Lifting dolly for helicopters

Details Lifting dolly for helicopters Lifting dolly for helicopters

1982-12-03

1984-12-18

Mitchell, David M.

Motor vehicles

Vehicle trains

180 147, 180904, 244 50, 254 2R, 280 4311, B64F 122

Patent

active

044886128

ABSTRACT:
A lifting dolly is provided for quickly and easily lifting a helicopter or the like while on the ground and for transporting the helicopter for maintenance or storage purposes. The lifting dolly comprises a relatively low profile central frame supported for rolling movement by a pair of wheel assemblies and including laterally outwardly pivoting lifting arms for engaging the skid tubes of a helicopter. In use, the dolly is positioned beneath the helicopter and the frame is lowered to rest upon the ground whereupon the lifting arms are pivoted outwardly to press wedge-shaped lifting fingers beneath the skid tubes. Rollers on the underside of the frame permit lateral frame shifting as the fingers engage the skid tubes such that the dolly centers itself between the skid tubes. When the skid tubes are engaged, the frame is elevated by the wheel assemblies to lift the helicopter for convenient rolling movement.

REFERENCES:
patent: 2326684 (1943-08-01), Ross
patent: 2479100 (1949-08-01), Connor
patent: 4033422 (1977-07-01), Benning
patent: 4223856 (1980-09-01), DiVincenzo

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