JP2003310820A - Reel unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent reduction in the rigidity of the fitting plate of the driving part such as a motor, by suppressing increase in cost and size of a driving part such as the motor. <P>SOLUTION: The reel unit is provided with: a reel 21 which displays a plurality of kinds of patterns on a peripheral surface; a motor 22 for rotate-driving the reed 21; a back light part 30 arranged on the side of the inner periphery of the reel 21 for illuminating the patterns displayed on the outer peripheral surface of the reel 21 from its back; a reference piece 26a to be rotated with the reel 21; and a reference piece detection part 40 for detecting the passage of the reference piece 26a in rotation of the reel 21 for detecting a reference position in the rotating direction of the reel 21. The reference piece detection part 40 is fixed to a back light part 30. <P>COPYRIGHT: (C)2004,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slot machine,
Used on ball-and-shooter machines, etc.
The reel unit having the reel shown.
You. 2. Description of the Related Art Conventionally, a plurality of types of symbols are displayed on an outer peripheral surface.
The reel shown and a drive source (motor
Etc.) and a sensor unit for reading the reference position of the reel.
Fluctuation table in which a plurality of reel units with
Display devices are used in slot machines and
You. Such a symbol variation display device is provided inside the control device.
An input signal from the sensor unit based on the lottery result
Drive control of the motor based on the
It is configured to stop at a fixed position. [0003] Specifically, as shown in FIG.
Detection of the inner ring 101 protruding in the inner circumferential direction from the outer ring (rim)
A piece (light-shielding portion) 101a and a substrate for fixing the motor 102
Attached to the section 103, the detection piece 101a
A sensor (light emitting unit and
Having a sensor and a light receiving unit) 104a
The reference position of the reel 101 is specified by the substrate 104
Then, the movement amount from the reference position (the motor 102
In the case of a ping motor, the number of steps is calculated.
The reel is located at the position where it should be stopped while determining the symbol position.
101 is configured to be stopped. [0004] As shown in FIG.
Inside, fixed to the rotating shaft 105a of this motor 105
Detecting piece 105b (having a light transmitting portion 105c);
Passage of the light transmitting portion 105c in the case of the motor 105
And a sensor 105d provided at a position where the
In some cases, the reference position is specified. SUMMARY OF THE INVENTION However, the above-mentioned conventional
The technology has the following problems. In the first example,
The sensor control board 104 having the sensor 104a
Generally fixed to the mounting plate 103 on which the 102 is mounted
Although the sensor 104a and the reference piece 101a
The sensor control board of the mounting plate 103 in consideration of the positional relationship of
It is necessary to consider the shape of the part to which 104 is attached. This
As a result, the sensor control board 104 of the mounting plate 103 is removed.
The shape of the part to be attached is complicated, and the strength of the mounting plate 103 is weak.
Problem. If the rigidity of the mounting plate 103 is low
And the rotation of the motor 102 causes resonance and the like.
Thus, there is a problem that abnormal noise is generated. Also, as in the second example, the inside of the motor 105 is
To detect the reference position in the rotational direction
(Detector 105b, sensor 105d, etc.)
Motor 105 becomes larger and the cost of the motor 105 increases.
The problem is that the cost increases. [0007] Therefore, the section to be solved by the present invention.
The problem is that without increasing the size of the drive unit such as a motor,
Without increasing the cost, the mounting plate
That is, the rigidity is not reduced. [0008] The present invention provides the following solution.
The steps solve the above-mentioned problems. The invention of claim 1
Is a reel that displays a plurality of types of symbols on the outer peripheral surface,
A drive unit for rotating and driving the reel;
Symbols arranged on the peripheral side and displayed on the outer peripheral surface of the reel
A backlight unit for illuminating the reel from behind, and the reel
And the reference piece rotated together with the rotation direction of the reel.
Rotation of the reel to detect the reference position
And a reference piece detecting unit for detecting passage of the reference piece.
A reel unit, wherein the reference piece detecting section is
It is fixed to the backlight part. According to the first aspect of the present invention, a reference piece detecting section is provided.
Is fixed to the backlight unit. Therefore, the driving unit
The reference piece detector is not attached to the mounting plate where the
Therefore, the structure of the mounting plate can be simplified.
In addition, the rigidity of the mounting plate can be ensured. This
The mounting plate may resonate when the drive unit is driven.
And the like can be prevented. Also, a driving unit such as a motor
Since the reference piece detector is not provided inside the
It does not need to be typed and does not increase costs.
