Invention Grant
- Patent Title: Lifting sling with excessive elongation warning indicator
- Patent Title (中): 提升吊带过长伸长警告指示器
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Application No.: US12231971Application Date: 2008-09-08
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Publication No.: US07938468B2Publication Date: 2011-05-10
- Inventor: DeWayne Mueller
- Applicant: DeWayne Mueller
- Agent Thomas C. Saitta
- Main IPC: B66C1/12
- IPC: B66C1/12
Abstract:
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 frangible indicator member connected to the cover of the lifting sling provide a permanent indication of sling overload.
Public/Granted literature
- US20090015024A1 Lifting sling with excessive elongation warning indicator Public/Granted day:2009-01-15
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