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Karl Marx
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| Number | Title | Issue Date |
| 6363564 | Three-piece bridge joint A bridge joint for use with a railroad track having standard rail sections with flanges. The bridge joint includes a fixed point section having an integral accepting portion with a point and laterally spaced side walls, and a standard rail abutting portio... | 04/02/2002 |
| 5915907 | Apparatus for turning articles in storage structures A storage structure has an entry chamber for receiving articles, a storage area for storing the articles, a lift passage for connecting the entry chamber and the storage area, and a lift for conveying the articles through the lift passage between the entr... | 06/29/1999 |
| 5852978 | Device for displaying a motor vehicle and methods for displaying a motor vehicle The invention includes devices for displaying motor vehicles and to methods for displaying motor vehicles. In one aspect, the invention includes a device for displaying a motor vehicle comprising: a) a platform configured for supporting an unoccupied moto... | 12/29/1998 |
| 5815987 | Turntable with acoustic door and wall panel A rotary turntable for use in a building, such as in a residential or office environment, includes at least one door and at least one wall panel for cooperating with adjacent stationary building structures such as walls and a ceiling to define a variable ... | 10/06/1998 |
| 5755160 | Rotating floor for motor vehicles A rotating floor is provided for rotating a motor vehicle so that the motor vehicle attains a new heading. The rotating floor includes a platform supporting the motor vehicle. The platform is supported above-ground by a plurality of wheels oriented in con... | 05/26/1998 |
| 5400550 | Modular turntable construction An improved turntable is provided for use in a building, such as in a residential or office environment, wherein the turntable is constructed from modular components for facilitated installation within a relatively low profile space. The turntable compris... | 03/28/1995 |
| 5259720 | Rotary and tilt snowmobile trailer apparatus A trailer is arranged to have a rigid trailer frame, including radial rods projecting medially of the trailer frame, with the radial rods having rod rollers equally spaced relative to a cylindrical support collar. The cylindrical support collar rotatably ... | 11/09/1993 |
| 4901647 | Motorcycle maneuvering device The maneuvering device of the invention is designed to enable a motorcycle rider to handle his machine in limited storage space. Primarily, it consists of a platform supported on a center swivel that enables the rider to rotate the platform to any desired... | 02/20/1990 |
| 4796537 | Mobile truck turntable The invention provides a sturdy substantially rectangular scow-like turntable platform with retractable wheels for mobility and turntable mechanics for the use of heavy trucks. The turntable platform is towable and can be used with wheels down or with whe... | 01/10/1989 |
| 4750428 | Floating turntable for vehicles A vehicle turntable is disclosed herein having flotation and bearing systems to reduce friction while turning. When a vehicle is being moved on or off of the turntable, the turntable tips into engagement with its base to support the eccentric load of the ... | 06/14/1988 |
| 4662282 | Switching device for pneumatic conveyance linear motor actuated A switching device for a transporting track on which a pallet travels supported on a cushion of air which includes a rotatable track having air jets to support the pallet and which is supported on an air bearing, a first linear motor for turning the air b... | 05/05/1987 |
| 4597334 | Turntable for a system of driverless vehicles A turntable for driverless vehicles rides on a horizontally disposed circular rail and is pivotable about a vertical axis through an arc of 90°. A vertical shaft is connected at its upper end to the table by way of a universal coupling. A motor is connec... | 07/01/1986 |
| 4498398 | Display turntable A rotatable table for the display of large objects such as automotive vehicles and the like which is composed of a minimum number of components easily handled by individual assemblers. The components can be assembled and disassembled in a very short perio... | 02/12/1985 |
| 4446977 | Roller support for load handling devices A rotary load handling device including a frame structure having an arcuate roller rail mounted on the upper surface, a roller ring having a set of concentric ring members and a plurality of double flanged wheels connected therebetween disposed on the arc... | 05/08/1984 |
| 4216870 | Crane mounting A marine crane having an upper works rotatably mounted on a pedestal adapter, includes a retainer for limiting the extent to which the upper works can be tilted, such retainer having an arcuate member secured to the upper works that extends partially arou... | 08/12/1980 |
| 4200182 | Method of machining A machine tool wherein an annular gear is rotatable in a horizontal plane to carry a plurality of pallets between adjacent peripherally arranged machine stations. The gear is lowered as each machine station is attained by the entry of gear support bearing... | 04/29/1980 |
| 4134487 | Device for supporting or guiding a rolling load A rotatable load is driven and/or supported and/or guided by wheels carried by a stationary frame and capable of running along at least one track provided on the load. The bearings of each wheel are housed within a rocker-arm, one end of which is supporte... | 01/16/1979 |
| 4065891 | Rotary floor grain bin A rotary floor comprising a base having an upwardly facing surface and defining a vertically extending center axis, a platform disposed above and in vertical registry with the base, the platform having a bottom side, circular outer and inner lower tracks ... | 01/03/1978 |