Currency acceptor, security device and method

摘要

A device and method for preventing fraudulent withdrawal of a bill from a bill acceptor after credit has been given. The device includes a cash box, a punch plate and a security device. The security device includes at least one bill-cutting edge and at least one string-cutting surface. A method uses a security device to cut a bill when a fraudulent withdrawal of the bill is attempted.

主权项

1. A device for accepting bills and for preventing fraudulent withdrawal of a bill inserted by a consumer, comprising:
a cash box defining a first slot for receiving a bill, said cash box further comprising a platen, said platen positioned to receive said bill from said first slot; a punch plate for moving said bill from a first position in said first slot to a second position closer to said platen; a security device located between said first position and said second position, said security device having at least one string-cutting surface and at least one bill-cutting edge, wherein at least a part of said at least one bill-cutting edge is located closer to said second position than is said at least one string-cutting surface, such that on attempted fraudulent withdrawal of said bill, said at least one bill-cutting edge cuts said bill.