作者: Mardig Sevadjian , Yousef Ghandour , Chester Lake
DOI:
关键词:
摘要: The present invention is a pulley apparatus for resistance exercises comprising: housing with an upper end, lower interior channel extending through the housing, and exterior surface; weight stack movable within housing; system comprising in interior: at least two pulleys attached to end of one stack; on surface: swivel first second outer pulleys, located below pulley; rope received by such that secured lastly other pulley, whereby force exerted moves stack. may also contain be disassembled joined form combined housing.