Mechanism for the automatic extension of an appendage of a space

Details Mechanism for the automatic extension of an appendage of a space Mechanism for the automatic extension of an appendage of a space

1986-11-05

1987-11-03

Barefoot, Galen

Aeronautics and astronautics

Spacecraft

With payload accommodation

160193, 74 64, B64G 144

Patent

active

047039078

ABSTRACT:
The extension mechanism acts on each of the panels of the appendage, in such a way that the distance separating the center of gravity of said appendage from the rotation axis O of the space vehicle permanently increases from the initial position in which the panels are folded back to the final position where these panels are completely extended. Use is made of cables which are wound onto pulleys, in such a way that there winding radius about the articulation axis of the intermediate panels permanently increases and there winding radius about the articulation axis of the external panel permanently decreases from said initial position to said final position, in accordance with an analytically determined geometrical law.

REFERENCES:
patent: 2548042 (1951-04-01), Mosher
patent: 3224491 (1965-12-01), Hamilton
patent: 3363474 (1968-01-01), Ritter
patent: 3525483 (1970-08-01), Van Alstyne
patent: 3557738 (1971-01-01), Hanssen
patent: 3863870 (1975-02-01), Andrews et al.
Aircraft Engineering, vol. 56, No. 1, Jan. 1984 pp. 2-5, Londres, GB; H. Kellermeier et al.

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