Patent ID: 8556093

Claim:
An adjustable shelving system for supporting consumer products, comprising: a support frame comprising: a base structure; a first vertical support member coupled to the base structure, the first vertical support member comprising a first vertical rack gear; a second vertical support member coupled to the base structure adjacent the first vertical support member, the second vertical support member comprising a second vertical rack gear; and a third vertical support member coupled to the base structure adjacent the second vertical support member, the third vertical support member comprising a third vertical rack gear, each of the first, second, and third vertical rack gear comprising a base end and a top end; a first adjustable shelf assembly comprising: a first transmission module coupled to the first and second vertical rack gears, the first transmission module adapted to traverse the first and second vertical rack gears; and a first shelf coupled to the first transmission module; a second adjustable shelf assembly comprising: a second transmission module coupled to the first and second vertical rack gears, the second transmission module adapted to traverse the first and second vertical rack gears independently of the first transmission module at substantially infinite intermediate positions between the base ends and the top ends of the first and second vertical rack gears; and a second shelf coupled to the second transmission module; and a third adjustable shelf assembly, the third adjustable shelf assembly comprising: a third transmission module coupled to the second and third vertical rack gears, the third transmission module adapted to traverse the second vertical rack gear independently of the first and the second transmission modules at all intermediate positions between the base end and the top end of the second vertical rack gear; and a third shelf coupled to the third transmission module.