Aeronautics and astronautics – Aircraft structure – Passenger or cargo loading or discharging
Patent
1995-03-20
1999-02-09
Mojica, Virna Lissi
Aeronautics and astronautics
Aircraft structure
Passenger or cargo loading or discharging
2441372, 294118, 294907, B64D 108, B64D 900, B25B 124, B66C 100
Patent
active
058683577
ABSTRACT:
appearance, with a larger lower portion for grabbing loads of various sizes. It has two embracing halves, pivoted at a selected distance from to hold a containerized load in place, as in previous Gabriel's U.S. Pat. No. 5,209,538.! It is designed to safely and reliably hold a person battlefield or in the ocean!. Sensors are added to enable it to sense the distance of the apparatus' lower portions from the load. When in range of the load, its lower portions automatically separate to straddle the load inward from the bottom of each lower portion, touch a platform surface or terrain, then a motorized gearing may cause the lower portions to come together. In so doing, the fingers slide underneath the person or a light contact. Then the load is safely inside the two lower portions and ready produce signals, indicating that the fingers have made contact with the surface below. Another technique for causing upper and lower portions to separate from each other is to use electromagnets at apparatus' upper portions, polarized to repel, when needed. Bipolar magnets at hammerheads also can cause their repulsion or attraction, to either separate or engage apparatus' lower portions.
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