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US20090057505 |
FOLDABLE STAND TUBE
A foldable stand tube comprises an upper tube having an upper connecting portion and an upper pivot portion at one end thereof; the upper pivot portion enclosing an outer periphery of the upper... |
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US20110121144 |
SOLAR TRACKER
The invention relates to a solar tracker including a structure formed by means of a plurality of rigid frames formed by pairs of pillars (1 and 2) connected with ties (4) and collaterally with... |
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US20110121143 |
TRACKING SYSTEM
Tracking device (1) for a solar element, having a carrier (8) rotatable around an axis, which is rotatable via a drive element (10), and a coupling element (11) fixable on an anchor (2), which has... |