Control stick adapted for use in a fly-by-wire flight...

Details Control stick adapted for use in a fly-by-wire flight... Control stick adapted for use in a fly-by-wire flight...

2007-08-08

2011-12-13

Collins, Timothy D (Department: 3644)

Aeronautics and astronautics

Aircraft control

Pilot operated

C244S221000, C244S234000

Reexamination Certificate

active

08074940

ABSTRACT:
This invention provides an improvement in a control stick (e.g., joystick, side-stick, etc.) (20) adapted to control the movement of an object (e.g., an airfoil surface). The improvement includes: a support (21); an intermediately-pivoted upper member (23) mounted on the support, the upper member having an upper portion (24), and lower portion (25); an intermediate member (26) having an upper portion pivotally connected to the upper member lower portion, and having a lower portion; and a lower member (29) having a lower portion pivotally mounted on the support, and having an upper portion; and wherein the intermediate member lower portion is movably mounted on the lower member upper portion such that pivotal movement of the upper member upper portion relative to the support will produce pivotal movement of the intermediate and lower members relative to the support; and a resilient member (31) arranged to bias the direction of relative movement between the intermediate and lower members. The various pivotal connections may be provided by gimbals such that the various members arc mounted for compound pivotal movement about two mutually-perpendicular axes.

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patent: 2003/0125119 (2003-07-01), Jones
patent: 2005/0093821 (2005-05-01), Massie et al.
patent: 2007/0018958 (2007-01-01), Tavakoli et al.

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