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US 2021/0261061 A1Published application
Foldable, modular, removable step
AssigneeLippert Components, Inc.
InventorsNathaniel FULLER, Scott C. MCKINNON
Life of this patent
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Abstract
A stowable stair assembly with step treads connected between stair stringers includes stabilizing legs positioned within a width of the treads and behind the treads. A removable hinge assembly facilitates installation of the stair assembly as well as access to the stair assembly.
Claims19
A stowable stair assembly comprising:
- a first stair stringer;
- a second stair stringer aligned with the first stair stringer;
- a plurality of step treads connected between the first and second stair stringers;
- a first stabilizing leg coupled with the first stair stringer;
- and
- a second stabilizing leg coupled with the second stair stringer,
- wherein each of the first and second stabilizing legs includes a channel part and a telescoping part, and wherein the channel parts of the first and second stabilizing legs are secured on inside facing surfaces of the first and second stair stringers, respectively.
4 more elements
A stowable stair assembly comprising:
- a stair framework including a plurality of step treads;
- a threshold plate connected to the stair framework, the threshold plate including pairs of hinge receptacles at ends thereof;
- a hinge plate securable to a structure, the hinge plate including hinge channels, wherein the hinge receptacles of the threshold plate are positionable into alignment with the hinge channels of the hinge plate;
- and
- a pair of spring-loaded hinge pins including a pin member positionable through the hinge channels and the hinge receptacles and a spring member positioned between the pairs of hinge receptacles.
2 more elements
Dependencies are inferred from the claim text.