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5273239 Modulable helicopter-carried nacelle to be placed on overhead cables  
The present invention provides nacelles or cars (10) and a catwalk or platform (30) which make it possible to instantaneously place one or more operators (2) on overhead cables (1) for carrying...
5269036 Vehicular ramp apparatus  
A vehicular ramp includes a support plate having forward and rear abutment plates for positioning and arranged for latching on opposed sides of a vehicular wheel positioned upon the ramp structure.
5267367 Safety ramp and method for protecting hoses and conduits  
An apparatus and method have been developed for protecting a hose or other utility conduit from damage caused by traffic crossing over such conduits. Substantially rectangular ramp units with...
5214817 Modular ramp and landing walkway assembly  
A modular ramp and landing assembly made from a plurality of similarly sized pre-manufactured concrete filled rectangular panels. The ramp portion is made from the modular panels attached by their...
5170976 Two piece loading ramp bracket  
A loading ramp bracket for use in attaching an upper end of a support member to an elevated support surface to facilitate use of the support member as a loading ramp for moving objects to and from...
5088143 Dock leveler lip actuation mechanism  
A dock leveler having an operative lever arm assembly to assist in raising the lip by spring action. The assembly comprises a latch arm which selectively engages a series of spaced stop positions...
5077852 Loading ramps  
An arrangement for limiting the extent to which telescopically mounted sections (1,2,3) can be extended is enclosed in a chamber (7) between each pair of sections, so as to be out of the way of...
5062174 Portable ramp  
A ramp for use in loading off road vehicles on pick up trucks. The ramp includes a number of ramp panels joined at lateral edges by hinges for foldably connecting the panels and longitudinal hinge...
5035565 Hinge bar connector assembly to connect ramps to a flat bed trailer  
A hinge bar connector assembly to connect spaced apart and separate ramps to a flat bed trailer of the type commonly known as a "hot shot" trailer of a semi-truck and trailer combination. Such...
5010614 Articulated bridge gangway between railroad cars  
An articulated bridge as a component of a detachable gangway floor plate between two articulated interconnected railroad cars, the bridge being provided with several elongated bridge elements...
5001798 Drive-on vehicle supporting arrangement  
A drive-on vehicle supporting arrangement for use with a floor anchor system includes a pair of parallel, spaced vehicle supporting treadways, each of which includes vehicle support stands secured...
4998313 Self-adjusting variable height gangway system  
A gangway system for providing access, particularly for handicapped persons, between structures having surfaces which are relatively movable with respect to each other over a range of motion. The...
4986405 Inclined ramp  
A mobile inclined ramp having longitudinal members that are disposed at the sides and are connected by transverse members that have a U-shaped cross-sectional configuraiton, with the cross parts...
4961241 Brake for rail dock leveler  
A brake mechanism for a vertically storing dock leveler mounted on a carriage for lateral movement on rails relative to a dock surface. The brake is automatically actuated by means of an arm that...
4945595 Modular ramp assembly  
A lightweight pedestrian ramp assembly for bridging a span of open water between two marine structures is readily adaptable in length and width to meet existing site requirements. The ramp...
4923360 Collapsible tailgate ramp  
A portable tailgate ramp for attachment to pickup trucks, moving vans or the like is disclosed. The device is so constructed that it collapses to a shallow depth for storage on a tailgate and can...
4920596 Vehicle wheel elevating device  
A two level car wheel elevating device for elevating the front wheel (146) of a car having a bumper assembly (117) and comprising, first (100), second (102), third (104), and a fourth (106) top...
4912796 Adjustable height wheelchair ramp with supporting legs  
This invention discloses a new, novel and unique adjustable height wheelchair ramp with supporting legs comprised of a pair of ramps, each end of each ramp containing a ramp end section and...
4913615 Hinge and ramp assembly  
A hinge and ramp assembly including first and second plate-like members, each having bottom portions and flanged end portions at one end, with a pivotal device disposed therebetween. The...
4879843 Dual purpose door system  
A dual-purpose door system includes a door to be snugly received within an aperture of a vehicle body. The door has the lower end pivotally connected to a slide unit which is mounted upon the body...
4874284 Kit for transporting all terrain vehicles  
A kit for adapting a pickup truck for safely loading, transporting, and unloading two all terrain vehicles over the truck's bed area while preserving cargo space in the bed area. The kit includes...
4864672 Dockplate  
A novel dockplate is made up of three pieces, hinge-connected together to form a safe bridging means. The end pieces or plates of the three-piece structure have breaks to permit a minimum angle...
4853999 Tail bridge  
The invention provides a tail bridge for bridging a tail end of a motor vehicle and the ground with a ramp rail. A foot part for the tail bridge includes a lower section plate to be placed on...
4845792 Two-part adjustable approach ramp  
An approach ramp for an automotive support platform includes first and second ramp members, the trailing end of the first ramp member being pivotally connected to the leading end of the platform....
4833750 Ramp section for collapsible floating bridge or ferry  
The invention relates to a ramp section or assembly for a collapsible floating bridge or ferry. The ramp section comprises two inner and two part outer float elements, connected together by...
