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US 2003/0146045 A1Published application
Rescue system
OwnerFrank B. Porter JR.inventor
Life of this patent
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Abstract
A propulsion unit is adapted to propel a selected tip element into a structure along with a cable attached to the tip element. The cable is secured with respect to the structure and apparatus is provided that cooperates with the cable to allow at least one person at a time to move along the cable to safety. In a preferred embodiment, the propulsion unit is similar to an artillery piece.
Claims13
Rescue system comprising:
- a propulsion unit adapted to propel a selected tip element into a structure;
- a cable attached to the tip element and securable with respect to the structure;
- and
- means cooperating with the cable for allowing at least one person at a time to move along the cable to safety.
1 more element
Dependencies are inferred from the claim text.