US 12,276,112 B2
Stairs and platform system for mobile elevated shelter
David M. Hollenback, Spokane Valley, WA (US); and Nicholas W. Adams, Spokane, WA (US)
Assigned to BERG COMPANIES, INC., Spokane, WA (US)
Filed by BERG COMPANIES, INC., Spokane, WA (US)
Filed on Oct. 6, 2022, as Appl. No. 17/961,539.
Claims priority of provisional application 63/252,863, filed on Oct. 6, 2021.
Prior Publication US 2023/0103897 A1, Apr. 6, 2023
Int. Cl. E04F 11/06 (2006.01); E04F 11/18 (2006.01)
CPC E04F 11/062 (2013.01) [E04F 11/1865 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A shelter comprising:
a body including a wall;
a platform connected adjacent to said wall, said platform including: (i) first and second spaced-apart side rails and a platform floor located between the first and second side rails; (ii) first and second platform handrail assemblies respectively located on opposite first and second lateral sides of the platform, each of said first and second platform handrail assemblies including first and second handrail balusters and a platform handrail that extends between the first and second handrail balusters;
a stair assembly connected to the platform to provide access to the platform, said stair assembly movable relative to said platform from a first operative position in which said stair assembly projects outwardly away from the platform to a second stowed position in which said stair assembly is retracted relative to the platform and at least part of the stair assembly is supported adjacent the platform;
said first and second platform handrail assemblies each selectively configurable to be in: (i) an operative position in which said first and second handrail balusters of the first and second platform handrail assemblies project respectively upwardly from said opposite first and second lateral sides of the platform; and (ii) a storage position in which said first and second handrail balusters of the first and second platform handrail assemblies engage both the platform and the stair assembly to capture and retain the stair assembly in its stowed position.