Silent dart board

Information

  • Patent Grant
  • 6659465
  • Patent Number
    6,659,465
  • Date Filed
    Friday, April 12, 2002
    22 years ago
  • Date Issued
    Tuesday, December 9, 2003
    21 years ago
  • Inventors
  • Examiners
    • Graham; Mark S.
    Agents
    • Baxley; Charles E.
Abstract
A dart board includes a backing plate with a frame connected thereto and a plurality of ribs on the frame so as to define a plurality of partitions in which a plurality of blocks are movably received respectively. Each block has flexible convex portions which contact an inside of the ribs defining the partition when the block is hit by darts. A plurality of spring members are connected between the backing plate and the blocks so as to bounce the blocks back after the impact disappears.
Description




FIELD OF THE INVENTION




The present invention relates to a dart board that does not generate noise when the blocks are hit by the darts.




BACKGROUND OF THE INVENTION




A conventional dart board is shown in FIG.


6


and generally includes a frame


10


which is connected on a backing plate


13


and a plurality of electronic members


12


are connected on the backing plate


13


. The frame


10


includes a plurality of partitions separated by ribs on the frame


10


and each partition receives a block


11


therein. A dart


14


hits one of the blocks


11


and the block


11


being hit moves toward the backing plate


13


and activates the electronic members


12


so as to display scores that the throw gains. It is necessary to maintain a gap between the inside of the partitions and the blocks


11


so that the blocks


11


are allowed to move toward the backing plate


13


. Nevertheless, noise is generated when the block


11


is moving and the impact between the blocks


11


and the frame


10


no matter what material is used to make the block


11


. Besides, other blocks


11


that do not hit could shake and generate noise. The noise really reduces the feeling of entertainment of the players.




SUMMARY OF THE INVENTION




The present invention relates to a dart board which comprises a backing plate and a frame is connected to the backing plate. A plurality of ribs extend from the frame to define a plurality of partitions in which a plurality of blocks are movably received respectively. Each block has flexible convex portions which contact an inside of the ribs defining the partition. A plurality of spring members are connected between the backing plate and the blocks.




The primary object of the present invention is to provide a dart board that generates no noise when the darts hits the blocks.











The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.




BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is an exploded view to show a block member and a casing of the dart board of the present invention;





FIG. 2

is an exploded view to show the dart board of the present invention;





FIG. 3

is a cross sectional view to show the dart board of the present invention;





FIG. 4

shows that a dart hits the block member of the dart board of the present invention;





FIG. 5

is a top view to show that the block member received in the casing is engaged in a partition of the dart board of the present invention, and





FIG. 6

shows a dart hits a block of a conventional dart board.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT




Referring to

FIGS. 1

to


3


, the dart board of the present invention comprises a backing plate


20


and a frame


30


is connected to the backing plate


20


. A plurality of ribs


31


extend from the frame


30


and define a plurality of partitions


32


in various areas. An electronic plate


21


is connected to the backing plate


20


and located between the frame


30


and the backing plate


20


.




A plurality of blocks


40


are movably received in the partitions


32


respectively and each block


40


comprises a casing


41


in which a block member


42


is received from an open top of the casing


41


. Each casing


41


has a flexile peripheral wall


412


which is expanded by the block member


42


to be the convex portions


43


which contact an inside of the ribs


31


defining the partition. The block members


42


each are made by artificial fibers which are force-fitted in the casing


41


so as to expand the flexible peripheral wall


412


to be the convex portions


43


. Each casing


41


has protrusions


44


extending from an underside thereof.




A plurality of spring members


50


are connected between the backing plate


20


and the blocks


40


. The springs


50


each have a plurality of bosses


51


extending therefrom and electronic pads


52


are sandwiched between each of the bosses


51


and the protrusions


44


. The electronic pads


52


are electrically connected to the electronic plate


21


.




Referring to

FIGS. 4 and 5

, when the block


40


is hit by a dart


80


, the block


40


moves toward the backing plate


20


and the convex portions


43


contact the ribs


31


defining the partition


32


that the block


40


is received during the movement. The block


40


does not shank or impacts the ribs


31


so that noise is not generated. After the impact disappears, the spring member


50


pushes the block


40


back to its original position.




It is to be noted that the block member


42


and the casing


40


can be made to be a one-piece member. The convex portions


43


are still flexible and absorb noise during the movement of the blocks


40


.




While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.



Claims
  • 1. A dart board comprising:a backing plate and a frame connected to the backing plate, a plurality of ribs on the frame and a plurality of partitions defined by the ribs; a plurality of blocks movably received in the partitions respectively and each block having flexible convex portions which contact an inside of the ribs defining the partition, each block comprising a casing in which a block member is received, each casing having a flexile peripheral wall which is expanded by the block member to be the convex portions, and a plurality of spring members connected between the backing plate and the blocks.
  • 2. The dart board as claimed in claim 1, wherein the springs each have a plurality of bosses extending therefrom which contact the block mounted thereto.
  • 3. The dart board as claimed in claim 1, wherein the springs each have a plurality of bosses extending therefrom and each casing has protrusions extending from an underside thereof, the bosses contacting the protrusions.
  • 4. The dart board as claimed in claim 3 further comprising a plurality of electronic pads sandwiched between each of the bosses and the protrusions.
US Referenced Citations (6)
Number Name Date Kind
4239573 Wu Dec 1980 A
5788244 Hui et al. Aug 1998 A
6047968 Lu et al. Apr 2000 A
6116607 Cho Sep 2000 A
6394458 Chang May 2002 B2
6499740 Yiu Dec 2002 B2
Foreign Referenced Citations (1)
Number Date Country
2247629 Mar 1992 GB