Invention Grant
US08474793B2 Lifting system 有权
起重系统

Lifting system
Abstract:
The invention provides a lifting system that decreases the amount of energy used while lifting luggage from the ground in a variety of locations. According to the invention, a lifting system operates on a regenerative braking mechanism that provides for recharging the battery of the lifting system using energy created from rotational force generated by the lowering of an arm of the lifting system.
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