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US 12,326,042 B1Granted
Deployable safety ladder
OwnerKirklynn S. Lockhartinventor
Life of this patent
Estimating the term…
Abstract
A deployable safety ladder is retained within a housing having a removable safety pin which when removed causes the deployable ladder and safety pin to separate via a pair of springs. The device further comprises a pivotable grab bar. Use of the grab bar activates a strobe light and audible alarm. The strobe light and audible alarm are each powered by a rechargeable solar powered battery. A fireproof blanket is removably secured within the housing.
Claims20
A deployable safety escape ladder, comprising:
- an outer enclosure adapted to be installed below an upper floor window;
- a photovoltaic cell disposed on a face of the outer enclosure, the photovoltaic cell supplies electrical power to the deployable safety escape ladder;
- a release latch disposed on a top of the outer enclosure for activation;
- a pair of conduits exiting a side of the outer enclosure which house a mechanical cable;
- a mechanical disconnecting means inserted within in the mechanical cable;
- a backing plate disposed in a wall cavity below the upper floor window to provide structural rigidity to the outer enclosure;
- an audio/video playback device disposed alongside the upper floor window, the audio/video playback device provides a plurality of instructions, a plurality of demonstrations, and a plurality of usage information for the escape ladder;
- a pair of screen cutting edges disposed upon a safety hammer configured to cut through one or more screens in the upper floor window;
- a shaft connecting a pair of glass breaking heads and the pair of screen cutting edges to an ergonomic handle grip;
- a safety grab bar pivoted into an upward vertical position along a grab bar travel path to serve as a holding aid for climbing through the upper floor window, the safety grab bar is secured via a mounting bracket which allows for a 90° swing path of the grab bar travel path;
- a spring locking pin disposed within the mounting bracket locks the safety grab bar in an upright position during usage, the spring locking pin is pressed to allow the safety grab bar to be lowered to a stowed position after usage;
- a deployment cable attached to the safety grab bar and is routed through an eye-ring where it terminates at an attachment point on an interior of the front surface, the deployment cable provides for an automatic upright positioning of the safety grab bar;
- a plurality of rungs each having a hollow tubular member;
- a threaded rod passing through each of the rungs;
- a plurality of opposing aligned links of a plurality of chain rails secured with a pair of fasteners fastening each of the rungs to the chain rails;
- and
- a bottom surface having a non-slip coating serving as a first step.
14 more elements
Dependencies are inferred from the claim text.