Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 4344507 | Self-lubricating machining apparatus A lubricating system for machining apparatus having a transmission unit for driving a work-performing tool. The lubricating system includes a housing in which the transmission unit is located and which forms a reservoir for lubricating fluid so that those... | 08/17/1982 |
| 4333359 | Lubricating oil transfer construction in an automatic transmission for vehicles An automatic transmission case is formed with a power output shaft support hole including a bearing portion and a sealing portion, and is further formed with a lubricating oil supply hole. A power output shaft formed with an axial through hole and at leas... | 06/08/1982 |
| 4332200 | Tamping device for railway tamping machine A device comprising two pivoting tamping tools of lever form (9) which are mounted in opposition on a vertically movable housing (1). Each tool (9) has a bearing (15) force-fitting on an eccentric surface of a rotary shaft (17) on which a regulating flywheel (... | 06/01/1982 |
| 4329887 | Transmission for an automobile A transmission for automobiles including a hollow control shaft for changing speeds in response to actuation of a control lever, through which hollow control shaft lubricating oil is distributed to different parts of the transmission.... | 05/18/1982 |
| 4319499 | Lubricating device for final drive gearing of power transmission unit In a final drive gearing of a power transmission unit, which comprises a drive pinion shaft supported by a pair of axially spaced bearings carried on an upright partition wall of a trans-axle casing and including a pinion in mesh with a crown wheel, an ab... | 03/16/1982 |
| 4309916 | Bearing apparatus for gear type power transmission system Bearing apparatus for gear type power transmission systems comprising a gear casing containing a lubricating oil, gearing for power transmission retained in the casing and a bearing carried in the casing for rotatably supporting the gear shaft employs a s... | 01/12/1982 |
| 4287783 | Mechanism for lubricating bearings of a counter shift gear for a gear transmission A gear transmission including a casing containing lubrication oil therein, a counter shaft rotatably mounted in the casing and constantly transmitting rotational movement from a power input shaft by gear trains, a counter shift gear rotatably mounted on t... | 09/08/1981 |
| 4274298 | Drive unit seal assembly An axle is disclosed having a housing defining a lubricant reservoir. A shaft extends through a bore in the housing and is supported by two bearings within the bore. The shaft has a radially extending surface which partially defines a lubricant chamber fo... | 06/23/1981 |
| 4273003 | Check valve bearing lubricator A check valve provides improved lubrication of a bearing contained within a gear. The check valve is positioned within a bore in the gear, the bore extending radially inwardly from the gear teeth to the bearing. In a preferred embodiment, a ball check val... | 06/16/1981 |
| 4271928 | Lubricant supply device A lubricant supply device adapted to direct lubricant from a source of pressurized lubricant to apparatus to be lubricated. The device is provided with a rotatable chamber containing a limited quantity of lubricant so that in the event of a failure in the... | 06/09/1981 |
| 4242923 | Lubrication in power transmission unit A power transmission unit comprises a change-speed gearing having a mainshaft with change-speed gears and a countershaft with counter gears for selectively driving the respective change-speed gears, and a drive pinion shaft coaxially connected to the main... | 01/06/1981 |
| 4240524 | Oil flow control device for power transmissions A power transmission unit comprises a transmission casing shaped to conform with a change-speed gearing contained therein, the change-speed gearing including an output mainshaft rotatably supported from the rear end wall of the casing, and an extension ho... | 12/23/1980 |
| 4235307 | Remote transmission lubrication system A tractor transmission is provided with a clutch housing containing an oil reservoir vented to the main transmission which is vented to atmosphere. A transfer pump is disposed in the clutch housing to pump an oil-air mixture from the reservoir to the main... | 11/25/1980 |
| 4231266 | Lubricating device for power transmission unit In a power transmission unit, a protrusion is provided on an inner wall of the transmission housing to be splashed with lubricating oil pumped up by rotation of an idler gear on the idler shaft, and an oil receiver is arranged under the protrusion to rece... | 11/04/1980 |
| 4227427 | Drive unit assembly A two speed differential axle is disclosed having a lubricant containing housing which encloses engageable differential and planetary gear assemblies. An input shaft extends into the housing and has a pinion gear rigidly affixed to an inner portion thereo... | 10/14/1980 |
| 4222283 | Manual transmission lubrication system A transmission having a gravity feed and centrifugal pressure lubricating system. Rotating drive and output gearing throws oil to a primary collector for gravity feed down in a first passage in the housing to a through-bore in the output shaft and for fee... | 09/16/1980 |
| 4221279 | Centrifugal lubrication system for transmission pocket bearing A centrifugal lubrication system provides lubrication oil flow to a transmission pocket bearing. Splash and spray lubrication oil is directed from the transmission casing to a collector region along a shaft adjacent the pocket bearing. As the shaft rotate... | 09/09/1980 |
| 4179952 | Lubrication means for a torque proportioning differential A differential comprises a pair of face gears, a carrier rotatably mounted between the face gears and a plurality of pinion gears rotatably mounted on the carrier and intermeshing with the face gears for differentially permitting one face gear to rotate r... | 12/25/1979 |
| 4175643 | Lubricating system for power transmitting apparatus A lubricating system is for a forward bearing and a rear bearing of an input shaft of an interaxle differential. The interaxle differential includes a housing having an oil sump therein and a number of elements thereof capable of rotating within the housi... | 11/27/1979 |
| 4169519 | Lubricating device for transmissions or the like in starting condition A lubricating device for use with transmission gearing, particularly in the starting phase of the transmission. A pair of oil reservoirs are provided with one being located higher than the other. The upper reservoir contains the transmission gearing there... | 10/02/1979 |
