Knitting structure of power-supply wires in ornamental lamp

Information

  • Patent Grant
  • 6184629
  • Patent Number
    6,184,629
  • Date Filed
    Thursday, March 23, 2000
    24 years ago
  • Date Issued
    Tuesday, February 6, 2001
    24 years ago
Abstract
A knitting structure of power-supply wires in ornamental lamp, which mainly comprises several lamp strings in parallel to form into a large net-shaped ornamental lamp; the sockets of every lamp string are connected, in series, with a plurality of short power-supply wires to form into a single-wire lamp string; the short power-supply wires in each single-wire lamp string are twisted together with a knitting cord from the first socket to the last socket thereof so as to form into a lamp string assembly having a better tensile strength.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




This invention relates to a Christmas lamp, and particularly to a knitting structure of power-supply wires in ornamental lamp.




2. Description of the Prior Art




In the conventional lamp strings for Christmas ornament, the ornament usually comprises an independent power-supply wire connected, in series, with a plurality of sockets, and the last socket on the tail end thereof is connected with an independent wire. Two independent power-supply wires are then twisted together to form into a lamp string; all the sockets in one lamp string are mounted with bulbs respectively so as to form into a lamp string for Christmas ornament.




The conventional lamp string for Christmas ornament can also be mounted on a wall surface or a wide plane; as shown in

FIG. 10

, a plurality of lamp strings are connected with and under a main power-supply cable. The two independent power-supply wires of every lamp string are not twisted; the sockets of two adjacent lamp strings are arranged in intersection shape. The independent power-supply wire of one lamp string and the sockets of another lamp string are held together by means of a clasper so as to knit all the lamps into a network of ornament; the aforesaid prior art is published in U.S. Pat. No. 5,775,802; the independent power-supply wires of the prior art are hung under the main power-supply cable; the number of strands of the power-supply wire and the diameter thereof have been increased properly so as to withstand pulling unintentionally.




In another conventional network of ornamental lamp strings as shown in

FIG. 11

, it comprises a plurality of twisted lamp strings to be connected with a main power-supply cable; all the lamp strings are hung under the main power-supply, and the sockets of two adjacent lamp strings are arranged in intersection shape, and then the sockets of one lamp string and the power-supply wire of an adjacent lamp string are fastened together by means of claspers so as to form into a network of ornamental lamp strings; finally, a socket on the tail end of every two adjacent lamp strings will be unable to hold stably as a result of the intersection arrangement, and that socket is subject to swaying in the wind.




SUMMARY OF THE INVENTION




The prime object of the present invention is to provide a knitting structure of power-supply wires in ornamental lamp, in which every lamp string includes a plurality of sockets connected in series by means of a plurality of short power-supply wires, and then the lamp string is twisted together with a knitting cord without copper wire to form into an elongate lamp string; a plurality of lamp strings can be knitted into an ornamental lamp as desired so as to save the use of copper wire which is usually used as power-supply wire.




Another object of the present invention is to provide a knitting structure of power-supply wires in ornamental lamp, in which a loop type of ornamental lamp is knitted by using a plurality of short power-supply wires to connect in series, from the first socket to the second socket respectively and so on, almost simultaneously a knitting cord without copper wire is used to twist the lamp string together to form into a lamp string assembly; then, the last socket thereof is connected with a main power-supply wire and a plug so as to provide a lamp string having a better tensile strength, of which the knitting method is the same as that of the conventional lamp string, and it can be knitted simply and conveniently.




Still another object of the present invention is to provide a knitting structure of power-supply wires in ornamental lamp, in which the short power-supply wires connected in series between every two sockets form into a single-wire lamp string, which is then twisted together with a knitting cord to form into a lamp string assembly; since the lamp string assembly includes a knitting cord without copper wire, it will have a better tensile strength.




A further object of the present invention is to provide a knitting structure of power-supply wires in ornamental lamp, in which the lamp strings twisted with the knitting cords are separated and hung down; a knitting cord without copper wire is used to connect two adjacent lamp strings with a cross-connecting method so as to form into a lamp net; then, several lamp strings may be knitted in parallel to form into a large ornamental lamp net.




A still further object of the present invention is to provide a knitting structure of power-supply wires in ornamental lamp, in which every two adjacent sockets in each lamp string are connected in series with a short power-supply wire, and then a knitting cord without copper wire is used to twist the lamp string to form into an elongate lamp string; an independent power-supply wire is connected with the last socket of the lamp string so as to form into an elongate lamp string. Before the length of the independent power-supply wire is determined, the lamp string can be used to knit into a large lamp string, such as an ornamental lamp net or an ornamental screen light.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a plan view of the present invention, showing the first embodiment of a lamp net thereof.





