Patent ID: 9678464
Date: 2017-06-13
CPC Classifications: B65H,G03G

Claim:
1. A sheet feeder comprising: a sheet container configured to store recording medium therein, the sheet container including a front wall, a rear wall and a bottom surface connected therebetween, the front wall having at least two first projections projecting therefrom towards the rear wall, the at least two first projections including a top projection and a bottom projection forming a first receiving space therebetween; and a housing configured to receive the sheet container, the housing having a second projection projecting therefrom, the second projection having a top portion and a bottom portion forming a second receiving space such that, when the sheet container is inserted in the housing, the bottom portion of the second projection is configured to enter the first receiving space and the top projection of the at least two first projections is configured to enter the second receiving space to form a labyrinth passage between an inside of the housing and an outside of the housing.