专利汇可以提供Double door locking device专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide a rotary type double door locking device which will never allow interlocking unless otherwise both doors are closed perfectly by providing one door, equipped with key box, which can never be closed unless the other door is closed.
CONSTITUTION: A rotary piece 6 is pivotably installed at a door receiving frame 8, a trigger 7, engageable with the rotary piece 6 upon closure of doors 1, 2, is attached to a handle shaft 10 for the door 2, and a rotary piece stopper shaft 9 is installed at the other door 1. A handle 5 is rotated in the direction designated by arrow A under the condition that the door 2 is closed, the rotary piece 6 is rotated in the direction designated by arrow B by the trigger 7 fixed to the handle 5, the rotary piece stopper shaft 9 fixed at inside surface of the door 1 is entered into a key hole 12 equipped on the rotary piece 6 and thus the door 1 is closed, thereafter the double door may be interlocked by a key box 3.
COPYRIGHT: (C)1979,JPO&Japio,下面是Double door locking device专利的具体信息内容。
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