Electricity: transmission to vehicles – Flexible extensions – Reels
Reexamination Certificate
1999-06-14
2001-03-13
Le, Mark T. (Department: 3617)
Electricity: transmission to vehicles
Flexible extensions
Reels
Reexamination Certificate
active
06199674
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a wire winding box, and especially to a wire winding box with rewound freely communication cables. Thus, it may be used in various communication device and avoid the improper winding of the cables. Moreover, by the special design, each component can be arranged effectively in space.
Various kinds of wire winding boxes are developed for avoiding the improper winding of cables in communication devices. The structure of the wire winding box includes a housing, two conductive disks, at least one spiral spring, and two communication cables. One of the conductive disks is installed with a plurality of concentric conductive rings with unequal diameters and connected to each conductive wire of a communication cable. Another conductive disk is installed with a plurality of conductive pieces or metal rolling balls which are connected to the conductive wires of another communication cable. One rotary conductive disk is installed with a spiral spring and is wound around by communication cable. Therefore, as two conductive disks are rotated respectively, an electric connection is retained. Thus, the communication cable can be pulled out or rewound. Such kinds of structures have been produced and sold in commercial market, and may be referred to U.S. Pat. No. 5,082,484, Taiwan Patent Nos. 88203835, 8721430, 86221455, etc.
However, the prior art wire winding boxes have some defects, such as winding of communication cables, receiving of the spiral spring, the space arrangement of the conductive piece or metal rolling ball or other important components with respect to the conductive disk which dose not be arranged properly. Thus, in order that these components can be well spaced for avoiding interference, some space must be sacrificed and the wire winding box must be extended laterally. Thus, the wire winding box will be wider or have a large volume. Therefore, it is inconvenient and not beautiful. Moreover, if it is used in the portable device, a big trouble will be induced since it is not easy to be carried.
SUMMARY OF THE INVENTION
Accordingly, the object of the present invention is to provide an improved structure of a wire winding box, wherein the communication cable, spiral spring, and conductive piece or metal rolling ball, etc and other electrically connecting components are arranged on the inner and outer sides of a conductive disk. Thus, the space arrangement is more compact and the width and volume of the wire winding box is greatly reduced so as to have a beautiful outlook.
Another object of the present invention is to provide an improved structure of a wire winding box, the distal end of the communication cable is installed with a microphone and an earphone. Another cable is installed with a plug for being inserted into a mobile phone, a wireless telephone, a phone without holding a receiver, and other communication mainframe. Thus, it may be used in a long distance communication and increase the convenience of communication device.
A further object of the present invention is to provide an improved structure of a wire winding box, by the special buckling structure thereof, as a communication cable is pulled out with a predetermined distance, it will be buckled and the length is fixed temporarily for being used. While another length is pulled out, the buckling effect will be released automatically. Therefore, the user will not be interrupted by the elastic force due to rewind the cable and the required length can be pull out conveniently.
The present invention will be better understood and its numerous objects and advantages will become apparent to those skilled in the art by referencing to the following drawings in which:
REFERENCES:
patent: 3715526 (1973-02-01), Blanch et al.
patent: 3854017 (1974-12-01), Crim
patent: 4713497 (1987-12-01), Smith
patent: 5180040 (1993-01-01), Ji
patent: 5718310 (1998-02-01), Gallo
patent: 5819893 (1998-10-01), Wagner et al.
Le Mark T.
Rosenberg , Klein & Lee
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