Furthermore, when fixing the reference piece detector to the backlight
Formed into a shape that can be attached only with screws, for example
Then, the number of parts of the reel unit can be reduced.
Wear. BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment will be described. The following embodiment
Then, the reel unit of the present invention was applied to a ball and ball game machine.
An example is given. (First Embodiment) FIG. 1 shows a reel unit according to a first embodiment.
In which the player 20 is attached to the game board 1 of the ball-and-shooting machine.
FIG. As shown in FIG. 1, the game board 1
A game ball fired from a non-launching device to the game area 3
A guide rail (inner reel and outer reel) 2 is provided,
Inside it, a symbol variation display device 10, a symbol variation display device
The special winning opening 4 which is the condition for starting the change of the symbol 10 and the symbol change
The combination of symbols displayed by the dynamic display device 10 is a predetermined combination.
In the case of the stop mode, for example, A-A-A
Oiri that can be opened when the pattern is complete and hit balls can win
A prize port 6, a general prize port 5, and the like are arranged. Here, the game outline of the ball game machine of the present embodiment
The point is briefly explained. First, by the operation of the player
The launching device is driven and the game ball enters the game area 3
This game ball comes in contact with a windmill,
While changing the downward direction, enter the above winning opening (specific winning opening 4 etc.)
It enters or is sent to the outlet 7. And winning
If a game ball wins in the mouth, a predetermined number of prize balls are shown
It will be paid out from the dispensing device that does not. When a prize is won in the special winning opening 4,
In addition to the prize ball payout, the symbol change display device 10 displays
A game in which a displayed symbol stops and is displayed after a predetermined fluctuation display
Is performed. And the result of this game, namely the stop table
The indicated combination of symbols is a predetermined combination of symbols.
Wins, the special winning opening 6 is opened to give the player a profit.
A big hit game that is easy to get is performed. Next, the symbol variation display device 10 and the reel unit
The knit 20 will be described. Symbol change display device 10
Is a transparent display window 11 as shown in FIG.
A plurality of reel units 20 arranged behind the window 11;
It is composed of In the present embodiment, there is a predetermined interval
And three rows of reel units 20 (left reel unit 20,
Middle reel unit 20 and right reel unit 20) average
And is housed in a case. The following theory
In the light, the left reel unit 20 is used to
20 will be described. FIG. 2 is a view showing a main part of the reel units 20 arranged side by side.
FIG. 4 is a front view (partially sectional view) showing a right reel unit.
In the drawing, the unit 20 is omitted. Further in FIG.
Cuts a part of the reel 21 so that the internal structure can be seen.
, And inside the left reel 21,
2 shows a partial cross section of the internal structure. FIG. 3 is similar to FIG.
A partial cross section of the internal structure of the left and right reel units 20 is shown.
It is a figure which expands and shows. FIG. 4 is a side view of the reel unit 20.
It is a figure (partial sectional view). Furthermore, FIG.
Medium, more detailed positional relationship between reference piece 26a and sensor 41
FIG. FIG. 6 shows the reel unit 20.
, The reel 21 and the motor 22, and between them
It is a perspective view which disassembles and shows each attached member. The reel unit 20 is provided as shown in FIG.
And a mounting plate 23 for fixing the motor 22
, A reel boss 24, a reference piece forming member 26, and a reel
21 and a backlight unit 30. Re
The tool 21 is formed in a ring shape, and has
A plurality of types and a predetermined number of symbols are arranged at predetermined intervals
(See FIG. 15). In addition, the pattern is formed by printing etc.
Have been. The reel 21 is provided as shown in FIGS.
And an outer ring portion 21a forming an outer peripheral surface and a motor 22.
And a flange portion 21b which is a central portion to be tied.
Extend in the radial direction of the reel 21 and
That are arranged at substantially equal angles in the rotation direction of the
Connected by eight (eight in this embodiment) arm portions 21c
Have been. Further, the motor 22 is a drive unit according to the present invention.
For rotating the reel 21.
belongs to. The motor 22 is fixed to the mounting plate 23
And is disposed on the inner periphery of the reel 21.
The rotating shaft 22a of the motor 22 has a surface perpendicular to the axial direction.
The cut surface when cut is almost D-shaped (hereinafter, D-cut shape)
). The reel boss 24 is connected to the rotating shaft 2 of the motor 22.
