Door-opening device for storeroom

A door-opening device and storage technology, which is applied to household refrigeration devices, cooling fluid circulation devices, switches with braking devices, etc., and can solve problems such as rising to abnormal high temperature, temperature rise, and long switch intervals
CN1515857AInactive Publication Date: 2004-07-28TOSHIBA LIFESTYLE PROD & SERVICES CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TOSHIBA LIFESTYLE PROD & SERVICES CORP
Publication Date
2004-07-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

A door opening device for a food storage apparatus such as a household refrigerator includes a generally cylindrical coil unit (12) mounted on a body (1) of the storage apparatus and having an axially extending through hole (105), a plunger (14) mounted in the hole (105) of the coil unit (12) so as to be axially moved with respect to the coil unit (12), the plunger (14) being moved in a direction when the coil unit (12) is energized, and a pushing member (15) mounted on one axial end of the plunger (14) so as to be moved with the plunger (14), the pushing member (15) pushing the door (2a) in an opening direction against a sticking force of the magnet gasket (2b) when moved in the one direction with the plunger (14).
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Description

[0001] This application is a divisional application of the invention application entitled "The Door Opening Device of Storage Warehouse" with the application number 00124181.8 submitted on August 17, 2000. technical field

[0002] The present invention relates to a door opener for a storage room having a door kept closed by a magnetic seal.

[0003] Moreover, this invention relates to the door-opening apparatus for storage rooms provided with the unit for opening a solenoid type door. Background technique

[0004] In recent years, the size of the refrigerator used as a storehouse has obviously tended to increase, and the door for opening and closing the refrigerator etc. has also tended to increase in size accordingly. The general structure of the door for such a refrigerator is to keep its closed state by the adsorption force of the magnetic seal. However, if the door is enlarged, the total extension length of the magnetic seal becomes longer. The necessary operating force...

Claims

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