A sorting system accepts a group of mail pieces at a loading station, sorts them, and then moves them to an unloading station. The system includes a reader for retrieving delivery information associated with each mail piece, and also includes clamps dimensioned for receipt of a mail piece into each clamp....http://www.google.com.au/patents/US20080230449?utm_source=gb-gplus-sharePatent US20080230449 - System and Method for Full Escort Mixed Mail Sorter Using Mail Clamps
