F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 21/14 (2006.01)
Patent
CA 2355960
An adjustable height grow light for easy manual adjustment of the vertical position of the light fixture. The light includes a light stand having two vertical supports and a horizontal support connected to the vertical supports and defining an interior channel containing the operative elements of the light. Hanging from the vertical support is a light fixture adapted for holding at least one grow light. A ribbon torsion spring is secured within the interior channel of the horizontal support member on a ribbon spring axle. In series are first and second axles secured with the interior channel of the horizontal support, and first line and second lines are connected to the ribbon torsion spring at one end and to the light fixture at the other end. The first line is routed over the second axle and looped back to and over the first axle; the second line is routed over the second axle only. The ribbon torsion spring has a tension rating that permits easy manual positioning of the light fixture.
Hydrofarm
Smart & Biggar
LandOfFree
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