Cooking apparatus, latching construction therefor and methods of

Details Cooking apparatus, latching construction therefor and methods of Cooking apparatus, latching construction therefor and methods of

1994-05-27

1995-08-08

Leung, Philip H.

Electric heating

Heating devices

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

219724, 126197, 292DIG69, 200 50A, F24C 708, H05B 102

Patent

active

054401038

ABSTRACT:
A cooking apparatus, a latching construction therefor and methods of making the same are provided, the latching construction comprising a frame carrying a movable latch member and a drive unit operatively interconnected to the latch member to move the latch member between the latching and unlatching positions thereof, the drive unit comprising a cylinder having opposite ends and a movable piston extending from one of the opposite ends and being operatively interconnected to the latch member, the drive unit having an actuator to extend the piston so as to be adapted to move the latch member from its non-latching position thereof to its latching position thereof when the actuator is first actuated for a door locking operation thereof, the drive unit having an additional unit adapted to cause the piston to be retracted after the latch member has been moved to the latching position thereof by the first activation of the actuating unit while maintaining the latch member in its latching position until the actuating means is again actuated.

REFERENCES:
patent: 3784776 (1974-01-01), Asanuma
patent: 3805528 (1974-04-01), Huebscher
patent: 4095427 (1978-06-01), Stropkay
patent: 4887429 (1989-12-01), Birli, Sr. et al.
patent: 4901474 (1990-02-01), Bayard et al.
patent: 4927996 (1990-05-01), Genbauffe et al.
patent: 4935989 (1990-06-01), Miller
patent: 4951693 (1990-08-01), Archambault
patent: 5375437 (1994-12-01), Dausch et al.
Copending patent application, Ser. No. 229,378, filed Apr. 18, 1994.

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