Chairs and seats – Bottom or back – Having fluent material
Reexamination Certificate
2000-02-22
2001-03-27
Nelson, Jr., Milton (Department: 3636)
Chairs and seats
Bottom or back
Having fluent material
C297S217300
Reexamination Certificate
active
06206475
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to an inflatable cushion, and particularly to an inflatable cushion with a vibration-massage device.
2. Description of the Prior Art
The conventional inflatable cushion is made of PVC or PU, being thermo-glued together; for a larger cushion, a pull belt is used for connecting the upper part and the lower part thereof so as to prevent the cushion from deformation. The cushion can be formed in different shapes, such as a mattress or a sofa, in accordance with the use desired.
In the chair-massage cushion, several massage devices are mounted on the inner surface of the back surface of the chair cushion; every massage device has its power supply wires connected to the outer part thereof. The operation massage device is controlled with a controller, and the back of a person will be massaged upon contacting with the cushion.
The conventional chair-massage cushion is made of an artificial leather; a massage device can be mounted directly on the inner surface of the back surface, or mounted in a sponge. As soon as the artificial leathers are sewed up, the chair-massage cushion will be ready for operation. The same structure can be used for a massage mattress.
A conventional chair-massage cushion has a back surface with a small hole for mounting a vibration device; the inner surface of the back surface has a piece of leather for wrapping up a vibrator; the power-supply wires of the vibrator are pulled out of the small hole. When the back surface of the chair-massage cushion is mounted with several vibrators, the power-supply wires thereof will also be pulled out of the small hole, i.e., the back surface is laid with a plurality of power-supply wires.
SUMMARY OF THE INVENTION
The prime object of the present invention is to provide an inflatable cushion for a person to sit or to lie on. The inner surfaces of the seat surface and the back surface of the cushion are mounted with at least two massage devices respectively. The lower piece of the wrappage member of the massage device has a thermo-glued surface to be glued together with the inner surface of the back surface so as to have the vibration assembly hung upon a spot to provide massage. The power-supply wires of the vibration assembly are pulled out of a wire-hole base through an extension belt at one side of the wrappage member, and then the belt is glued to the wire-hole base so as to facilitate the power-supply wires to pull out of cushion.
Another object of the present invention is to provide an inflatable cushion, in which the wrappage member of the massage device includes a top piece and a lower piece; the top and lower pieces are formed into a guide tube by gluing the thermo-glued lines together in parallel. On the vibrator, the cover surface of the top piece is smaller than that of the lower piece; after the two cover surfaces are glued together, the power-supply wires are pulled out of the extension belt.
Still another object of the present invention is to provide an inflatable cushion, in which the wrappage member includes an upper cover surface and a lower-cover surface; the edge part of the lower piece is larger than that of the top piece; the large portion of the edge part is used as a thermo-glued surface upon the wrappage member being glued to the inner surface of the back surface; after the thermo-glued surfaces are glued together, the vibration assembly will be hung at a given position on the inner surface of the back surface.
A further object of the present invention is to provide an inflatable cushion, in which the back surface of the cushion can be mounted with several massage device; in that case, the top and lower pieces for wrapping the vibration assembly are furnished with cover surfaces for thermo-glued connection so as to have several vibrators wrapped in serial bags; then, the outer edge of the thermo-glued surface of the cover surface of the vibration assemblies is glued with the inner surface of the back surface so as to facilitate the back surface to be mounted with several massage devices simultaneously.
A still further object of the present invention is to provide an inflatable cushion, in which the massage device glued on the inner surface of the back surface is furnished with an extension belt to enable the power-supply wires of the vibration assembly to be pulled out; the end of the extension belt is thermo-glued to a wire-hole base so as to have the power-supply wires pulled out without affecting the perfectness of the back surface of the cushion.
Yet another object of the present invention is to provide an inflatable cushion, in which the vibration assembly in the wrappage member will vibrate upon a person's back being in close contact with the back surface of cushion; in addition, the space between the cushion pieces will also have a resonant effect to buffer the vibration frequency of the vibration assembly in order to provide a comfortable massage effect.
REFERENCES:
patent: 4099773 (1978-07-01), Chang
patent: 5713631 (1998-02-01), O'Neill et al.
patent: 5792082 (1998-08-01), Yamanaka et al.
patent: 6024407 (2000-02-01), Eakin
patent: 6042186 (2000-03-01), Kojic et al.
patent: 6053880 (2000-04-01), Sleichter, III
Dougherty & Troxell
Jr. Milton Nelson
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