US Patent 10328300 Wearable muscular strength assisting apparatus

A wearable muscular strength assisting apparatus includes a base part for supporting a rear surface of a wearer, a leg part rotatably coupled to the base part and connected to a lower part of a body of the wearer, a wire part coupled to each of the base part and the leg part and a driving part provided in at least one of the base part and the leg part, coupled to the wire part, and driven to pull or release the wire part depending on a control to provide assist force to waist muscular strength of the wearer.