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 |
| 7367551 | Elastomeric bush bearing with improved torsion characteristic The invention is directed to an elastomeric bush bearing. A bearing of this type is substantially unaffected by torsional loads and has a simple design. The proposed bush bearing includes, in a conventional manner, an inner sleeve formed as a hollow cylinder, a slee... | 05/06/2008 |
| 7347424 | Shaft seal having integrated removal feature A dynamic shaft seal assembly has inner and outer cases that are clamped together to secure a seal element therebetween for dynamic sealing about a rotatable shaft. The inner case is formed with integral pull tabs that are engageable by a seal removal tool to facili... | 03/25/2008 |
| 7311308 | Seal device for water pump, rotation supporting device for water pump and assembly method for water pump The tip edge of a second seal lip of an elastic member constituting a seal ring is in sliding contact with an outside face of a slinger. The seal ring and the slinger are pre-assembled and then installed between an inner peripheral surface at an end of an outer ring... | 12/25/2007 |
| 7278840 | Compliant viscous seal for fluid transfer device A viscous seal for fluid transfer devices that deviates from the conventional wisdom of avoiding contact between the seal and a rotating drive shaft of the fluid transfer device. Instead of avoiding contact, contact between the seal and drive shaft is used to effect... | 10/09/2007 |
| 7102266 | Motor assembly with a sealed commutator/brush interface A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A seal is carried by either the commutat... | 09/05/2006 |
| 6935849 | Grooved shaft member and associated turbocharger and method There is provided a shaft member such as a bearing, washers, and shaft, having at least one surface defining a plurality of radial grooves for providing radial fluid communication without generating significant thrust loading between the shaft member and an adjacent... | 08/30/2005 |
| 6834998 | Shaft bearing-seal assembly penetrating the wall of a pressure vessel A rubber laminated bearing-seal, consisting of multiple flat or curved alternate laminations of metal and rubber bonded together and having an aperture, is seated in an apertured receptacle in the wall of a pressure vessel and supports a shaft that penetrates the ap... | 12/28/2004 |
| 6716004 | Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap A blood processing system comprises a processing chamber to process blood and a fluid flow cassette that communicates with the processing chamber. The cassette comprises a body, a pump chamber formed in the body, and a flexible diaphragm on the pump chamber responsi... | 04/06/2004 |
| 6554477 | Wiper bearing for a wiper device of a vehicle and for mounting a wiper bearing The wiper bearing (10) includes a bearing shaft (11), which is received in a bearing housing (12) and is connected to a bearing element (15) and a wiper arm (17) in such a way that a torque can be transmitted from the bearing element (15) to the wiper arm... | 04/29/2003 |
| 6524007 | Shaft bearing-seal assembly penetrating the wall of a pressure vessel A rubber laminated bearing-seal, consisting of multiple flat or curved alternate laminations of metal and rubber bonded together and having an aperture, is seated in an apertured receptacle in the wall of a pressure vessel and supports a shaft that penetr... | 02/25/2003 |
| 6499884 | Bearing/seal member/assembly and mounting A gas dynamic machine, such as a turbocharger, compressor or turbine, includes a housing and a rotor mounted in the housing and rotatable on an axis. A bearing and seal member or assembly includes a bearing mounted in an axial bore of the housing and havi... | 12/31/2002 |
| 6497460 | Suspension and drive mechanism for a multi-surface vehicle A tracked vehicle produces a pressure no more than 3 psi on the ground by increasing the number of contact points on the inner surface of the track. The stiffness of the track is also selected to minimize bowing between the idler wheels or rollers. The tr... | 12/24/2002 |
| 6050775 | Radial-flow exhaust-gas turbocharger turbine A radial-flow exhaust-gas turbocharger turbine is provided with a row of adjustable guide blades which are rotatable via adjusting shafts mounted in a casing. The guide blades are each provided with sealing discs on their longitudinal sides running at rig... | 04/18/2000 |
