Food freezing tunnel

Details Food freezing tunnel Food freezing tunnel

1987-05-07

1988-11-08

Capossela, Ronald C.

Refrigeration

Article moving means

Continuous longitudinal-type conveyor

62 63, 62374, F25D 2504

Patent

active

047826681

ABSTRACT:
A food freezing tunnel has a trough member and a roof member. In order to gain access to the interior of the tunnel, for example for purposes of cleaning the tunnel, the trough member is able to be raised and lowered. Jack means housed in the respective legs of the tunnel are driven by for example an electric motor to lower and raise the tunnel. The trough has counterweights. Typically the jack includes a rotary screw-threaded shaft which carry a nut connected to a chain which travels over pulleys and which is secured to the trough member.

REFERENCES:
patent: 3580000 (1971-05-01), Wagner
patent: 3757533 (1973-09-01), Kent
patent: 3879954 (1975-04-01), Cann
patent: 4171625 (1979-10-01), Morgan et al.
patent: 4276753 (1981-07-01), Sandberg et al.

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