Patent ID: 8654407

Claim:
An image processing apparatus, comprising: a lower unit including a first body and a first lid configured to open and close relative to the lower unit, the first body including a first engagement member; an upper unit including a second body and a second lid configured to open and close relative to the upper unit, the upper unit being disposed over the lower unit, the second lid including a second engagement member; and a limiting mechanism which holds the second lid closed when the first lid is opened and which holds the first lid closed when the second lid is opened, the limiting mechanism including a first limiting member and a second limiting member, the first and second limiting members being rotatable about a common rotational axis, wherein the first limiting member includes a first engagement element that moves into and out of engagement with the first engagement member and a first operation portion that moves into and out of engagement with the second engagement member, wherein the second limiting member includes a second engagement element that moves into and out of engagement with the second engagement member and a second operation portion that moves into and out of engagement with the first engagement member, wherein when the first and second lids are closed, the first operation portion moves into engagement with the second engagement member, the second operation portion moves into engagement with the first engagement member, the first engagement element disengages from the first engagement member, and the second engagement element disengages from the second engagement member, wherein when the second lid is closed and the first lid is opened, the first operation portion engages the second engagement member, the second operation portion disengages from the first engagement member, the first engagement element disengages from the first engagement member, and the second engagement element engages the second engagement member, and wherein when the first lid is closed and the second lid is opened, the first operation portion disengages from the second engagement member, the second operation portion engages the first engagement member, the first engagement element engages the first engagement member, and the second engagement element disengages from the second engagement member.