Workpiece support trays for furnances

A flexible, relatively lightweight workpiece support tray for engaging a drive mechanism of a furnace, the tray comprising:

• a plurality of spacers juxtaposed between a plurality of lateral 1-beams, the I-beams being held together through a plurality of rods, each of the lateral I-beams having a recess for receiving a tab on each side of the spacers;
• a plurality of shoes located on and removably attached to the tray, the pair of shoes having offset ears that project upwardly through an opening in the spacer, each offset ear having an opening through which the rod is inserted, the rod being simultaneously inserted into the openings of the spacer;
• and
• a puller/pusher bar attached to each end of the shoe for engaging the drive mechanism of a furnace.

A pair of articulated, relatively lightweight workpiece support trays for engaging a drive mechanism of a furnace, each of the trays comprising:

• a plurality of spacers juxtaposed between a plurality of lateral I-beams, the I-beams being held together through a plurality of rods, each of the lateral I-beams having a recess for receiving a tab on each side of the spacers;
• a pair of shoes located on and removably attached to the bottom intended side of the tray;
• a puller/pusher bar attached to each end of the shoe for engaging the drive mechanism of a furnace;
• and
• a connector between the trays, the connector including a slide connector and T-connector spot welded to the slide connector when assembled.