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US 7,862,481 B2Granted
Stepper apparatus
AssigneeChin-Yu Tu
InventorTsung-Jen Chen
Life of this patent
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Abstract
A stepper apparatus includes a base, two axle units, two pedal units and a coordinating unit. The base includes a post formed thereon. Each of the axle units includes an axle extended downwards from a flank of the post. Each of the pedal units includes a pedal pivotally connected to the axle of a related one of the axle units. The coordinating unit includes a lever pivotally connected to the post and formed with two ends each connected to a related one of the pedals so that one of the pedals is moved upwards and outwards while the other pedal is moved downwards and inwards.
Claims3
A stepper apparatus comprising:
- a base having an upright post formed thereon;
- two axle units each having an axle extended laterally downwards from a flank of the post;
- two pedal units each having a sleeve rotatably and coaxially connected to the axle of a related one of the axle units, a pedal rearwardly connected to the sleeve, and a rod extended substantially downward from the sleeve;
- and
- a coordinating unit having a lever connected to the post, the coordinating unit formed with two ends each in contact with the rod of a related one of the pedal units so that as one of the pedal units is moved upwards and laterally outwards, the other pedal unit is moved downwards and laterally inwards.
2 more elements
Dependencies are inferred from the claim text.