A leg exerciser includes a base positioned on the floor, two pedals pivotally connected to the base in a parallel manner, two spring plates supporting the pedals on the floor, each spring plate having a fixed end connected to one pedal, a free end movably supported on the floor and a smoothly arched
A leg exerciser includes a base positioned on the floor, two pedals pivotally connected to the base in a parallel manner, two spring plates supporting the pedals on the floor, each spring plate having a fixed end connected to one pedal, a free end movably supported on the floor and a smoothly arched suspension arm connected between the fixed end and the free end, and two sliding coupling devices coupled between the free ends of the spring plates and the base, each sliding coupling device including a track plate extended from the base along a predetermined path and a roller pivotally connected to the free end of one spring plate and rotatably supported on the track plate.
대표청구항▼
1. A leg exerciser, comprising: a base positioned on a floor;two pedals arranged in parallel above said base, each said pedal having one end thereof pivotally connected to said base; andtwo elastically deformable support members supporting said pedals on said floor, each said elastically deformable
1. A leg exerciser, comprising: a base positioned on a floor;two pedals arranged in parallel above said base, each said pedal having one end thereof pivotally connected to said base; andtwo elastically deformable support members supporting said pedals on said floor, each said elastically deformable support member comprising a fixed end connected to one said pedal and a free end disposed in proximity to said floor, said elastically deformable support members being so configured that the free ends of said elastically deformable support members are alternatively moved back and forth along a predetermined path when a user is pedaling said pedals;wherein said predetermined path is disposed in parallel to said floor. 2. The leg exerciser as claimed in claim 1, wherein said elastically deformable support members are respectively formed of a respective spring plate, comprising a smoothly arched suspension arm connected between said fixed end and said free end. 3. The leg exerciser as claimed in claim 2, wherein the free end of each said elastically deformable support member has an elongated configuration and connected to a bottom wall of the associating said pedal in a substantially parallel manner; the spring plate of each said elastically deformable support member defines a recessed surface portion on a bottom side of the smoothly arched suspension arm thereof and extending along the length of the smoothly arched suspension arm. 4. The leg exerciser as claimed in claim 1, further comprising two sliding coupling devices respectively coupled between the free ends of said elastically deformable support members and said base, each said sliding coupling device comprising a track plate extended from said base along said predetermined path, and a roller pivotally connected to the free end of one said elastically support member and rotatably supported on said track plate. 5. The leg exerciser as claimed in claim 1, further comprising two elastic pull cords respectively connected to said pedals. 6. A leg exerciser, comprising: a base positioned on a floor;two pedals arranged in parallel above said base, each said pedal having one end thereof pivotally connected to said base; andtwo elastically deformable support members supporting said pedals on said floor, each said elastically deformable support member comprising a fixed end connected to one said pedal and a free end disposed in proximity to said floor, said elastically deformable support members being so configured that the free ends of said elastically deformable support members are alternatively moved back and forth along a predetermined path when a user is pedaling said pedals;wherein said elastically deformable support members are respectively formed of a respective spring plate, comprising a smoothly arched suspension arm connected between said fixed end and said free end. 7. The leg exerciser as claimed in claim 6, wherein the free end of each said elastically deformable support member has an elongated configuration and connected to a bottom wall of the associating said pedal in a substantially parallel manner; the spring plate of each said elastically deformable support member defines a recessed surface portion on a bottom side of the smoothly arched suspension arm thereof and extending along the length of the smoothly arched suspension arm. 8. The leg exerciser as claimed in claim 6, further comprising two sliding coupling devices respectively coupled between the free ends of said elastically deformable support members and said base, each said sliding coupling device comprising a track plate extended from said base along said predetermined path, and a roller pivotally connected to the free end of one said elastically support member and rotatably supported on said track plate. 9. The leg exerciser as claimed in claim 6, further comprising two elastic pull cords respectively connected to said pedals. 10. The leg exerciser as claimed in claim 6, wherein said predetermined path is disposed in parallel to said floor. 11. A leg exerciser, comprising: a base positioned on a floor;two pedals arranged in parallel above said base, each said pedal having one end thereof pivotally connected to said base; andtwo spring plates supporting said pedals on said floor, each said spring plate comprising a fixed end connected to one said pedal, a free end movably supported on said floor, and a smoothly arched suspension arm connected between said fixed end and said free end;wherein the free end of each said spring plate has an elongated configuration and is connected to a bottom wall of the associating said pedal in a substantially parallel manner; each said spring plate defines a recessed surface portion on a bottom side of said smoothly arched suspension arm and extending along the length of said smoothly arched suspension arm. 12. The leg exerciser as claimed in claim 11, further comprising two sliding coupling devices respectively coupled to the free ends of said spring plates and alternatively movable back and forth along a predetermined path. 13. The leg exerciser as claimed in claim 12, wherein said predetermined path is disposed in parallel to said floor. 14. The leg exerciser as claimed in claim 12, wherein each said sliding coupling device comprises a track plate extended from said base along said predetermined path, and a roller pivotally connected to the free end of one said spring plate and rotatably supported on said track plate. 15. The leg exerciser as claimed in claim 11, further comprising two elastic pull cords respectively connected to said pedals.
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