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| Number | Title | Issue Date |
| 7364209 | Mechanical latch assembly A mechanical latch assembly includes a supporting frame, a locking latch, an actuation arrangement and a safety lock arrangement. The locking latch is slidably mounted on the supporting frame in longitudinally movable manner. The actuation arrangement includes an ac... | 04/29/2008 |
| 7176416 | Switching device for controlling an industrial cooking apparatus A switching device for controlling an industrial cooking apparatus having a cooking chamber that can be closed by means of a door having a movable door handle with a movable door latch attached to it, with a switch fixed to the housing and with a magnet for actuatin... | 02/13/2007 |
| 7150480 | Appliance lid lock and method for using same An appliance lid lock includes a sensing circuit which senses the position of the lid lock relative to the appliance lid. When the appliance lid is in its closed position and the lid lock retentively engages the appliance lid, a controller causes activation of the a... | 12/19/2006 |
| 7147255 | Combination cam lock/tilt latch and latching block therefor with added security feature A latch reinforcing block for engagement with the nose portion of any tilt latch assembly and preferably with the above-mentioned camlock/tilt latch combination, the block comprising a top and bottom and having extending from proximate the top to proximate the botto... | 12/12/2006 |
| 7090263 | Door latching device and method An apparatus for latching a door against a frame has a door pin extending from the door and a handle lever rotatably mounted to the door and having an extending handle pin. A latch bar is mounted for reciprocating travel relative to the frame, the latch bar having a... | 08/15/2006 |
| 7029296 | Cover assembly for vacuum electron device A self guiding cover assembly for a vacuum electron device (VED) enclosure has a cover, a pair of guide plates, and a pair of guide elements. The cover has a top, a sidewall, an inside and an outside, and at least one electrical connector disposed on the inside of t... | 04/18/2006 |
| 6997129 | Apparatus, and associated method, for operating a lid to a hatch An apparatus having at least one paw hingedly attached to a compartment side of a lid configured for covering a hatch of a compartment. At least one catch is positioned on a wall of said hatch for engagingly receiving the at least one paw. A spring is positioned for... | 02/14/2006 |
| 6930284 | Safety device of electric oven A safety device of an electric oven is disclosed, which is provided to prevent a door from being open when a temperature inside an oven cavity is high. The safety device includes a hole provided in a front part of an oven cavity forming a cooking room therein; a lat... | 08/16/2005 |
| 6852961 | High frequency heating apparatus provided with a switch attachment mechansm capable of covering at least one switch from outside A high frequency heating apparatus includes a switch attachment member for mounting switches, a switch operating member rotatably installed at the switch attachment member and a stopper for regulating the rotation of the switch operating member. The switch attachmen... | 02/08/2005 |
| 6828532 | Microwave oven with microwave leak control A microwave oven, is designed such that its switches accurately sense whether a door is open or not when opening or closing the door, thus preventing microwaves from leaking out. The microwave oven includes a hook unit, a hook locking unit, a locking step, and a sen... | 12/07/2004 |
| 6552314 | Normal position detecting and latching mechanism of a functional component in a heating apparatus A normal position detecting mechanism for detecting a position of a functional component in a heating apparatus includes a drive member mounted on the functional component, a drive unit assembly mounted on the heating apparatus, and a switch for generatin... | 04/22/2003 |
| 6414276 | Method for substrate thermal management This invention is a thermal management method for efficient, rapid, controllable and uniform thermal management over a wide temperature range. The method integrates a thermal source, thermal sink and a thermal diffuser. According to the invention, a therm... | 07/02/2002 |
| 6376806 | Flash anneal A system for uniformly and controllably heating the active surface of a semiconductor wafer or substrate during processing. The present invention may include a radiation energy source provided, which is enclosed or substantially surrounded by a reflective... | 04/23/2002 |
| 6333495 | Safety device for a microwave oven A safety device for a microwave oven capable of improving the assembly of the microwave oven by reducing a length of a door latch and thus securing more spacious assembly space for other parts of microwave oven. The safety device for the microwave oven in... | 12/25/2001 |
| 6331699 | Microwave heating apparatus requiring reduced power in a standby state A microwave heating apparatus operates in either a first mode or a second mode, that allow different amounts of electric power to be supplied to a load and a control circuit for driving and controlling the load. The voltage applied to a primary coil of a ... | 12/18/2001 |
| 6229129 | Switch access guard A method and apparatus for protecting an oven switch mounted in a retracted position that is engaged by a probe only when the oven door is closed. A post and a strap restrict access to the access entry, the strap forming a socket that receives an inserted... | 05/08/2001 |
| 6043473 | Self lubricating door key and door hook for high frequency heating apparatus A microwave oven comprises a heating compartment 3, a door 4 having a door key 6 for closing the front opening of the heating compartment 3, a hook spacer 13 manipulated by the door 4, a door hook 9 to be engaged with the door key 6, and switches 10, 11, ... | 03/28/2000 |
| 5895601 | Door lock mechanism with a duct for a microwave oven A door lock mechanism with a duct is disclosed, which has a duct section, a first lock part, a link bar part, a link bar part guiding part, a second lock part and an engagement part. The link bar part is formed in a rectangular bar shape and has a plurali... | 04/20/1999 |
| 5616270 | Microwave oven having a lamp and door-operated switch mounted on a circuit board A microwave oven includes a cooking chamber closed by a door. The magnetron is operated by a control mechanism which includes a circuit board and safety switches which permit the magnetron to be operated only when the door is closed. The opening and closi... | 04/01/1997 |
