Patent ID: 8690058

Claim:
A card reader having a magnetic head which abuts on a card to read magnetic information recorded on said card and/or write magnetic information on said card and mounted in a host device for use, comprising: an anterior frame in which an insertion slot for said card is formed; a main body frame fixed to said anterior frame; a control board to which said magnetic head is electrically connected; and a sealing member which is formed to be annular and is arranged between said anterior frame and said main body frame; wherein an insertion direction of said card is a first direction; wherein said main body frame is provided with: a head arrangement in which said magnetic head is arranged; a card cage which houses a first direction side of said card when the card is inserted into the insertion slot; and a seal arrangement which is formed between said head arrangement and said card cage, and in which said sealing member is positioned such that an inner circumference of said sealing member makes contact with the seal arrangement; wherein said anterior frame is provided with: a front face portion that forms an anterior of said card reader; and a substantially cylindrical cylinder portion which connects to said front face portion, and extends from said front face portion toward said first direction; wherein said head arrangement is positioned on the inner circumferential side of said cylinder portion; wherein said insertion slot is formed in said front face portion such that said card inserted from said insertion slot passes on the inner circumferential side of said cylinder portion; wherein a first direction end side portion of said cylinder portion is formed as a seal crushing portion that crushes said sealing member in a radial direction from an outer circumferential side of said sealing member; wherein said control board is arranged outside said card cage so as to be closer to said first direction side than said seal arrangement; and wherein an inner circumferential face of said seal crushing portion is formed in a tapered shape fanning out in a radial direction of said seal crushing portion as toward said first direction.