Electric heating – Microwave heating – With control system
Patent
1997-03-28
1999-04-20
Leung, Philip H.
Electric heating
Microwave heating
With control system
219757, 126197, H05B 676
Patent
active
058956018
ABSTRACT:
A door lock mechanism with a duct is disclosed, which has a duct section, a first lock part, a link bar part, a link bar part guiding part, a second lock part and an engagement part. The link bar part is formed in a rectangular bar shape and has a plurality of engagement grooves. One end of the link bar part is fixedly connected to the other end of the first lock part. The link bar part guiding part is formed in a rectangular bar shape of which center portion is hollow to form an insertion groove. The upper portion of one side of the link bar part guiding part has an engagement hole, and the link bar part guiding part is long enough for the link bar part to be fully inserted thereinto. The link bar part is inserted from the other end of the link bar part guiding part and each of the plurality of engagement grooves become correspondent to the engagement hole in turn when the link bar part is inserted into the insertion groove of the link bar part guiding part.
REFERENCES:
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patent: 4749835 (1988-06-01), Fukumoto
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patent: 4982063 (1991-01-01), Tsunekawa et al.
Daewoo Electronics Co. Ltd.
Leung Philip H.
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