公开(公告)号：US3980328A

公开(公告)日：1976-09-14

申请号：US579479

申请日：1975-05-21

申请人： Ernest A. Pearson

发明人： Ernest A. Pearson

IPC分类号： E05C19/00 ,  E05B13/00 ,  E05C13/02 ,  E05C19/18

CPC分类号： E05C19/003 ,  Y10S292/24 ,  Y10S292/53 ,  Y10S292/54 ,  Y10T292/20 ,  Y10T292/23 ,  Y10T292/237 ,  Y10T70/411

摘要： Improvement in a doorbar device for barring the door of a doorway, the doorway having doorjambs and a door therefor, the door having a doorknob, the doorbar device comprising a doorknob constructed to be affixed to the doorjambs of the doorway to extend across and bar the door from being opened, the doorbar device also comprising a mechanism for applying a force upon the doorknob to prevent turning thereof.

摘要翻译： 门栏装置的改进，用于禁止门口的门，门口具有门廊和门，门具有门把手，门栏装置包括构造成固定到门口的门廊上的门把手以延伸穿过门栏 门被打开，门栏装置还包括用于在门把手上施加力以防止其转动的机构。