2a. With the motor 22 of the reel boss 24
A hole 24 is formed in the center of the opposite surface as shown in FIG.
a is formed, and this hole 24a is formed in a D-cut shape.
Has been established. The rotation shaft 22a of the motor 22 has a hole.
24a, the rotation shaft 2 of the motor 22
The reel boss 24 is attached to 2a. Also, in FIG.
As shown, the reel boss 24 is connected to the rotating shaft 22 of the motor 22.
After being attached to a, a part of the side surface of the reel boss 24
Screw 25 is attached to the screw hole 24b formed in
By this, it is screwed and fixed. In addition, reel
Side of the motor 24 on which the rotating shaft 22a of the motor 22 is mounted.
On the opposite side, a cylindrical portion 24c having a D-cut shape (FIG. 6)
Reference). The reference piece forming member 26 is, as shown in FIG.
In addition, a reference piece 26a is provided on a part of the outer peripheral side surface of the substantially disk-shaped base.
Are integrally formed. This reference piece 26a will be described later.
This is detected by the sensor 41
In the rotation direction of the reel 21 by the detection of the piece 26a
The reference position is to be detected. A D-cut is formed at the center of the reference piece forming member 26.
A hole 26b having a shape is formed.
And a cylindrical portion having a D-cut shape of the reel boss 24
24c. And base
The cylindrical portion 2 of the reel boss 24 is inserted into the hole 26b of the semi-piece forming member 26.
When 4c enters, both are fitted. In addition,
The cylindrical portion of the reel boss 24 is inserted into the hole 26b of the reference piece forming member 26.
When the cylindrical portion 24c enters, the cylindrical portion 24c becomes the reference piece forming member 2
6 from the outer surface of the reference piece forming member 26
It will protrude. The center of the reel boss 24 in the axial direction is substantially at the center.
A flange portion 24d is formed on the outer peripheral surface at the position,
As shown in FIG. 3, the flange portion 24d and a reference piece forming member
26 is fitted with an engaging portion 26j having a substantially concave cross section.
I agree. Further, as shown in FIG.
At the side where the motor 22 is mounted on the flange portion 21b
Has an engaging portion 21f having a substantially concave cross section.
The engaging portion 21f and the cylindrical portion 24c of the reel boss 24
Are fitted. Further, as shown in FIG.
At the center of the flange 21b (the center of rotation of the reel 21)
A through hole 21d is formed. Also, reel boss
A screw hole 24e is formed in the 24 cylindrical portion 24c.
You. Then, as shown in FIG.
Screw 27 and the screw 27 and the reel boss 24
The screw hole 24e is screwed. As a result, the lead fixed to the motor 22
The reference piece forming member 26 and the reel 21 are fixed to the lubos 24.
Is determined. As described above, the rotation shaft 22a of the motor 22 rotates.
As a result, the re-seat which is fixed to the rotating shaft 22a and is integrated
The boss 24, the reference piece forming member 26 and the reel 21 rotate.
Turned. The reel unit 20 includes a reel 2
Illuminates the design of 1 from behind and outputs various effects
A backlight unit 30 that blinks and turns off when
(See FIGS. 4 and 6). The backlight unit 30 includes
It is arranged on the inner peripheral side of the reel 21 and
It is fixed to the attachment plate 23. The backlight unit 30 is shown in FIGS.
As shown in FIG.
The formed lamp case 38 and the sensor mounting portion 31
Prepare. The lamp case 38 is a lamp on which the lamp is mounted.
This is for attaching a substrate (not shown). here
In the present embodiment, three lamps are arranged on the lamp substrate.
And continuous above and below the reel 21 visible from the display window 11
To illuminate each of the three designs,
Each lamp is arranged behind a position
You. As shown in FIG. 4 and FIG.
The mounting portion 31 is in the shape of an eave, and has a backlight base 3.
7. Furthermore, reel unit
20 is a sensor 41 for detecting the reference piece 26a.
Sensor board 40 (in the reference piece detecting portion in the present invention)
Equivalent). The sensor board 40 is
It is screwed to the attachment portion 31. The sensor 41 is
As shown in FIG. 2 and FIG.
Optical sensor with a light emitting element and a light receiving element on the inner wall side of
is there. The sensor substrate 40 is mounted on the sensor mounting portion 31.
When attached to the sensor, the sensor 41 and the reference piece forming section
The positional relationship with the material 26 is as shown in FIGS.
