Mattress pad for vehicle having light members

Information

  • Patent Grant
  • 6718576
  • Patent Number
    6,718,576
  • Date Filed
    Thursday, January 30, 2003
    21 years ago
  • Date Issued
    Tuesday, April 13, 2004
    20 years ago
Abstract
A mattress pad for vehicle includes a pad member, and a light device having one or more light members attached to the pad member, to generate light through the pad member, and to light or illuminate the inner portions of vehicles, particularly the dark inner portion of the vehicle. The pad member includes one or more swellings each having a space to receive the light member, and each having one or more flanges to engage with and to retain the light members in the swellings of the pad member. The light members each may include a cover secured onto a base to receive one or more circuit boards and one or more light elements.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to a mattress pad for vehicle, and more particularly to a mattress pad for vehicle having light members for lighting or illumination purposes.




2. Description of the Prior Art




Various kinds of typical mattress pads have been developed for attaching to floor portions of vehicles. However, the typical mattress pads have no light members and may not generate warning lights. Normally, the floor portions of the vehicles may be dark, particularly during the night, such that people may not clearly see the inner portion of the vehicle during the night.




The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional dark inner portions of vehicles.




SUMMARY OF THE INVENTION




The primary objective of the present invention is to provide a mattress pad for vehicle including a number of light members for generating lights to light or illuminate the inner portions of vehicles.




In accordance with one aspect of the invention, there is provided a mattress pad for vehicle comprising a pad member, and a light device attached to the pad member, to generate light through the pad member, and for generating lights to light or illuminate the inner portions of vehicles. Particularly, the light generated by the light device may be used to light the dark inner portion of the vehicle.




The pad member includes a bottom portion, the light device includes at least one light member attached to the bottom portion of the pad member. The pad member includes at least one swelling provided therein and having a space formed in the swelling to receive the light member.




The pad member includes an opening formed in the swelling and communicating with the space of the swelling to receive the light member. The pad member includes one or more flanges extended into the space thereof to engage with the light member, and to retain the light member in the swelling of the pad member.




The light member includes a base, a circuit board attached to the base and having at least one light element disposed thereon. The circuit board includes at least one terminal provided thereon, and a flexible and electrical cable coupled to the terminal of the circuit board.




The base of the light member includes an upper portion, and the light member includes a cover secured onto the upper portion of the base, to form and define a chamber within and between the cover and the base.




Further objectives and advantages of the present invention will become apparent from a careful reading of the detailed description provided hereinbelow, with appropriate reference to the accompanying drawings.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a partial perspective view of a vehicle including one or more mattress pad in accordance with the present invention each having a number of light members attached or secured thereto for lighting or illuminating purposes;





FIG. 2

is an upper plan view of the mattress pad for the vehicle;





FIG. 3

is a partial exploded view of the mattress pad for the vehicle;





FIG. 4

is an enlarged partial perspective view of the mattress pad, in which a portion of the mattress pad is cut off for showing the inner structure of the mattress pad;





FIG. 5

is a partial cross sectional view of the light members, taken along lines


5





5


of

FIG. 2

;





FIG. 6

is a partial bottom plan view of the mattress pad for the vehicle;





FIG. 7

is a partial exploded and cross sectional view of the light members,





FIG. 8

is a perspective view illustrating the other shape of the light members for attaching to the mattress pad for the vehicle;





FIG. 9

is an upper plan view of the mattress pad similar to

FIG. 2

, illustrating the other arrangement or contour of the mattress pad;





FIG. 10

is a partial exploded view similar to

FIG. 3

, illustrating the further arrangement or structure of the mattress pad;





FIG. 11

is a partial cross sectional view of the mattress pad as shown in

FIG. 10

;





FIG. 12

is a partial cross sectional view of the mattress pad illustrating the still further arrangement or structure of the mattress pad; and





FIG. 13

is an enlarged partial cross sectional view of the


3


mattress pad as shown in FIG.


12


.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT




Referring to the drawings, and initially to

FIGS. 1-7

, a mattress pad for a vehicle


70


in accordance with the present invention comprises a pad body


10


to be disposed in the floor portion of the vehicle


70


, and including one or more upwardly curved or convex swellings


11


formed or extended upwardly therefrom, and a light device


20


having a number of light members


22


to be arranged and secured onto or into the bottom of the pad body


10


, or engaged into the swellings


11


of the pad body


10


, for generating light to light the inner portion of the vehicle


70


.




As shown in

FIGS. 3-7

, the pad body


10


includes a space


17


formed in each of the swellings


11


to receive the respective light member


22


therein, and an opening


18


formed therein and communicating with the space


17


thereof, and one or more flanges


12


extended into the opening


18


of each of the swellings


11


, to form or define one or more gaps


19


between the flanges


12


. The pad body


10


is made of rubber or plastic or resilient materials, such that the pad body


10


and the flanges


12


are flexible. The flanges


12


may engage with the light members


22


, to detachably retain the light members


22


within the spaces


17


of the swellings


11


respectively.




