发明名称 Door opening apparatus and method of using same
摘要 Disclosed herein is a the door opening apparatus and method of using same which includes a rigid member, a flexible patch member suspended on the rigid member having an area for grasping a door knob and the like and control lines connected to the patch member for moving the patch relative the rigid member. The upper section of the rigid member defines a frame. The flexible patch member has openings at its corners. Elastic and non-elastic supports are threaded through the openings and connected to the frame for suspending the patch member on the frame in balanced relationship thereto. Two control lines are threaded through two of the openings for moving the flexible patch and for unbalancing same.
申请公布号 US4876927(A) 申请公布日期 1989.10.31
申请号 US19880278590 申请日期 1988.12.01
申请人 MULLEN, ROBERT S. 发明人 MULLEN, ROBERT S.
分类号 E05B19/20 主分类号 E05B19/20
代理机构 代理人
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