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8157054 |
Aquatic ladder for marine applications
The aquatic ladder was designed for ease of use, rather than ease of storage. It has wide, deep treads, arranged like a staircase, with side and upper railings which make it easy to enter or exit...
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8074768 |
Powered operator access system
An access ladder configurable from an extended position for providing access to a structure and a stowed position. The access ladder comprises an elongated first member having a first step...
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8006803 |
Ladder system, especially for vehicles
The invention relates to a ladder comprising a single post (1) provided with a fixing means (4) on the upper end (1S) thereof, said ladder comprising an anchoring means (9, 10) which is especially...
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7870932 |
Retractable access system ladder and work machine using same
A work machine and work machine access ladder assembly are provided. The work machine includes a work machine body having an operator platform. A hinge mechanism is coupled to the work machine body...
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7861663 |
Boarding ladder for inflatable watercraft
A portable boarding ladder is attached to a rubberized portion of an inflatable boat without the use of piercing fasteners and does not require a hard point mounting structure. A base ladder...
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7819225 |
Ice ladder
An ice ladder has a climbing ladder mounted to an adjustable frame, with the adjustable frame including a securing apparatus mounting on a desired surface, especially an opening in an ice covered...
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7721849 |
Retractable ladder
A retractable ladder for a motorhome or trailer includes pivoting mounting apparatus providing total support for a ladder and climber in an open position. The apparatus includes brackets which...
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7584823 |
Communicating ladder between an upper level and a lower level of an aircraft, and an aircraft provided with such a ladder
A ladder is positioned between a first hatch of an upper level of an aircraft and a second hatch of a lower level of the aircraft. A bottom end of the ladder is mounted in rotation on a floor of...
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7464792 |
Aquatic ladder adapted for marine applications
The aquatic ladder was designed for ease of use, rather than ease of storage. It has wide, deep treads, arranged like a staircase, with side and upper railings which make it easy to enter or exit...
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7401798 |
Tailgate ladder
A ladder assembly for a pick-up truck is pivotally connected with the truck tailgate for movement between a stowed position where the ladder assembly is held against the tailgate and an operable...
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7080713 |
Ladder assembly for vehicles
A ladder assembly including a mounting system and a ladder that is adapted to be pivotally attached to a vehicle such as the tailgate of a truck bed. When the tailgate is opened, the ladder can be...
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7017709 |
Marine safety ladder apparatus
A buoyant marine safety ladder apparatus includes a ladder that is pivotably mounted to a seawall or other support platform and is alternatable between a retracted condition, wherein the ladder is...
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6994184 |
Stowable ladder configured for installation in an opening
A folding ladder is configured for installation in an opening to provide access between one floor or space and another floor or space. The folding ladder includes, in one aspect, an upper ladder...
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6986402 |
Access device
An access device for providing access between a lower substrate surface and an upper substrate surface. The access device includes upper and lower articulated ladder members. A first end of the...
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6971478 |
Tailgate ladder
A ladder for a truck fitted with a pivotal tailgate, the ladder comprising a first leg portion pivotally coupled to a second leg portion, where at least one of the leg portions is fitted with at...
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6948588 |
Track and hinge for a boat ladder
A ladder system through which a ladder is retained on a deck of a watercraft by a track arrangement and positioned at a first location in an opening for an enclosure where the ladder is...
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6932192 |
Boat stairs bracket
A bracket to hold a boarding ladder to a boat. A quick release mechanism for both the ladder and the bracket itself are disclosed. A mounting plate is substantially flush with the side of the boat....
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6832667 |
Vehicle-mounted mobile adjustable ramp system
A vehicle-mounted system includes a platform that is attachable to a front and a rear of a vehicle. A main surface of the platform is located above the vehicle. One or more ramps are rotatably...
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6659225 |
Stairway for enabling access to an overhead area within a fuselage of an aircraft
A stairway module for use within a fuselage of an aircraft for enabling access to an overhead storage or sleeping area within the aircraft. One preferred embodiment discloses a spiral stairway...
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6505708 |
Ladder mounting system
A ladder mounting mechanism is configured for mounting a ladder to a truck trailer. The truck trailer has at least one keeper member fixedly connected thereto. The ladder mounting mechanism...
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6386318 |
J. C. life ladder
A pivotable type ladder assembly intended primarily as a life saving device for persons who accidentally fall into the water adjacent to the marine structure of a yacht basin or small boat marina....
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6378654 |
Ladder pivotally attached to a generally vertically extending surface
A ladder attached to a generally vertically extending wall or surface which is particularly useful when attached to the side of vehicles which can pivot outwardly to a slight extent at the bottom...
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6209682 |
Ladder assembly for track-type tractors
Access to an operator station of a large track-type tractor is provided by a ladder support structure pivotally attached to a portion of the radiator guard of the tractor. The ladder support...
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6116378 |
Universal, compact, truck tailgate ladder with support arms
A universal, compact, truck tailgate ladder with support arms is disclosed, comprised of a folding ladder of otherwise conventional design, with upper leg members and lower leg members, and a...
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6073725 |
Multi-position ladder and support therefor
A multi-position ladder includes a ladder, a longitudinally extending support member for supporting the ladder, and a connecting member connecting the support member and the ladder. The connecting...
