US Patent 11118382 Door prop device

A door prop device that can be utilized to maintain a door in an open position is described. The door prop has a triangular shaped body with angled sidewalls that extend from a base. A projection extends from the angled sidewalls in a direction away from the base. A passageway extends through the projection. A member is rotatably positioned in the passageway with a first portion of the member extending from the passageway. The first portion has first and second concave surfaces. The first and second concave surfaces are disposed for engaging a hinge pin on a hinge for a door.