Door operating mechanism for refrigerated merchandiser display c

Details Door operating mechanism for refrigerated merchandiser display c Door operating mechanism for refrigerated merchandiser display c

1980-05-01

1982-07-27

King, Lloyd L.

Refrigeration

Processes

Defrosting or frost inhibiting

49340, 62256, 62282, A47F 304

Patent

active

043410839

ABSTRACT:
An improved refrigerated merchandiser cabinet for food products storage and displaying which is equipped with transparent barrier doors which are openable by a door operating mechanism which selectively creates a gap between the door and the covered access opening to permit flow-through of ambient air for use during the defrost cycle. The door operating mechanism also permits the gap to be closed by imposition of an outside force by provision of a motion take-up means. Normal product entry and customer usage is provided for. Operation of the refrigerated cabinet with either a single or multiple air bands during a refrigeration cycle is provided for. During the defrost cycle a number of ambient air flow patterns can be employed, including the use of an auxiliary air fan. Reversal of the air band flow pattern during a defrost cycle is provided for. The method of operating the improved refrigeration display cabinet is also included.

REFERENCES:
patent: 2987782 (1961-06-01), Kurowski
patent: 3141662 (1964-07-01), Wise

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