You. That is, as the motor 22 rotates, the reference piece forming member
When the reference 26 is rotated, the reference piece 26 a
It is arranged so as to pass between the light emitting and receiving elements (the concave interior).
You. Thereby, once each time the reel 21 rotates once,
The reference piece 26a passes through the sensor 41. The reel unit 20 having the above configuration is used.
In this case, the rotation of the motor 22 determines the reference as described above.
The piece forming member 26 and the reel 21 are rotated. Reference piece shape
When the component member 26 rotates, the reel 21 rotates once.
Then, the reference piece 26a passes through the sensor 41. Sensor 41
Detects the reference piece 26a. Sensor 41 concave
When the reference piece 26a does not exist between the portions (the reference piece 26
a is not passing through), the light emitting element of the sensor 41
These outgoing light can be received by the light receiving element.
When the piece 26a passes through the inside of the sensor 41,
The light emitted from the light emitting element of the sensor 41 is blocked by the reference piece 26a.
Since the light is emitted, it does not enter the light receiving element. This emitted light
When the reference piece 26a cannot be detected, the reference piece 26a has passed.
Is determined. The sensor 41 is shown in this embodiment.
In addition to optical sensors, magnetic sensors or contact sensors
May be. When using a magnetic sensor, the reference piece
In order for the member 26 to be magnetic, for example, a reference piece forming member
26, a magnetic material is attached to the
It may be formed of a magnetic material itself. In addition, contact type sensors
When the sensor is used, the reference piece forming member 26 is
When passing through the reference piece forming member 26 and the sensor 41
May be formed so that at least a part thereof contacts. Therefore, the reference piece 26a is rotated by the rotation of the reel 21.
Set to the reference position (home position) in the direction
Thus, the reference position can be detected. In addition,
Of the reference position and count the number of rotation pulses of the motor 22.
The reel 21 moves the reel 21 from the reference position.
It is possible to determine whether or not it is in the position rotated to the position.
Then, the rotation speed of the motor 22 after the detection of the reference position is detected.
And the number of rubs displayed on the outer peripheral surface of the outer ring portion 21a of the reel 21.
If you memorize the symbols in association with each other,
Can be determined. In the present invention, the reference piece 26a is
Radial direction of the reel 21 (radial direction perpendicular to the axial direction of the reel 21).
Direction), the rotation center and the outer end of the reel 21 (designs are displayed).
At least from the intermediate point with the outer peripheral surface
It is located on the heart side. In particular, near the rotation center of the reel 21
It is preferable to arrange the reference piece 26a beside. The first embodiment of the present invention has been described above.
However, in the first embodiment, the following effects can be expected. Real truth
In this embodiment, the reference piece 26a is located near the rotation center of the reel 21.
Are arranged, so that the reel as in the related art (FIG. 26) is used.
When the reference piece 101a is provided on the inner circumference of the outer ring portion of the 101
In comparison, the peripheral speed of the reference piece 26a decreases. Therefore,
The rotation speed of the motor 22 is increased while utilizing the sensor configuration of
, The reference piece 26a can be reliably detected.
it can. Further, the reference piece 26a is rotated by the motor 22.
Because it will go around the position near the shaft 22a, the conventional
Outside the reel 101 far from the rotation axis of the motor 102
Compared to the case where the reference piece 101a is provided on the inner periphery of the loop,
The movement of the piece 26a in the left-right direction is reduced. Accordingly
Therefore, it is necessary to mount the sensor 41 more precisely than in the past.
It is no longer necessary and the man-hour for assembling the reel unit 20 can be reduced.
Not only can it be expected, but the reference piece 26
To minimize the possibility of damage to a and the sensor 41
Can be. In this embodiment, the reference piece 26a is reset.
The conventional structure (FIG. 26)
The reference piece 101a is provided on the inner periphery of the outer ring portion of the reel 101 as shown in FIG.
The mounting position of the sensor 41 can be
Location. Further, in this embodiment, the sensor substrate 40
Is directly mounted on the mounting plate 23 for fixing the motor 22.
Not attached to the backlight unit 30 side
(Fixed) so that the mounting plate
Mounting plate compared to one with sensor 104 mounted on 103
23 is simplified, and rigidity can be easily secured. (Second Embodiment) FIGS. 7 and 8 show the present invention.
It is a figure showing a 2nd embodiment of. FIG. 7 shows a second embodiment.
FIG. 8 is an exploded perspective view showing a main part of the reel 21A.
