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Folding mechanism of a treadmill

Folding mechanism of a treadmill description/claims

1. Fields of the Invention

The invention relates to a folding mechanism of a treadmill, and more particularly, to a folding mechanism utilizing a pneumatic cylinder and a slide pusher to provide an excellent auxiliary supporting force.

2. Description of the Related Art

As well-known, the treadmill has a large volume and a great weight. It is therefore common to provide the platform frame of the treadmill with a fold-up function for facilitating the transportation and the storage. In view of the basic accessories of the treadmill, the fold-up mechanism can be divided into an electric and a manual folding configuration. The invention is intended for the manual folding configuration.

In fact, the conventional treadmills are not able to provide an excellent auxiliary supporting force for helping the operator to complete the fold-up or fold-down process when the platform frame is moved either in a storage position or in an operation position. Thus, the women often regard the fold-up or fold-down process of the treadmill as an impossible mission because any careless action would cause injuries to the body.

The worry about the above-mentioned operation of the treadmill can be attributed to the improper or insufficient design of the treadmill in addition to the bulky platform frame. This is the key point of the problems.

It is a primary object of the invention to eliminate the above-mentioned drawbacks and to provide a folding mechanism of a treadmill that employs a pneumatic cylinder and a slide pusher to provide an effective and auxiliary supporting force when the platform frame is moved in a vertical position or in a horizontal position.

According to the invention, a folding mechanism of a treadmill includes a slide pusher at the bottom of a platform frame thereof. By use of a pneumatic cylinder, the platform frame may push the rear support in an opposing direction to keep a ground-touching slide action at all times. In this way, an effective, strong, and auxiliary support force is created when the platform frame is moved in a vertical storage position or in a horizontal operation position.

The accomplishment of this and other objects of the invention will become apparent from the following description and its accompanying drawings of which:

FIG. 1 is a perspective view of a preferred embodiment of the invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a side view of FIG. 1 with the treadmill's platform lifted in an inclined position;

FIG. 4 is a side view of FIG. 1 with the treadmill's platform lifted in a storage position; and

FIG. 5 is a side view of a second embodiment of the invention.

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• Utility Patent

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