Cartridge including a cover having releasable engagement

A cartridge comprising:

• a rotating body including a rotating shaft extending in a first direction and configured to carry developer;
• a housing configured to support the rotating body;
• and
• a cover that is configured to be removably mounted on the housing and protect the rotating body;
• and
• a layer-thickness regulating blade including a blade member and a supporting member supporting the blade member, the supporting member including first and second mounting portions protruding from opposite ends of the supporting member in a direction away from the rotating body,
• wherein the cover includes:
• a grasping portion that is provided substantially at a center of the cover in the first direction;
• and
• a first engaging claw that is disposed on a first outer side of the cover with respect to the grasping portion in the first direction, and is configured to engage the cover with the housing, the first engaging claw including a first leg portion extending from the cover in a second direction perpendicular to the first direction, and a first claw portion extending from a leading end of the first leg portion in a direction from the center to the first outer side in the first direction;
• and
• a second engaging claw that is disposed on a second outer side of the cover with respect to the grasping portion in the first direction, the second outer side being opposed to the first outer side with respect to the grasping portion, and is configured to engage the cover with the housing, the second engaging claw including a second leg portion extending from the cover in the second direction, and a second claw portion extending from a leading end of the second leg portion in a direction from the center to the second outer side in the first direction,
• wherein the first mounting portion includes a first engaged portion configured to be engaged with the first engaging claw,
• wherein the second mounting portion includes a second engaged portion configured to be engaged with the second engaging claw, and
• wherein when the grasping portion is operated to remove the cover from the housing, the first engaging claw and the second engaging claw move toward the center of the cover in the first direction and engagement of the first engaging claw and the first engaged portion and engagement of the second engaging claw and the second engaged portion are released.