Transfer device and transfer device assembly.

摘要

A transfer device (1) includes an upper mechanism (10) and a lower mechanism (20) associated with the upper mechanism. The upper mechanism includes a first endless belt (101) that circulates in forward and reverse directions. The lower mechanism includes a second endless belt (202) that circulates in forward and reverse directions independently of the first endless belt. The first and the second endless belts are selectively brought into and out of engagement with each other. <IMAGE>