| 摘要 |
Improvements to the construction of support brackets of the heads of monitors for triggering twin movements of its remotely connected satellites of the type in which they are constituted by a support bracket mounted in an articulated manner on the end of the coaxial extension of the vertical triggering arm, such heads being provided with TV apparatus and electric motors controlled by digital electronics and connected together by remote control, in which their support bracket is mounted on a horizontal shaft, in which the lugs on the bracket have linked to them the horizontal shaft joined to the telescopic end of the support tree, and in which, on the inner annular surfaces of each one of the aforesaid lugs, there is a rolling bearing and also means for regulating the ascent and descent of the support. <IMAGE>
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