Return system for lifting hook and hooking device comprising such a system
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United States of America Patent
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Feb 27, 2024
Grant Date -
Oct 1, 2020
app pub date -
Dec 7, 2018
filing date -
Dec 8, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a return system (10) intended to equip a hooking device comprising a housing and a load hook (30) mounted so as to be able to pivot relative to the housing, the return system being mounted between a rod (21) secured to said housing, and comprising at least one tension spring (11), a device for adjusting the force of each tension spring with a plate (12) and a connecting rod (13) adjustably attached to the plate, and a crank pin (14) situated at a free end of the connecting rod, each tension spring links the rod to said plate, the crank pin is attached to the load hook, and the return system exerts a return force on the load hook that allows said load hook to close. The present invention also relates to a hooking device equipped with such a return system.
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