At&t Technologies, Inc.

Fred E Thompson

William M Chisholm

An article of manufacture having specific utility as a multi-purpose, stackable transport tray for printed-wiring boards and accessories therefor in reusable carrier shuttles and comprising an open-work base with side portions extending upward from the base. A shelf runs the inside length of each side portion with a plurality of fin-shaped support members spaced away from the shelf by an arbitrary amount and extending inwardly from the side portion. A plurality of stiffening members extend from the base to the shelf. A plurality of ribs on the bottom surface of the base extend in a direction parallel with the sides and positioned so as to interlock and engage the support members of an underlying tray. A plurality of transverse ribs on the bottom of the base are also so positioned to engage the support members of an underlying tray.

Multi-purpose transport tray

An electrically nonconductive board (22) has thin layers (24, and 25) of metal bonded to major surfaces thereof to form a laminate substrate (20). Axially aligned relief holes (26), each having a side wall (27) are formed in each of the thin layers (24 and 25) of metal of the laminate substrate (20). The laminate substrate (20) and the relief holes (26) are then coated and encapsulated with a plastic resin (28) to form a plastic coated laminate (30).

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Quinton, VA, United States of America

Fred E Thompson