Signals and indicators – Indicators – Stress type
Reexamination Certificate
2007-11-26
2009-10-27
Gibson, Randy W (Department: 2841)
Signals and indicators
Indicators
Stress type
C116SDIG034, C073S862530, C073S862391, C052S098000, C403S002000, C177S173000
Reexamination Certificate
active
07607401
ABSTRACT:
Load-bearing devices, each including an overload indicator of the present invention interconnecting load bearing connectors, preferably elongated load bearing connectors are provided. In preferred embodiments, the load bearing connectors are chains, ropes, wire ropes, cables, straps and the like, preferably chain. The overload indicator includes a link having a strand of wire form material. The strand of wire form material having first and second portions, the first portion having a first strength; the second portion including a weaker segment having a second strength which is less than the first strength. The weaker segment preferably has a generally predetermined load bearing capacity or capability and is calibrated to reduce the load bearing capacity or capability of the overload indicator. Methods of making an overload indicator and a load bearing device including an overload indicators of the present invention are also disclosed.
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Gibson Randy W
Moore & Hansen PLLP
Peerless Chain Company
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