Elliptical exercise apparatus
a technology of elliptical exercise and footrests, which is applied in the direction of sport apparatus, cardiovascular exercise devices, gymnastic exercise, etc., can solve the problems of limited elliptical route of footrests, operator cannot obtain a sufficient amount of exercise, and cannot exercise comfortably
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[0012]Referring to FIGS. 1 and 2, the preferred embodiment of an elliptical exercise apparatus according to the present invention is shown to comprise a main frame 1, a crank assembly 6, a pair of swing rods 2, a pair of couplers 31, a pair of first locking units 3, and a treadle assembly 4.
[0013]The main frame 1 includes a base support 11 which is adapted to be supported on a supporting surface, such as a ground surface, and which has front and rear ends 111,112 opposite to each other in a longitudinal direction, and an upstanding support 12 which is connected to the front end 111 of the base support 11.
[0014]The crank assembly 6 includes a wheel 61 which has a crank pin 62 that is mounted at a center thereof to define a rotating axis, and that is mounted on the rear end 112 of the base support 11 so as to be rotatable about the rotating axis, and a pair of crank shafts 63 which are disposed adjacent to a rim of the wheel 61, which are diametrically opposite to each other relative ...
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