US Patent 9721414 Document cassette displacement actuator for document acceptor

A document acceptor for authenticating and storing documents includes a document validator, a document cassette and a displacement actuator. The document validator is for authenticating received documents. The document cassette is for storing the documents received by the document validator. The displacement actuator is adapted to change a position of the document cassette from a first position to a second position to mate the document cassette with the document validator. Related apparatus, systems, techniques, and articles are also described.