Refrigerated display case having an accordion-type combined air

Details Refrigerated display case having an accordion-type combined air Refrigerated display case having an accordion-type combined air

1981-12-31

1983-09-06

King, Lloyd L.

Refrigeration

Display type

With air controlling or directing means

160 84R, A47F 304

Patent

active

044021925

ABSTRACT:
A refrigerated display case, of the type in which air flows through a duct and is circulated about a product display space, has a service opening at the rear of the case. Disclosed is an accordion-pleated, hollow wall structure which is both an air duct and a door. The structure in its closed position communicates at top and bottom with adjacent portions of the conduit through which air is circulated during refrigeration or, in some instances, during defrost cycles of the case. In its open position, the hollow structure defines a service opening at the rear of the case through which dairy product support carts can be rolled into or out of the case. The hollow structure is sectionally formed in a manner to define the service opening at any selected cart location.

REFERENCES:
patent: 3021691 (1962-02-01), Jacobs
patent: 3063255 (1962-11-01), Fanick, Jr.
patent: 4019554 (1977-04-01), Rasmussen
patent: 4034572 (1977-07-01), Morris et al.
patent: 4275645 (1981-06-01), Ruff

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