发明名称 Lifting sling with excessive elongation warning indicator
摘要 A lifting sling having warning markings that indicate if the maximum safe load for the sling has been exceeded, whereby a visible indicator is provided to the operator at the time of overload. In an embodiment, a permanent indication of sling overload is also provided.
申请公布号 US2009015024(A1) 申请公布日期 2009.01.15
申请号 US20080231971 申请日期 2008.09.08
申请人 MUELLER DEWAYNE 发明人 MUELLER DEWAYNE
分类号 B66C1/12 主分类号 B66C1/12
代理机构 代理人
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