Paper security system for a computer printer, has linkage mechanism that is locked and prevents paper removal

摘要

The printer used with a personal computer has paper contained in a tray that is fitted with a mechanism that prevents paper removal. This consists of a pair of links (A, B) that are coupled by a hinge pin (E). When the links are moved to the secure position they are fixed by a lock bolt (F). The links can be of plastic or metal.