초록 ▼

Provided is a folding ladder assembly for over-the-road trucks. The folding ladder assembly includes a fixed ladder rail secured to a vertical wall portion of the cab of the over-the-road truck, and a moveable ladder rail interconnected with the fixed ladder rail and positionable between a collapsed

Provided is a folding ladder assembly for over-the-road trucks. The folding ladder assembly includes a fixed ladder rail secured to a vertical wall portion of the cab of the over-the-road truck, and a moveable ladder rail interconnected with the fixed ladder rail and positionable between a collapsed, storage position and an extended use position. The folding ladder assembly further includes a ladder stabilizing mechanism disposed at the upper and lower portions of the moveable ladder rail assembly for stabilizing the folding ladder assembly when it is positioned in the extended, use position.

대표청구항 ▼

[ We claim:] [1.] A folding ladder assembly for use in a vehicle cab to provide access to an elevated surface comprising:a fixed ladder rail secured to a vertical wall;a moveable ladder rail;a plurality of ladder rungs interdisposed between said fixed ladder rail and said moveable ladder rail, each

[ We claim:] [1.] A folding ladder assembly for use in a vehicle cab to provide access to an elevated surface comprising:a fixed ladder rail secured to a vertical wall;a moveable ladder rail;a plurality of ladder rungs interdisposed between said fixed ladder rail and said moveable ladder rail, each of said plurality of ladder rungs being pivotally interconnected to said fixed ladder rail and said moveable ladder rail to enable relative movement of said moveable ladder rail between a first position wherein the moveable ladder rail is directly adjacent said fixed ladder rail, and a second position wherein said moveable ladder rail is laterally spaced from said fixed ladder rail such that said plurality of ladder rungs provide a plurality of steps; anda ladder stabilizing mechanism including a lower stabilizer having a first member extending from a bottom portion of said movable ladder rail and a second member for receiving said first member for restricting movement of said bottom portion of said moveable ladder rail when the ladder assembly is in said second position, and an upper stabilizer having a tab fixedly secured to a top portion of said movable ladder rail and extending laterally away from said fixed ladder rail, and a bracket secured to a frame member and having a flange spaced apart from said frame member, said tab being captured between said frame member and said flange for restricting movement of said top portion of said moveable ladder rail when the ladder assembly is in said second position.