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1. 发明授权

US4677789A Window bar assembly 失效
标题翻译：窗条组装
公开(公告)号：US4677789A
公开(公告)日：1987-07-07
申请号：US825258
申请日：1986-02-03
申请人： Mark A. Merry
发明人： Mark A. Merry
IPC分类号： E06B9/01 , E06B9/04 , E06B3/68
CPC分类号： E06B9/04 , E06B9/01
摘要： A window guard assembly having a first stationary frame rigidly attached to a window opening having a second frame hingedly attached thereto and sized to closely fit within the first frame. A grate is rigidly attached to the second frame. To prevent unauthorized entry, a channel attached to the second frame has a pair of locking bars slidably mounted in the channel and movable into engagement with apertures in both frames to lock the second frame in its closed position. A lever handle and extension arm are pivotally attached to the locking bars to cause movement between their locking and release positions.
摘要翻译：一种防护罩组件，其具有刚性地连接到窗口的第一固定框架，其具有铰接地附接到其上的第二框架，并且其尺寸适于紧密地配合在第一框架内。格栅刚性地连接在第二个框架上。为了防止未经授权的进入，附接到第二框架的通道具有可滑动地安装在通道中的一对锁定杆，并且可移动地与两个框架中的孔啮合，以将第二框架锁定在其关闭位置。杠杆手柄和延伸臂枢转地附接到锁定杆以在其锁定和释放位置之间移动。

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