Development roller for copier - has patterned outer surface and axle mountings together with outer surface rebate for roller extension

摘要

A toner-carrying roller is for use as a development roller in an electrostatic copier or duplicator. The roller has an end flange and axle or axle mounting. The outer sleeve of the roller has an inset peripheral recess at the other end so that an end flange or roller extension may be inserted. The outer surface of the roller can be either regularly or irregularly patterned.