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| Number | Title | Issue Date |
| 7065856 | Machine tool method A machine tool apparatus is provided employing a plurality of tool heads which may be sequentially or simultaneously automatically controlled to perform preprogrammed operations on either the same or different workpieces. In one form, a plurality of tool heads are s... | 06/27/2006 |
| 6027295 | Lifting system for manufactured and mobile homes A lifting system for moving mobile homes that includes wheeled jack assemblies, jack units assembled from such assemblies and a segmented track for supporting such assemblies and units. Each jack assembly preferably includes a jack rollingly carried on wh... | 02/22/2000 |
| 5647474 | Structure for preventing position deviation of a truck loaded on a traverser The present invention provides a traverser, which includes a support member driven by a chain and movable between a carry-in rail and carry-out rail which are disposed parallel with each other. The support member transfers a truck from said carry-in rail ... | 07/15/1997 |
| 4678051 | Rectilinearly traveling vehicle A vehicle or cart for movement in mutually perpendicular directions includes two sets of driving chains both in contact with the floor at the same time, one set for driving in one direction includes rollers whose axes are parallel to the direction of move... | 07/07/1987 |
| 4462313 | Apparatus for shuttling driverless vehicles A driverless shuttle vehicle transfers driverless vehicles between first and second parallel tracks. The shuttle vehicle has a track thereon adapted to be aligned with each of the first and second tracks. A motor adjacent each end of the first and second ... | 07/31/1984 |
| 4389941 | Driverless vehicle conveyor system In a driverless vehicle conveyor system wherein a driverless vehicle rides on tracks, two straight sections of the tracks have adjacent ends spaced by a gap. A transfer vehicle is provided in the gap for supporting and transferring driverless vehicles acr... | 06/28/1983 |
| 4359000 | Right angle conveyor system and vehicle for use therein First and second tracks of a conveyor system intersect at right angles. A drive shaft is associated with each set of tracks. Driverless vehicles ride on the tracks and are provided with first and second sets of drive wheels. The sets of drive wheels are u... | 11/16/1982 |
| 4357875 | Conveyor system with access way The conveyor track of a conveyor system is provided with an access way so that persons or vehicles may traverse the tracks without interfering with movement of driverless vehicles along the conveyor. A shuttle is suspended from above and supported for rec... | 11/09/1982 |
| 4294337 | Braking system for a transport car for transporting files In an exemplary embodiment, a brake disc is fixed to a motor shaft and a movable counter disc is withdrawn from the brake disc by an electromagnet against the force of a spring device. The spring device is laid out unsymmetrically in such manner that, in ... | 10/13/1981 |
| 4278381 | Pallet shuttle system A shuttle rail assembly, capable of carrying a pair of pallets to which workpieces are fixtured, is mounted on a wheeled vehcile movable along a pair of tracks extending adjacent machine tools and set-up stations. The vehicle is positively driven by a DC ... | 07/14/1981 |
| 4132174 | Driverless vehicle shuttle A shuttle vehicle reciprocates between sets of tracks for driverless vehicles. The linear movement of the shuttle vehicle causes a turntable on the shuttle vehicle to rotate. The turntable is adapted to support a driverless vehicle to be transported from ... | 01/02/1979 |
| 4109806 | Device for moving railway waggons A framework carrier adapted to move railway waggons outside a railway yard includes two first, longitudinal beams, each carrying a rail and two second, transverse beams adapted to co-operate with a transporting member, said transverse beams being adapted ... | 08/29/1978 |
| 4102273 | Apparatus for positioning battery-operated road vehicles at battery replacement stations Apparatus for positioning battery-operated road vehicles at relay stations where exhausted batteries are replaced with recharged batteries and wherein automatic or semiautomatic equipment is used for removal and/or introduction of batteries has a horizont... | 07/25/1978 |