Patent ID: 9643045
Date: 2017-05-09
CPC Classifications: A63B

Claim:
1. An exercise device, comprising: a frame; two first swing arms respectively arranged at a left side and a right side of the frame, each first swing arm having a handle at a first end to be held by a user and having a portion pivotally coupling with the frame; two second swing arms coupling with the two first swing arms, each first swing arm having a second end pivotally coupling with a first end of one corresponded second swing arm; two pedals coupling with the two second swing arms, each second swing arm having a second end coupling with one corresponded pedal; a resistance device pivoted to the frame by an axle for providing a resistance; two cranks respectively arranged at a left side and a right side of the resistance device, each crank having a first end coupling with the axle of the resistance device; two link rods coupling with the two cranks and the two second swing arms, each link rod having a first end and a second end, the first end of each link rod pivotally coupling with a second end of one corresponded crank, the second end of each link rod pivotally coupling with a portion of one corresponded second swing arm; two supporting mechanisms coupling with the frame, each supporting mechanism having a fulcrum; two rock rods coupling with the two supporting mechanisms and the two second swing arms, each rock rod having a first end movably coupling with the fulcrum of one corresponded supporting mechanism and a second end pivotally coupling with one corresponded second swing arm; and two adjusting devices arranged between the two supporting mechanisms and the two rock rods, each adjusting device adjusting a distance between the second end of one corresponded rock rod and the fulcrum of one corresponded supporting mechanism.