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公开(公告)号:US3571989A
公开(公告)日:1971-03-23
申请号:US3571989D
申请日:1967-02-24
Applicant: RIXSON INC
Inventor: GAYSOWSKI JOSEPH J
CPC classification number: E05F3/225 , E05F3/00 , E05Y2201/10 , E05Y2600/41 , E05Y2600/452
Abstract: An improved cement case for effecting the floor mounting of a door control unit, such as a door closer or door check, for controlling a swinging door. The case is made of impact resistant plastic material and supports metal anchors which, with the case, are embedded in cement. The door control unit which is disposed in the case is directly connectable with the metal anchors.
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公开(公告)号:US3648326A
公开(公告)日:1972-03-14
申请号:US3648326D
申请日:1969-11-21
Applicant: RIXSON INC
Inventor: GAYSOWSKI JOSEPH J
CPC classification number: E05F3/222 , E05F2003/228 , E05Y2201/462 , E05Y2201/474 , E05Y2900/132 , Y10T16/22 , Y10T292/294
Abstract: An electromechanical door holder-closer to maintain remote failsafe holding of a door in an open position, and also to effect closure of the door in response to the application of a manual closing force, the opening of an operating switch, the malfunctioning of condition detection circuitry for fire or smoke, or, alternatively, the detection of an undesired condition.
Abstract translation: 机电门保持器更靠近,以保持门处于打开位置的远程故障安全保持,并且还响应于手动关闭力的施加,操作开关的打开而使门关闭,故障 用于火灾或烟雾的状态检测电路,或者替代地,检测不期望的状况。
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