Patent ID: 6333495
Filing Date: 2001-12-25
Classification: H05B

Abstract:
A safety device for a microwave oven including a cabinet having a cooking chamber and a device chamber, a power supply, a driving circuit, and a door coupled to said cabinet to open and close said cooking chamber, comprising:a door key movably mounted on said door, having a first key switch portion protruding toward a front side of said cabinet and inserted into said device chamber through said front side when said door closes said cooking chamber;said first key switch portion having a main body and a distal end extended from said main body, said distal end having an end surface and two opposite side surfaces spaced-apart from each other by a predetermined length of said end surface; anda plurality of switches turned on/off in accordance with said distal end of said first key switch portion to selectively connect said power supply to said driving circuit, said switches disposed within said device chamber to be spaced-apart from each other by said length and disposed to contact respective opposite side surfaces of said distal end of said first key switch portion when said distal end is inserted between said switches.