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 |
| 8047720 | Bearing device for main electric motor for vehicle Oil is supplied to bearing 1 and returned to oil storage chamber 6a via chamber 2a and pipe 2b. First oil return chamber 8 and second oil return chamber 7 communicate via a hole, and second oil return ch... | 11/01/2011 |
| 7635225 | Positive displacement lubrication device A positive displacement lubrication system is disclosed that includes a rotatable shaft, a bearing, and a centrifugal force generating lubrication member that is mounted on the shaft for rotation with the shaft. The centrifugal force generator is spaced from the bea... | 12/22/2009 |
| 7380990 | Bearing, bearing mechanism, and plunger pump A bearing comprises a cage which is provided on a circumference of a rotary shaft to hold elements rotating in an oil. A guide unit is provided on the cage to feed the oil in an axial direction or a radial direction of the rotary shaft. ... | 06/03/2008 |
| 7320384 | Gearbox for gardening machine A gearbox includes a housing having therein a receiving chamber, a transmission gear wheel mounted in the receiving chamber for rotation driven by an external driving force, an eccentric shaft assembly mounted in the receiving chamber and coupled to the transmission... | 01/22/2008 |
| 7220058 | Bearing unit for the hub of a vehicle wheel equipped with a tire inflating system A bearing unit comprises a radially outer stationary race (1) and a pair of radially inner rotatable half-races (2a, 2b). An intermediate annular chamber (8) is defined between the outer race (1) and the inner half-ra... | 05/22/2007 |
| 7086784 | Bearing unit for the hub of a vehicle wheel equipped with a tire inflating system A bearing unit comprises a radially outer stationary race (1) and a pair of radially inner rotatable half-races (2a, 2b). Au intermediate annular chamber (8) is defined between the outer race (1) and the inner half-ra... | 08/08/2006 |
| 7070333 | Lubrication structure for rolling bearing A fin member is installed in an oil accumulating room. The fin member causes lubrication oil to follow rotation of the oil accumulating room so that the lubrication oil can be forcibly rotated. In this manner, a rotational speed difference between the oil accumulati... | 07/04/2006 |
| 6921211 | Bearing housing and seal assembly in such a bearing housing An oil ring lubricated split bearing housing includes upper and lower bearing housing halves having mating seat surfaces for a bearing which is adapted to support a shaft, an oil reservoir space in the lower housing half, an oil pick up ring partly immersed in the o... | 07/26/2005 |
| 6460656 | Dilating lubricant flinger A lubricant flinger, for providing lubricant fluid to bearings on a horizontal shaft within a wet-sump bearing housing, has a rotationally balanced body with portions extending radially sufficiently to reach below a lubricant level in the wet-sump. The bo... | 10/08/2002 |
| 6244386 | Lubrication apparatus in power transmission unit A lubrication apparatus in a vehicular power transmission unit includes device pinion shaft which is rotatably supported by a bearing disposed at a rear end portion of a casing. The casing contains lubricating fluid. A pickup member is disposed on the dri... | 06/12/2001 |
| 6200037 | Lubricant distributing vanes for unitized wheel hub and bearing assembly A wheel hub and bearing assembly for mounting on a vehicle axle. The assembly includes a wheel hub having a longitudinal axis, a pair of bearings within the wheel hub, the bearings in spaced axial relation along the longitudinal axis of the wheel hub, a l... | 03/13/2001 |
| 6193014 | Pre-spinning and lubricating system for worm drive power transmissions and bearing assembly components An apparatus for a ball bearing or needle bearing enclosure having an outside hardened raceway that accommodates two separate compliments of ball bearings located at each end of the raceway to engage with and support a central pin that protrudes in a cone... | 02/27/2001 |
| 5904427 | Unitized wheel hub and bearing assembly with lubricant distributing vanes A wheel hub and bearing assembly for use on the ends of a stationary axle and particularly on tractor and trailer axles. A wheel hub, a pair of bearings, a bearing spacer and seals are assembled and installed on the axle end. The bearing spacer is positio... | 05/18/1999 |
