JPH0478817U

JPH0478817U -

Info

Publication number: JPH0478817U
Application number: JP12213490U
Authority: JP
Priority date: 1990-11-21
Filing date: 1990-11-21
Publication date: 1992-07-09

Description

[Brief explanation of drawings]

第１図は、本考案の一実施例による展開式パラ
ボラアンテナの展開状態を示す図、第２図、第３
図は、本考案の一実施例による展開式パラボラア
ンテナの、伸展アームと伸展マストが伸展を完了
した状態を示す図、第４図は、本考案の一実施例
による展開式パラボラアンテナの収納時の状態で
の伸展アームと伸展式マストの詳細図、第５図は
、伸展アームと伸展式マストの伸展途中の状態を
示す詳細図、第６図は、この考案の一実施例によ
る展開式パラボラアンテナのアーム全体とフープ
の展開途中の状態を示す図、第７図は、この考案
の一実施例による展開式パラボラアンテナの第６
図よりさらに進んだ展開途中の状態を示す図、第
８図は、この考案の一実施例による展開式パラボ
ラアンテナの伸展式マストの断面図、第９図ａ，
ｂは、従来の展開式パラボラアンテナの展開状態
を示す図、第１０図は、従来の展開式パラボラア
ンテナの展開途中を示す図、第１１図は、従来の
展開式パラボラアンテナのアームの展開状態を示
す図。図中で、１は下部アーム、２は伸展アーム、３
は展開式フープ、４は鏡面メツシユ、５は給電部
もしくは、副反射鏡、６は展開式マスト、７はセ
ンタハブ、８はバネ付記回転ヒンジ、９は展開用
ワイヤ、１０はスペースリジダイズ式エアバツグ
、１１は鏡面維持機構をしめす。なお、図中、同
一符号は同一または、相当部分を示す。 FIG. 1 is a diagram showing the deployed state of a deployable parabolic antenna according to an embodiment of the present invention, FIGS.
The figure shows a state in which the extendable arm and the extendable mast have completed extension of the deployable parabolic antenna according to an embodiment of the present invention, and Figure 4 shows the deployable parabolic antenna according to an embodiment of the present invention when it is stored. 5 is a detailed view showing the extendable arm and extendable mast in the middle of extension, and FIG. 6 is a detailed view of the extendable parabola according to an embodiment of this invention. FIG. 7 is a diagram showing the entire arm of the antenna and the hoop in the middle of deployment, and is a diagram showing the sixth embodiment of the deployable parabolic antenna according to one embodiment of this invention.
FIG. 8 is a cross-sectional view of the extendable mast of the deployable parabolic antenna according to an embodiment of the present invention, and FIG.
b is a diagram showing a conventional deployable parabolic antenna in an expanded state; FIG. 10 is a diagram showing a conventional deployable parabolic antenna in the middle of deployment; FIG. 11 is a diagram showing an arm of a conventional deployable parabolic antenna in an expanded state Diagram showing. In the figure, 1 is the lower arm, 2 is the extension arm, and 3 is the lower arm.
is a deployable hoop, 4 is a mirror mesh, 5 is a power supply unit or sub-reflector, 6 is a deployable mast, 7 is a center hub, 8 is a rotating hinge with a spring attached, 9 is a deployment wire, 10 is a space rigidized air bag , 11 indicates a mirror surface maintenance mechanism. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

a plurality of extendable arms each having an unfolding mechanism at its lower end; a deployable hoop supported by the extendable arms after deployment; a mirrored mesh supported by the extendable arms and the deployable hoop; and a mirror mesh that extends to the extendable arms. A deployable parabolic antenna characterized by comprising an extendable mast that provides a force, and a space rigidized air bag that provides an extension force to the extendable mast.