B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
198/100
B66F 17/00 (2006.01) F16G 13/12 (2006.01) F16G 15/00 (2006.01) G01L 5/04 (2006.01) G01L 5/06 (2006.01) G01L 5/10 (2006.01)
Patent
CA 1216812
ABSTRACT OF THE DISCLOSURE An overload detection and safety arrangement for a load carrying link chain, including a fuse link having link plates connected by a fuse bar of a tensile strength less than the tensile strength of the remainder of the load carrying chain, the fuse link being laced into the remainder of the chain. The fuse bar is designed to break under predetermined overload conditions, but is positioned and arranged to carry normal tensile loads on the device. A safety link, offset from but substantially parallel to the line of tension through the fuse bar, connects the link plates. The safety link has a tensile strength greater than the tensile strength of the fuse bar and at least substantially equal to the tensile strength of the remainder of the chain, the safety link holding the load when the fuse bar breaks due to overload conditions.
487739
Borden Ladner Gervais Llp
Emerson Electric Co.
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