Information
-
Patent Grant
-
6758767
-
Patent Number
6,758,767
-
Date Filed
Tuesday, July 15, 200321 years ago
-
Date Issued
Tuesday, July 6, 200420 years ago
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Inventors
-
-
Examiners
Agents
-
CPC
-
US Classifications
Field of Search
US
- 473 558
- 473 FOR 129
- 473 FOR 186
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International Classifications
-
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.
US Referenced Citations (7)