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US 10,300,330 B2Granted
Stair climbing apparatus and method
AssigneeCybex International, Inc.
InventorGordon Andrade
Life of this patent
Estimating the term…
Abstract
A stair stepping apparatus comprising: a plurality of stairs forming a treadmill or endless belt on which a user steps, wherein each stair comprises: a first link comprised of a major step portion joined to a minor riser portion by a rigid elbow, and a second link comprised of major riser portion joined to a minor step portion by a rigid elbow.
Claims7
A stair stepping apparatus comprising:
- a plurality of stairs mounted on a frame and hingedly interconnected to each other in succession to form a treadmill or endless belt, the treadmill being rotatably mounted on the frame for rotation around a path of travel,
- wherein each stair comprises:
- a step having a generally planar upper step surface having a front to rear length extending from a front edge to a rear edge, and,
- a riser having a top to bottom vertical length extending from the rear edge of the upper step surface to a bottom edge of the riser,
- the riser comprising an upper riser and a lower riser hingedly joined to each other between the rear edge of the step surface and bottom edge of the riser.
2 more elements
Dependencies are inferred from the claim text.