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An exercise device is composed of a bottom frame, two driving units, and two damping units. The bottom frame has a bearing seat and two frame bodies mounted on the bearing seat and provided with a placing portion. The driving units have a driving portion fastened pivotally with the frame bodies, a g

An exercise device is composed of a bottom frame, two driving units, and two damping units. The bottom frame has a bearing seat and two frame bodies mounted on the bearing seat and provided with a placing portion. The driving units have a driving portion fastened pivotally with the frame bodies, a grip portion fastened movably with the driving portion, and a guide portion fastened with the driving portion. The damping units have a damping member fastened at one end thereof with the placing portion such that another end of the damping member is extended to the driving portion via the guide portion. The damping units further have an adjusting device fastened with the driving portion and connected with the damping member for adjusting the damping force of the damping member.

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[ What is claimed is:] [1.] An exercise device comprising:a bottom frame having a bearing seat and two frame bodies mountable on said bearing seat such that said two frame bodies are opposite in location to each other, and that each of said two frame bodies are respectively provided with a first pla

[ What is claimed is:] [1.] An exercise device comprising:a bottom frame having a bearing seat and two frame bodies mountable on said bearing seat such that said two frame bodies are opposite in location to each other, and that each of said two frame bodies are respectively provided with a first placing portion;two driving units each having a driving portion fastened pivotally with each of said two frame bodies, a grip portion engaged on said driving portion, and a guide portion fastened with said driving portion such that said guide portion and said driving portion are located in a single plane with said second placing portion; andtwo damping units each having a damping member which is fastened at a first end thereof with a second placing portion, a second end of said damping member extending to said driving portion via said guide portion, each of said two damping units further having an adjusting device which is fastened with said driving portion and connected with said damping member for adjusting a damping force of said damping member;said driving units being rotatable in relation to said frame bodies by an external force greater than the damping force of said damping member;wherein said frame bodies each have a second placing portion,each of the two first placing portions permitting fixed mounting of the second placing portion of a frame body of the two frame bodies in at least two different positions on a mounting surface of the bearing seat;wherein in a first position of the two positions, the driving units are rotatable in a single plane, andin a second position of said two positions, the driving units are rotatable in parallel planes,wherein, each of said first placing portion being respectively fixed to the corresponding second placing portion by a removeable connection member extending through the second placing portion into a shaft rod of each of the two first placing portions.