FIG. 2

is a plan view of the present invention, showing the second embodiment of a lamp net thereof.





FIG. 3

is a plan view of the present invention, showing a lamp string in a lamp net of the first embodiment.





FIG. 4

is a plan view of the present invention, showing a lamp string in a lamp net of the second embodiment.





FIG. 5

is a perspective view of the present invention, showing the knitting relation between the power-supply wires and the knitting cord.





FIG. 6

is a perspective view of the present invention, showing the twisting and knitting relation between the two knitting cords and the sockets.





FIG. 7

is a perspective view of the present invention, showing the knitting relation between the sockets and the knitting cord by using a fastening ring.





FIG. 8

is a perspective view of the present invention, showing the knitting relation between the socket and the knitting cord by using a clamp groove beside the socket.





FIG. 9

is a plan view of the present invention, showing an embodiment used as a curtain light.





FIG. 10

is a plan view of a conventional lamp net, showing a fragmental knitting structure thereof.





FIG. 11

is a plan view of a conventional lamp net, showing a fragmental knitting structure thereof.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT




Referring to

FIGS. 1

,


3


,


5


to


7


, the present invention relates to a knitting structure of power-supply wires in ornamental lamp


11


, which comprises several lamp strings


12


A,


12


B and


12


C; each lamp string


12


includes two power-supply wires


13


connected with a plug; for instance, the first lamp string


12


A has a main power-supply wire


13


A with a copper terminal to be plugged into a plug groove of the first socket


14


A; simultaneously, a main power-supply wire


13


C extends out of the socket is connected with the second lamp string


12


B, and then another main power-supply wire


13


B with a copper terminal is plugged into a plug groove of the last socket


14


B of the first lamp string


12


A so as to provide the first lamp string


12


A with a power-supply; simultaneously, another main power-supply wire


13


D extends out of the plug groove to connect with the second lamp string


12


B. Each lamp string


12


of the ornamental lamp


11


is assembled with a plurality of sockets


14


connected one another in series by using a plurality of short power-supply wires


18


so as to form into a single-wire lamp string


30


, in which the knitting cord


29


without copper wire is twisted together with the lamp string for increasing the tensile strength of the lamp string


12


; then, a knitting cord


19


without copper wire and a fastening ring


17


are used for knitting a plurality of lamp strings


12


into a lamp net as an ornament.




As shown in

FIGS. 3

,


5


and


6


, the first lamp string


12


A is formed by means of sockets


14


and a plurality of short power-supply wires


18


, and each short power-supply wire is connected with two sockets


14


so as to knit into a single-wire lamp string


30


; each socket


14


in the lamp string


30


is substantially a conventional socket. The lower part of the socket


14


is furnished with a rectangular base


20


, which is mounted with a fastening ring


17


; one side of the fastening ring has a clamp groove for retaining a short power-supply wire


18


or a knitting cord


29


. The lower end of the socket


14


has a plug hole for receiving a copper terminal of the power-supply wire


18


, and then the copper terminal will be plugged into the plug groove before a bulb base


21


having a bulb


15


to be plugged therein. A plurality of short power-supply wires


18


and a plurality of sockets


14


are connected together in series to form into a single-wire lamp string


30


, of which the first socket


14


A and the last socket


14


B are connected with two main power-supply wires


13


A and


13


B respectively so as to form into an independent lamp string


12


A.




Before the ornamental lamp


11


being completed, the single-wire lamp string


30


of every lamp string


12


must be furnished with a plurality of short power-supply wires


18


and a plurality of sockets


14


to be connected together in series; a given number of sockets


14


must be furnished for an ornamental lamp


11


. As shown in

FIG. 1

, the ornamental lamp


11


requires 150 sockets


14


, which are connected in wires with a plurality of short power-supply wires


18


so as to form into a long and single-wire lamp string


30


. In order to increase the tensile strength of the single-wire lamp string


30


, a knitting cord


29


without copper wire is twisted together with the short power-supply wire


18


of the single-wire lamp string


30


; since the lamp string assembly


16


with a knitting cord


29


could have additional tensile strength, the power-supply wire of the ornamental lamp


11


will also have a better tensile strength.