| 5957461 | Radial lip shaft seal A unitary radial lip seal assembly to provide a fluid tight seal between a shaft and a housing bore through which the shaft extends includes an annular rigid retainer, a resilient body portion secured to the retainer and defining at least one sealing lip ... | 09/28/1999 |
| 5924854 | Gear pump channel arrangement for tempering media In order to cool the slide bearing area for the slidable bearing of a gear pump shaft, a slide bearing bush with a slide bearing area and, in the case of the guiding-through of a shaft, a sealing area extends in one piece integrally to the outside, and a ... | 07/20/1999 |
| 5718518 | Axis joint and slide bearing with integral seal First and second construction elements, such as claws of a timber grab, are mounted for relative rotational movement with respect to each other by an axis joint. The axis joint includes a bearing bushing an a bearing shaft. The bearing shaft has inner con... | 02/17/1998 |
| 5683184 | Thrust and cover washer, mounted on a rotor shaft, for a bearing of the rotor shaft In order to ensure full-surface thrust contact and coverage despite a low production and assembly outlay, even if the bearing is mounted slightly askew, a thrust and cover washer may be used which includes an inelastic first annular washer part axially th... | 11/04/1997 |
| 5645356 | Bush and integral seal A rotary shaft is supported by a bearing surface of a bush body. The diameter of the rotary shaft is slightly smaller than that of the bearing surface of the bush body, thus defining a clearance therebetween. On both end sides of the bush body, seal porti... | 07/08/1997 |
| 5634726 | Method of fixating a shaft in its bearing casing in wiper installations, as well as wiper installation, in particular for cleaning the windscreen of an automotive vehicle A system for fixating a shaft in its bearing casing as well as in a wiper installation the shaft is fixated in its bearing in that the annular gap between the shaft and the bearing is filled by the injection of a plastic material rendering optimum sealing... | 06/03/1997 |
| 5509737 | Bearing with a seal-thrust withstanding member A track roller or cam follower type bearing has seal-thrust withstanding members. The sealing function and the thrust withstanding function are performed by a single structure.... | 04/23/1996 |
| 5454573 | Damper The present invention is a damper seal which is used in sealing a tube, such as a fuel nozzle, into a housing, such as a fuel canister. The damper seal provides increased sealing capabilities as the pressure inside the housing increases and further dampen... | 10/03/1995 |
| 5401104 | Rod guide assembly for rotary applications A rod guide assembly for rotary applications has a stationary housing and a rotating housing. The stationary housing has an exterior, an interior, a first end and a second end. A primary stationary annular bushing is positioned in the interior at the firs... | 03/28/1995 |
| 5385409 | Non-contacting mechanical face seal of the gap-type A rotary mechanical face seal for preventing leakage of a fluid, either liquid or gas, across two relatively rotating surfaces. The seal is of the non-contacting mechanical type in which a predetermined spacing is maintained between the relatively rotatab... | 01/31/1995 |
| 5372432 | Dynamic pressure bearing assembly A dynamic pressure bearing with a magnetic fluid sealed therein is reduced in size without degrading the bearing performance and includes a sleeve 5 having an insertion hole 6 axially formed therein fixed in a housing 1, and a pair of pole pieces 9a, 9b d... | 12/13/1994 |
| 5246295 | Non-contacting mechanical face seal of the gap-type A rotary mechanical face seal for preventing leakage of a fluid, either liquid or gas, across two relatively rotating surfaces. The seal is of the non-contacting mechanical type in which a predetermined spacing is maintained between the relatively rotatab... | 09/21/1993 |
| 5141339 | Brake shaft bearing assemblies A brake shaft of a vehicle is rotatably supported in a housing by a pair of bush assemblies acting as plain bearings. Each bush assembly is composed of a cylindrical body with grooves in its inner periphery which open to one end of the body. The housing h... | 08/25/1992 |
