| http://www.w3.org/ns/prov#value | - A paper stacker for use at the output from a sheet printer or copier to collect the sheets, the stacker comprising;a base; a hopper supported by the base and having a movable floor which receives the sheets of paper travelling horizontally to build a stack on the floor of the hopper; and an elevator mechanism attached to the base and including four supports of close coiled springs having outer end
|
