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发明名称
快开慢关式自动闭门器
摘要
本发明由于采用了弹簧贮能及简易式单向阀产生阻尼的原理,便以较经济的方法使得快开慢关功能得以实现,而且运动件基本上藏在极易美化的筒身中,比较符合建筑装饰的要求,此外,只要将拉绳(10)端头上的小环(14)从支座(15)上方的小轴上取下,门就恢复了手动开闭的状态,从而增加了用户的选择性。基于以上优点,本发明专利应该具有广阔的市场前景。
申请公布号
CN1542251A
申请公布日期
2004.11.03
申请号
CN200310110859.X
申请日期
2003.11.05
申请人
洪恩
发明人
洪恩
分类号
E05F1/12
主分类号
E05F1/12
代理机构
代理人
主权项
1.一种以拉簧贮能,以简易式单向阀产生阻尼的而且运动件内藏于筒身的快开慢关式自动闭门器,其特征是:左支架(1)与筒身(9)内壁之间,装有外径大于筒身(9)内径的O形圈(2)。
地址
610021四川省成都市二环路南一段成都航院
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