Refrigeration – Article moving means – Rotary about fixed axis – e.g. – rotary shelf or scraper
Patent
1988-03-14
1989-10-24
Capossela, Ronald C.
Refrigeration
Article moving means
Rotary about fixed axis, e.g., rotary shelf or scraper
198778, F25D 2502
Patent
active
048753432
ABSTRACT:
Disclosed is a climate chamber, such as a refrigeration chamber, with a conveyor apparatus. The conveyor apparatus includes an endless, partially collapsible conveyor belt having a product-supporting bed with an upstanding sidewall along one edge of the belt. The belt is coiled in a generally helical configuration to form a plurality of helical tiers stacked one above the other, so that the sidewall portions form a substantially continuous wall-like surface, with the top portion of a wall of an underlying tier contacting an adjacent superior tier so as to form a generally self-supporting edge region of the conveyor belt. The other edge of the conveyor belt is supported by a generally helical guide rail, which maintains adjacent tiers of the helical stack spaced apart from one another. Air flow through the stack can be freely circulated between the spaced other edges of adjacent tiers and/or vertically through the perforated conveyor belt. The rail-supported edge of the helical stack may be located at either the radically inner or radially outer portions thereof. Arrangements are disclosed for driving the conveyor belt. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 3348659 (1967-04-01), Roinestad
patent: 3391548 (1968-07-01), Gram
patent: 3412476 (1968-11-01), Astrom
patent: 3794156 (1974-02-01), Brackmann et al.
patent: 3938651 (1976-02-01), Alfred et al.
patent: 4103768 (1978-08-01), Persson
patent: 4565282 (1986-01-01), Olsson et al.
patent: 4679687 (1987-07-01), Rehm
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