| 摘要 |
An extensible support system for endless conveyor belts and the like has a plurality of pairs of generally transversely aligned primary and secondary interconnected members, a plurality of flexible restrictive members, such as chains, secured between successive primary and secondary members to restrict the spacing of the members at their lower ends, transverse members interconnecting portions of the generally transversely aligned pairs of primary and secondary members, and a plurality of conveyor belt and the like supporting elements supported by pairs of either the primary or secondary members. A carrier for the pluralities of primary and secondary members is provided, which includes a pair of longitudinally extending rail members on which the primary or secondary members are supported and guided during movement to and from an extended position. A cable support system is additionally provided in which the cable supports are horizontally pivotable allowing the cable to form loops during retraction for neatly supporting the cable and the cable supports in a nested arrangement.
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