Method for defrosting a laboratory freezer door

Details Method for defrosting a laboratory freezer door Method for defrosting a laboratory freezer door

1993-07-12

1994-08-23

Tanner, Harry B.

Refrigeration

Processes

Defrosting or frost inhibiting

62272, 62298, F25D 2100

Patent

active

053396430

ABSTRACT:
The disclosure involves a method for defrosting an inner door of a laboratory freezer having (a) a plurality of inner doors, each closing a separate compartment, and (b) an outer door covering the inner doors. The method includes the steps of opening the outer door, removing at least one inner door, closing the outer door and defrosting the removed inner door. In that way, an inner door is defrosted without disturbing the contents of the freezer and, particularly, the contents of the compartment from which the door is removed. Optionally, the freezer user may keep a spare inner compartment door on hand and use it to immediately replace the removed door before closing the outer door. Door defrosting steps and a new hinge mechanism facilitating quick door removal are also disclosed.

REFERENCES:
patent: 2537314 (1951-01-01), Mortensen
patent: 3094851 (1963-06-01), Beckwith
patent: 3177678 (1965-04-01), Facey, Jr.
patent: 3858408 (1975-01-01), Kenyon
patent: 4603558 (1986-08-01), McAdams
patent: 4781031 (1988-11-01), McElvany

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