Electric hotplate

Details Electric hotplate Electric hotplate

1990-10-09

1992-06-16

Walberg, Teresa J.

Electric heating

Heating devices

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

219467, 219457, 219541, H05B 370

Patent

active

051226391

ABSTRACT:
An electric hotplate has leads projecting from the underside and whose ends form connecting pins and provided with plugging pieces in the form of flat plugging tongues, connected by plugging connections to matching plugs of apparatus lines. On the plugging pieces is mounted an insulator which, like the plugging pieces, forms a preassembled unit and can be transferred from a stacking position into a connection position. The matching plug can be formed by a socket with stops acting in and counter to the plugging direction and whereof one is constructed so that it automatically snaps in.

REFERENCES:
patent: 3045101 (1962-07-01), Bremer
patent: 3110795 (1963-11-01), Bremer
patent: 3221396 (1965-12-01), Bremer et al.
patent: 3336466 (1967-08-01), Cunningham
patent: 3447121 (1969-05-01), Ammerman
patent: 3750092 (1973-07-01), Bury
patent: 4348581 (1982-09-01), Fischer
patent: 4410793 (1983-10-01), Fischer
patent: 4467181 (1984-08-01), Fischer
patent: 4596440 (1986-06-01), Quam
patent: 4767915 (1988-08-01), Hurley
patent: 4781628 (1988-11-01), Detter et al.
patent: 4818846 (1989-04-01), Kicherer et al.

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