Vehicle air lift rig

Details Vehicle air lift rig Vehicle air lift rig

1991-08-05

1992-09-01

Marmor, Charles A.

Aeronautics and astronautics

Aircraft structure

Passenger or cargo loading or discharging

2441181, 294 811, 294904, B64D 300, B66C 1304

Patent

active

051433265

ABSTRACT:
The invention is a rig useful in preventing relative movement between two hicles or other payloads suspended from a helicopter. The rig has two triangular plates which are in connection between the vehicles, the connection being loose before cables from the helicopter to the triangular plates are tensioned. When the helicopter rises, tension on the cables raises the triangular plates, thereby pivoting clevises which are engaged with the triangular plates and which are mounted on on the vehicles. The pivoting of the clevises draws the vehicles into tight abutment with abutment plates at the ends of the triangular plates so that the vehicles act as a single, more stable load. A cross member is connected both between the triangular plates and between the vehicles to inhibit relative lateral movement of the vehicles.

REFERENCES:
patent: 2987340 (1961-06-01), Mattera
patent: 3747970 (1973-07-01), Fathauer et al.
patent: 4378919 (1983-04-01), Smith
patent: 4553719 (1985-11-01), Ott
patent: 4913480 (1990-04-01), Yohe

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