Supports: cabinet structure – Spaced insulated wall – Refrigerator cabinet
Reexamination Certificate
1999-02-25
2001-06-19
Cuomo, Peter M. (Department: 3636)
Supports: cabinet structure
Spaced insulated wall
Refrigerator cabinet
C312S139200
Reexamination Certificate
active
06247773
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a cooling storage cabinet whose opening is openably closed by slidable doors.
Hitherto, in the kind of cooling storage cabinet, for example, as shown in Japanese Patent Application Publication Laid-open No. 3-27835, a storage chamber for receiving articles is constructed in a heat insulating housing whose upper surface is opened and the opening on the upper surface of the heat insulating housing is openably closed by slidable doors.
Each door is constructed in such a manner that one or double glazings is fitted into a door sash made of resin or aluminum. The sash is slidably arranged into rail portions formed on the edges of the opening of the heat insulating housing.
When the cooling storage cabinet is placed outside, air around the door glazing surface is cooled and condensation occurs due to a temperature difference between internal and external temperatures of the door glazing. Particularly, under conditions of high humidity in the summer season, there is a problem that the amount of condensation increases and it results in soil around the cooling storage cabinet.
In order to solve the above problem, when the opening is closed by a heat insulating material having good heat insulating properties, a problem sometimes occurs in that the opening cannot be opened or closed due to a difference in dimension.
SUMMARY OF THE INVENTION
The invention is made in order to solve the conventional technical problems and intends to provide a cooling storage cabinet which can easily and certainly prevent condensation in the glazing of doors from generating under such installing conditions that the condensation easily occurs.
The cooling storage cabinet according to the invention is constructed in such a manner that an opening of a heat insulating housing is opened and closed by slidable doors and each door is constructed by a heat insulating wall formed so that the dimension in thickness of a peripheral portion is thinned and a door sash is fitted into the peripheral portion of the heat insulating wall.
The cooling storage of the invention has a plurality of doors arranged inside and outside in a double sliding manner in the above construction. The heat insulating wall of the door located outside is outwardly expanded from the peripheral portion. The heat insulating wall of the door located inside is inwardly expanded from the peripheral portion.
Further, in accordance with the invention, the cooling storage of the invention has holding portions for holding advertising members on the external surfaces of the heat insulating walls of the doors.
REFERENCES:
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patent: 2192519 (1940-03-01), King
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patent: 2276635 (1942-03-01), Weber
patent: 2446601 (1948-08-01), Lelyveld
patent: 2531323 (1950-11-01), Connell
patent: 2569763 (1951-10-01), Hofferberth
patent: 2608181 (1952-08-01), Schmidt et al.
patent: 2793925 (1957-05-01), Rosen
patent: 4449761 (1984-05-01), Davis et al.
patent: 2217776 (1990-08-01), None
Harigai Kazuo
Kakinuma Zenichi
Kishimoto Daisaburo
Naganuma Hiroshi
Cuomo Peter M.
Darby & Darby
Hansen James O.
Sanyo Electric Co,. Ltd.
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