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| Number | Title | Issue Date |
| 7380305 | Loading dock system with biodegradable fluid A hydraulic system for operating dock levelers, vehicle restraints, and other types of loading dock equipment includes one or more features that prolong the life of the hydraulic fluid. A hydraulic reservoir with a desiccant filled breather cap or a hermetically sea... | 06/03/2008 |
| 7363670 | Formed front header for a dock leveler A dock leveler includes a pivotally extendable lip coupled to a pivotal deck by way of a front hinge, wherein the structure in the area of the front hinge optimizes the torsional flexibility of the deck; provides a well supported, durable crown (apex angle between a... | 04/29/2008 |
| 7353558 | 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 ... | 04/08/2008 |
| 7225493 | Support leg system and method for supporting a dock leveler A method and 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. The method includes maintaining the support leg in a support position and retracting the s... | 06/05/2007 |
| 7216391 | Constant radius dock leveler hinge A dock leveling system adapted to be disposed in a pit is disclosed. A hinge member with a hinge pin receiving area and a hinge pin disposed in the hinge member defines a center of rotation. A deck that is rotatable about the hinge pin includes a curved portion with... | 05/15/2007 |
| 7213689 | Shock absorber for a remote-controlled model car A shock absorber for a remote-controlled model car includes a sealing member fixed on the topside of a piston. The sealing member has two opposite flexible portions respectively matching with the flow-guiding holes of the piston, with flow gaps formed between the fl... | 05/08/2007 |
| 7162761 | 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 ... | 01/16/2007 |
| 7162762 | Dock leveler with inflatable bag An air operated dock leveler is provided to selectively raise and lower a deck with an extendable lip. The deck includes a downwardly extending deck lift arm. An air lift assembly includes a single chamber, inflatable bag positioned between a stationary lower bag su... | 01/16/2007 |
| 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 |
| 7134159 | Stump-out apparatus for a dock leveler A closed loop reciprocating fluid circuit apparatus for mechanically powered and electromechanically powered dock levelers, which may be mounted at a forward edge of a dock leveler to selectively engage the dock leveler during pivotal downward movement of a deck, is... | 11/14/2006 |
| 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 |
| 7100233 | 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 ... | 09/05/2006 |
| 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 |
| 7062814 | Inflatable column assembly for a dock leveler A dock leveler for a truck loading dock includes a pivotal deck that is actuated by an inflatable column assembly. The inflatable column assembly includes a pliable tube that when inflated has a generally vertical cylindrical shape that can provide a heavy deck with... | 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 |
| 7043790 | 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 ... | 05/16/2006 |
| 7039978 | Flexible over the wing passenger loading bridge Disclosed is an apparatus for moving passengers between an airport terminal building and a doorway of an aircraft located rearward of a wing of the aircraft. The apparatus includes a first passageway member pivotally coupled at an inboard end thereof to a rotunda an... | 05/09/2006 |
| 7013519 | Dock leveler The present invention pertains to a mechanically actuated dock leveler with a mounting frame secured in a pit of a loading dock, and a deck assembly with a deck and extendable lip. A deck lift assembly biases the deck to move from a parked position to a raised posit... | 03/21/2006 |
| 6973693 | Dock leveler assembly with adjustable automatic release A dock leveler assembly includes a base and a ramp that is pivotably movable under the influence of a biasing arrangement to a raised position. The ramp is lowered into engagement with a truck bed, preferably via a lip connected to the outer end of the ramp, and a h... | 12/13/2005 |
| 6951041 | 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 ... | 10/04/2005 |
| 6948988 | Hydraulic tilt system for marine propulsion device An outboard motor includes a drive unit and a bracket assembly mounted on an associated watercraft. The bracket assembly includes a swivel bracket carrying the drive unit for pivotal movement about a steering axis and a clamping bracket supporting the swivel bracket... | 09/27/2005 |
| 6931687 | Flexible over the wing passenger loading bridge Apparatus for moving passengers between an airport terminal building and a doorway of an aircraft located rearward of a wing of the aircraft which includes a passageway member pivotally anchored to one of the terminal building and a passenger loading bridge for serv... | 08/23/2005 |
| 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 |
| 6923140 | Boat access stairway A boat access stairway having a landing attachable to a pier, a ramp which can be raised, lowered and slewed and a platform at the free end of the ramp whose orientation relative to a boat positioned parallel to the pier remains the same regardless of the slewed con... | 08/02/2005 |
