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| Number | Title | Issue Date |
| 8146702 | Load handling bumper for material handling device A material handling device includes an automated guided vehicle configured for use with a carrier. Both the vehicle and the carrier include a bumper having a reflective target mounted thereon. The automated guided vehicle includes a sensor having a light source and ... | 04/03/2012 |
| 8075243 | Automatic transport loading system and method A method and system for automatically loading and unloading a transport is disclosed. A first guidance system is used to travel near the transport and a second guidance system is used to travel on the transport. ... | 12/13/2011 |
| 8069977 | Slider bed conveyor The subject invention provides for a slider bed conveyor system that allows for lateral movement of a longitudinally moving conveyor of a fixed length. The system includes a first conveyor section having a first surface that extends between opposing first walls. A s... | 12/06/2011 |
| 7991521 | Variable path automated guided vehicle An automated guided vehicle and a method of controlling an automated guided vehicle which are capable of varying the travel path of the automatic guided vehicle in order to reduce wear patterns created in the floor of the material handling facility. The travel path ... | 08/02/2011 |
| 7980808 | Automatic transport loading system and method A method and system for automatically loading and unloading a transport is disclosed. A guidance system follows a travel path to a position near the transport and then a sensor profiles a transport so that a transport path is determined for an AGV to follow into the... | 07/19/2011 |
| 7648329 | Automatic transport loading system and method A method and system for automatically loading and unloading a transport is disclosed. A first guidance system is used to travel near the transport and a second guidance system is used to travel on the transport. ... | 01/19/2010 |
| RE41077 | Station control system for a driverless vehicle A station control system for and method of controlling the operation of a driverless vehicle. The system includes a vehicle travel path, a plurality of station tags in readable proximity to the travel path, and a vehicle movable along the travel path. Each of the ta... | 01/19/2010 |
| 7400486 | Grounding device for automated guided vehicles A device and method is provided for use in connection with electrically grounding an automated guided vehicle. A grounding strap is suspended from the automated vehicle for contacting an electrical conductive ground device mounted to a floor along a travel path of t... | 07/15/2008 |
| 7362066 | Overload protection system An overload protection system and method of protecting a drive unit includes a torque arm assembly mounted to a fixture and a gear reducer. The reducer includes a bracket mounted to an axle of the reducer which is positioned adjacent to a measuring device. The torqu... | 04/22/2008 |
| 7350613 | Transport with rotatable load and safety bumper A vehicle having (i) a rotatable platform for securing a load thereto, and (ii) an object detection system for detecting an object in the vehicle's path of travel. The sensitivity of the object detection system is variable so that it can be varied based on the rotat... | 04/01/2008 |
| 7306089 | Skillet power system The invention relates to conveyor systems with skillets adapted with connectors to enable power to be conveyed between skillets that are abutted together along a production area. With the skillets being electrically connected, the conductor only needs to supply powe... | 12/11/2007 |
| 7263409 | Method and apparatus for tracking a load on a conveyor system A method and apparatus for tracking a load on a conveyor system using the trailing edge of the load. The method includes the steps of sensing the trailing edge of the load with a first sensor and updating a load record for the load in response to sensing the trailin... | 08/28/2007 |
| 7178660 | Workpiece transport system with independently driven platforms A manufacturing operation having a first production area, a second production area, and a plurality of platforms each having independently controllable drive assemblies for moving the platforms through the production and delivery areas. Adjacent platforms are spaced... | 02/20/2007 |
| 7174836 | Station control system for a driverless vehicle A station control system for and method of controlling the operation of a driverless vehicle. The system includes a vehicle travel path, a plurality of station tags in readable proximity to the travel path, and a vehicle movable along the travel path. Each of the ta... | 02/13/2007 |
| 7090042 | Floating drive for vehicle A vehicle having a load frame with wheels, a drive frame, a drive wheel, a non-driven rigid castor wheel, and a pivot link assembly. The drive wheel and non-driven rigid castor wheel are each fixed to move with the drive frame. The pivot link assembly couples the dr... | 08/15/2006 |
| 7011487 | Apparatus for transport and delivery of articles A vehicle (10) includes a hollow transfer device (20), a side translating assembly (40), and a lift mast assembly (90). The transfer device has at least one substantially open end and a longitudinal opening intersecting the substantial op... | 03/14/2006 |
| 6997303 | Carrier conveyor system The present invention is directed to a carrier and conveyor system that permits the carrier to be driven by at least two different types of conveyors or drive assemblies, including a power and free conveyor. The system includes a plurality of carriers, first and sec... | 02/14/2006 |
| 6971464 | Driverless vehicle guidance system and method A vehicle guidance system for guiding a vehicle along a magnetic marker including a first magnetic sensor having a sensing axis, the first sensor measuring a first magnetic field. A second magnetic sensor has a sensing axis, the second sensor measuring a second magn... | 12/06/2005 |
| 6966431 | Conveyor system for article treatment A system for transporting articles along a treatment path in a treatment area. The conveyor system includes a conveyor and a plurality of pendulums. The conveyor includes first and second drive segments laterally spaced from and parallel to one another. The pendulum... | 11/22/2005 |
| 6938752 | Belt conveyor system with carrier plate The present invention is directed to a conveyor system for transporting a workpiece. The conveyor system includes a drive assembly and a carrier plate. The drive assembly includes a frame, a drive belt, and a drive mechanism supported by the frame and engaging the d... | 09/06/2005 |
| 6902051 | Workpiece treatment system and conveyor assembly A conveyor assembly including a conveyor defining a conveying direction and a carrier assembly operably coupled to the conveyor. The carrier assembly includes a carrier frame, a rotating mechanism coupled to move with the carrier and having a rotatable shaft with a ... | 06/07/2005 |
| 6773574 | Method and apparatus for removing thimbles from the stubs of an anode An apparatus and method for removing thimbles (12) from stubs (20) of an anode yoke which includes the step of advancing a ram (20) towards each stub with the force applied by the ram against the stub being limited to a preset maximum, and anoth... | 08/10/2004 |
