Francis Tiller

US Patent:

41380789, Feb 6, 1979

Filed:

May 31, 1977

Appl. No.:

5/801859

Inventors:

Michael L. Hester - Bedford TX
Francis E. Tiller - Arlington TX

Assignee:

Textron Inc. - Providence RI

International Classification:

B64D 900

US Classification:

244137R

Abstract:

An apparatus for attaching a load bearing line to a helicopter is disclosed that utilizes a curvilinear track mounted on the underside of the helicopter with a carriage having a cargo hook freely movable thereon. The curvilinear track has a radius of curvature that extends from the center of gravity of the helicopter to maintain forces imposed on the helicopter from a swinging load directed through a point near the center of gravity of the helicopter.