| 5517006 | Microwave oven with a door locking system A microwave oven having a cavity and a door for closing off the cavity. The oven is fitted with a pressure actuated safety catch device which prevents opening of the door as a consequence of a sudden pressure increase in the cavity. The sudden pressure in... | 05/14/1996 |
| 5493099 | Cooking apparatus, latching construction therefor and methods of making the same 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 lat... | 02/20/1996 |
| 5477030 | Cooking apparatus, latching construction therefor and methods of making the same 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 lat... | 12/19/1995 |
| 5440103 | Cooking apparatus, latching construction therefor and methods of making the same 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 lat... | 08/08/1995 |
| 5293020 | Microwave oven door control device Disclosed is a microwave oven with an automatic door control device. Novel door latching/opening device which uses permanent magnets and electromagnets is provided in place of hook-type door latches and slots on a oven wall. Door state detector is also pr... | 03/08/1994 |
| 5258595 | Power source circuit for microwave oven A power source circuit for a microwave oven is provided with first and second door switches that are opened by opening the door of the microwave heating chamber and a third door switch having a movable contact that is converted to first and second fixed c... | 11/02/1993 |
| 4982063 | Door locking and unlocking apparatus for a cooker using electromotive operation and manual operation A cooker includes a body having a heating compartment therein, and a door attached to the body to open and close the heating compartment. The door is locked in a closed position by a lock mechanism. When the door is to be opened, the lock mechanism is ele... | 01/01/1991 |
| 4910370 | Microwave oven having a pre-programmed timing device A microwave oven has a circuit for controlling the supply of electricity to a generator of microwave energy, the circuit having a main switch and movable contact, the opening of which is controlled by a timer. The control circuit also comprises a by-pass ... | 03/20/1990 |
| 4825027 | Microwave oven door latch assembly A door latch assembly for use in a microwave oven has a latch pawl coacting with a support member to lock or release a door of the oven. A wormgear having a switching wheel fixedly mounted thereon engages a worm driven by a motor controlled by primary and... | 04/25/1989 |
| 4787008 | Electronic latch circuitry A relay coil associated with a pair of contacts connects an electrical source to a load. Actuation of a coil sensing element by a trigger input signal supplies current to the coil. In response to the trigger input signal the load sensing element supplies ... | 11/22/1988 |
| 4755647 | Control unit for power-supply circuit in electronic range In an electronic range, an opening/closing operation of a range door thereof is manually conducted while switching operation of a power-supply circuit is conducted through a push-button type starting switch to make it possible that a control unit for the ... | 07/05/1988 |
| 4749835 | Mechanism for closing microwave oven door A mechanism for engagingly closing a microwave oven door includes a latch hook and a latch head with a hook-shaped front end which engages with it when the door is closed and presses a start switch by the force of a biasing spring. When the door is opened... | 06/07/1988 |
| 4717794 | Interlock switch A switch mechanism for controlling circuits such as in a microwave oven including a housing with a removable cover and a latch member and plunger member movable between a first position wherein the microwave oven door is closed and a second position, with... | 01/05/1988 |
| 4672160 | Door safety switch-lock assembly for an electrical apparatus A heating appliance including an oven housing, an oven door attached to the oven housing which can be operated between a closed and an opened position to provide access to the interior of the oven housing, a door latching assembly for securing the oven do... | 06/09/1987 |
| 4638136 | Microwave oven with door latching assembly The preferred embodiment provides an improved microwave oven structure, more particularly, a mechanism related to the installation of the latch-hook engaging the latch-head of the door set to the front entrance of the oven. The improved mechanism is estab... | 01/20/1987 |
| 4542269 | Cooking appliance with switching assembly A switching assembly of a heating appliance, for example, a microwave oven, wherein when the heating button is operated (depressed) with the door securely closed, the heating lever causes a projection to be engaged with a hook in the tip of the latch head... | 09/17/1985 |
| 4511780 | Door latch assembly for microwave heating apparatus A switch operating assembly for a microwave heating apparatus having a locking mechanism. The locking mechanism includes a sliding member which moves to turn on a switch when a cooking start button is pushed, and which slides automatically to turn off the... | 04/16/1985 |
| 4504719 | Door latch and method of assembly A latch assembly in a cabinet having a front opening with a door movably mounted to the cabinet for selectively closing the opening. There is a latch secured to the door and projecting from the rear surface of the door and a mounting member attached to th... | 03/12/1985 |
| 4497993 | Door lock apparatus of electric cooker A door lock apparatus of an electric cooker has a handle movably supported by a door which is mounted on a housing of the cooker and capable of moving to open/close an opening. Two hooks are pivotally mounted on the inner face of the door. Each hook is di... | 02/05/1985 |
| 4453065 | Microwave oven door aligning assembly A microwave oven door aligning assembly is provided and includes a centering prong rigidly mounted on the door of the oven and projecting beyond the inside surface of the door. A clip is mounted to the oven behind the front face of the oven cavity and the... | 06/05/1984 |
| 4345144 | Safety latch control arrangement for self-cleaning oven A latch control arrangement for a self-cleaning oven or similar thermostatically controlled apparatus is provided to efficiently and safely control the locking and unlocking of the oven door. The self-cleaning oven is of the type that includes an oven tem... | 08/17/1982 |
