Aircraft ramp assembly

Details Aircraft ramp assembly Aircraft ramp assembly

1977-04-27

1978-05-09

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft structure

Passenger or cargo loading or discharging

14 695, 160188, 2441295, B64C 122

Patent

active

040882888

ABSTRACT:
An aircraft ramp assembly for loading and unloading of cargo includes a ramp door with a toe ramp hinged thereto. The toe ramp includes a forward toe leaf and an aft toe leaf, the forward toe leaf being coupled by a hinge along one edge to the ramp door and coupled by a hinge along the opposite edge to the aft toe leaf. An actuator supported by the ramp door moves the toe ramp from a stowed position into a position wherein at least the forward toe leaf defines an extension to the ramp door. A selectively coupled linkage including a push rod responds to movement by the forward toe leaf to position the aft toe leaf into one of three positions. In the first position, the aft toe leaf is stored in an underlying relation beneath the forward toe leaf. In the second position, the aft toe leaf engages the ramp door to form a truss support for the forward toe leaf. In the third position, the aft toe leaf forms an extension to the forward toe leaf.

REFERENCES:
patent: 2889875 (1959-06-01), Turner et al.
patent: 3128068 (1964-04-01), Pauli
patent: 3374972 (1968-03-01), Webb
patent: 3550801 (1970-12-01), Larson et al.

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