发明名称 Calibrated mechanical winch and method of manufacture
摘要 A ratchet-driven mechanical winch that is adapted to measure the force applied to a cable, wire, or other tether through the operation of Hooke's Law. The device operates by compressing a pair of linear springs as increasing force is applied to the cable, wire, or other tether.
申请公布号 US7762531(B2) 申请公布日期 2010.07.27
申请号 US20090418370 申请日期 2009.04.03
申请人 BOND MARK 发明人 BOND MARK
分类号 B21F9/00 主分类号 B21F9/00
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