Exercising device for assisting a person to perform pullups

作者： Edward A. Roberts

DOI:

关键词: Bar (music) 、 Engineering drawing 、 Engineering

摘要: A pullup assisting device that is wall attached by support brackets for supporting the weight of a person and device, bar held between grasping user, harness positioned at one end cable passes over pully rotatably brackets, opposite to weights selected effectively cancelling least portion user.