Patent ID: 7618231
Filing Date: 2009-11-17
Classification: B65G

Abstract:
1. A telescoping support strut configured to support a conveyor assembly of a portable conveyor system relative to a base frame, the support strut comprising: a first strut section having a first hollow tubular beam and a second hollow tubular beam, the first and second beams being spaced apart and generally parallel to one another, a surface of the first beam facing a surface of the second beam along a length of the first strut section, the facing surfaces of the first and second beam each having a width, the first strut section further having a plurality of braces connected to the facing surfaces of the first and second beams, the first and second beams of the first strut section each having a first end and a second end, and a connector at the first end configured to pivotally connect to the conveyor assembly of the portable conveyor system; a second strut section having a first channel beam and a second channel beam, the first and second channel beams having a generally equal length and being generally parallel to one another, the first and second channel beams each comprising a generally C-shaped perimeter wall having first, second and third wall portions and an elongate opening that extend the length of the first and second channel beams, the first and third wall portions being generally parallel to one another, the elongate opening of the first channel beam facing the elongate opening of the second channel beam, and a plurality of braces coupled between respective first and third wall portions of the perimeter wall of the first and second channel beams, the first and second channel beams each having a first end configured to pivotally connect to the base frame of the portable conveyor system and a second end configured to receive the second ends of the first and second beams, respectively, of the first strut section, the first strut section movable within the second strut section; and first and second telescoping hydraulic cylinders extending along the second strut section between the first and second channel beams, the first and second hydraulic cylinders connected to the first strut section to telescopically extend the first strut section relative to the second strut section.