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发明名称
空气缓冲自动关门装置
摘要
本实用新型公开了一种用于建筑物上的自动关门装置,它使门扇开启后能自动缓慢地关上。其主要由支架、气缸、座架构成,其特点是活塞杆一端用轴直接与装在门扇上的支架连接,气缸通过一圆盘与装在门框的座架活动相连,气缸既起储能作用又起传递力的杆件作用。当门扇开到一定的角度时还能自动锁住。整个装置结构简单,安装方便,关门速度可随意调整。
申请公布号
CN2036564U
申请公布日期
1989.04.26
申请号
CN88218882.8
申请日期
1988.08.30
申请人
林良栋;丁祖莲
发明人
林良栋;丁祖莲
分类号
E05F1/08
主分类号
E05F1/08
代理机构
代理人
主权项
1、一种自动关门装置,具有支架(1)、气缸(6)、座架(13),其特征是气缸(6)通过圆盘(9)与座架(13)活动连接,气缸(6)的活塞杆(3)通过轴(2)与支架(1)活动连接。
地址
四川省彭县锦江油泵油嘴厂
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