A lifting mechanism and method for lifting materials onto a structure having a first elongated section having a winch lifting mechanism and a second section slidably mounted on the first section for moving upward and downward and roller guide members for engaging the first and second sections to allow the sliding and a lockable support frame pivotally connected to the second section for securing materials on one side of the first section for lifting onto a structure and rotating to an upper unloading position on the other side of the first and second sections.
Material lifting mechanism
2015-12-22
Patent
Electronic Resource
English
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