Bizarre Patents
Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle
A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.
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| Number | Title | Issue Date |
| 5333523 | Snap-on quick release extension and drivers Each end of the cross bore in the end of the driver or extension is coined to capture the balls in the cross bore. The combined diameters of the balls are equal to the distance between the opposed flat faces of the driver end. One of the faces has a groov... | 08/02/1994 |
| 5169225 | Power tool with light The power pack (battery pack) which is removably mounted on the lower end of the pistol grip portion of the hand power tool is provided with a light mounted in a slider mounted in the power pack for movement between a retracted position in which in confor... | 12/08/1992 |
| 5079844 | Counterbalanced reciprocating mechanism The motor drives the crown gear which has an upwardly projecting eccentric drive pin which drivingly engages the channel fixed on the spindle which reciprocates in the fixed tube and supports a saw blade. The induced vibration is counterbalanced by the re... | 01/14/1992 |
| 5007172 | Quick change guide shoe The power saw is provided with a shoe pivotally mounted on a post which is mounted in a cavity of the nose section of the gear case of the saw. The post has a multiplicity of grooves separated by lands which are flat between the grooves. A lock pin is mou... | 04/16/1991 |
| 5007205 | Tensioner release and mechanism for belt sanders A roller carrying yoke is mounted on the base of the belt sander for pivotal movement about a pivot screw as controlled by the adjusting mechanism which includes a carriage bolt non-rotatably mounted in a slot in the yoke. The slot allows movement of the ... | 04/16/1991 |
| 5006740 | Insulated cooling boot for power tool The in-line saw has a handle, a motor housing and a gear case which contains a drive mechanism which imparts a reciprocating action to the blade. The drive mechanism generates heat. The gear case is covered by an insulating boot which has internal ribs wh... | 04/09/1991 |
| 4993161 | Laser beam level instrument The laser beam level instrument includes a laser diode mounted on a pendulous platform suspended from a frame by gold plated Mylar strips which also serve as conductors for supplying power to the diode. The strips are mounted with a 180 degree twist to ov... | 02/19/1991 |
| 4982124 | Vibration-tolerant wire termination The stator is made of laminated stampings having congruent outlines defining the central opening for a rotor and also defining pole pieces which include horn-like portions spaced from the main body of the stamping to define winding slots for the coil. Eac... | 01/01/1991 |
| 4968191 | Chuck mount The chuck body is centered on the power tool drive spindle by placing the smooth bore in the body over the smooth cylinder on the spindle with the recesses on the body axially moved onto the lugs (splines) on the shoulder of the spindle. The retaining scr... | 11/06/1990 |
| 4964193 | Hinge The hinge has two leaves with interengaging knuckles. A plastic coated metal hinge pin extends through the knuckles and the knuckles are crimped onto the plastic coated hinge pin. The tighter the knuckles grip the pin the more the plastic is deformed and ... | 10/23/1990 |
| 4931772 | Safety monitor A radio frequency transmitter is adapted to be worn by a worker in a confined space. The transmitter includes a manual switch and a mercury switch which, when tilted by reason of the worker getting out of his normal work position, closes to cause the tran... | 06/05/1990 |
| 4926835 | Ball bearing type bow string release A bow string release has a head rotatably mounted on a guide sleeve fixed in the release handle. A bow string is held in a notch in the head by opposed balls mounted in a bore transverse to the notch and held in contact by control pins carried by a collar... | 05/22/1990 |
| 4896462 | Mechanism for belt sanders A roller carrying yoke is mounted on the base of the belt sander for pivotal movement about a pivot screw as controlled by the adjusting mechanism which includes a carriage bolt non-rotatably mounted in a slot in the yoke. The slot allows movement of the ... | 01/30/1990 |
| 4881516 | Adjustable grip and trigger bow string release The bow string release has a body with a string receiving notch in one end of the body and an axial hole through the other end of the body. A sear is pivoted adjacent the notch and is operative to retain a bow string in the notch. The handle has an axial ... | 11/21/1989 |
| 4881481 | Traveler control The traveler has a car movable on an athwartship track. The mainsheet is connected to the car. Two oppositely facing hooks are pivotally mounted on the car for similar, simultaneous movement between a latching position and an inoperative position. A sprin... | 11/21/1989 |
| 4871030 | Farm implement having transport wheels and soil working rollers on rotating frame The farm implement drawbar is provided with a transverse frame which is pivotally mounted at the rear of the drawbar for movement between a working position and a transport position. The ground engaging rollers are mounted on the frame while separate tran... | 10/03/1989 |
| 4831690 | Carrying handle having L-shaped members each including a foot portion engageable with corrugated cardboard A handle for attachment to a carton to facilitate carrying the carton. The elongated handle has the upper end of the leg portion of each of two L-shaped members connected to the same end of the handle so each foot portion of the members projects parallel ... | 05/23/1989 |
| 4822283 | Semantic mapping device for teaching language skills Progressively smaller pieces can be connected to the largest piece to aid in semantic mapping of an informative passage, for example. Legends can be applied to the pieces (and can be wiped off later). The pieces can be connected mechanically or magnetical... | 04/18/1989 |
| 4814086 | Method and apparatus for fluid treatment by reverse osmosis Either of the two relatively large capacity tanks can be connected in a high pressure loop or system including a reverse osmosis membrane vessel and a circulating pump. When the pressure is high enough in this loop, product is drawn from the vessel. A fee... | 03/21/1989 |