The light members


22


of the light device


20


are separate individuals and are flexibly coupled together with flexible and electrical wires or cables


21


, such that the light members


22


of the light device


20


may be easily arranged and engaged into the selected swellings


11


of the pad body


10


of the mattress pad. The pad body


10


and/or the swellings


1


I


1


of the pad body


10


are made of transparent or semi-transparent materials, for allowing the lights generated by the light members


22


to emit through the pad body


10


and/or the swellings


11


of the pad body


10


.




The light members


22


of the light device


20


each includes a planar base


23


, and a curved and transparent or semi-transparent or convex cover


24


secured onto the upper portion of the planar base


23


by such as ultrasonic welding processes, in order to form or define a chamber


25


within or between the planar base


23


and the curved cover


24


.




A circuit board


26


is engaged in the chamber


25


of each of the light members


22


of the light device


20


, and preferably engaged with or contacted with the base


23


, and includes one or more light elements


27


, such as light emitting diodes, liquid crystal displays, illuminant materials, etc. secured thereon, for generating warning lights, for example.




The circuit boards


26


each may further include one or more conductors or terminals


28


provided thereon for electrically coupling to the flexible and electrical wires or cables


21


, which may be coupled to the electric power source of the vehicle or to the batteries, for energizing the light members


22


of the light device


20


. The electric cables


21


may be received in or engaged through the opening


18


of each of the swellings


11


, and/or the gaps


19


formed or defined between the flanges


12


.




The light members


22


of the light device


20


may be shaped or arranged in the circular shape or outer contour as shown in

FIGS. 1-3

. As shown in

FIG. 8

, the light members


22


of the light device


20


may also be shaped or arranged in the other shapes or outer contours, such as the star shape as shown in

FIG. 8

, or the other geometric shapes or contours or patterns.




It is preferable that the bases


23


and the covers


24


of the light members


22


of the light device


20


are made of flexible materials, for allowing the light members


22


of the light device


20


to be slightly deformed and for preventing the light members


22


from being broken after being stepped or depressed by users.




Referring next to

FIG. 9

, the pad body


10


may include a number of swellings


11


formed or provided therein, and the light members


22


of the light device


20


may be engaged into any or selected swellings


11


, and may be arranged into any selected pattern.




Referring next to

FIGS. 10 and 11

, the pad body


10


may include a number of orifices


15


formed or provided therein, to partially receive the light members


22


of the light device


20


, and for allowing the light members


22


of the light device


20


to be partially extended or exposed through the orifices


15


of the pad body


10


respectively.




Referring next to

FIGS. 12 and 13

, the pad body


10


may include a planar upper surface, and may include a number of projections


13


and arcs


14


extended downwardly therefrom, to form the spaces


17


in the arcs


14


respectively (FIGS.


11


-


13


), and to receive the light members


22


of the light device


20


respectively.




Accordingly, the mattress pad for vehicle in accordance with the present invention includes a number of light members that may be engaged into the pad body for generating lights to light or illuminate the inner portions of vehicles.




Although this invention has been described with a certain degree of particularity, it is to be understood that the present disclosure has been made by way of example only and that numerous changes in the detailed construction and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as hereinafter claimed.



Claims
  • 1. A mattress pad for vehicle comprising:a pad body including a bottom portion, and a light device including at least one light member attached to said bottom portion of said pad body, to generate light through said pad body, said pad body including at least one swelling provided therein and having a space formed in said at least one swelling to receive said at least one light member.
  • 2. The mattress pad for vehicle as claimed in claim 1, wherein said pad body includes an opening formed in said at least one swelling and communicating with said space of said at least one swelling to receive said at least one light member.
  • 3. The mattress pad for vehicle as claimed in claim 1, wherein said pad body includes at least one flange extended into said space thereof to engage with said at least one light member, and to retain said at least one light member in said at least one swelling of said pad body.
  • 4. The mattress pad for vehicle as claimed in claim 3, wherein said pad body includes at least one second flange extended into said space thereof to engage with said at least one light member, and to define a gap between said at least one flange and said at least one second flange.
  • 5. A mattress pad for vehicle comprising:a pad body including a bottom portion, and a light device including at least one light member attached to said bottom portion of said pad body, to generate light through said pad body, said at least one light member including a base, a circuit board attached to said base and having at least one light element disposed thereon.
  • 6. The mattress pad for vehicle as claimed in claim 5, wherein said circuit board includes at least one terminal provided thereon, and a flexible and electrical cable coupled to said at least one terminal of said circuit board.
  • 7. The mattress pad for vehicle as claimed in claim 5, wherein said base of said at least one light member includes an upper portion, and said at least one light member includes a cover secured onto said upper portion of said base, to form and define a chamber within and between said cover and said base.
US Referenced Citations (2)
Number Name Date Kind
6481877 Bello, Jr. Nov 2002 B1
20030002273 Anderson et al. Jan 2003 A1
Foreign Referenced Citations (3)
Number Date Country
2001088597 Apr 2001 JP
2001341571 Dec 2001 JP
2002225500 Aug 2002 JP