| 5901611 | Pre-spinning and lubricating system for worm drive power transmissions and bearing assembly components An apparatus for a ball bearing or needle bearing enclosure having an outside hardened raceway that accommodates two separate compliments of ball bearings located at each end of the raceway to engage with and support a central pin that protrudes cone shap... | 05/11/1999 |
| 5826986 | Wheel bearing assembly An improved grease-expelling wheel bearing assembly (1) comprises a grease expelling seal (3), and a grease distributor (5). The grease distributor (5) comprises a collar (7) for mounting about the shaft (9) of a rotor nut (11) and, projecting from the co... | 10/27/1998 |
| 5779005 | Constant flow cascade lubrication system A system for lubricating bearings on a vertical rotatable shaft within a bearing housing, is comprised of an annular lower lubricant sump at a lower portion of the bearing housing; an annular upper lubricant reservoir at an upper portion of the bearing ho... | 07/14/1998 |
| 5489190 | Dynamic oil scavenge system An oil scavenge assembly for small gas turbine engine. The assembly includes a rolling element bearing, for supporting a rotating shaft, slip fit within a bearing liner. The bearing liner has a plurality of helical grooves along its surface. A plurality o... | 02/06/1996 |
| 5328275 | Unitized wheel hub and bearing assembly A unitized wheel hub and bearing assembly for use on the ends of stationary axles and particularly on tractor and trailer axles. A wheel hub, a pair of bearings and at least one seal are assembled with a mounting sleeve which is sized to be fitted on an a... | 07/12/1994 |
| 5312191 | Lubrication mechanism for anti-friction bearings A high speed anti-friction bearing includes an internal impeller mechanism to provide improved high speed lubrication for the anti-friction elements. At high bearing speeds the impeller mechanism scoops liquid lubricant from a liquid annulus centrifugally... | 05/17/1994 |
| 5207291 | Barrier system for the lubricating oil for the bearings of a centrifugal compressor with labyrinth seals installed in a confined environment A barrier system for the lubricating oil for the bearings of a centrifugal compressor with labyrinth seals installed in a confined environment, consisting of a disc concentrically rigid with the rotating compressor shaft in the chamber facing the bearing ... | 05/04/1993 |
| 5205654 | Automatic delivery device for lubricating a bearing A side channel pump is disposed on the same shaft as a combination friction bearing, each conveyor blade having a cutout at the height of the side channel equivalent to and corresponding with the cross section of the side channel.... | 04/27/1993 |
| 5150769 | Controlled-flow lubricating system The novel controlled-flow lubricating system utilizes a casing that forms, in use, an enclosed oil well. At least one bearing is disposed inside the well. A shaft is journaled in the bearing. A pumping member is pressed onto the shaft adjacent to the bear... | 09/29/1992 |
| 5150975 | Compact self-lubricating bearing system The bearing lubricating system comprises a casing having a bore which defines a reservoir and a well sized to receive a sufficient volume of a suitable liquid lubricant. A return passage in the casing allows fluid flow from the well to the reservoir. A sh... | 09/29/1992 |
| 5102240 | Mounting mechanism for a member adapted to rotate at high speed around a vertical axis A rotatable member (3) has on its outside surface a contoured surface portion (15) which widens conically upwards in diameter, is contiguous with a lubricant storage chamber (14) and extends axially to near a bearing (11) by which the rotatable member (3)... | 04/07/1992 |
| 5101128 | System and method for cooling a submersible electric propulsor Both a closed system and method for cooling a submersible propulsor unit for a water vehicle is provided for a unit of the type that includes a submersible motor having a shaft connected to a propeller, and a housing containing the motor. The system compr... | 03/31/1992 |
| 4915515 | Rotational bearing arrangement for high rotational speeds The horizontally mounted rotational bearing arrangement for high speeds of rotation is mounted in a casing in two radial rolling bearings. Each radial rolling bearing comprises rolling members guided by an associated cage, and further comprises a groove p... | 04/10/1990 |
