Patent ID: 6312139
Filing Date: 2001-11-06
Classification: A01G,Y02A

Abstract:
Overhead lighting apparatus located in a room in a building structure for stimulating plant growth with means for vertical adjustment according to plant height comprising:a) a light assembly having:1) an elongated bar substantially horizontally aligned; and2) a plurality of growth lights mounted on said elongated bar;b) an upper support structure not integral to said building structure and having means for supporting said light assembly in a position above said plants and for vertically adjusting the position of said light assembly;c) said upper support structure further comprising:1) a support beam supported in an elevated position above the floor of said room by vertically oriented side members;2) a winding shaft;3) means to rotatably attach and support said winding shaft to said support beam; and4) a plurality of cables with means to attach one end of each of said plurality of cables to said winding shaft and the other end to said elongated bar; andd) means for securing said upper support structure in a position above said light assembly; ande) said means for adjusting the position of said bar further comprising a motor operatively connected to said winding shaft, and fixedly attached to said support beam.