Patent ID: 9706843
Date: 2017-07-18
CPC Classifications: A47B,F16M

Claim:
1. A display support device comprising: a support arm including an arm main body, and first and second joint members respectively pivotally connected to two opposite ends of said arm main body, said first joint member having a first pivot portion pivotally connected to one of the opposite ends of said arm main body, and a first sleeve portion connected to said first pivot portion, said second joint member having a second pivot portion pivotally connected to the other one of the opposite ends of said arm main body, and a second sleeve portion connected to said second pivot portion; a carrier unit including a first rotary tube rotatably connected to said first sleeve portion, and a display mounting seat connected to said first rotary tube at a position opposite to said first joint member; a positioning unit including a second rotary tube rotatably connected to said second sleeve portion, and a fixing seat connected to said second rotary tube at a position opposite to said second joint member; and a tightening unit including at least one tightening tube sleeved on an outer peripheral surface of one of said first and second rotary tubes, and an adjustable member adjustably connected to one of said first and second sleeve portions, said tightening tube having an inner surrounding surface contacting with said outer peripheral surface of said one of said first and second rotary tubes, an outer surrounding surface opposite to said inner surrounding surface, and a slit formed through said inner and outer surrounding surfaces and extending along a length of said tightening tube, said adjustable member being operable to move and extend through said one of said first and second sleeve portions so as to push said outer surrounding surface of said tightening tube and adjust a width of said slit, thereby tightening said tightening tube on said outer peripheral surface of said one of said first and second rotary tubes, wherein said carrier unit further includes a wire collection box connected between said first rotary tube and said display mounting seat, said wire collection box having a box body that includes a pivot end portion and a movable end portion opposite to each other along a length of said box body, a protruding flange protruding outwardly from said movable end portion in a direction transverse to the length of said box body, and a blocking member connected to said protruding flange, said pivot end portion being connected to said first rotary tube, said display mounting seat being connected to said first rotary tube through said box body, said display mounting seat being coaxially and rotatably sleeved on said protruding flange.