The knitting cord


29


without copper wire is made of plastic cord; as shown in

FIGS. 1

,


3


,


5


, to


7


, the knitting cord


29


is twisted together with the single-wire lamp string


30


from the eleventh socket


14


to the last


10


sockets thereof so as to form into a lamp string assembly


16


. During twisting the knitting cord


29


and the single-wire lamp string


30


, every socket


14


is not mounted with a bulb


15


so as to facilitate a twisting machine to twist the same together to form into a lamp string assembly


16


. When the knitting cord


29


and the single-wire lamp string


30


are twisting together, the main power-supply wire of every lamp string


12


has a plug terminal, which is used for connecting the short power-supply wire


18


; as soon as the single-wire lamp string


30


and the knitting cord


29


are twisted into a lamp string assembly


16


, the main power-supply wire


13


will be connected with the socket


14


to form into a lamp string


12


.




As shown in

FIGS. 2 and 4

, the knitting cord


29


is started to twist with the single-wire lamp string


30


from the first socket


14


A until the last socket


14


B of the last lamp string so as to complete a lamp string assembly


16


.




In a lamp string


12


, every two sockets


14


are connected with a short power-supply wire


18


before being twisted with the knitting cord


29


without copper wire; then, each lamp string


12


can withstand hard pull so as to prevent the short power-supply wire


18


between two sockets


14


from being pulled apart.




As shown in

FIGS. 1

,


3


and


6


, the single-wire lamp string


30


is done by means of a plurality of short power-supply wires


18


connected, in series, with a plurality of sockets


14


; to knit a lamp net, the knitting cord


29


is connected first with the eleventh socket


14


to twist together with the single-wire lamp string


30


until the last ten (10) sockets


14


of the ornamental lamp


11


; the first socket to the tenth socket are connected together in series to form into the first lamp assembly


31


A of a lamp net. The eleventh socket to 20


th


socket are connected together to form into the second lamp assembly


31


B, while the 21


st


socket to the 30


th


socket are connected together to form into the third lamp assembly


31


C, and so on. The last another knitting cord


19


is started to mount on the last socket


14


C through a clamp groove


23


A in the fastening ring


17


on one side of the socket


14


C; then, the knitting cord


19


is pulled, at a diagonal, towards the second socket


14


D of the second lamp assembly


31


B, and then is mounted in a clamp groove


23


B on one side of the socket


14


D; then, the knitting cord


19


is pulled, at a diagonal, towards the third socket


14


E of the first lamp assembly


31


A, and is mounted in a clamp groove


23


A on one side of the third socket


14


E; likewise, the first and the second lamp assemblies


31


A and


31


B can also be done with the aforesaid method. The knitting cord


19


can be pulled from the second lamp assembly


31


B to the upper part of the third lamp assembly


31


C before knitting the sockets respectively in the second and the third lamp assemblies


31


B and


31


C so as to complete a lamp net. The knitting cord


19


without copper wire is then pulled back to knit together with the main power-supply wires


13


of all the lamp strings


12


so as to form into a lamp net as an ornament. The knitting cords


19


and


29


can surely increase the tensile strength of the single-wire lamp string


30


, and the inner and outer structure of the lamp net.




Both knitting cords


19


and


29


are made of plastics without copper wire; as shown in

FIGS. 5

to


7


, the knitting cord


19


is shown with a single cord.




The lamp net includes several lamp strings


12


, of which each includes:




A short power-supply wire


18


is connected between two sockets


14


, and a plurality of short power-supply wires are used for connecting a plurality of sockets


14


respectively so as to form into a single-wire lamp string


30


. The sockets


14


on both ends of every single-wire lamp string


30


are connected with the main power-supply wire


13


and a plug respectively.




The knitting cord


29


and a single-wire lamp string


30


are twisted together so as to form into a lamp string assembly


16


having considerable tensile strength.




A fastening ring


17


selected is to be mounted on the rectangular base


20


of the socket


14


; both sides of the fastening ring


17


are furnished with two clamp grooves


23


for fastening the knitting cord


19


and the lamp string assembly


16


in place.




The knitting cord


19


will be connected with the socket


14


as soon as the fastening ring


17


is mounted on the rectangular base


20


of the socket


14


, and then a lamp net is completed.




