Patent ID: 7635122

Claim:
A card processing unit for use with at least one or more cards comprising: a card processing part for performing predetermined processing to the at least one or more cards; a card stack part in which the at least one or more cards are stacked and stored; and a card feeding part for carrying the at least one or more cards between the card processing part and the card stack part; wherein the card stack part is structured such that the card stack part is capable of being separated from the card feeding part as a module; wherein the card stack part includes a card ejection mechanism for ejecting a card to the card feeding part; the card stack part comprises a cassette which is structured for storing a number of cards and a cassette holder into which the cassette is accommodated; the card ejection mechanism comprises a feeding mechanism for ejecting a card which is stored in the cassette to the card feeding part, a placing part on which the cassette is placed, and a detecting mechanism for detecting a position of the card feeding part; the feeding mechanism, the placing part and the detecting mechanism is provided in the cassette holder; and the cassette holder is provided with a drive motor for driving the feeding mechanism which is mounted on the under side of the placing part of the cassette holder.