8. The document bundler of claim 1 , wherein the clamp mechanism further comprises an extendable arm connected to the pushing member for extending the pushing member across the document path to clamp the first document.
8. The document bundler of claim 1 , wherein the clamp mechanism further comprises an extendable arm connected to the pushing member for extending the pushing member across the document path to clamp the first document. 11. The document bundler of claim 8 , wherein the extendable arm includes an opening located so that documents transported by the transportation unit passes through the opening when the extendable arm is extended across the document path.