4817224 Adjustable doorway ramp apparatus  
An adjustable doorway ramp apparatus is set forth wherein a doorway ramp is of a triangular wedge member configuration and includes a first, second, third, fourth, fifth, sixth, and seventh ramp...
4807317 Modular ramp  
The specification discloses a modular and reusable wheelchair ramp capable of ready assembly and disassembly while providing a strong and safe construction. The ramp includes a plurality of leg...
4779298 Foldable cable-supported ramp  
A portable foldable ramp for bridging the space between ground level and a raised level such as the bed of a pickup truck, to permit the passage of the wheels of all-terrain vehicles and like...
4761847 Folding ramp  
A portable folding ramp used for ascending or descending an object or platform. The ramp is comprised of a plurality of rectangular panels, respective ones of adjoining panels being pivotably...
4726516 Foldable ramp  
A pair of coplanar, telescopic tracks are held in a spaced-apart and generally parallel relationship by a plurality of crossties. The crossties may also be telescopic to vary the space between the...
4718812 Wheelchair lift with positive automatic handrail  
This concerns a wheelchair lift for a vehicle having upper and lower telescopic frames pivoted about an upper horizontal axis to swing out of the side of the vehicle. The lower telescopic frame is...
4712264 Modular step ramp  
A ramp for stairways is constructed from a plurality of separate right triangular modules which individually nest in the recesses of the stairway formed by the step treads and risers. The several...
4700421 Ramp for loading small motorized vehicles on pickup trucks  
A ramp assembly provides loading of small off-the-road vehicles onto, and unloading of such vehicles from the bed of a pick-up truck. The assembly includes a flexible support such as a sheet of...
4697294 Speed bumps for roadways  
A resilient ramp structure for highways, especially useful as a highway speed bump has at least two ramp plates fixable to a highway surface. Each ramp plate has an inclined surface leading to a...
4677799 Multi-sectional raceway  
A multi-sectional raceway is used in combination with a pair of interconnected panels of a detection system. The panels are attached to the ends of a pair of support beams, and electrical wiring...
4673326 Bridge and stopper mechanism for an apparatus for lateral transfer of roller pallets  
A bridge and stopper mechanism for an apparatus for lateral transfer of roller pallets, the apparatus serving to transfer roller pallets and employing bridges as extensions of rails between the...
4634145 Truck trailer loading bridge assembly  
A truck trailer bridge assembly for use with a truck trailer having at least a first area directly supported by at least one axle and a second area directly supported by at least one axle, the...
4630709 Pool entry and exit device  
A pool entry and exit device is provided for use by non-ambulatory persons and includes ramp structure defining a substantially planar surface extending from a position above the pool deck at a...
4628561 Telescopic ramp  
A compact ramp construction includes a series of nestable, telescopically extendable modules which are connected via an intermediate module to a base that detachably anchors one end of the ramp to...
4559659 Power operated wheelchair ramp  
A wheelchair ramp that is recessed in a sidewalk and adapted for elevation to an inclined position to provide a ramp between a step or a transit vehicle and the sidewalk. The plate includes an...
4554695 Vehicular road block  
A road block for preventing unauthorized vehicles from entering a secured area comprises a pit, a span covering the pit, collapsible support members supporting the span at the trailing end of the...
4528711 Portable wheel chair ramp  
A lightweight portable wheel chair ramp comprising a pair of ramps detachably secured to one another in a compact, portable configuration. Each ramp is telescopically extensible with oppositely...
4517698 Cargo handling ramp  
A cargo handling ramp including a support frame and an inclined walkway provided with hand rails along the walkway and rollers beneath the frame for moving it over a surface wherein a mechanism is...
4488326 Pallet dock lift  
An ambulatory power lift including a base and a movable lifting platform connected by a scissor lever assembly. Hydraulic power cylinders expand said scissor assembly in a manner which applies a...
4482284 Automatic hand rail  
An improved retractable hand rail for mounting on a platform of a vehicle lift. The hand rail is folded on top of the platform when the platform is raised into a substantially vertical position in...
4458620 Boat mooring apparatus  
Apparatus is provided for mooring a water-borne boat to a dock. The apparatus includes a pair of spring wires extending from the dock and over the water to brackets supporting a horizontal roller...
4443905 Loading ramp  
At least two plates hinged along a confronting pair of edges by hinge members having depending feet which hold the two plates slightly elevated along the hinge and allow the plates to assume...
4392769 Heavy duty mobile loading structure and system  
A heavy duty structure that forms a mobile loading system is shown that is comprised of a ramp means, a dump means and crawler undercarriage for use in loading trucks by making use of bulldozers....
4369538 Apparatus for transfer of persons and goods between structures offshore  
System for offshore transfer of persons and goods, preferably between a supply vessel and a stationary platform or a moored drilling/production platform or vessel, comprising a rigid gangway of...
4368553 Portable ramp  
A light weight portable ramp for permitting wheeled devices to be pulled over curbs and the like by one man, having a ramp surface angled to facilitate entry of the truck onto the ramp and an...