As shown in

FIG. 8

, the socket


14


of the present invention is substantially a conventional socket to be plugged in the bulb base


21


of the socket


14


, of which both sides are furnished with two symmetrical retaining rings


27


respectively; one retaining ring


27


A with a clamp groove


22


A is used for holding a short power-supply wire


18


or a knitting cod


29


, while the other retaining ring


278


is used for holding a knitting cord


19


in the clamp groove


22


B so as to have a single-wire lamp string


30


mounted with a plurality of sockets


14


twisted together with the knitting cord


29


, and to form into a lamp string assembly


16


. When the bulb base


21


is plugged in the socket


14


, the retaining ring


27


, the lamp string assembly


16


and the knitting cord


29


will be knitted together to form into an ornamental lamp net.




Referring to

FIG. 9

, it shows an embodiment of an ornamental screen light; such an ornamental lamp


11


includes two main power-supply wires


13


connected with a plurality of lamp strings


12


. The sockets


14


in every lamp string, such as


12


A,


12


B and


12


C, are connected in series with a plurality of short power-supply wires


18


respectively in a regular sequence to form into a single-wire lamp string


30


; every single-wire lamp string


30


in lamp strings


12


A,


12


B and


12


C is twisted together with a knitting cord


29


without copper wire. Both ends of every lamp string, such as


12


A,


12


B and


12


C, are connected with two main power-supply wires


13


, which is then connected with a plug. Each of the lamp strings


12


A,


12


B and


12


C has its reverse points (shown with “X”), and it is bundled up in place to form into lamp strings


12


A,


12


B and


12


C, which are to be hung in place by means of the two ends of the knitting cord


29


to connect with a hook or ring so as to have the ornamental screen light hung in place. The knitting cord


29


without copper wire used to hang the ornamental lamp


11


has an advantage of preventing the power-supply wires form being pulled off as a result of the weight of the lamp strings


12


.




According the description of the aforesaid embodiment, the knitting structure of the power-supply wires for the ornamental lamp has been disclosed completely, and it includes a plurality of short power-supply wires


18


connected in series with a plurality of sockets


14


to form into a single-wire lamp string


30


; then, single-wire lamp strings is twisted with a knitting cord


29


without copper wire to form into a lamp string assembly


16


. According to the knitting method of an ornamental lamp


11


, the lamp string assemblies


16


are knitted together with a knitting cord


19


in a cross-connecting method to form into a net-shaped ornamental lamp


11


; since the knitting cord


29


can provide a given tensile strength, it can also increase the tensile strength of the power-supply wires of the ornamental lamp


11


.



Claims
  • 1. A knitting structure of power-supply wires in ornamental lamp comprising mainly several lamp strings connected in parallel to knit into a large net-shaped ornamental lamp, and each said lamp string including:a plurality of short power-supply wires and each said wire connected between two sockets so as to form into a single-wire lamp string, of which the first and the last sockets connected with two main power-supply wires respectively and a plug; a knitting cord without copper wire twisted with, from the first socket, said short power-supply wires of said single-wire lamp string so as to form into a lamp string assembly having a better tensile strength; both ends of said lamp string left with a suitable length of knitting cords; a fastening ring mounted on a rectangular base of said socket, and both sides of said fastening ring furnished with clamp grooves for receiving and positioning said knitting cords respectively; said knitting cord without copper wire mounted between said lamp string assemblies, and twisted from the first socket of a lamp string, and mounted via clamp grooves between two diagonal sockets of two adjacent lamp string assemblies until the last socket of said lamp string assembly.
  • 2. A knitting structure of power-supply wires in ornamental lamp as claimed in claim 1, wherein knitting and positioning structure are done by means of two symmetrical retaining rings on both sides of said socket, and said retaining rings used for retaining said short power-supply wires or knitting cord of said lamp string assembly.
  • 3. A knitting structure of power-supply wires in ornamental lamp comprising several lamp strings connected together in parallel to form into a large ornamental screen light, and each said lamp string including:a short power-supply wire connected between two sockets, and a plurality of said short power-supply wires connected between every two sockets respectively to form into a single-wire lamp string, of which the first socket and the last socket connected with two main power-supply wires respectively and a plug; a knitting cord without copper wire twisted with said first socket of said single-wire lamp string so as to form into a lamp string assembly with a better tensile strength; both ends of said lamp string assembly left a suitable length of knitting cord; a reverse point of said lamp string being bundled up as a fastening point; said knitting cords left on both ends of said lamp string assembly to be connected with a hook or a ring.
US Referenced Citations (2)
Number Name Date Kind
4870547 Crucefix Sep 1989
5775802 Kuo Jul 1998