The position of a sheet accommodated in a sheet storage portion is restricted by a restricting member provided movably on a sheet storage portion. This restricting member has a holding portion which is movable freely and is attached detachably to the sheet storage portion so as to hold the restricting...http://www.google.fr/patents/US7540489?utm_source=gb-gplus-shareBrevet US7540489 - Sheet feeding device and image forming apparatus
