Patent ID: 7784781

Claim:
A sheet cassette used for a printer, comprising: a tray that accommodates a sheet stack therein, the tray having an open upper portion; a cover that covers at least a part of the open upper portion, the cover having an opening formed therethrough, an upper surface formed with the opening, and an inner surface facing the tray, wherein the opening extends between the upper surface and the inner surface; and a sheet indicator comprising: a rod member having a long hole formed therethrough, and extending in a longitudinal direction of the rod member, the rod member having a lower end to form a contact portion configured to contact with an uppermost sheet of the sheet stack, and an upper end to form a pointer exposed through the opening, wherein the sheet indicator is configured to pivot, in accordance with a thickness of the sheet stack, while the contact portion is in contact with the uppermost sheet, and wherein the sheet indicator is configured to pivot as the pointer moves along the opening to indicate the thickness of the sheet stack; and a shaft provided on and fixed to the inner surface, the shaft passing through the long hole to support the rod member movably in the longitudinal direction and pivotally around the shaft.