Method and apparatus for securing a power head on an...

Details Method and apparatus for securing a power head on an... Method and apparatus for securing a power head on an...

2005-08-30

2005-08-30

Pelham, Joseph (Department: 3742)

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

C126S02100R, C099S476000

Reexamination Certificate

active

06936795

ABSTRACT:
An electric cooker includes a base, a housing supported on the base and having an opening, and a power head configured to be removably attached to the housing at the opening. The power head includes a heating unit for generating and directing heat into the housing. At least one land piece is provided on the power head for securing the power head onto the housing, and at least one corresponding tab piece is provided on the housing and is configured to matingly engage the land piece for removably attaching the power head onto the housing. A locking device provided on the power head proximate the land piece prevents the land piece and the tab piece from disengaging from a temperature increase inside the housing.

REFERENCES:
patent: 5165328 (1992-11-01), Erickson et al.
patent: 5329919 (1994-07-01), Chang
patent: 5466912 (1995-11-01), Dornbush et al.
patent: 6201217 (2001-03-01), Moon et al.
patent: 6747250 (2004-06-01), Cha

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