Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 6890039 | Independently rotating wheels A wheel end assembly having a dual wheel configuration includes independently rotating wheel hubs to reduce tire wear. Each wheel hub is supported on an axle spindle via a bearing member. Another bearing member is mounted between the wheel hubs to allow each wheel h... | 05/10/2005 |
| 6837261 | Control valve assembly of valve assembly-injection-molded control valves or modules A control valve assembly comprising at least two control valves which may be used, for example, to throttle the air intake of an internal combustion engine. The assembly is provided with a centrally arranged, force-transmitting shaft (32). The control valves ... | 01/04/2005 |
| 6799893 | Special type bearing device The invention provides a special type bearing device that is insusceptible to damage, is light in weight, has a long service life and excellent wear resistance, is insusceptible to the effect of change in temperature, is easy to fabricate, and has little offensivene... | 10/05/2004 |
| 6481894 | Pitch bearing A bearing that includes a first bearing support member; a second bearing support member spaced from the first bearing support member, the first and second bearing support members each having a first end and a second end; and a resilient member between the... | 11/19/2002 |
| 6003407 | Sealing device for motorcycle toe shift mechanism A tubular sealing spacer is disclosed which is an improvement on the standard toe shift mechanism for connecting a toe shift lever to the transmission of a motorcycle for shifting gears during acceleration or deceleration of the motorcycle. The spacer fit... | 12/21/1999 |
| 5718517 | Self-aligning bearing for high temperature applications A steel mill roll has its ends supported in self-aligning bearings that do not require a liquid or grease lubricant, and which are capable or operating at roll shaft temperatures up to 1500° F.... | 02/17/1998 |
| 5658137 | Vane rotator with conical bearing and brake A rotator includes an axle and an associated rotor component having lamellar vanes. A case component surrounds the rotor component. Chambers arranged symmetrically in relation to the axle are disposed between the lamellar vanes. These chambers are pressur... | 08/19/1997 |
| 5286116 | Bearing assembly An improved motor and bearing assembly is provided for use in an axial gap electric motor. The motor and bearing assembly includes a bearing support, bearing cones circumferentially mounted on the bearing support and a rotating bearing member. Each bearin... | 02/15/1994 |
| 5211488 | Single tapered bushing for shaft mount A shaft-mounted bushing for connecting a rotating member to a shaft. The bushing includes a frame receiving a hub rotatably mounted therein. The hub includes an opening at one end thereof for receiving a shaft from the one end thereof. The hub includes a ... | 05/18/1993 |
| 5188463 | Bearing for the shaft of a canned motor pump A canned motor pump has a housing and a shaft which is mounted for rotation internally of the housing and extends between the pump and the motor. The end of the shaft remote from the pump is received by a plain bearing bushing. The bushing is press-fitted... | 02/23/1993 |
| 5015104 | Shaft bearing structure A shaft bearing structure comprises a shaft which is to be rotatably supported, a bushing disposed on the shaft, the bushing having an outer surface tapered in an axial direction so as to have a frusto-conical configuration, a support member having a supp... | 05/14/1991 |
| 4939827 | Method of manufacturing a bearing device including a housing with a flange at one end thereof and a bearing bush press-fitted thereinto A method of manufacturing a bearing device having a housing into which a bearing bush is press-fitted. This method includes forming a tapered shape of a bearing hole of a bearing bush, and press-fitting the bearing bush into a bore of the housing having a... | 07/10/1990 |
| 4877339 | Bearing support of a throttle valve shaft in the housing of an exhaust gas line The invention relates to bearing support of a throttle valve shaft in the housing of an exhaust gas line in which the shaft is rotatably supported on both sides in a bearing sleeve element constructed cup-shaped. The cups themselves are retained by spring... | 10/31/1989 |
| 4859148 | Preloaded tunable elastomeric flapping hinge bearing and method of preloading A tail rotor flapping hinge elastomeric bearing in which the inner and outer races are split and the races have ramped surfaces with the higher slope of the inner races being toward the outer edge of the bearing. The races have a plurality of slope angles... | 08/22/1989 |
| 4836758 | Scroll compressor with canted drive busing surface A scroll machine having an eccentric crank pin on a cranshaft disposed nonrotatably in the bore of a drive busing for driving the orbiting scroll of the compressor. A flat on the crank pin drivingly engages a flat in the bore, one flat being at an acute a... | 06/06/1989 |
| 4787815 | Wicket gate mounting with adjustable play for water turbines A wicket gate mounting for the individual wicket gates of a water turbine includes a respective bottom stem for the wicket gate. The mounting includes a conically tapered inner bore of an outer bushing and a cooperating, complementary, conically tapered o... | 11/29/1988 |
| 4720198 | Hinge bearing including a tapered pin and bushing A precision, low cost bearing for connecting the ends of two hinge links to one another for relative pivoting, the adjacent end portions of the links being formed with housings each having a socket. A spindle fixed rigidly within one of the sockets is tel... | 01/19/1988 |
| 4716617 | Windshield wiper bearing A windshield wiper shaft is mounted in a bearing bushing, wherein the bearing bushing and the wiper shaft rest against each other with conical bearing surface portions to compensate for possible radial play. This is important in constructions in which the... | 01/05/1988 |
| 4698049 | Belt tensioner with frustoconical pivot bearing A belt tensioner in which the bearing for mounting the pulley carrying pivoted structure on the fixed structure comprises a frustoconical sleeve bearing having a frustoconical exterior surface and a frustoconical interior surface engaged between annular p... | 10/06/1987 |
| 4657090 | Tapered friction bearing assembly A bearing structure including first and second tapered bearing surfaces for accommodating on-bottom and off-bottom thrust and radial forces on a drive shaft in a down hole drilling environment and further including a radial bearing mounted between the fir... | 04/14/1987 |
| 4634299 | Arrangement for an axle and a method of mounting a bearing on the axle The present invention relates to an arrangement for an axle (4) which is anchored at two points situated at the ends of the axle (4), preferably in mounting cheeks (1, 2) or the like provided with through-bores (5, 6) for the axle (4). Anchoring is accomp... | 01/06/1987 |
| 4603459 | Rocker bushings for pivotal movement A rocker bushing for a roller structure for supporting a boat on a trailer bed and having a male and female member formed of two cylindrical portions surrounding the shaft and supporting the roller. Each cylindrical member having a tapered longitudinal po... | 08/05/1986 |
| 4572589 | Journal bearing The invention relates to a guide bushing used to maintain alignment of a rotary shaft and in particular to a guide bushing for use as a mining deck bushing. When drilling blast holes in surface mining operations, it is conventional to pass the drill pipe ... | 02/25/1986 |
| 4422836 | Rotary machine with peripherally contacting rotors and end face sealing plate A rotary machine has a plurality of rotors rolling over one another and defining therebetween and end covers at least one working chamber, and at least one sealing plate at at least one side of the rotors and arranged so that an opposite side of the seali... | 12/27/1983 |
| 4102589 | Method of and means for safely releasably tensioning structural parts such as clamping members A method of and means for safely releasably tensioning structural parts such as clamping members for mounting tube or ball mills and comprising drawing the clamping members toward one another by means of a tie rod bolt sufficiently to effect necessary cla... | 07/25/1978 |