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6058875 |
Hinged stairway system for water vehicles
A hinged stairway system for water vehicles containing a stairway and ladder rung system for use in the water, a hinge system secured to the stairway system, a locking system securable to the hinge...
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6012545 |
Foldable vehicle ladder system
A foldable vehicle ladder system for allowing a user to easily view and access the interior portion of a truck box and other equipment. The inventive device includes a pair of base members attached...
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6006861 |
Railroad crossing gate ladder assembly
A support or a railroad crossing gate and warning structure (such as warning lights mounted on a cantilever) has first and second ladders. The first ladder is stationarily mounted on the support so...
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6003633 |
Portable truck or trailer ladder assembly
A portable ladder for attachment to truck and trailer beds having stake or post pockets spaced about the outer periphery of the truck or trailer frame, including an attachment plate having a post...
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5950267 |
Portable gangway with leveling stairs
A gangway to accommodate passage to and from a boarding structure includes first and second longitudinal frame members each having an elongate housing with a wall structure surrounding an interior...
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5931258 |
Extendible safety posts for manhole ladders
A retractable safety post for facilitating access in and out of a manhole is slidably attached to each side rail of a wall-mounted ladder. Each post slides within a tubular sleeve fixed to the side...
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5927433 |
Boat step with improved support and retraction mechanism
A retractable step assembly has a U-shaped step, a rotatable joint including a bracket, a first member to fix the bracket to the rear of a boat or personal watercraft, to a fixed step, a pivotable...
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5878836 |
Structure of an escaping device
An escaping device includes a main frame including a pair of vertical rods adapted to be fixedly mounted on an inner side of a wall, a pair of supporting rods horizontally mounted on the main frame...
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5813494 |
Access ladder assembly for an off-highway machine
An access ladder assembly for an agricultural machine having a body with an elevated operator's station. The ladder assembly includes a ladder that is mounted to the frame of the machine by a pivot...
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5617930 |
Ladder assembly for a tailgate of a truck
An elongated arrangement is secured to an inner surface of a tailgate of a truck in a parallel relation with the rear of the truck, the elongated arrangement having a pair of first members dispose...
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5438925 |
Ladder for climbing up to and down from working floor of printing press
A ladder for contraction and storage on an upper working floor of a printing press having a plurality of vertically arranged working floors for access to said printing press at said working floors,...
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5427049 |
Self-retracting step assembly for personal watercraft
A retractable step or ladder is mounted to the rear of the personal watercraft. The retractable step has a pair of hollow channel members fixedly mounted underneath the riding platform. An...
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5366052 |
Reversible folding ladder
This invention relates to a reversible folding ladder which is composed of a ladder, two steel channels, a front frame and a rear frame. More particularly the ladder is composed of a front...
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5335752 |
Automatic return ladder for use on land conveyors
This invention relates to a ladder which automatically returns to an original position after impact with grade or objects. Preferably the ladder is attached to a land conveyance. A spring assembly...
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5333323 |
Swimming pool with ladder
A swimming pool structure comprises a swimming pool sidewall defining a pool area, an elevated deck attached to the sidewall along an upper rim thereof, and a pair of ladder side rails extending...
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5287945 |
Ladder for boarding inflatable boats
An inflatable boat boarding ladder, adaptable to any size inflatable boat, for assisting divers to exit the water and to board the boat. The ladder, supported at an outside angle to the vertical,...
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5163531 |
Pivotal ladder
A ladder assembly is adapted to be mounted on a suitable support, such as a truck or trailer. The ladder assembly includes a ladder mounted on the distal end of a shaft. The shaft is slidably...
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5141075 |
Portable pool safety ladder
A portable swimming pool ladder 20 is provided which pivots out of reach of children on a tethering strap 32 secured within the pool 10.
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5125476 |
Ladder apparatus and hinge system therefor
A ladder apparatus comprising a longitudinally elongated step support for mounting between an upper level and a lower level at a forward angle of inclination. The elongated support has an upper end...
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5117940 |
Swingable boat ladder
One end of a leg of a boat ladder is swivably and pivotably affixed to the side of a boat and the corresponding end of the other leg of the ladder is releasably latched or hooked to one of a pair...
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5112159 |
Stairway guard for offshore marine structure
A Marine Structure for use in a body of water, having a deck positioned above the water's surface, and a vessel landing stage position at the water surface. A stairway having its upper and hinged...
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5064023 |
Flexible ladder for use on moving conveyances
A flexible ladder for use on moving conveyances which provides frontal stability but lateral flexibility, the ladder having a first, a second and a third strut member each formed of flexible...
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5046582 |
Foldable ladder combination with truck cargo carrier
Disclosed is a compact folding ladder having a lower runged ladder portion, the upper end of which is pivotally connected on a horizontal axis to the lower end of a upper open dual hand-rail ladder...
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5044465 |
Retractable walk-in swimming pool ladder
A retractable walk-in swimming pool ladder includes a platform having side frames secured thereto. A plurality of steps extended between and are secured to the side frames. A first pair of rollers...
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5028063 |
Folding step system
A folding step system includes a base assembly with approximate and distal ends, a link assembly with base and step ends, and a step assembly with approximate and distal ends. A base hinge assembly...
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