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Folding step exerciser

Folding step exerciser description/claims

1. Field of Invention

The invention relates to folding step exercisers and more particularly to such a folding step exerciser having a pivotal upright which can be folded to a horizontal position after threadably unfastening.

2. Description of Related Art

A well known folding step exerciser is shown in FIGS. 5 and 6 and comprises an I-shaped base 20 including a front square socket 21 projecting upwardly from a center of a front bar of the base 20. A hollow cylindrical upright 22 is releasably secured to the socket 21. In detail, a bolt 25 is driven through the socket 21 and the upright 22 to be secured by means of a nut 24. Left and right handlebars 23 are releasably secured to a top of the upright 22.

However, the fastening of the socket 21 and the upright 22 is not reliable. In fact, it tends to loosen after a short period of time of use. As a result, the handlebars 23 may vibrate significantly during use. And in turn, the user may feel a degree of discomfort. Moreover, when not in use, a user has to use a tool to unfasten the bolt and nut prior to detaching both the upright 22 and the handlebars 23 from the base 20. This is, however a time consuming process.

Still, there have been numerous suggestions in prior patents for folding step exerciser. For example, U.S. Pat. No. 5,782,722 discloses a structure of folding collapsible step exerciser. Thus, continuing improvements in the exploitation of folding step exerciser are constantly being sought.

It is therefore one object of the invention to provide a folding step exerciser having a pivotal upright which can be folded to a horizontal position after threadably unfastening.

The above and other objects, features and advantages of the invention will become apparent from the following detailed description taken with the accompanying drawings.

FIG. 1 is a perspective view of a preferred embodiment of folding step exerciser according to the invention;

FIG. 2 is an exploded perspective view of the step exerciser;

FIG. 3 is a front view in part section of a lower portion of FIG. 1;

FIG. 4 is a side elevation of FIG. 1 showing the step exerciser collapsed;

FIG. 5 is a perspective view of a conventional folding step exerciser; and

FIG. 6 is a front view in part section of a lower portion of FIG. 5.

• Provisional Patent
• Utility Patent

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