| 4905794 | Lubricating device in turret type change-over device A lubricating device of a turret type change-over device wherein a plurality of rotating bodies are mounted on a rotatable turret table, comprising: a plurality of bearings adapted to rotate the rotating bodies with respect to the rotatable turret table; ... | 03/06/1990 |
| 4787757 | Bearing construction with a cage provided with lubrication grooves The roller cage of a roller bearing has lubrication grooves extending at an angle across the radially inside surface of one of the cage annular end rings.... | 11/29/1988 |
| 4772138 | Sealed antifriction bearing A sealed antifriction bearing with an inner and outer ring and rolling elements between them includes sealing rings at both axial ends of the annular space between the rings. A sealing ring is fixed to the outer ring and rotates with it. At the inner ring... | 09/20/1988 |
| 4712442 | Lubricating mechanism for a rotary machine A lubricating mechanism for a rotary machine, such as a Roots blower, of the class having a pair of vertically spaced parallel shafts (20, 22) which are rotated in synchronization with each other by a pair of meshing gears (36, 38) and are provided with b... | 12/15/1987 |
| 4619535 | Bearing housing A pillow block housing having partition means dividing the interior of the housing into an outer oil reservoir chamber and an inner chamber for a rolling bearing, said chambers being separated by partition means extending in a generally radial direction w... | 10/28/1986 |
| 4596476 | Lubricating system for shaft bearings The thrust bearing for the shaft of a boiler feed pump in a nuclear reactor plant is cooled by a first stream of lubricant which is drawn from a sump by an impeller receiving motion from the shaft. The first stream constitutes one branch of a larger secon... | 06/24/1986 |
| 4533264 | Housing for roller bearings with lubricating means A housing (1, 2) for roller bearings (10) with lubrication means in the form of a lubricator ring (13) which partially runs into an oil storage space (17) arranged underneath the shaft (6) and rests on the shaft (6) or the like which drives the lubricator... | 08/06/1985 |
| 4453784 | Means for feeding oil between counterrotating shafts Concentric, counterrotating shafts include means for bringing oil from within the inner shaft across an annular gap between the two shafts into oil scoops which rotate with the outer shaft. To minimize the splashing of oil as it travels across the annular... | 06/12/1984 |
| 4382638 | Sealing structure of spindle device A spindle device comprises a spindle housing having rotatably mounted therein a hollow tubular spindle and a rotary motor for rotationally driving the spindle. One end of the spindle projects outwardly of the housing, and the other end of the spindle is d... | 05/10/1983 |
| 4249783 | Wheel hub structure with bearing lubrication An arrangement for providing lubrication to the outer bearing of a wheel hub having inner and outer bearing assemblies from an internal annular lubricant reservoir in the wheel hub housing. A lubricant carrying tube positioned within the wheel hub housing... | 02/10/1981 |
| 4241959 | Apparatus for long-term lubrication of bearing elements In order to provide long-term lubrication of bearings, especially ball or roller bearings that hold rotating shafts, there is provided a bearing housing defining internal reservoirs and passages as well as a conveyor mechanism which is attached to a part ... | 12/30/1980 |
| 4240674 | Positive lubricating and indexing bearing assembly Positive lubricating elements and positive indexing elements are retained between raceways of two relatively rotating race members of a bearing assembly. Sliding load bearing segments may also be retained between the raceways, and the indexing elements de... | 12/23/1980 |
| 4120541 | Lubricating device A lubricating device for use in a rolling bearing having a lubricating supply disk rotating within a narrow space forming a communicating channel to the rolling bearing surfaces, and a retaining ring mounted in a non-rotating manner about the disk to form... | 10/17/1978 |
| 4103759 | Lubricating system for an antifriction bearing A lubricating system for an antifriction bearing comprises a supporting member fixed to the outer race ring of the bearing and provided with a plurality of passageways, a filling of porous material soaked with a liquid lubricant mounted in said passageway... | 08/01/1978 |
