Cyclic skating motion exercise machines

Abstract

A cyclical skating motion exercise machine has a base frame assembly. A first pedal arm mounted on a first pedal axle, wherein the first pedal axle is substantially vertical. A first link assembly mounted to the first pedal arm at a first pedal joint. The first pedal joint provides motion between the first link assembly and the first pedal arm. A first pedal mounted to the first pedal arm for supporting a user's foot. A second pedal arm is mounted on a second pedal axle, wherein the second pedal axle is substantially vertical. A crank assembly has a first link assembly is mounted to the a crank assembly, and the crank assembly has rotational inertia is substantially orthogonally to the first pedal axle.

1 . A cyclical skating motion exercise machine comprising:
 a base frame assembly;   a first pedal arm mounted on a first pedal axle, wherein the first pedal axle is substantially vertical;   a first link assembly mounted to the first pedal arm at a first pedal joint, wherein the first pedal joint provides motion between the first link assembly and the first pedal arm;   a first pedal mounted to the first pedal arm for supporting a user's foot;   a second pedal arm mounted on a second pedal axle, wherein the second pedal axle is substantially vertical; and   a crank assembly, wherein the first link assembly is mounted to the a crank assembly,   wherein the crank assembly has rotational inertia substantially orthogonally to the first pedal axle.   
     
     
         2 . The cyclical skating motion exercise machine of  claim 1 , further comprising: a first handle assembly, and a second handle assembly, the first handle assembly connected to the crank assembly by a third link assembly, and the second handle assembly connected to the crank assembly by a fourth link assembly. 
     
     
         3 . The cyclical skating motion exercise machine of  claim 1 , further comprising: a first handle grip pivotally connected to the crank assembly via a first crank arm and a third link assembly. 
     
     
         4 . The cyclical skating motion exercise machine of  claim 1 , wherein the link assembly mounted to the first pedal arm comprises-a first cross joint, a second cross joint and an axle joint, further comprising: a first handle grip pivotally connected to the crank assembly via a first crank arm and a third link assembly. 
     
     
         5 . The cyclical skating motion exercise machine of  claim 1 , wherein the link assembly mounted to the first pedal arm comprises a first cross joint, a second cross joint and an axle joint, further comprising: a first handle grip pivotally connected to the crank assembly via a first crank arm and a third link assembly, further comprising a first pad link connected to a first pad secondary pivot and a second pad link connected to a second pad secondary pivot, wherein the first pad link axle is connected to the base frame assembly, wherein the second pad link axle is connected to the base frame assembly, wherein the crank assembly further comprises a belt, and wherein the crank assembly further comprises a bidirectional retainer system for removing slack from the belt. 
     
     
         6 . The cyclical skating motion exercise machine of  claim 1 , wherein the link assembly mounted to the first pedal arm comprises a first cross joint, a second cross joint and an axle joint. 
     
     
         7 . The cyclical skating motion exercise machine of  claim 1 , further comprising a first pad link connected to a first pad secondary pivot and a second pad link connected to a second pad secondary pivot, wherein the first pad link axle is connected to the base frame assembly, wherein the second pad link axle is connected to the base frame assembly. 
     
     
         8 . The cyclical skating motion exercise machine of  claim 1 , wherein the crank assembly further comprises a belt, and wherein the crank assembly further comprises a bidirectional retainer system for removing slack from the belt. 
     
     
         9 . The cyclical skating motion exercise machine of  claim 1 , further comprising a first pad link connected to a first pad secondary pivot and a second pad link connected to a second pad secondary pivot, wherein the first pad link axle is connected to the base frame assembly, wherein the second pad link axle is connected to the base frame assembly, wherein the crank assembly further comprises a belt, and wherein the crank assembly further comprises a bidirectional retainer system for removing slack from the belt. 
     
     
         10 . The cyclical skating motion exercise machine of  claim 1 , further comprising: a first handle assembly, and a second handle assembly, the first handle assembly connected to the crank assembly by a third link assembly, and the second handle assembly connected to the crank assembly by a fourth link assembly. 
     
     
         11 . The cyclical skating motion exercise machine of  claim 10 , wherein the link assembly mounted to the first pedal arm comprises a first cross joint, a second cross joint and an axle joint. 
     
     
         12 . The cyclical skating motion exercise machine of  claim 10 , further comprising a first pad link connected to a first pad secondary pivot and a second pad link connected to a second pad secondary pivot, wherein the first pad link axle is connected to the base frame assembly, wherein the second pad link axle is connected to the base frame assembly. 
     
     
         13 . The cyclical skating motion exercise machine of  claim 10 , wherein the crank assembly further comprises a belt, and wherein the crank assembly further comprises a bidirectional retainer system for removing slack from the belt. 
     
     
         14 . The cyclical skating motion exercise machine of  claim 10 , wherein the link assembly mounted to the first pedal arm comprises a first cross joint, a second cross joint and an axle joint, further comprising a first pad link connected to a first pad secondary pivot and a second pad link connected to a second pad secondary pivot, wherein the first pad link axle is connected to the base frame assembly, wherein the second pad link axle is connected to the base frame assembly, wherein the crank assembly further comprises a belt, and wherein the crank assembly further comprises a bidirectional retainer system for removing slack from the belt. 
     
     
         15 . The cyclical skating motion exercise machine of  claim 1 , wherein the first pedal joint has at least two degrees of freedom. 
     
     
         16 . The cyclical skating motion exercise machine of  claim 15 , further comprising: a first handle assembly, and a second handle assembly, the first handle assembly connected to the crank assembly by a third link assembly, and the second handle assembly connected to the crank assembly by a fourth link assembly. 
     
     
         17 . The cyclical skating motion exercise machine of  claim 15 , wherein the link assembly mounted to the first pedal arm comprises a first cross joint, a second cross joint and an axle joint. 
     
     
         18 . The cyclical skating motion exercise machine of  claim 15 , further comprising a first pad link connected to a first pad secondary pivot and a second pad link connected to a second pad secondary pivot, wherein the first pad link axle is connected to the base frame assembly, wherein the second pad link axle is connected to the base frame assembly. 
     
     
         19 . The cyclical skating motion exercise machine of  claim 15 , wherein the crank assembly further comprises a belt, and wherein the crank assembly further comprises a bidirectional retainer system for removing slack from the belt.