Match Document Document Title
4363150 Ship's embarkation device  
A ship's embarkation device comprising a projecting ladder or similar structure (3), which at one end is pivotally connected to a first platform (2), which is pivotally connected to the ship's...
4348780 Apparatus for elevating a mobile rig  
This invention relates to apparatus for elevating a mobile workover rig to an elevated operating position proximate wellhead. It includes a portable platform arranged for positioning proximate the...
4341371 Car ramp and supporting device  
There is disclosed an improved vehicle ramp and supporting device wherein said device utilizes a standard cinder or concrete construction block. The device includes a framework which comprises...
4330056 Mine conveyor belt man crossover  
A man crossover for belt conveyors used in underground mines, the conveyors comprising spaced groups of belt-supporting rollers connected along each side of the conveyor by cables, comprises a...
4329752 Cargo loading apparatus  
The present invention relates to a cargo loading apparatus for loading a cargo disposed on a first level onto a deck disposed on a second level generally above the first level, the deck having a...
4325667 Freight handling means  
Freight is shipped from a production center to a railhead by loading the freight at the production center onto railroad boxcars which are water-borne, i.e. carried by railroad barges or railroad...
4285514 Ramp device for practicing wheeled sports  
A ramp on which bicycle riding, skateboarding, and rollerskating etc. may be practiced comprising two rectangular plates placed in juxtaposition to one another and interconnected by an elongated...
4274172 Ramps  
A platform and ramp apparatus comprises a ramp and structure for securing the ramp to the platform. The securing means comprises link structure rotatably mounted on the platform to rotate about a...
4235370 Portable set-off device for railroad motorcars  
A portable set-off device for a railroad motorcar comprises a collapsible platform and a telescoping ramp. The platform has a barrier, near its end edges transverse to the railroad tracks, for...
4209869 Lifting apparatus for dockboard  
A lifting lever is rotatably mounted on at least one side of a dockboard for movement to a raised position for raising and holding one end of the dockboard above a loading dock or the like so that...
4162551 Footbridge for connection between a fixed installation and an oscillating installation  
A footbridge for connection between a fixed installation and an oscillating installation, for example petroleum production platforms, comprising three sections hinged together, the end sections...
4129916 Adjustable skateboard ramp  
An adjustable ramp includes a ramp member supported in an adjustable suspensory frame. Adjustment of the suspensory frame changes the angle of incidence of the ramp member to the supporting...
4127201 Collapsible loading ramp or the like  
A collapsible loading and unloading ramp comprising two substantially parallel spaced longitudinal supports intended to be secured to a vehicle component, for instance a vehicle platform. Each of...
4118816 Crossover or bridge  
A crossover or bridge for shipment as a compact unit for assembly at an installation site comprising a bridge section and a pair of stairways for connection with opposite ends of the bridge...
4107932 Portable dock  
This portable dock consists primarily of a channelled body portion, for being anchored on the bank of a body of water, the body portion being hinged to a ladder, which is elevatable, and provided...
4088288 Aircraft ramp assembly  
An aircraft ramp assembly for loading and unloading of cargo includes a ramp door with a toe ramp hinged thereto. The toe ramp includes a forward toe leaf and an aft toe leaf, the forward toe leaf...
4084713 Vehicle wheelchair ramp  
A vehicle wheelchair ramp for loading and unloading an occupant confined to a wheelchair. The ramp is hingably mounted on the floor of the vehicle and unfolds outwardly from the vehicle for...
4083072 Connection system for marine structures  
A method of and apparatus for connecting a material and personnel transfer ramp from an offshore oil structure, or the like, to a floating vessel which comprises a docking pedestal rigidly...
4079476 Fiberglass footbridge  
A fiberglass footbridge comprising a floor, handrails, and a web between the floor and the handrails, all of fiberglass. A continuous layer of fiberglass filaments that extend parallel with the...
4078678 Van platform housing  
A van platform housing for installation upon a first floor, such as in a van or a truck; the housing including a special floor to be positioned in spaced relationship to a first floor to define a...
4076134 Wheeled ramp loading and unloading apparatus  
Trailers are loaded on and unloaded from railroad flatcars by use of a system including tractors to pull the trailers, an end ramp at the end of the train, and a movable side ramp structure at the...
4074384 River ramp for hovercraft  
Apparatus for the traversal of an air boat or hovercraft over river dams consisting of a two-sided ramp having an upper and lower end. The ramp is constructed in a river extending over a dam. The...
4042992 Portable reinforced loading ramp  
A portable reinforced loading ramp is described that is transversely expandable to enable the ramp to be used for loading automobiles. The ramp is constructed with two body sections having means...
