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US 5,687,813 AGranted
Vehicle boarding device
AssigneeThe United States of America as represented by the Secretary of the Army
InventorChristopher J. Bensch
Life of this patent
Estimating the term…
Abstract
The invention shows a detachable ladder for use with a military and similar ehicles. The ladder has an adjustable mounting apparatus allowing the ladder to be attached to a wide variety of vehicle tailgates. The ladder also has hand holds to be used by personnel entering the vehicle when encumbered with combat gear.
Claims1
A removable adjustable gangway ladder structure suitable for attachment to a variety of different vehicles to facilitate ingress and egress of persons including:
- a first section having a pair of parallel side rails, a plurality of connecting spoke members attached thereto the spoke members being firmly attached to the side rails and serving to hold the side rails in a spaced parallel configuration, a pair of C-shaped bracket members, one C-shaped bracket member being disposed on each side rail, the C-shaped bracket members being located on one end of the side rails, a second pair of adjustable brackets, the adjustable brackets being mounted on the side rails, each adjustable brackets being moveable longitudinally along its associated side rail and being disposed so as to cooperate with the C-shaped bracket member to form a way to retain a portion of the vehicle, the adjustable bracket being mounted to the side rail in a manner which allows the variation of the distance between the brackets to facilitate gripping the vehicle portion to which the structure is attached, the brackets serving to maintain the gangway ladder extending transversely across the tail gate, and a pair of extensions, one extension being rotatably fastened to the outer side near the end of each side rail so as to enclose the side rails between the extensions, each extension having a handle member attached to the end of the extension opposite the end fastened to the side rails, the handle extending inwards towards the vehicle when the extensions are in a deployed position, and a brace attached to and extending transversely between the extensions juxtaposed the rotatable fastening means the brace being juxtaposed a portion of the vehicle in the deployed position and extending transversely to the extensions and side rails when in the undeployed position.
Dependencies are inferred from the claim text.