发明名称 Fluid powered barrier system
摘要 A flexible barrier system is described that can be lowered or raised from a remote location using an accompanying remote control device which is either lockable or not lockable. The motor and mechanics used to raise and lower the chain are modular for easy repair and replacement, and enclosed in a protective covering in order to protect them from damage or tampering.
申请公布号 US6349503(B1) 申请公布日期 2002.02.26
申请号 US19990442575 申请日期 1999.11.18
申请人 IJOT DEVELOPMENT, INC. 发明人 GOMPERTZ MICHAEL A.;SILBERMANN KLAUS;DAWSON ARTHUR B.
分类号 E01F13/02;(IPC1-7):E01F13/00 主分类号 E01F13/02
代理机构 代理人
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