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 |
| 6726366 | Spindle bearing Spindle bearing for essentially parallel spindles, in particular of air flaps in a vehicle heating, ventilating and/or air conditioning unit, having respective bearing bushes, the bearing bushes at least partially overlapping in the axial direction. ... | 04/27/2004 |
| 6685360 | Double wall bearing cup A needle bearing cup includes an inner bearing cup having an inner surface which forms a rolling element raceway and an outer bearing cup disposed about the periphery of the inner bearing cup having a length greater than a length of the inner bearing cup ... | 02/03/2004 |
| 6419398 | Double wall bearing cup A needle bearing cup includes an inner bearing cup having an inner surface which forms a rolling element raceway and an outer bearing cup disposed about the periphery of the inner bearing cup having a length greater than a length of the inner bearing cup ... | 07/16/2002 |
| 6406187 | Grease lock seal A grease lock seal with sealing lips angled inwardly towards the internal bearing components is press fit into a bearing cup assembly to prevent grease from being purged due to centrifugal forces introduced during the rotational operation of the system. A... | 06/18/2002 |
| 6334714 | Needle roller bearing A shell type needle roller bearing for a universal joint is provided which can eliminate radial gaps. A plurality of needle rollers are mounted in an outer ring which has a cylindrical portion adapted to be fitted in a bearing ring formed in a bifurcated ... | 01/01/2002 |
| 6264566 | Thrust washer for universal joint A universal joint assembly includes a cross having a plurality of trunnions extending outwardly therefrom. A bearing cup is disposed about each of the trunnions, and a plurality of needle bearings is disposed between each of the bearing cups and its assoc... | 07/24/2001 |
| 5758977 | Bush-like antifriction bearing element In order to improve a bush-like antifriction bearing element for mounting a shaft, a pivot or other revolving component so that penetration of dirt into the bearing as well as out of the bearing, the antifriction bearing element is made pot-shaped so that... | 06/02/1998 |
| 5385413 | Bearing assembly with axial retention A double-walled bearing cup has an inner cup portion and an outer cup portion fixed over the inner cup portion. Abutment portions of the bearing cup are engageable with a retaining washer, which is positioned within the bearing cup and adapted to be fixed... | 01/31/1995 |
| 5329891 | Rocker arm assembly A bearing support member has two support arms extending in opposite directions along an axis and is adapted for mounting about a stud means. A bearing cup is fixed to the rocker arm, extending over each support arm. Rolling members are provided within an ... | 07/19/1994 |
| 5199800 | Bearing bushing for universal joints Bearing bushing for universal joints, made of thin plate and consisting of a cylindrical sleeve and a bottom wall formed internally with the sleeve. The bottom of the bearing bushing is flat near its outer edge and is provided with several stamped areas d... | 04/06/1993 |
| 5083873 | Ceramic bearing A ceramic bearing is provided by a ceramic inner ring and a ceramic outer ring. The ceramic inner ring includes an axial hole for receiving a shaft at the center of the inner ring. The inner ring further includes an outer cylindrical surface coaxial with ... | 01/28/1992 |
| 4927403 | High voltage insulative shaft coupler The high voltage electrically insulative safety coupler for moling or earth augering equipment prevents high voltage electric shock to the equipment operator. The coupler is composed of first and second coupler elements, with the second coupler element in... | 05/22/1990 |
| 4792028 | End-bearing equipped one-way clutch An end-bearing equipped one-way clutch includes an outer and inner rotary members, torque-transmitting members arranged between the first and second rotary members, retainers maintaining the torque-transmitting members with equal angular intervals and hav... | 12/20/1988 |
| 4784499 | Bearing unit A bearing unit of this invention includes, instead of a conventionally used bracket, a housing formed with an external thread and a bush press fitted in an inner bore of the housing.... | 11/15/1988 |
| 4780003 | Clearance-free bearing bushing A clearance-free bearing bushing for universal joints which has a plurality of conical rollers located between a bearing bushing and a journal pin or the like. The rollers are pressed against their raceways by a spring element with a predetermined tension... | 10/25/1988 |
| 4759234 | Automatic transmission bearing for supporting axial and radial loads A compound radial and axial bearing for automatic transmissions for motor vehicles having a sleeve portion with bearing surfaces on both sides for radial loads and a collar portion with bearing surfaces on both sides for axial loads, the sleeve portion (2... | 07/26/1988 |
| 4553858 | Bottom plate for a bushing mounted via rolling elements on a pin A bottom plate for emplacement in a bushing having an opening defined by an internal peripheral side wall and a bottom of the bushing. A pin, like the pin of a universal joint cross piece, is received in the opening of the bushing with rollers around the ... | 11/19/1985 |
| 4522514 | Thin-walled bearing bushing produced by deep drawing A thin-walled bearing bushing produced by deep drawing, in particular for the seating of pins in universal joints, including a cylindrical sleeve section with a bottom section closing the sleeve off on one end. One or more concentric depressions are axial... | 06/11/1985 |
| 4325593 | Composite bearing having deformable washer A composite bearing comprises a cup having a set of antifriction bearing elements around its inner wall, and a deformable washer disposed at the bottom of the cup. The washer comprises a body portion having a stud projecting outwardly from one side thereo... | 04/20/1982 |
| 4320549 | Rocker-sliding bearing assembly and a method of lining the assembly A rocker-sliding bearing for bridges or similar structures and a method of lining the concave top side surface of a curved baseplate of a rocker-slider bearing wherein the rocker-slider bearing includes a flat top plate, an intermediate plate having a fla... | 03/23/1982 |
| 4014540 | Swing mount for playground equipment A ball and socket joint for a swing for providing simultaneous swiveling and pivoting motion in any direction. The ball is preferably molded with an inner core and an outer shell of different colored materials. As material from the outer shell is worn awa... | 03/29/1977 |