Envelope leveler for printer feeder

A printer having an envelope leveler for use with a printer feeder employing a pick roller, the printer feeder being attached to the printer, the printer comprising:

• a printer feeder having a surface for supporting the stack of envelopes;
• means for feeding the top envelope into the printer;
• and
• an envelope leveler comprising:
• a platform upon which an envelope stack is disposed;
• a base comprising the surface of the printer feeder, the base having a slot;
• and
• a pivot means for rotating the platform and the envelope stack thereupon around the base under the pressure of the pick roller such that a top envelope of the envelope stack is oriented for proper feeding into the printer, the pivot means comprising:
• a cam having an outer periphery upon which the platform is supported, the cam being rotatably disposed in the slot in the base and having a first position wherein the platform is parallel with the base and at least one second position wherein the top envelope of the envelope stack is oriented for proper feeding into the printer;
• rotation means for rotating the cam between the first position and the at least one second position;
• and
• locking means for locking the cam in one of the at least one second positions.