US 5,707,325 AGranted

Exercising device

AssigneeKingi Cycle Co., Ltd.

InventorShu-Yen Chiou

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Abstract

An exercising device is disclosed. The exercising device includes a roller device, having an axis, for rolling along a first direction from a start point, a first variation point, a second variation point to a stop point and along a second direction from the stop point, the second variation point, the first variation point, to the start point; an axle device for passing therethrough the axis; a first energy-storing device, connected to the roller device, for storing energy when the roller device rolls from the first variation point to the stop point and for releasing energy when the roller device rolls from the stop point to the first variation point; and a second energy-storing device, connected to the roller device, for storing energy when the roller device rolls from the second variation point to the stop point and for releasing energy when the roller device rolls from the stop point to the second variation point.

Claims15

Dependent claims

An exercising device comprising:

a roller device, comprising an axis, for rolling along a first direction from a start point, a first variation point, a second variation point to a stop point and along a second direction from said stop point, said second variation point, said first variation point, to said start point;
an axle device passing passing through said roller device along said axis;
first and second spiral connected to said roller device and said axle device;
a first screw set device, connected to said roller device, so as to cause said first spiral spring to store energy when said roller device rolls along said first direction and release energy when said roller device rolls along said second direction;
and
a second screw set device, connected to said roller device, so as to cause said second spiral spring to store energy when said roller device rolls from said second vibration point to said stop point and to release energy when said roller device rolls from said stop point to said second variation point.

3 more elements

Dependencies are inferred from the claim text.