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 |
| 6413027 | Device for a tool spindle Arrangement for a tool spindle with a pulling rod (3) axially displaceable in the spindle axle (1) for firmly attaching a tool at the spindle of the tool whereby the end of the pulling rod (3) that is opposite to the tool is accommodated in a stationary u... | 07/02/2002 |
| 6186666 | Ring spindle and process for lubricating same A ring spindle assembly and process for re-lubricating a ring spindle having a vertically arranged bearing housing with a closed bottom. A step bearing is arranged in an oil-bath of the bearing housing for a rotating shaft. In the bearing housing, at leas... | 02/13/2001 |
| 5739607 | Hybrid spindle bearing A machine tool spindle is supported at its spindle nose in a front, rolling element mechanical anti-friction thrust and radial support bearing means. The middle and rear end of the spindle is supported in a magnetic radial rear bearing and further support... | 04/14/1998 |
| 5655862 | Machine tool spindle A machine tool has a spindle with a splayed taper at the tool-holding tip, the taper expanding outwards in the direction away from the supporting bearings. Due to centrifugal forces, any cutting fluid (scattered by cutting operations) that reaches the sur... | 08/12/1997 |
| 4997291 | Bearing for spindles of spinning or twisting machines In the case of a bearing for spindles of spinning or twisting machines having a spindle bearing housing which contains a collar bearing and a step bearing for a spindle shaft which is provided with a driving wharve reaching over the collar bearing, it is ... | 03/05/1991 |
| 4875334 | Spindle construction for mounting arrangements for spinning machine rotors A spindle is provided which is intended especially for use in the mounting arrangement of a spinning rotor within the spinning housing of a textile spinning machine. The spindle comprises an outer sleeve, two rows of balls disposed in cages, and a shaft w... | 10/24/1989 |
| 4792938 | Low-noise bearing for phonograph turntables and the like A low-noise (low "rumble") segmented bearing for high-fidelity phonograph turntables and the like. In a preferred belt-driven form, the bearing consists of four small, spaced polyurethane pads disposed so that the tension of the belt keeps the shaft in co... | 12/20/1988 |
| 4731985 | Spindle supporting device A device for supporting the spindles of textile machines, in which a spindle support cartridge is radially held by means of a double system of elastically-yielding thrust members, disposed inside an outer casing for the cartridge, and radially acting on t... | 03/22/1988 |
| 4624103 | Bearing assembly for yarn false twisting apparatus A yarn false twisting apparatus is disclosed which comprises a pair of rotating circular discs having cooperating friction surfaces for engaging a running yarn at a twisting zone. The drive system for the discs includes a drive component which includes a ... | 11/25/1986 |
| 4513566 | Resilient support for a high-speed rotor Resilient high-speed rotor support, especially applicable to rotor shafts open-end spinning machines. The support is made up of a double-row rolling bearing, a rotor shaft, and a central sleeve for the bearing, as well as resilient damping elements dispo... | 04/30/1985 |
| 4283095 | Capstan shaft thrust pad device A capstan shaft thrust pad device, for use with a tape cassette having a capstan shaft opening of a certain diameter, includes a bearing having a generally cylindrical upper portion which forms a first bearing surface, the outer diameter of the upper bear... | 08/11/1981 |
| 4254614 | Device for supporting a spindle of an open-end spinning frame A device for preventing a spindle of an open-end spinning frame, which device comprises a rotatable spindle having a rotor attached at one end thereof and a shaft, formed at the other end thereof, to be pressed by a running belt, a bearing casing for rota... | 03/10/1981 |
| 4221439 | Mounting for the shaft of an open-end spinning rotor A mounting for the shaft of an open-end spinning rotor which by means of axial thrust is pressed at its end against a ball that is carried by a unilateral attached support. A stablizing screw contacts the support in a direction opposite from the direction... | 09/09/1980 |
| 4149365 | Arrangement for preventing axial displacement of spinning rotor spindle An open end spinning machine includes a row of spinning rotors each connected to spindles rotatably supported in their predetermined axial position by associated twin-disk mechanisms and driven by a belt moving across the spindles. When the spindle is sub... | 04/17/1979 |
| 4067625 | Resolving roller The peripheral fittings for resolving sliver are carried by an annular sleeve. Such sleeve is removably mounted concentrically of the resolving roller shaft by a centering roller body carried by the shaft. A resilient member is radially spread by a clampi... | 01/10/1978 |
| 3958846 | Open end spinning spindle A bearing assembly for the rotor shaft of an open-ended spinning machine in which the bearing housing is formed with a bypass passage to allow air flow resulting from pressure differentials between the two ends of the bearing housing to bypass the bearing... | 05/25/1976 |
