公开(公告)号：US5291631A

公开(公告)日：1994-03-08

申请号：US980342

申请日：1992-11-23

Applicant: Craig A. Schjoneman

Inventor： Craig A. Schjoneman

IPC: E05B17/00 ,  E05B45/06 ,  E05C17/54 ,  E05F5/04 ,  E05F5/08

CPC classification number: E05B17/005 ,  E05C17/54 ,  E05F5/04 ,  E05B45/06 ,  E05F2005/046 ,  E05Y2201/224 ,  E05Y2600/52 ,  E05Y2900/132 ,  Y10T16/61 ,  Y10T16/628

Abstract: A flexible, rubber-like member in the shape of a flat "dumbbell" has a pair of holes at either enlarged end thereof for fitment respectively about the opposed knobs or handles of a door with the narrow portion thereof wrapping around the side edge of the door proximal the knobs to prevent closure of the door. In an alternatively preferred embodiment, there is provided a signal generating mechanism for indicating when an attempt is being made to close the door with which it is being used.

Abstract translation: 扁平“哑铃”形的柔性橡胶状构件在其扩大端具有一对孔，用于分别围绕门的相对的把手或把手装配，其窄部分围绕着 靠近门的门，以防止门的关闭。 在另一优选实施例中，提供了一种信号发生机构，用于指示何时尝试关闭正在使用它的门。