| 4773574 | Chair pack and pack frame The pack frame has first and second rectangular frames pivotally interconnected to allow the frames to be opened to the limit imposed by a fabric seat mounted between the top members. A safety strap connects the bottom frame members to act as a back-up li... | 09/27/1988 |
| 4771263 | Variable resistance switch The variable resistance speed control switch for a power tool has a wiper which slides over a resistor which has a non-linear resistance curve matched to the motor. The resistor is made by thick film technology and has a ceramic substrate covered by 950°... | 09/13/1988 |
| 4770073 | Socket wrench extension A push-on/quick release locking arrangement is mounted on a socket wrench extension or driver having a cylindrical body with a square drive end. An inclined transverse bore in the drive end intersects opposed flat faces of the drive end and lock balls are... | 09/13/1988 |
| 4745063 | Method for separating rennet components Substantially pure chymosin is separated from rennet extracts by contacting a liquid extract with an anionic exchange medium, preferably a diethylaminoethyl (DEAE) cellulose resin packed in a liquid chromatographic column, either as a static bed or stirre... | 05/17/1988 |
| 4744900 | Reverse osmosis membrane container The reverse osmosis membrane is mounted inside a tubular container and has a central passage which connects at each end to a central conduit in the associated end cap. One conduit is plugged and the other is the clear product outlet. Sea or brackish water... | 05/17/1988 |
| 4706841 | Lock protector for fuel cap The flanged head of the lock captures the plastic cup of the lock protector to retain the protector while it functions as a gasket between the lock and the fuel cap. The protector includes a cover which snaps over the cup to seal the lock against the elem... | 11/17/1987 |
| 4694600 | Indicia display module using light pipe The price display module has a clear plastic light pipe and support member mounted on the back of a bezel to display an indicia on the pre-coiled strip through the bezel aperture and illuminated by light piped through the member from the back light source... | 09/22/1987 |
| 4691683 | Bow string release The bow string release has a sear pivotally mounted in a cylindrical body and includes a string retaining finger which projects across the string receiving notch when the sear is engaged by a pull pin biased to the sear engaging position, the pull pin is ... | 09/08/1987 |
| 4688975 | Quick change tool retainer The power tool has a magnetic base with superposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to subtract from or reinforce the magnetic field. When the sensing probe is pushed into the base the electric mo... | 08/25/1987 |
| 4687385 | Portable hole cutting power tool The power tool has a magnetic base with superimposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to shunt or reinforce the magnetic field. When the sensing probe is pushed into the base the electric motor ca... | 08/18/1987 |
| 4683738 | Flush combination lock The combination lock has a case which contains the lock mechanism including permutation discs. The case is mounted behind and protected by the locker door. An escutcheon plate is mounted on the front of the door with a rotary dial mounted therein. The rim... | 08/04/1987 |
| 4682918 | Keyless impacting chuck A keyless chuck for a power drill having a drive spindle projecting from the drill housing. The chuck body is fixed on and rotatable with the spindle and has a plurality of jaws mounted for movement on axes inclined with respect to the spindle axis. The c... | 07/28/1987 |
| 4676701 | Slug retainer Cutting teeth around the lower edge of an inverted cup-like cutter cut a circular kerf resulting in a circular slug being cut from the material being worked on. The proximal end of a retainer is fixed centrally of the cutter and the distal end projects be... | 06/30/1987 |
| 4674469 | Bow string release The bow string release has a body having a notch receiving a string which is retained by a pivoted sear capturing the string. The body is connected to a handle. A thrust bearing is located between the body and the handle, allowing the body and the handle ... | 06/23/1987 |
| 4665712 | Heat pump water heater system A condenser receives hot compressed refrigerant from the heat pump compressor and transfers heat to water in water heater, refrigerant flows from the condenser through a pressure reducer to an evaporator coil in which baffles define first and second air f... | 05/19/1987 |
| 4664565 | Cutting tool coolant dispensing The power tool has a magnetic base with superposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to subtract from or reinforce the magnetic field. When the sensing probe is pushed into the base the electric mo... | 05/12/1987 |
| 4660538 | Inertial stabilizer for archery bow The stabilizer has the threaded end of a mounting bolt projecting from a tube. The bolt head is inside the tube. A spring is compressed between the bolt head and a seat bearing against a shoulder surrounding the opening through which the bolt projects. An... | 04/28/1987 |
| 4655649 | Drill press switch handle A power hand drill is clamped in the carriage which is slideably mounted on the vertical column. The lever arm is moved about a fixed pivot to control movement of the carriage. The lever arm is tubular and has a push rod extending from the handle into the... | 04/07/1987 |
| 4650324 | Level Transit The telescope of the level-transit includes two mirrors at 45° to the light path. A first mirror is fixed in the telescope housing by screws which thread into the mirror support to pull it tight against a datum surface established by a cover. The other m... | 03/17/1987 |
| 4648758 | Two position linkage The drill stand has a vertical column and a clamp moveably mounted on the column. A carriage adapted to support a drill is moveably mounted on the column for movement with and with respect to the clamp. A link is pivoted on the clamp and has two pivot loc... | 03/10/1987 |
| 4639170 | Magnetic base for portable tools The power tool has a magnetic base with superposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to subtract from or reinforce the magnetic field. The upper assembly is somewhat shorter than the lower assembly... | 01/27/1987 |
