Patent ID: 8550577

Claim:
An appliance cabinet comprising: a chassis defining an open top; a cover removably mounted to the chassis to close the open top; and a labyrinth coupler connecting the cover and the chassis, comprising: a first structural element on the chassis; and a second structural element on the cover; wherein the first and second structural elements are physically configured to define a path requiring a specific sequence of relative movements between the cover and the chassis to couple or uncouple the cover from the chassis, including a first linear movement along a first axis, a second linear movement along a second axis that is non-coaxial with the first axis, and a third movement occurring between the first and second movements along a third axis that intersects the first and second axes, and wherein the path comprises a first vector along the first axis and a second vector along the second axis, and the first and second vectors are directionally opposing and vertically offset.