Patent attributes
An interchangeable heel device for a shoe is disclosed. The device has an upper heel block, a detachable heel, and a key. The key is in a top of the detachable heel or in a bottom of the upper heel block and a receiving recess is in the other of the detachable heel or upper heel block. The key is movable within the receiving recess between a released position and an engaged position. In the engaged position, each key first engagement portion is engaged with one of the receiving first engagement portions and each key second engagement portions is engaged with one of the receiving second engagement portions to join the key to the perimeter of the receiving recess and the heel to the sole. In the released position, each key first engagement portion is aligned with one of the receiving non-engagement recesses and the key is removable from the receiving recess.