Patent ID: 8166857
Filing Date: 2012-05-01
Classification: B26D,B26F,G03G,Y10T

Abstract:
1. A perforator comprising: a first and second rotatable members; a first anvil coupled to the first rotatable member, the first anvil having one or more apertures; a first blade coupled to the second rotatable member, the first blade having one or more protrusions to perforate a sheet of media; a second blade having one or more protrusions to perforate the sheet of media, the second blade coupled to the first rotatable member; a second anvil coupled to the second rotatable member; a media feed configured to drive the sheet of media between and relative to both the first rotatable member and the second rotatable member; and a torque source operably coupled to the first rotatable member and the second rotatable member to rotate the first rotatable member and the second rotatable member to move the first blade and the first anvil into and out of engagement with the sheet of media, wherein the media feed and the torque source are configured to cooperate with one another such that the first blade engages the sheet of media against the first anvil at one of a plurality of selectable continuum of locations along the sheet of media.