Amusement devices – Swing
Reexamination Certificate
2000-11-17
2002-04-09
Nguyen, Kien T. (Department: 3712)
Amusement devices
Swing
Reexamination Certificate
active
06368227
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a method of swinging on a swing.
BACKGROUND OF THE INVENTION
A few basic types of swings have been around for generations. Perhaps the most common is one that includes a seat suspended between two ropes or chains that are hung from a tree branch or other substantially horizontal support. These swings are often found in side-by-side sets of two or three or more on, for example, a school playground.
Young children often need help to climb onto a swing, and may need a push (sometimes even an “underdog” push) to begin swinging. Others may be able to begin the swinging movement on their own by pushing with their feet against the ground, and once moving may coordinate the motion of their legs and body in what may be called “pumping” to sustain the movement of the swing. When swinging in this manner, the user travels along a path as generally shown in the cross-section of FIG.
1
. Another method of swinging on a swing involves twisting the seat around repeatedly so that the chains or ropes are wound in a double helix. When allowed to unwind, the swing spins quickly, which can be entertaining for the user.
These methods of swinging on a swing, although of considerable interest to some people, can lose their appeal with age and experience. A new method of swinging on a swing would therefore represent an advance of great significance and value.
SUMMARY OF THE INVENTION
In accordance with one embodiment of the present invention, a method is provided for swinging on a swing. The swing comprises a seat for supporting a user that is suspended between two chains that are hung from a substantially horizontal tree branch. The method comprises the steps of: a) positioning a user on the seat; and b) having the user pull alternately on one chain to induce movement of the user and the swing toward one side, and then on the other chain to induce movement of the user and the swing toward the other side, to create side-to-side motion. In another embodiment of the invention, the swinging method may be practiced independently by the user to create the side-to-side motion from an initial dead stop. These and other features of the invention are described in greater detail below.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is a schematic top view of the swinging path of a swing used in accordance with conventional swinging methods.
FIG. 2
is a front view of a swinging path of a swing used in accordance with one embodiment of the swinging method of the present invention.
FIG. 3
is a schematic top view of a swinging path of a swing used in accordance with a second embodiment of the swinging method of the present invention.
REFERENCES:
patent: 242601 (1881-06-01), Clement
patent: 5413298 (1995-05-01), Perreault
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