| 5129623 | Linear EGR tri-bearing An exhaust gas recirculation valve assembly for controlling the recirculation of exhaust gas in an internal combustion engine having a base with an exhaust gas chamber formed therein, a valve assembly having a valve member mounted within the exhaust gas c... | 07/14/1992 |
| 4965846 | Pivot pin bearing/seal with loose eyelet especially suited for disposable continuous flow blood filtration system cartridges A pivot pin bearing/seal especially adapted for supporting the rotor of a disposable filtration cartridge of a continuous-flow plasmapheresis blood separation system includes a lubricious plastic pivot pin injection molded with a recess at its end. The re... | 10/23/1990 |
| 4916749 | Elastomeric bushing and method of manufacturing the same A bushing for rotatably supporting a bar-shaped suspension link comprises an elastomeric body having a central axis and including an axial bore adapted to receive the suspension link therethrough. The bore includes a circumferential surface having project... | 04/10/1990 |
| 4909707 | Centrifugal pump and floating casing ring therefor A centrifugal pump has a floating casing ring which is deflectable in response to contact by an impeller of the pump.... | 03/20/1990 |
| 4892417 | Elastomeric mount for thrust bearing shoe An elastomeric mount for a thrust bearing shoe comprising a piston fluidly operative in a platform cavity, the piston isolated and sealed from the cavity by an elongated elastomeric bearing-seal. The piston lockingly engages a thrust shoe with a compound ... | 01/09/1990 |
| 4795276 | Sealed bearings A sealed bearing assembly for a rotating shaft includes a bearing member having an integral lip which engages the shaft to form a first seal. The bearing member also has an integral collar defining a recess into which is press-fitted a separate annular me... | 01/03/1989 |
| 4795408 | Roller chain A roller chain having a thrust ring between a roller and a link plate for sustaining the transverse load, in which a thrust ring is made of bearing materials and has a sealing part in order to be put into the hole part formed on the end face of the roller... | 01/03/1989 |
| 4660996 | Bearing and sealing member for moveable shaft A one-piece, self-lubricating, thermoplastic bearing and sealing member suitable for supporting a moveable shaft and forming a seal around the circumference thereof. The bearing and sealing member comprises a tubular shaped body, an inner annular wall por... | 04/28/1987 |
| 4614444 | Bearing seal assembly A bearing seal assembly (10) provides a seal and a low-friction bearing between a shaft (18) and a housing (20); and includes a relatively flexible annular seal (12) circumscribing the shaft (18), a low friction race (14) circumscribing and nonrotatably m... | 09/30/1986 |
| 4600318 | Thrust bearing and seal assembly Accelerated wear of the seal in a thrust bearing and seal assembly is avoided by the provision of a bearing having a thrust bearing pad engaging a shoulder on a shaft with the inner diameter of the bearing being spaced from the shaft sufficiently to defin... | 07/15/1986 |
| 4574212 | Commutator end dust seal for an electric motor An electric motor having a bearing and a commutator with brushes on one end of the rotor shaft, and a dust seal for the bearing formed by a sleeve forming part of and extending axially from the bearing into an annular recess in the commutator. The sleeve ... | 03/04/1986 |
| 4525082 | Sealing ring assembly for rolling bearings Sealing ring for radial rolling bearings with an outer race and an inner race and rolling bodies in the gap between them, consisting of a ring body of elastic material bridging the gap with, at one radial end, at least one sealing lip or the like sliding ... | 06/25/1985 |
| 4466629 | Bicycle headset including a stem seal An improved bicycle headset is disclosed having ball bearing races sealed by O-rings against contamination by dust, dirt, moisture and the like. This bicycle headset includes a lower assembly comprising a lower cup fitted to the lower end of a head tube, ... | 08/21/1984 |
| 4465385 | Flexible spring bearing A flexible spring bearing comprising a substantially cylindrical configuration with an arcuate portion being disposed circumferentially about the cylindrical configuration. The arcuate portions may be convexly curved outward or concavely curved inward. Al... | 08/14/1984 |
