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8950353 Ship and gangway for the same  
The invention relates to a ship, in particular a freight ship, comprising an outer wall and a gangway for embarking and disembarking the ship, which can be moved backwards and forwards between an...
8925130 Access apparatus for transferring from vessels to fixed structures  
An access apparatus for enabling transfer of personnel between a seaborne vessel and an offshore installation is disclosed. The apparatus comprises a body adapted to be mounted to a deck of a...
8464384 Stop and lock for a vertically storing dock leveler  
A dock leveler with a pivotal deck includes a stop mechanism that provides the deck with a positive stop at the deck's vertically stored position without the deck's actuator having to be fully...
8191194 Stop and lock for a vertically storing dock leveler  
A dock leveler with a pivotal deck includes a stop mechanism that provides the deck with a positive stop at the deck's vertically stored position without the deck's actuator having to be fully...
7900307 Boarding bridge  
It is an object to provide a boarding bridge in which differences in level are eliminated between walkway portions of adjacent gangway units so that falling or the like of passengers can be...
7670096 Compound truck leveler  
A compound truck leveler for use upon a driveway abutting a loading dock is provided that includes an incline portion having a trailing edge disposed further from the driveway than its leading...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
6065172 Hydraulic control circuit  
A hydraulic control circuit for a dock leveler which includes a deck pivotable between stored and raised positions and a lip pivoted to the deck for movement between pendant and extended positions...
5996156 Dock leveler raised by deflating an inflatable member  
A dock leveler including a ramp having a rear edge movably interconnected with a loading dock, an intermediate member movable relative to the ramp, and an inflatable assembly positioned to cause...
5851099 Adjustable cargo platform assembly  
This invention relates to a ramp design permitting the positioning of a cargo ramp floor at any angle or height, which is integral with the aircraft such that it can be aligned to a vehicle...
5816767 Transport locking system for movable-deck vehicle  
A transport locking system for a movable-deck trailer includes a telescoping sleeve which is positioned in parallel with a main deck piston and cylinder unit beneath the trailer deck. The main...
5802651 Dock leveler with a movable ramp and an inflatable member  
A dock leveler comprising a ramp movable between a lowered position and a raised position, an inflatable member positioned to move the ramp to its raised position upon inflation of the inflatable...
5791003 Method and apparatus for variably elevating a passenger boarding bridge platform  
An apparatus for variably elevating passenger boarding bridge platforms includes a tunnel (11) having a pivoting end (21) adjacent a fixed platform (7) and a free end (52) adjacent a variable...
5678984 Detachable folding trailer ramp  
A ramp for flatbed trucks and trailers which may be attached or removed from the vehicle in a matter of seconds and requires no modification of the trailer. The invention utilizes two ramp...
5651656 Rail transportable ramps for loading semi-trailers on trains  
A ramp car for use in an intermodal train includes a ramp having a set of rail wheels mounted at one end and a connector at the one end for coupling the ramp car to a flat bed rail car. A second...
5651155 Support mechanism for a dockleveler lift bag  
A support and attachment mechanism for a dock leveler lift bag. The dock leveler includes a supporting structure which is mounted in a pit in a loading dock and the rear end of a ramp is pivoted...
5647081 Manual hydraulic dock board hold down arrangement  
A hydraulic hold down locking cylinder is disclosed by replacing mechanical lock arrangements commonly used on less expensive dock boards. This arrangement provides superior performance,...
5621938 Edge-of-dock leveler and method of making  
An edge-of-dock leveler incorporating an inflatable lift bag. The leveler includes a frame mounted on the front face of the dock and the rear edge of a deck plate is hinged to the frame, while a...
5600859 Dock leveler in which the ramp is raised and lowered using an inflatable member and method of use  
A dock leveler including a ramp movable between a raised position and a lowered position is moved to its raised position by inflation of an inflatable member, such as an airbag supported beneath...
5560733 Gas pre-charged mass counterbalancing  
A system for above grade and below grade installation, for rendering the mass weightless in preparation to being lifted subject to its mass inertia, wherein a pre-charge is applied to the...
5544381 Dock leveler hydraulic circuit  
A dock leveler having a deck-assembly, a first hydraulic cylinder to power said deck assembly to a raised position, lip mounted to said deck assembly, and a second hydraulic cylinder for powering...
5526545 Automatic return to dock mechanism  
A dock leveler comprising having a deck pivotally mounted for movement between a stored generally horizontal position and an operative position. A lip assembly is pivotally attached to one end of...
5522108 Dock leveler having a ramp movable to a raised position by inflation of an inflatable member, with a filler for occupying volume within the inflatable member  
A dock leveler including a ramp is movable to a raised position by inflation of an inflatable member, such as an air bag assembly. One or more filler members are located within an internal cavity...
5522107 Retaining arrangement for an inflatable member in a dock leveler  
A dock leveler includes a ramp movable between a raised position and a lowered position in response to selective inflation of an inflatable member disposed between the ramp and a support located...
5500968 Dock leveler incorporating an inflatable bag  
A dock leveler comprising a ramp hinged at its rear end to a supporting structure and movable between a generally horizontal position and an upwardly inclined position. A lip is hinged to the...
5490754 Hydraulic upper deck ramp for a trailer  
A trailer comprising a lower main deck and an upper deck positioned forwardly and upwardly of the main deck and including an upper deck ramp positioned at the forward end of the main deck which...
5460460 Scissors lift dock leveler  
A dock leveler scissors lift system mounted in a pit having back and side walls. The scissors lift mechanism comprises first and second scissors arms mounted on a base frame, one of the arms...
5452489 Dock leveler with automatic end barrier  
A dock leveler is mounted in a pit formed in the floor of the loading dock area of a factory, warehouse or similar facility. The loading dock includes an overhead door adjacent the dock leveler....
5416941 Dockboard having an improved return-to-dock-level mechanism  
A dockboard having an improved return-to-dock-level mechanism. The dockboard includes a ramp having its rear edge hinged to the frame of the dockboard and a lip is hinged to the front edge of the...
5274867 Hydraulically operated edge-of-dock leveler  
A hydraulically operated edge-of-dock dock leveler including a deck plate having its rear edge hinged to the dock and an extension lip is hinged to the front edge of the deck plate. In the storage...
5253381 Hinged cargo ramp  
A cargo ramp for an aircraft is constructed of two segments which are hinged together so that they may articulate about the ramp pitch axis. The first of the two segments is hinged to the cargo...
5205010 Return-to-dock level mechanism for a hydraulic dockboard  
A return-to-dock level mechanism for a power operated dockboard. The dockboard comprises a ramp which is hinged at its rear edge to the frame of the dockboard and a lip is hinged to the forward...
5148751 Bridging mechanism for crossing railroad tracks with vertically moving pivot carriage for bridge plate  
A bridging mechanism, the bridge plate of which can be pivoted from a vertical rest position behind the tracks into a horizontal operating position in which the free end of the bridge plate rests...
5123135 Dock leveler support structure and pivoting apparatus  
A dock leveler having a pivotable main deck, a lip plate pivotably connected to the main deck, and a lip plate extension apparatus for pivoting the lip plate from a stored position to a bridging...
5111546 Dock leveler lift assembly and method for operation  
A dock leveler lift assembly for facilitating loading and unloading operations from a loading dock is provided. The assembly includes a deck adjustable in a leveler mode between selected raised...
5068938 Self-leveling platform for loading docks  
A movable loading platform for an elevated loading dock in loading large cargo containers onto and from a vehicle parked alongside the loading dock in which an upper horizontal panel is slidably...

Matches 1 - 50 out of 125 1 2 3 >