Switch for water boiling appliance such as a kettle

Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element

Reexamination Certificate

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Details

C337S381000, C337S333000, C337S354000, C219S241000, C219S510000, C219S494000

Reexamination Certificate

active

06914514

ABSTRACT:
A steam-responsive switch for use in an electrical water boiling appliance comprises a main body (12) from which extends a tubular portion (13) having at or near its leading end a heat responsive bimetal (16) extending across the mouth thereof which changes shape above a predetermined temperature defining a chamber behind the member and at the opposite face of the main body (12) an electrical contact pair, the bimetal (16) engaging on its rear face a slidable pushrod (20) which extends through the main body (12) in a sealed manner to act on the electrical contact pair, the tubular portion having a steam/air vent (64) at one side thereof adjacent the rear face of the bimetal (16).

REFERENCES:
patent: 3665841 (1972-05-01), Hardy et al.
patent: 3725643 (1973-04-01), Clausse
patent: 3781521 (1973-12-01), Kircher
patent: 3784788 (1974-01-01), Fourny
patent: 4358666 (1982-11-01), Taylor
patent: 4376925 (1983-03-01), Taylor
patent: 4539468 (1985-09-01), Phillips et al.
patent: 4621186 (1986-11-01), Taylor et al.
patent: 4754122 (1988-06-01), Coppier
patent: 4982654 (1991-01-01), Bourgeois
patent: 5635092 (1997-06-01), O'Neil
patent: 5693244 (1997-12-01), Pragt et al.
patent: 5793020 (1998-08-01), O'Neill
patent: 5794520 (1998-08-01), Hefford
patent: 5852281 (1998-12-01), Melgaard et al.
patent: 6172341 (2001-01-01), Hoffmann et al.
patent: 81 32 008.6 (1981-11-01), None
patent: 3801583 (1989-08-01), None
patent: 1 457 507 (1976-12-01), None
patent: 1470364 (1977-04-01), None
patent: 2 097 920 (1982-05-01), None
patent: 2 117 568 (1983-03-01), None
patent: 2 170 956 (1986-01-01), None
patent: 2 213 646 (1989-01-01), None
patent: 2213646 (1989-08-01), None
patent: 2 221 795 (1989-08-01), None
patent: 2252875 (1992-08-01), None
patent: 2 331 848 (1998-05-01), None

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