Refrigerator having a cool air leak-prevention device

Details Refrigerator having a cool air leak-prevention device Refrigerator having a cool air leak-prevention device

1993-11-05

1995-05-02

Brittain, James R.

Supports: cabinet structure

Spaced insulated wall

Refrigerator cabinet

312296, 49368, 62441, E06B 716

Patent

active

054113288

ABSTRACT:
A refrigerator has a body forming a compartment, and first and second doors mounted in side-by-side relationship on the body for closing the compartment. Each door is hinged along an outer vertical edge thereof such that the inner vertical edges of the doors face one another and form a gap when the doors are closed. In order to prevent cool air loss through that gap, a leak prevention member is hinged on the back side of the first door for rotation about a vertical axis. When the first door is closed, a pin on the leak prevention member engages a guide groove formed on the body for rotating the leak prevention member to an operative position in which it extends across the gap to resist cool air leakage. A locking element carried by the leak prevention member locks the leak prevention element against rotation to its operative position while the first door is open. The locking element engages an upwardly inclined portion of the groove during closing of the first door to raise the locking element to an unlocking position permitting rotation of the leak prevention member to its operative position.

REFERENCES:
patent: 1918865 (1933-07-01), Purdy
patent: 2692809 (1954-10-01), Kesling
patent: 3590531 (1971-07-01), Childs
patent: 4288135 (1981-09-01), Buchser et al.
patent: 4428153 (1984-01-01), Klinger et al.
patent: 4711098 (1987-12-01), Kuwabara et al.
Translated Japanese Abstract: Nonaka, Hikari; "Door Device for Refrigerator or the Like", May 11, 1992, Toshiba Corp., Pat. No. 4,136,679(A).
Translated Japanese Abstract: Yamanaka, Tomiji; "Door Device For Refrigerator", Jul. 1, 1992, Hitachi Ltd.,; Pat. No. 4,187,981(A).

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