Avionic tray of decreased weight
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United States of America Patent
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Aug 23, 1988
Grant Date -
N/A
app pub date -
Apr 28, 1987
filing date -
Apr 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An avionic tray adapted to be made in several width and sizes including standard ATR widths is made from aluminum alloy sheet which had beads or corrugations to compensate for decreased overall width of the sheet. Typically, the sheet is made from 0.040' thick 6061-T6 aluminum alloy, and the beads or corrugations increase the effective apparent thickness of the sheet to the usual tray thickness of 0.063'. In a bottom section of the tray the beads run substantially parallel with the longitudinal axis of the tray, but do not extend to a deformed area where a metering plate is mounted. In side rails of the tray one bead runs parallel with the longitudinal axis, and the rest of the beads are disposed parallel with an edge of the side rail which is itself at an acute angle to the longitudinal axis of the tray. Jig pins provided in the side rails of the tray comprise extrusions of the material of the side rail which surround punched-out holes in the material.
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