Patent ID: 7975430
Filing Date: 2011-07-12
Classification: A01G,Y02P

Abstract:
1. An expandable hydroponic growing system comprising: a first lower base, a second lower base, a third lower base and a fourth lower base, wherein each lower base has a first interior side, a second interior side, a first exterior side and a second exterior side; the lower bases are arranged in a rectangle configuration with respect to each other, wherein the first lower base is at a first corner of the rectangle, a second lower base is at a second corner of the rectangle, a third lower base is a third corner of the rectangle and a fourth lower base is at a fourth corner of the rectangle configuration; a first upper base, a second upper base, a third upper base and a fourth upper base, wherein each upper base has a first interior side, a second interior side, a first exterior side and a second exterior side; the upper bases are arranged in a rectangle configuration with respect to each other, wherein the first upper base is at a first corner of the rectangle, a second upper base is at a second corner of the rectangle, a third upper base is a third corner of the rectangle and a fourth upper base is at a fourth corner of the rectangle configuration; a first bar pair comprising a first bar and a second bar, the first bar having a first end and a second end, the first end pivotably connects to the first exterior side of the first bottom base and the second end pivotably connects to the first exterior side of the second upper base; the second bar having a first end and a second end, the first end pivotably connects to the first exterior side of the lower second base and the second end pivotably connects to the first exterior side of the first upper base; a second bar pair comprising a third bar and a fourth bar, the third bar having a first end and a second end, the first end pivotably connects to the first interior side of the second bottom base and the second end pivotably connects to the first interior side of the third upper base; the fourth bar having a first end and a second end, the first end pivotably connects to the first interior side of the lower third base and the second end pivotably connects to the first interior side of the second upper base; a third bar pair comprising a fifth bar and a sixth bar, the fifth bar having a first end and a second end, the first end pivotably connects to the first exterior side of the third bottom base and the second end pivotably connects to the first exterior side of the fourth upper base; the sixth bar having a first end and a second end, the first end pivotably connects to the first exterior side of the lower fourth base and the second end pivotably connects to the first exterior side of the third upper base; a fourth bar pair comprising a seventh bar and a eighth bar, the seventh bar having a first end and a second end, the first end pivotably connects to the second interior side of the fourth bottom base and the second end pivotably connects to the second interior side of the first upper base; the eighth bar having a first end and a second end, the first end pivotably connects to the second interior side of the lower first base and the second end pivotably connects to the second interior side of the fourth upper base; the first lower base is disposed directly below the first upper base, the second lower base is disposed directly below the second upper base, the third lower base is disposed directly below the third upper base, and the fourth lower base is disposed directly below the fourth upper base, in a folded position, the first ends of the bars are pushed closer together, in an expanded position, the first ends of the bars are pushed farther apart; wherein the respective two bars of each bar pair slide pass each other on a same plane; and optionally, the respective two bars of each bar pair are pivotably hinged at their respective mid-regions.