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As a result of the routing of the thin cable through the shelving surfaces
and the supporting poles the top of the unit is
under constant tension being pulled in both direction simultaneously.
As more weight is placed on the shelving unit the stronger and more
stable it becomes. All of the force in routed down through the poles
and into the base area. Because the poles are being pulled in two opposite
directions there is no danger of flex or bending.
The lower pole mount is simply two hole drilled through the base at
35 degrees (each pole is set at 35 deg.). All of the weight is directed
directly down the poles so no external support is needed.
Upper Pole and Cable...
The cable that is holding up the shelves supports the
top of the pole. As the shelves are placed on the cable, the weight
pulls the wire down into a “V” cut on the out side of the pole. This
locks both the pole and the cable into position. The more weight that
is placed on the shelving unit the tighter the grip of the cable.
Outside Cable Mount...
The cable that is held by the poles supports the outside of each shelf.
Each cable passes through a hole drilled in the shelf then held in place
with a set screw. Under the shelf is a metal cylinder that the cable
passes through and the set
screw is threaded into. This cylinder supports the shelf. In the cut
away the outer shelf support can be seen.
Shelf to Pole Mount...
The shelves are held in place by a roll pin inserted into the back of
the shelves. A hole lined with a grommet allows the shelves to fit tightly
into the pole. This prevents the shelves from swaying
and also supports the rear of the shelf. The top half of the shelf must
be relived at a 35-degree angle in order to assure a good fit.