portion relative to the fixed portion.
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