from The Century Dictionary.
- noun A machine for putting articles into packages or bundles; specifically, in baking, a machine for sorting and arranging crackers for packing in cartons or barrels. It consists essentially of a hopper in which the freshly baked crackers are placed, and suitable delivery-mechanism for selecting the crackers and setting them on edge upon conveyers which deliver them to the packers.
Sorry, no etymologies found.
Then they are turned over to a chain divided into sections which carries them to a packing-machine.
Makers of Many Things Eva March Tappan 1892