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US 2022/0065043 A1Published application
Smart Ladder
AssigneeUSS Veteran Services Company LLC
InventorsClifford L. Johns, Steven W. Brewer, David Dingman
Life of this patent
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Abstract
A ladder including sensors, a controller, and output signals to alert the user to operating conditions and to aid the user in the safe operation of the ladder.
Claims20
A ladder, comprising:
- left and right uprights interconnected by a plurality of rungs, including a bottommost rung,
- a bottom rung sensor which senses when a user is standing on the bottommost rung of the ladder;
- a controller, mounted on said ladder, which is in communication with said bottom rung sensor;
- wherein the controller activates an output signal mounted on the ladder to indicate whether a user is on the bottommost rung.
1 more element
A ladder, comprising:
- left and right uprights interconnected by a plurality of rungs, wherein said left and right uprights are canted so they diverge from each other on a front side and converge toward each other on a rear side, wherein said rungs are offset toward said rear side of said left and right uprights.
Dependencies are inferred from the claim text.