The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 05, 1994

Filed:

Jan. 24, 1992
Applicant:
Inventors:

Pierre Chartrain, Soliers Bourguebus, FR;

Michel G de Matteis, Cambes-en-Plaine, FR;

Bernard M Bois, Caen, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219722 ; 219739 ; 292D / ; 292106 ; 292113 ; 126197 ; 200 / ; 200 / ; 200 6162 ;
Abstract

An oven comprises a cooking chamber having a movable door (3) hinged on the forward surface (2) of said oven and provided with a hook (4) comprising a nose (5) and a catch (6). The hook enters an opening (9) in the forward surface to actuate a movable locking element (7). The locking element comprises a wheel (20) pivotally mounted on a plate (14) fixed to the forward inside surface of the oven. This wheel comprises a first surface (A) comprising two abutment lugs (22 and 23), a safety lock constituted by a blocking finger (25) fixed on the second surface (B) of the wheel and controlled by a safety spur (24) that projects through an opening (23') transversely to the first surface (A) and adapted, either to come into abutment with stop boss (26) of the plate, or to permit the rotation of the wheel. Application to all closure devices, particularly to a household microwave oven to prevent operation thereof by e.g. a child, when the door is open.


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