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| Number | Title | Issue Date |
| 7216392 | Support leg system and method for supporting a dock leveler A dock leveler including a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. Also, a dock leveler including a multi-tiered lip keeper support system for supporting ... | 05/15/2007 |
| RE39404 | Movable loading bridge having an inflatable flexible body The invention concerns a loading bridge for making a connection between a loading platform and a vehicle, wherein the height of the bridge is variable at the side of the vehicle to allow for vehicles with different heights. A gas-operated driving mechanism is disclo... | 11/21/2006 |
| 7131160 | Vertically-storing dock leveler apparatus and method A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored raised position to at least one ... | 11/07/2006 |
| 7062813 | Support leg system and method for supporting a dock leveler An apparatus for supporting a dock leveler in a manner to reduce the effects of free fall and stump-out. The apparatus includes the use of a retractable support leg. ... | 06/20/2006 |
| 7047584 | Support leg system and method for supporting a dock leveler In one embodiment, a dock leveler includes a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. In another embodiment, a dock leveler includes a multi-tiered lip kee... | 05/23/2006 |
| 7044474 | Wiper seal method and apparatus A wiper seal apparatus for forming a weather seal between a vehicle and a loading dock is provided. The wiper seal apparatus includes a seal member which bends toward a support mounted on a warehouse wall when deflected toward the wall, and applies a pressure on the... | 05/16/2006 |
| 6975226 | Master control panel for loading dock equipment A unified docking apparatus is provided. It includes a single set of controls to operate a vehicle restraint, a dock door, a barrier device, a dock seal, and a loading light. Some optional embodiments include selector switch to select which apparatus the single set ... | 12/13/2005 |
| 6931686 | Support leg system and method for supporting a dock leveler A dock leveler includes a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. A disengaging system is also included to disengage the support legs from retracting when... | 08/23/2005 |
| 6918151 | Support leg system and method for supporting a dock leveler A support leg system and method for supporting a dock leveler. The support leg system includes a support leg, cam, engaging surface, and counterbalancing apparatus. The method includes moving a support leg to a non-supporting position when the dock leveler ramp is e... | 07/19/2005 |
| 6896469 | Apparatus and method for hydraulically controlling a vehicle restraint A valve circuit, including a first and second circuit portion, for hydraulically controlling a loading dock vehicle restraint. The first circuit portion permits raising and lowering of the vehicle restraint. The second circuit portion permits extension and retractio... | 05/24/2005 |
| 6842930 | Run-off guard for a dock leveler The dock leveler is adapted to be mounted to a loading dock and includes a ramp, a guard, and a biasing member. The ramp is rotatably coupled to the loading dock and the guard is rotatably coupled to the ramp. The guard is rotated between a raised position that form... | 01/18/2005 |
