Pressurized fluid lift system for a cryogenic freezer

Refrigeration – Article moving means – Continuous longitudinal-type conveyor

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Details

49116, 49118, 62303, F25D 2504

Patent

active

045804133

ABSTRACT:
A cooling and or freezing tunnel is described having a toggle linkage and a pressurized fluid drive to open and close a plurality of openable sections of the tunnel for access and cleaning of the interior. The toggle linkages provide more accurate and reliable movement than the prior art means for opening such tunnels.

REFERENCES:
patent: 1822077 (1931-09-01), Birdseye
patent: 3226947 (1966-01-01), Wakatsuki et al.
patent: 3580000 (1971-05-01), Wagner
patent: 3583171 (1971-06-01), Flynn et al.
patent: 3757533 (1973-09-01), Kent
patent: 3813895 (1974-06-01), Klee et al.
patent: 3892104 (1975-07-01), Klee et al.

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