3999397 Modular dock system  
A modular dock system comprising one or more dock panels adapted to be interconnected into a pier, each of said panels comprising a plurality of elongated extruded aluminum panel members having a...
3984891 Portable ramp  
A portable ramp includes a span to the ends of which are secured feet, such securement being by means of pivotal connections that enable the feet to be pivoted so as to accommodate various...
3983590 Safety device for a loading bridge or walkway  
A safety device for a loading bridge or walkway at which aircraft are parked for loading and unloading of passengers and cargo through an open door in the aircraft. To prevent the open door from...
3976209 Pick-up truck loading ramp  
A folding loading ramp for attachment to the end gate of pickup trucks. The ramp is of such a construction so that it may fold up with the tailgate, take up minimal additional space, and not...
3962747 Installation for anchoring the ramp ends of bridges  
An anchoring arrangement for the ramp ends of a bridge structure wherein an anchoring plate is provided and secured to the ramp ends by at least one tensioning device. The anchoring plate is...
3943589 Gangway element  
A skid-proof gangway element in the form of a metal sheet having large holes with upwardly pressed edges and small holes arranged between the large holes and having downwardly pressed edges. The...
3936898 Portable ramp for wheel chairs  
This invention consists primarily of a pair of hinged together plates of rectangular configuration which are secured fixedly to tubular members, each of the tubular members having leg members on...
3928882 Portable ramp  
A device for placement on a scale so as to enable wheel chair patients to use the scale. This device consists primarily of a main body portion including a balance weight, a hinged ramp and a rail...
3912408 Cover for channels and ducts  
A cover for a floor channel or duct for services is comprised of transverse metal, preferably inverted, L-shaped bars flexibly connected together by wires running lengthwise of the duct so that...
3881206 Loading ramp adapted to bridge a pair of platforms  
A loading ramp is disclosed which is adapted to bridge the distance between a fixed platform, such as a loading platform, and a vertically movable platform, such as the floor of a railroad car,...
3881207 LOADING DOCK  
A loading dock for facilitating the transport of articles from piers to haulaway vehicles or the like includes a pair of spaced apart ramps rotatably secured to a base at one end thereof....
3875603 GANGWAY CONSTRUCTION  
A gangway is connected on one end to an annular platform surrounding, and movable up and down a spiral staircase.
3870170 Loading ramp for pick-up trucks and the like  
A loading ramp which is forwardly retractable into and rearwardly extensible from a housing or storage compartment within the bed or base of a pick-up truck body or the like. The forward end of...
3863895 WHEEL RAMP  
A wheel ramp which is formed with rigid, longitudinally extending side frames interconnected by separate, transversely extending treads and transversely extending feet, both of which are attached...
3837663 SNOWMOBILE LOADING RAMP  
An elongated ramp structure for use in loading a snowmobile on to an elevated vehicle load bed. The ramp is designed to be disposed in an inclined position with its lower end upon the ground and...
3818528 PORTABLE RAMP FOR WHEEL CHAIRS AND THE LIKE  
A portable ramp embodying a number of longitudinal ramp members disposed side by side, each including a number of separate ramp sections arranged end to end, and hinges joining the adjacent ramp...
3806976 DOCK PLATE  
A dock plate structure for bridging or spanning the space between a loading dock and a truck or railway car is disclosed herein. First and second spaced apart support arms are positioned adjacent...
3747354 RETRACTABLE PIER  
A portable pier or landing dock is provided for use, for example at small lakes and private cottages, comprising a pair of pier members hingedly affixed to each other with the end of one pier...
3711882 ELEVATED DOORWAY RETRACTABLE RAMP STRUCTURE  
A loading and unloading ramp structure for use in conjunction with an enclosure having one upstanding wall with an elevated entranceway formed therein and an interior floor surface having one...
3685796 BOLSTER ASSEMBLY  
A support bolster for a vehicle body providing lateral and longitudinal stability for a vehicle body mounted thereon.
3666045 EMERGENCY GANGWAY FOR RAILROAD CARS  
An emergency gangway particularly adaptable for railroad cars, wherein a compartment door within the railroad car includes detachable hinges so that the door can be removed and used as an...
3654653 PROBE APPARATUS  
Sighting probe apparatus for a vehicle with an elevatable passenger compartment having an extensible and rotatable gangway-canopy structure for mating with an aircraft or terminal building to...
3639935 PORTABLE DOCK LEVELLERS  
A dock platform having a resiliently pivot-liftable wing on one side thereof which is adapted to bridge a space between a dock and the floor of an adjacent carrier, when lowered, for transport of...
3517791 RAMPS  
3516560 POWER SKIDS  
3491394 DOCKBOARD  
3487489 TREAD PLATE