Amusement devices: toys – Tethered fixed-wing aircraft – Tether-manipulated control or mechanism
Patent
1996-05-28
1998-01-20
Hafer, Robert A.
Amusement devices: toys
Tethered fixed-wing aircraft
Tether-manipulated control or mechanism
446 32, A63H 2704
Patent
active
057095809
ABSTRACT:
An electrically powered model aircraft is disclosed in which an on-board electric motor is powered from a ground based electric storage battery. Flight attitude of the aircraft is controlled by torsion control system in which a torsion member is attached at one end to the aircraft and a tubular shaft is disposed about the torsion member, with one end of the tubular shaft being nonrotatably attached to the torsion member at a point spaced from the aircraft and the other end of the tubular shaft being nonrotatably attached to a control device on the aircraft adapted to be operated by rotation of the tubular shaft, to control operation of a control surface of the aircraft. A combination electrical connector and torsion control line extends between, and is releasably mechanically and electrically connected to, the aircraft and to a control handle carried by the airplane operator. Operation of the control handle by the aircraft operator exerts torsional forces on the control line which are transmitted to the torsion member on the aircraft, thereby causing rotation of the tubular shaft and control device, to control operation of the aircraft control surface.
This abstract is not to be construed in any way to define or limit the invention set forth below.
REFERENCES:
patent: 2558109 (1951-06-01), Stanzel
patent: 3018585 (1962-01-01), Stanzel
patent: 3110127 (1963-11-01), Benesch
patent: 3579905 (1971-05-01), Radford
patent: 4011684 (1977-03-01), Stanzel
patent: 5057661 (1991-10-01), Banner
patent: 5104344 (1992-04-01), Jancso, Jr.
Fossum Laura
Hafer Robert A.
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