Exercise apparatus

Abstract

An exercise apparatus includes a main frame, two operating members, a linking assembly and an eddy-current resistance assembly. The operating members are pivotally connected to two sides of the main frame. The linking assembly is disposed on the main frame and connected to the two operating members, wherein the two operating members are linked up with and reversely reciprocated to each other via the linking assembly. The eddy-current resistance assembly is linked with one of the two operating members for generating a resistance.

What is claimed is: 
     
         1 . An exercise apparatus, comprising:
 a main frame;   two operating members pivotally connected to two sides of the main frame, respectively;   a linking assembly disposed on the main frame and connected to the two operating members, wherein the two operating members are linked up with and reversely reciprocated to each other via the linking assembly; and   an eddy-current resistance assembly comprising:
 a magnetic resistance set; and 
 a linkage member connecting the magnetic resistance set and the linking assembly, wherein the linkage member is linked with one of the two operating members via the linking assembly to drive the magnetic resistance set for generating a resistance. 
   
     
     
         2 . The exercise apparatus of  claim 1 , wherein the linking assembly comprises:
 two pivoting units, two operating members pivotally connected to the two sides of the main frame via the two pivoting units, respectively; and   a reverse linking member connecting the two operating members so as to reversely link one of the two operating members with the other one of the two operating members.   
     
     
         3 . The exercise apparatus of  claim 2 , wherein the linking assembly further comprises:
 two transmission units pivotally connected between the two pivoting units, respectively, wherein the reverse linking member is disposed on the two transmission units.   
     
     
         4 . The exercise apparatus of  claim 1 , further comprising:
 a driving axle pivotally disposed at the main frame, two ends of the driving axle located at the two sides of the main frame; and   a transmission set comprising a coaxial unit and a driveline, wherein the coaxial unit is coaxially connected to one of the pivoting members, and the driveline is connected to the coaxial unit and one of the two ends of the driving axle;   wherein the linkage member is connected to the other one of the two ends of the driving axle, so that the linkage member drives the magnetic resistance set to generate the resistance by the transmission set during the pivoting member which is coaxially connected to the coaxial unit of the transmission set is driven by one of the two operating members.   
     
     
         5 . The exercise apparatus of  claim 4 , further comprising:
 a first transmission gear; and   a second transmission gear, wherein the first transmission gear and the second transmission gear are connected to the two ends of the driving axle, respectively.   
     
     
         6 . The exercise apparatus of  claim 1 , wherein the magnetic resistance set of the eddy-current resistance assembly comprises:
 a resistance transmission axle;   a first magnetic resistance generating member; and   a second magnetic resistance generating member adjacent to the first magnetic resistance generating member, wherein the first magnetic resistance generating member is connected to the resistance transmission axle for generating a relative displacement relative to the second magnetic resistance generating member when the resistance transmission axle is linked with the linkage member.   
     
     
         7 . The exercise apparatus of  claim 6 , wherein the first magnetic resistance generating member comprises:
 a first wheel frame having a rotating center connected with the resistance transmission axle; and   an annular wall member made of a metal material and connected around the first wheel frame.   
     
     
         8 . The exercise apparatus of  claim 7 , wherein the second magnetic resistance generating member comprises:
 a second wheel frame;   an outer annular wall member connected around the second wheel frame;   an inner annular wall member connected around the second wheel frame, wherein the outer annular wall member surrounds the inner annular wall member; and   a plurality of magnets disposed on an inner wall of the outer annular wall member and an outer wall of the inner annular wall member;   wherein a gap space is formed between the magnets on the inner wall of the outer annular wall member and the magnets on the outer wall of the inner annular wall member, and the annular wall member is located in the gap space.   
     
     
         9 . The exercise apparatus of  claim 8 , wherein the magnetic resistance set of the eddy-current resistance assembly further comprises:
 a resistance adjusting set for adjusting a depth of the annular wall member of the first magnetic resistance generating member in the gap space.   
     
     
         10 . The exercise apparatus of  claim 6 , wherein the magnetic resistance set of the eddy-current resistance assembly further comprises:
 a disposing frame connected to the main frame, wherein the resistance transmission axle, the first magnetic resistance generating member and the second magnetic resistance generating member coaxially disposed at the disposing frame;   wherein the second magnetic resistance generating member is fixedly disposed at the disposing frame, and the resistance transmission axle and the first magnetic resistance generating member are pivotally connected to the disposing frame.   
     
     
         11 . The exercise apparatus of  claim 10 , wherein the magnetic resistance set of the eddy-current resistance assembly further comprises a resistance adjusting set, the resistance adjusting set comprises:
 an elastic unit disposed between the second magnetic resistance generating member and the disposing frame; and   an adjusting member for releasing the second magnetic resistance generating member along a direction of the resistance transmission axle and disposing the second magnetic resistance generating member at an operating position.   
     
     
         12 . The exercise apparatus of  claim 10 , wherein the disposing frame comprises:
 two supporting wall members connected to the main frame, and the first magnetic resistance generating member and the second magnetic resistance generating member located between the two supporting wall members; and   two supporting bars, each of the supporting bars connected to the two supporting wall members, and the second magnetic resistance generating member positioned at the supporting bars.   
     
     
         13 . The exercise apparatus of  claim 1 , wherein each of the operating members comprises a pedal and an operating handle, wherein the pedal is pivotally connected to each of the two sides of the main frame, and the operating handle is connected to the pedal. 
     
     
         14 . The exercise apparatus of  claim 2 , further comprising:
 an exercising path sensing assembly comprising:
 a sensing element disposed on an outer side of one of the two pivoting units; and 
 at least three sensors facing towards the outer side of the pivoting unit for sensing the sensing element during the pivoting unit rotated by one of the two operating members. 
   
     
     
         15 . The exercise apparatus of  claim 14 , wherein distances between each two of the sensors which are adjacent to each other are the same. 
     
     
         16 . The exercise apparatus of  claim 14 , further comprising:
 a controller signally connected to the three sensors; and   a display signally connected to the controller.   
     
     
         17 . The exercise apparatus of  claim 1 , further comprising:
 a driving axle pivotally disposed at the main frame, two ends of the driving axle located at the two sides of the main frame; and   two resistance transmission sets, each of the two resistance transmission sets comprising a coaxial unit, an one-way bearing and a driveline, wherein the coaxial unit is coaxially connected to each of the pivoting members, the one-way bearing is coaxially connected to each of two ends of the driving axle, and the driveline is connected to the coaxial unit, the one-way bearing and each of the two ends of the driving axle;   wherein the linkage member is connected to one of the two ends of the driving axle and one of the one-way bearing, so that the linkage member drives the magnetic resistance set to generate the resistance by the resistance transmission set during the pivoting member which is coaxially connected to the coaxial unit of the resistance transmission set is driven by one of the two operating members.   
     
     
         18 . The exercise apparatus of  claim 17 , wherein the linkage member comprises a belt and a driving wheel, wherein the driving wheel is connected to the end of the driving axle, and the belt connects the driving wheel and the magnetic resistance set. 
     
     
         19 . The exercise apparatus of  claim 18 , wherein the linkage member further comprises:
 a belt tensioning set disposed on the main frame and elastically abutted against the belt.   
     
     
         20 . The exercise apparatus of  claim 19 , wherein the belt tensioning set comprises:
 a base member;   a pivoting axial unit pivotally connecting the base member to the main frame;   a tensioning wheel connected to one end of the base member and abutted against the belt; and   a spring, one end of the spring is connected to the other end of the base member, the other end of the spring is connected to the main frame.