Equipment for croquet

Information

  • Patent Grant
  • 6758767
  • Patent Number
    6,758,767
  • Date Filed
    Tuesday, July 15, 2003
    21 years ago
  • Date Issued
    Tuesday, July 6, 2004
    20 years ago
  • Inventors
  • Examiners
    • Graham; Mark S.
    Agents
    • Rosenberg, Klein & Lee
Abstract
Croquet equipment formed of a mallet, a ball, a hoop and a stake is disclosed in which, the mallet has two vibration switch-controlled light emitting modules detachably mounted in the two ends of the light penetrable head thereof; the ball has a vibration switch-controlled light emitting module detachably mounted in the light penetrable body thereof; the stake has a manual on/off switch-controlled light emitting module detachably mounted in the anchoring point and a light guide axially extended from the light emitting module for guiding light through the periphery of the tubular shaft thereof.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention:




The present invention relates to the game of croquet and, more specifically, to a complete set of equipment for the game of croquet.




2. Description of the Related Art:




Croquet is a game played by striking wooden balls through hoops in the ground, i.e., the equipment for the game of croquet includes at least one mallet


2


having a head


1


for striking, a ball


3


, a hoop


4


, and a stake


5


(see FIG.


1


). When playing the game, hit the ball


3


with the head


1


of the mallet


2


to drive the bait


3


through the hoop


4


(see also FIG.


2


A), or hit the ball


3


with the head


1


of the mallet


2


to move the ball


3


to the stake


5


(see FIG.


2


B). This game is suitable for people of different ages. However, when playing the game in the dark, the player cannot see the moving direction of the ball.




SUMMARY OF THE INVENTION




The present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a set of equipment for croquet, which has the mallet, the ball and the stake respectively mounted with at least one detachable light emitting module for emitting light when playing the game. It is another object of the present invention to provide a set of equipment for croquet, which has the light emitting modules reinforced with metal means against impact.




To achieve these and other objects of the present invention, the set of equipment for croquet is comprised of a mallet, a ball, a hoop, and a stake. The mallet comprises two recessed receiving holes respectively axially extended in two ends of a head thereof, two light emitting modules respectively detachably mounted in the recessed receiving holes and adapted to emit light through the mallet, and two plastic face members respectively capped on the two ends of the head to seal the respective light emitting modules in the recessed receiving holes, the plastic face members admitting light. The ball is molded from light penetrable plastics, comprising an internally threaded and radially extended receiving hole, a light emitting module detachably mounted in the internally threaded and radially extended receiving hole and adapted to emit light through the ball, and a screw cap threaded into the internally threaded and radially extended receiving hole and maintained in flush with the periphery of the ball to hold the light emitting module in the ball. The stake is comprised of a light penetrable tubular shaft, the tubular shaft having a bottom end and a top end, an anchoring point fastened to the bottom end of the tubular shaft, the anchoring point having a hollow neck fastened to the bottom end of the tubular shaft, a cap fastened to the top end of the tubular shaft, a light emitting module mounted in the hollow neck of the anchoring point, and an elongated light guide connected to the light emitting module in the hollow neck of the anchoring point and axially suspended in the tubular shaft.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a sectional view showing a mallet, a ball, a hoop, and a stake for the game of croquet according to the prior art design.





FIG. 2A

is a schematic drawing showing one playing mode of the game of croquet.





FIG. 2B

is a schematic drawing showing a second playing mode of the game of croquet.





FIG. 3A

is an exploded view of a part of a mallet for the game of croquet according to the present invention.





FIG. 3B

is a sectional assembly view of the mallet shown in FIG.


3


A.





FIG. 4A

is an exploded view of a ball for the game of croquet according to the present invention.





FIG. 4B

is a sectional assembly view of the ball shown in FIG.


4


A.





FIG. 5

is an exploded view of a stake for the game of croquet according to the present invention.





FIG. 6

is a sectional assembly view of the stake shown in FIG.


5


.





FIG. 7A

is an exploded view of a light emitting module for the game of croquet according to the present invention.





FIG. 7B

is an elevational assembly view of the light emitting module shown in FIG.


7


A.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT




Referring to FIGS.


