How to convert a rocker/recliner to a stationary chair.
There are springs attached to the two bottom flat pieces that can be removed and only their heavy-duty plastic or metal cylinders cases left intact to stop the rocking motion. This rocking mechanism is located at the bottom of the chair according to http://www.ehow.com/how-does_5579447_rocking-recliners-work.html.
Large cable ties around the pivoting mechanism. They can be cut in the future if you don't like the result