Exercise devices – Involving user translation or physical simulation thereof – Having separate foot engaging members reciprocating on...
Reexamination Certificate
2000-05-12
2001-10-16
Donnelly, Jerome W. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Having separate foot engaging members reciprocating on...
C482S051000, C482S052000
Reexamination Certificate
active
06302830
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to exercise methods and apparatus and more particularly, to exercise equipment which facilitates foot travel through various paths.
BACKGROUND OF THE INVENTION
Exercise equipment has been designed to facilitate a variety of lower body exercise motions. For example, treadmills allow a person to walk or run in place; stepper machines allow a person to climb in place; bicycle machines allow a person to pedal in place; other machines allow a person to skate and/or stride in place; and still other machines guide a person's feet through elliptical paths of travel. Yet another exercise apparatus, disclosed in U.S. Pat. No. 5,290,211 to Stearns, is designed to facilitate several different exercise motions, including free form paths of foot movement and controlled paths of foot movement comparable to walking, running, stepping, cycling, striding, skiing, and/or elliptical motion.
SUMMARY OF THE INVENTION
Among other things, the present invention provides an exercise apparatus which facilitates a natural walking motion like a treadmill but with greater flexibility and/or less potential for injury. In this regard, left and right foot supports are pivotally mounted on left and right skates. The skates are movable back and forth relative to a base, and the foot supports are movable up and down relative to the skates. As a result, a person's feet are supported throughout a natural striding motion. Moreover, both the length of each stride and the speed of foot motion may be varied at the discretion of the user.
On a preferred embodiment, the foot supports are disposed above a deck, which provides a stable surface for mounting and dismounting the foot platforms, and which also shrouds the skates and associated linkage components. Bars extend through slots in the deck to connect the foot supports to the skates. The skates are constrained to move back and forth in reciprocal fashion, and the foot platforms are constrained to move up and down in reciprocal fashion. Rearward movement of the skates causes a flywheel to rotate subject to variable resistance. Resistance devices are also interconnected between the foot platforms and the skates to resist downward pivoting of the former relative to the latter. The entire foot supporting assembly is mounted on a base which may be pivoted relative to a forward stanchion to facilitate storage and/or transportation of the preferred embodiment machine.
Another aspect of the present invention is to facilitate various modes of exercise motion involving left and right foot supports movably mounted on a base. In a first mode of operation, the foot supports are free to move both back and forth and up and down relative to the base. In a second mode of operation, the foot supports are free only to move up and down relative to the base, in a manner similar to a stair-stepping motion. In a third mode of operation, the foot supports are free only to move back and forth relative to the base, in a manner similar to a skiing motion. In each of the these modes of operation, a person's feet are supported throughout the exercise motion, and there is virtually no impact on the person's joints. If total body exercise is desired, handles may be movably mounted on the base and linked to the foot linkage assemblies. Many features, advantages, and variations, of the present invention may become apparent from the more detailed description that follows.
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