3


˜


7


, the invention includes a mallet


10


, a ball


30


, a stake


50


, and light emitting modules


20


respectively installed in the mallet


10


, the ball


30


and the stake


50


.




Referring to

FIGS. 3A and 3B

, the mallet


10


has two recessed receiving holes


11


respectively axially extended in the two ends of the head thereof, which receive a respective light emitting module


20


, two coupling grooves


12


respectively extended around the periphery of the head near the ends, and two plastic face members


13


respectively capped on the ends of the head and fastened to the coupling grooves


12


to seal the respective light emitting modules


20


in the recessed receiving holes


11


. The plastic face members


13


admit light.




Referring to

FIGS. 4A and 4B

, the ball


30


is a solid ball molded from light penetrable plastics, having a radially extended receiving hole


31


, which receives one tight emitting module


20


, an inner thread


32


formed in the radially extended receiving hole


31


, and a screw cap


33


, which closes the radially extended receiving hole


31


. The screw cap


33


has a hollow cylindrical cap body


34


inserted into the radially extended receiving hole


31


to hold the light emitting module


20


inside the ball


30


, and an outer thread


35


extended around the periphery of the cap body


34


and threaded into the inner thread


32


. When installed, the screw cap


33


is maintained in flush with the periphery of the ball


30


.




Referring to

FIGS. 7A and 7B

, the light emitting module comprises a circuit board


21


, the circuit board


21


having two plug holes


24


, a light emitting element, for example, a LED (light emitting diode)


22


installed in the circuit board


21


, a vibration switch


23


installed in the circuit board


21


and adapted to switch on the LED


22


upon a vibration, a metal LED holder frame


25


fastened to the top side of the circuit board


21


to hold the LED


22


in position, the metal LED holder frame


25


having two mounting legs


250


respectively fastened to the plug holes


24


of the circuit board


21


and a center through hole


251


, which accommodates the LED


22


, a metal battery holder frame


27


fastened to the bottom side of the circuit board


21


, the metal battery holder frame


27


having two mounting legs


270


respectively sleeved with a respective insulating sleeve


28


and respectively fastened to the plug holes


24


of the circuit board


21


and respectively soldered to the mounting legs


250


of the metal LED holder frame


25


, and a set of battery cells


26


carried in the metal battery holder frame


27


. The metal LED holder frame


25


, the LED


22


, the circuit board


21


, the set of battery cells


26


and the metal battery holder frame


27


form an electric loop, which is closed/opened by means of the control of the vibration switch


23


. Further, the metal LED holder frame


25


and the metal battery holder frame


27


reinforce the structural strength of the circuit board


21


to bear impact.




Referring to

FIGS. 5 and 6

, the stake


50


is comprised of a tubular shaft


51


, an anchoring point


52


, a cap


53


, and an elongated light guide


54


. The tubular shaft


51


admits light, having a switch hole


510


. The anchoring point


52


has a hollow neck


520


, which is fastened to one end, namely, the bottom end of the tubular shaft


51


, and holds one light emitting module


20


. The light emitting module


20


installed in the stake


50


uses a manual on/off switch


29


to substitute for the aforesaid vibration switch


23


. The elongated light guide


54


is axially suspended in the tubular shaft


51


and fastened to the LED


22


of the light emitting module


20


, which is installed in the hollow neck


520


of the anchoring point


52


. The cap


53


is fastened to the other end, namely, the top end of the tubular shank


51


. When assembled, the manual on/off switch


29


is suspended the switch hole


510


of the tubular shaft


51


for switching by the user.




As indicated above, the light emitting modules


20


are independent devices respectively installed in the mallet


10


, the ball


30


, and the stake


50


. When battery low, the light emitting module


20


can be taken out of the mallet


10


, the ball


30


, or the stake


50


for a replacement after removal of the corresponding plastic face member


13


from the mallet


10


or the screw cap


33


from the ball


30


, or after disconnection of the tubular shaft


51


from the anchoring point


52


.




When moving the mallet


10


to hit the ball


30


, the vibration switches


23


of the light emitting modules


20


in the mallet


10


and the ball


30


are vibrated to intermittently switch on/off the respective LEDs


22


, thereby causing the respective LEDs


22


to flash.




