Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8011304 | Gate retention mechanism for a conveyor assembly A rail section for use in a rail switch and method for assembling same are provided. The rail section is connected to a switch mounting by inserting a portion of the switch mounting through an aperture provided in the rail section and then applying a double weld. Si... | 09/06/2011 |
| 7080727 | Clothing transport and storage system, apparatus and method A system, apparatus and method for the handling, transport and or storage of items of wearing apparel which are hung on hangers. In the system, there is plurality of transport units which travel over a rail system from a first location (e.g. an inbound location) to ... | 07/25/2006 |
| 6708622 | Rail mounted patient lift A rail mounted patient lift comprises a ceiling mountable rail 10, a carriage 16 mounted for displacement along the rail, a flexible elongate support element and power operated lifting means for extending and retracting the support element relative to ... | 03/23/2004 |
| 6273000 | Rail switching system A system for switching rails that rotates in a horizontal plane about a pivot to direct a vehicle traversing a system of rails along alternate paths is provided. The rail switching system also has a main line connector for providing one vehicle path betwe... | 08/14/2001 |
| 5271333 | Switching mechanism for trolleys A switching mechanism for use with an overhead rail system including a main rail track and a branch rail track to support and move product thereon, the switching mechanism comprises a first switching member and a second switching member including a first ... | 12/21/1993 |
| 5152226 | Track switch with dual shaft pivot and rotatable hub connected to switch components and mounted on an outer pivot shaft having a greater preset length An improved switch for an overhead trolley track system, which is adaptable to be inserted between intersecting tracks and adjustable for handling trolley movement from one track to another. The improved switch includes a unique pivot and shaft assembly w... | 10/06/1992 |
| 4915012 | Control scheme for apparatus with moveable rail section A conveyorized transport apparatus has an overhead rail system for transporting articles on a suspended trolley from one location to another. A moveable rail section in the system has a pivotal connection with an adjacent rail section to pivot the moveabl... | 04/10/1990 |
| 4840123 | Conveyorized apparatus with moveable rail section A conveyorized transport apparatus has an overhead rail system for transporting articles on a suspended trolley from one location to another. A moveable rail section in the system has a pivotal connection with an adjacent rail section to pivot the moveabl... | 06/20/1989 |
| 4736687 | Workpiece transport system A computer-controlled system for transporting workpieces, in which each workpiece is placed on a load carrier, each workpiece and load carrier being marked with an identifier. A central computer is loaded with data relative to each given workpiece, its re... | 04/12/1988 |
| 4646646 | Overhead trolley track switch A switch for controlling the movement of trolleys on overhead tracks, which comprises a plurality of tracks intersecting with each other, wherein the switch is adaptable to be inserted between intersecting tracks and adjustable for handling trolley moveme... | 03/03/1987 |
| 4453469 | Trolley stop for track switch A trolley stop device for use in an overhead track and trolley system in which there is a track switch such as those frequently used in slaughter houses and the like. Such systems include a main track and a branch track with a track switch by which a trol... | 06/12/1984 |
| 4279201 | Garment rack system An article transport system comprising a plurality of article carrying trolleys which are movably supported by a pair of rollers on a pair of rails suspended within a trailer, the trolleys being stacked on the rails at a diagonal to the longitudinal axes ... | 07/21/1981 |
| 4276831 | Trolley storage The present invention relates to an overhead trolley switching system which is operative in both manual and automatic modes. The switching system is particularly suited for the storage of overhead trolleys and includes a secondary rail spaced from the mai... | 07/07/1981 |
