| 摘要 |
A spacer bar and spacer for prepackaged food freezers of the multiple flat plate type which enables the spacing between the plates to be quickly changed to accommodate different thickness food packages. The spacer bar has a plurality of pairs of parallel sides, each pair being spaced a different predetermined amount whereby, by selectively rotating each spacer bar, the spacing between adjacent plates can be quickly changed. A spacer plate is further provided for adjusting the position of the stack of plates relative to the loading and discharge openings to accommodate changes in the overall height of the stack of plates caused by the different plate spacings.
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