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Portable mechanical fan

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Portable mechanical fan

A portable mechanical fan device comprises a spring loaded hand grip, one or more hand grip springs, a saw-tooth drive plate, upper and lower drive gears, a fan blade gear, a fan blade shaft and fan blades. The saw-tooth drive plate is attached to the top of the spring loaded hand grip. Squeezing the spring loaded hand grip by a hand drives the saw-tooth drive plate against the lower drive gear which in turn drives the upper drive gear forward to be meshed against the fan blade gear and causes the upper drive gear and the fan blade gear to rotate. Releasing the spring loaded hand grip allows the upper drive gear and the fan blade gear to be unmeshed and continue rotating. The fan blade gear is attached to the fan blade shaft to allow for continuous rotation of the fan blades through the squeezing and releasing of the spring loaded hand grip to create a cooling breeze.

Inventor: Lawrence Edward THOMASSON
USPTO Applicaton #: #20120315161 - Class: 417313 (USPTO) - 12/13/12 - Class 417 
Pumps > Combined

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The Patent Description & Claims data below is from USPTO Patent Application 20120315161, Portable mechanical fan.

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The present application is a continuation-in-part application of, and claims a priority to the U.S. Non-provisional Application No. 12/077,332 filed on March 19, 2008, which claims a priority to U.S. 60/907,083 filed on 3-19-2007.


1. Field of the Invention The present invention relates to a portable hand held fan, and more particularly relates to an improved portable mechanical fan.

2. Description of the Prior Art

The art field relative to the invention, development and engineering of the portable hand held fan is well established. From the 1800\'s into the early part of the 1900\'s came the development of the portable mechanical fan. The early 1900\'s then developed into the portable electric fans which are today commercially manufactured in numbers too large to count. Such designed portable fans, being either mechanically or electrically operated, are intended to be held by the user by a formed hand grip of some type with the fan blades facing the user. Such portable fans are intended to be mechanically or electrically operated for the cooling breeze that the device provides to the user.

It is accordingly a primary objective of the invention to be utilized as a hand held fan by the user.

This is achieved by a spring loaded squeeze handle on the body portion, which is squeezed and released causing a gear system to mesh together and thus causing the four fan blades to rotate.



In accordance with the invention, in summary, the present invention provides an improved mechanical portable fan device which is intended to be utilized as a hand held unit by the user. In the preferred embodiment, a spring loaded squeeze handle on the body portion is squeezed and released causing a gear system to mesh together and thus causing the four fan blades to rotate. The device is further designed such that once the four fan blades are in motion they will continue to rotate freely between the squeezing and releasing actions of the spring loaded handle allowing the user to enjoy the cooling effects of the fan device.

A further feature of the preferred embodiment of the invention is the addition of the scent canister mounted at the heart of the four fan blades. The scent canister has a twist top that can be removed to either add scent drops to the mini sponge or to replace the mini sponge with a scent stick. Upon the operation of the fan device, the user will have the added benefit of a scented breeze. In this manner, the fan might not only be used as a cooling device, but also as an air freshening device as well.

This device was designed for its simplicity of operation and the fact that it can be manufactured from recycled materials being metal and plastic, or all together plastic. There are no toxic batteries needed for its operation and no toxic batteries to dispose of, such as used by the present portable fan devices. This fan device also comes with a scent canister. Aromatic scents may be added for purely refreshing breezes, or scents such as Vicks® may be added for therapeutic purposes and may assist people with clearer breathing along with the added cooling breeze effect. A further embodiment is that the physical operation of this fan device may improve wrist, hand and finger strength which may in turn assist with better coordination and dexterity of the stated same.

This mechanical fan device was designed with the intent to be used at outdoor sporting events or concerts where temperatures might be high and the cooling breeze generated by this fan device might provide some cooling relief from the heat. This mechanical fan device could also be color coded with attached decals to match any athletic team\'s color whether it is professional or amateur such as for football, baseball, soccer, tennis, golf, or any other outdoor summer sporting or amusement park event, etc. There will be no expensive batteries to run down with the need to be replaced over and over again.

Additional objectives and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and advantages of the invention will be realized and attained by means of the elements and combinations particularly pointed out in the appended claims.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate one (several) embodiment(s) of the invention and together with the description, serve to explain the principles of the invention.


FIG. 1 is a side elevation plan view showing the inside view of the portable mechanical fan device of the present invention; and

FIG. 2 is a top elevation plan view showing the inside top view of the portable mechanical fan device of the present invention.


Reference will now be made in detail to the present embodiment (exemplary embodiments) of the invention, Examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

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