| 6912750 | Dock leveler with dual function hydraulic mechanism A hydraulically operated dock leveler having a single cylinder that raises the ramp and extends the lip. The leveler includes a ramp assembly that is hinged at its rear edge to a supporting structure and a lip that is hinged to the forward edge and can be pivoted be... | 07/05/2005 |
| 6820296 | Flexible over the wing passenger loading bridge A novel apparatus for moving passengers between an airport terminal building and a doorway of an aircraft located rearward of a wing of the aircraft. The inventive apparatus includes a passageway member pivotally anchored to one of the terminal building and a passen... | 11/23/2004 |
| 6789286 | Flexible over the wing passenger loading bridge An apparatus for moving passengers between an airport terminal building and a doorway of an aircraft located rearward of a wing of the aircraft, including a passageway member pivotally anchored to one of the terminal building and a passenger loading bridge for servi... | 09/14/2004 |
| 6698052 | Hydraulically assisted restraint device A device for restraining the upward movement of a dock comprising a hydraulic cylinder having a fixed end; a piston slideably disposed in the cylinder so as to define opposed first and second chambers; a rod having one end connected to the slideable pisto... | 03/02/2004 |
| 6526615 | Flexible over the wing passenger loading bridge Apparatus for moving passengers between an airport terminal building and a doorway of an aircraft located rearward of a wing of the aircraft, including a passageway member pivotally anchored to one of the terminal building and a passenger loading bridge f... | 03/04/2003 |
| 6516487 | Dockleveler with a barrier A dockleveler having a lip that can be both moved between a pendent inoperative position and an operative position and moved from a retracted to an extended position. This feature allows the lip to be partially extended during an end load so that the lip ... | 02/11/2003 |
| 6502267 | Conveyor crossover A conveyor crossover has a pivotable ramp which is moved from a horizontal bridging position across a conveyor to an upright position is which it is out of the way of material being moved by the conveyor. The ramp is raised and lowered by a control system... | 01/07/2003 |
| 6499169 | Recycle control system for dock levelers A recycling control system for a dock leveler including a pivotally mounted deck. There is a powered lifting mechanism for raising the deck and a lip pivotally mounted to the deck for movement between pendant and extended positions. The control assembly i... | 12/31/2002 |
| 6405397 | Loading dock with segmented wide lip A dock leveler that is mounted in a recessed pit and having a deck as wide as necessary to provide access to the transport vehicle. A lip is mounted to the front of the deck of the leveler and pivoted in a conventional manner. At each side of the lip are ... | 06/18/2002 |
| 6386819 | Self-powered elevationally adjustable foldable ramp for draft vehicles An elongated hydraulically foldable and elevationally adjustable ramp connectable to a draft vehicle and including leading and trailing ramp sections that are pivotally joined and foldable between an inclined loading position and an upright traveling posi... | 05/14/2002 |
| 6368043 | Low-profile truck leveler A truck leveler includes a low-profile traffic surface that is pivotally mounted to a driveway approach in front of a loading dock. Pivoting the leveler raises a reat portion of a truck or trailer to the height of the dock. The truck leveler has strength,... | 04/09/2002 |
| 6360393 | Method for converting a dock leveler to a dock leveler operated with an inflatable member and a dock leveler produced by the same A method and conversion kit for converting a non-inflatable dock leveler having a lifting mechanism to an inflatable bag dock leveler. The method includes removing the lifting mechanism from the non-inflatable dock leveler and coupling an inflatable lifti... | 03/26/2002 |
| 6327733 | Mechanically actuated dock leveler with hydraulic assist A pit type dock leveler having a frame adapted to be fixedly mounted at a dock with a deck, pivotedly mounted to the frame at one end thereof, and having a pivotable lip at the other end. A spring is mounted to the deck and the frame to support and raise ... | 12/11/2001 |
| 6311352 | Self-unlatching dock leveler lip with dampened descent A dock leveler ramp with a lip that can be latched in an extended position to ensure that the lip comes to rest upon the back end of a vehicle as the ramp descends includes an unlatching mechanism. The mechanism positively unlatches the lip by direct forc... | 11/06/2001 |
| 6179545 | Flip-over ramp A flip-over ramp assembly is normally stowed in a horizontal position in a recess in a vehicle floor, and can be pivoted upward and outwards to a downward sloping deployed position, after the vehicle door has been opened. The flip-over ramp assembly compr... | 01/30/2001 |
| 6085375 | Lip guiding mechanism for dock levelers A lip guiding mechanism is disclosed for use with a dock leveler having a deck which is pivotally movable with respect to a loading dock, a lip which is pivotally attached to a front of the deck, and a lip keeper which is positioned to receive the lip whe... | 07/11/2000 |