When using the stake


50


, insert a rod member into the switch hole


510


of the tubular shaft


51


to switch on the manual on/off switch


29


of the respective light emitting module


20


before fastening the stake


50


to the ground, causing the LED


22


to emit light. When the LED


22


was turned on, the elongated light guide


54


guides light to pass through the whole area of the periphery of the tubular shaft


51


.




As indicated above, the light emitting modules


20


have the following advantages:




(1) The metal LED holder frame


25


holds the respective LED


22


on the circuit board


21


firmly in position against impact.




(2) The metal battery holder frame


27


holds the respective set of battery cells


26


on the circuit board


21


firmly in place against impact.




(3) The metal LED holder frame


25


and the metal battery holder frame


27


are soldered together and fixedly fastened to the circuit board


21


to reinforce the structural strength of the circuit board


21


.




(4) The mounting legs


250


and


270


of the metal LED holder frame


25


and metal battery holder frame


27


are resilient, which are press-fitted into the plug holes


24


of the circuit board


21


to firmly secure the metal LED holder frame


25


and the metal battery holder frame


27


to the circuit board


21


.




(5) The mounting legs


270


of the metal battery holder frame


27


are sleeved with insulating sleeves


28


, which prevent a short circuit and, hold the set of battery cells


26


firmly in the metal battery holder frame


27


.




(6) The light emitting modules


20


are independent modules that allow the user to replace the battery conveniently.




A prototype of equipment for croquet has been constructed with the features of FIGS.


3


˜


7


. The equipment for croquet functions smoothly to provide all of the features discussed earlier.




Although a particular embodiment of the invention has been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention. Accordingly, the invention is not to be limited except as by the appended claims.



Claims
  • 1. Croquet equipment comprising a mallet, a ball, a hoop, and a stake, wherein:said mallet comprises two recessed receiving holes respectively axially extended in two ends of a head thereof, two light emitting modules respectively detachably mounted in said recessed receiving holes and adapted to emit light through said mallet, and two plastic face members respectively capped on the two ends of said head to seal the respective light emitting modules in said recessed receiving holes, said plastic face members admitting light; said ball is molded from light penetrable plastics, comprising an internally threaded and radially extended receiving hole, a light emitting module detachably mounted in said internally threaded and radially extended receiving hole and adapted to emit light through said ball, and a screw cap threaded into said internally threaded and radially extended receiving hole and maintained in flush with the periphery of said ball to hold the light emitting module in said ball; said stake is comprised of a light penetrable tubular shaft, said tubular shaft having a bottom end and a top end, an anchoring point fastened to the bottom end of said tubular shaft, said anchoring point having a hollow neck fastened to the bottom end of said tubular shaft, a cap fastened to the top end of said tubular shaft, a light emitting module mounted in the hollow neck of said anchoring point, and an elongated light guide connected to the light emitting module in said hollow neck of said anchoring point and axially suspended in said tubular shaft.
  • 2. The croquet equipment as claimed in claim 1, wherein the light emitting modules of said mallet, said ball and said stake each comprise a circuit board, said circuit board having two plug holes, a light emitting element, installed in said circuit board, switch means installed in said circuit board and adapted to switch on/off said light emitting element, a metal LED holder frame fastened to a top side of said circuit board to hold said light emitting element in position, said metal LED holder frame having two mounting legs respectively fastened to the plug holes of said circuit board and a center through hole accommodating said light emitting element, a metal battery holder frame fastened to a bottom side of said circuit board, said metal battery holder frame having two mounting legs respectively sleeved with a respective insulating sleeve and respectively fastened to the plug holes of said circuit board and respectively soldered to the mounting legs of said metal LED holder frame, and a set of battery cells carried in said metal battery holder frame and electrically connected to said light emitting element via said switch means.
  • 3. The croquet equipment as claimed in claim 2, wherein the switch means of each of the light emitting modules in said mallet and said ball is a vibration switch, and the switch means of said stake is a manual on/off switch.
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Number Name Date Kind
161080 West Mar 1875 A
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4531736 Sahler Jul 1985 A
5102131 Remington Apr 1992 A
5370390 Swanson Dec 1994 A
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20030199343 Ilcisin et al. Oct 2003 A1