| 4157045 | Lubricating system for an oil seal in a differential gear A lubricating system for an oil seal in a differential gear comprising a differential carrier having a pair of bosses, a pair of spacers, a pair of differential cases and a ring gear therein and a pair of side shafts penetrating both sides of the differen... | 06/05/1979 |
| 4148229 | Overdrive device for automatic transmission An overdrive device including an input shaft coupled to a fluid-coupling type torque converter, an output shaft coupled to a plurality of auxiliary transmissions each having one or more reduction gear ratios, and planet pinions which are supported by pini... | 04/10/1979 |
| 4141434 | Lubrication wand for transmission A lubrication wand for lubrication of bearings in a dry compartment of a power train providing forced lubrication by connection of the lubrication wand to the hydraulic lubrication system.... | 02/27/1979 |
| 4111397 | Three-speed winch particularly for nautical use This invention relates to a three-speed winch, particularly for nautical use, of the kind having a drum around which a sheet or rope can be wound and which is rotatable by means of the operation of a hand-crank having a pin portion which is inserted axial... | 09/05/1978 |
| 4108018 | Gear drive with single-helix gears A gear drive with single-helix gears in which a pair of such gears mesh with each other and are formed along the length thereof with one or more grooves of a depth equal to or not substantially greater than the tooth height and provided with lubricant-str... | 08/22/1978 |
| 4104933 | Planet gear positioning and retaining mechanism Planet gears of a planetary gearing system for a vehicle drive wheel are mounted on a carrier for orbital motion around a motor-driven sun gear and transmit drive at reduced speed to a ring gear which turns the wheel hub. Each planet gear is fastened to t... | 08/08/1978 |
| 4100821 | Multistage gear controlling mechanism An improvement in a multistage gear controlling mechnism having a plurality of individual support plates separate from the gear housing and which are mounted in the gear housing. The support plates are fixed by index bolts supported in the housing wall an... | 07/18/1978 |
| 4095675 | Multi-speed planetary drive axle assembly A multi-speed drive axle assembly wherein the differential and planetary gear mechanism are mounted within a differential case rotatably mounted within a carrier secured to the drive axle housing. A plurality of lubricant inlet and outlet passages are pro... | 06/20/1978 |
| 4068740 | Gear pump assembly A gear train is housed in a gear box having upper and lower plates in or on which gear-shaft bearings are mounted. One of the gears functions as a centrifugal gear pump for projecting lubricating oil from a sump in the tank angularly upwardly through open... | 01/17/1978 |
| 4046222 | Pressure system for a transmission, especially for an auxiliary gearbox for driving auxiliary devices in aircraft A pressure system for a transmission, especially for an auxiliary gearbox for driving auxiliary devices in aircraft, according to which atmospheric air is conveyed into the transmission by a pump which draws in the air through an inlet pressure chamber an... | 09/06/1977 |
| 4040309 | Automatic two-speed transfer case A transfer case assembly is disclosed as comprising two output shafts rotatably supported within the transfer case housing in a coaxially relationship and connected to the output hubs of a two-way roller clutch. The transfer case input shaft is rotatably ... | 08/09/1977 |
| 4018097 | Axle lubrication system An axle lubrication system is provided utilizing an especially configured differential carrier housing adapted to be mounted to an axle housing with the axle housing oriented either upside-down or right-side-up. In either orientation, the lubrication syst... | 04/19/1977 |
| 4015483 | Vehicle transmission A vehicle transmission having a casing including a lubricant sump, a rotary shaft and a differential unit in the casing, drive means between them and a lubricant pump driven by the shaft to lift lubricant from the sump and discharge it onto the moving par... | 04/05/1977 |
| 3994634 | Reversible lubricant pump A reversible lubricant pump supplies oil to one of a pair of tandem drive axles. The pump includes a housing mounted on the axle helical gear cover to receive oil from an oil sump within the axle casing and to discharge oil to various components within th... | 11/30/1976 |
| 3990539 | Lubrication means for swing gear drive An excavator comprises an upper unit rotatably mounted on an undercarriage by selectively driving a swing pinion against a reaction ring gear secured to the undercarriage. A semi-cylindrical grease retainer is secured to the upper unit to substantially en... | 11/09/1976 |
| 3987873 | Brake mechanism A brake mechanism, applicable to the braking of trailer vehicles, has an electro-magnetic arrangement which is disposed between the inner ends of coaxial wheel supporting shaft units to selectively and individually control the rotation thereof. Each shaft... | 10/26/1976 |
| 3960029 | Gear drive A gear drive arrangement having at least two meshing spur gears which are helical or straight toothed in only one direction. One of the meshing spur gears has at least two axially spaced gear parts thereon and, approximately in the center thereof, at leas... | 06/01/1976 |
| 3949826 | Lubrication system for trunnion mounted axle A vehicle having a swing axle, front and rear trunnion bearing assemblies for supporting this axle and front and rear trunnion supports wherein the trunnion supports each take the form of a cored or hollow casting that is filled with lubricating fluid and... | 04/13/1976 |
| 3937300 | Replaceable lubricating cartridge for spline connections A replaceable lubricating cartridge, adapted for installation in the end of a hollow rotating shaft, gear or the like, comprises a housing having an outer annular wall with a first end closed by an end wall and the other end partially closed by a first an... | 02/10/1976 |
| 3931748 | Adjustable gear enclosure for mixer pinion and bull gears A portable material treating device having conventional power, supporting, and treating means is provided with a novel sealed enclosure for the gearing unit between the power source and the driven treating device. The sealed enclosure for the gearing unit... | 01/13/1976 |