A part of the outer ring portion 21a is cut away so that the inside of the
It is a front view (partial sectional view). In the second embodiment,
A member corresponding to the member of the first embodiment and the first embodiment
The members different from the above are denoted by the symbol “A”. In the first embodiment, the reference piece forming member 26
Is sandwiched between the reel boss 24 and the reel 21 and
Between the reel 21 and the reel boss 24 with the screw 27
By doing so, the reference piece forming member 26 was fixed. to this
On the other hand, in the second embodiment, the reference piece forming member 26A is
The screw is directly screwed to the screw 21A. Figure
As shown in FIG. 7, the reference piece forming member 26A has two through holes.
A through hole 26c is formed. In addition, as shown in FIG.
The side of the through hole 26c facing the reel 21A has a boss.
It is in a state. Further, the flange portion 21b of the reel 21A
Is formed with a screw hole 21e. And the reference piece
When attaching the forming member 26A to the reel 21A,
The reference piece forming member 26A is connected to the flange 21 of the reel 21A.
b, and further, screw 51 to the reference piece forming member 26.
A into the through hole 26c and the screw hole 21e.
Screw it. The center of the reference piece forming member 26A is
Has a boss 26d. This boss part 26d
Is equivalent to the reel boss 24 shown in the first embodiment.
It has an outer shape. That is, the reference piece forming member
The outer shape of the central portion of 26A is the reference piece in the first embodiment.
The base when the forming member 26 and the reel boss 24 are fitted to each other.
Outline including the reel boss 24 at the center of the quasi-segment forming member 26
Is equivalent to The boss 26d has the first embodiment.
Corresponding to the screw hole 24b formed in the reel boss 24
Screw holes 26e are formed, which are the same as those in the first embodiment.
In this way, the screw 25 is attached to the screw hole 26e.
By this, it is screwed to the rotating shaft 22a of the motor 22,
Fixed. If formed as described above, the first embodiment
Parts of the reel boss 24 in the state can be reduced.
You. (Third Embodiment) FIG. 9 and FIG.
It is a figure which shows 3rd Embodiment of light. FIG. 9 shows a third embodiment.
The vicinity of the flange 21b of the reel 21B, which is the main part of the state,
FIG. 10 is a side view showing the inside of the reel 21B.
Front view showing a part of the outer ring portion 21a cut so as to obtain
(Partial sectional view). In the third embodiment, the first embodiment
Member corresponding to the member of the first embodiment, and is different from the first embodiment.
The members are denoted by the symbol “B”. In the first embodiment (the same applies to the second embodiment)
Is to form the reference piece forming member 26 separately from the reel 21.
Was. However, in the third embodiment, the franc of the reel 21B is
The reference piece forming member 26B is integrally formed with the ridge portion 21b.
It is. The reference piece forming member 26B of the third embodiment includes a first
A disk-shaped base like the reference piece forming member 26 of the embodiment is used.
Without, it has an annular outer ring portion 26f, and a reference piece
26a is formed. Therefore, the length of the reference piece 26a is
The length is longer than the reference piece 26a of the first embodiment.
However, the distance from the center of rotation to the tip of the reference piece 26a is
The distance is the same as in the first embodiment. Also, the sensor 41
Is the same as the sensor 41 of the first embodiment. The figure
As shown in FIG. 10, the length of the reference piece 26a was increased.
And, on one side of the reference piece 26a, prevention of falling during molding
Ribs are provided. In the third embodiment, the reel 21B
When integrally forming the reference piece forming member 26B by molding.
Mold that is split in the rotation axis direction of the reel 21B
Is used. Considering the dividing direction of this molding die, reel
The reference piece forming member 26a is located between the arm portions 21c of the 21B.
It is configured to be placed. If formed as in the third embodiment, the reference piece
By forming the forming member 26B and the reel 21B integrally,
Therefore, it is possible to reduce the number of parts unique to the reference piece forming member 26B.
it can. In addition, even if they are formed integrally,
As shown, the reference piece forming member 26B is attached to the reel 21B.
It can be located nearby. (Fourth Embodiment) FIG. 11 and FIG.
It is a figure showing a 4th embodiment of the present invention. FIG.
FIG. 12 is an exploded perspective view showing a main part of the embodiment, and FIG.
Part of the outer ring 21a so that the inside of the screw 21 can be seen
It is a front view (partial sectional view) shown as follows. In the fourth embodiment
Is a member corresponding to the member of the first embodiment,
The members different from those in the embodiment are denoted by the symbol “C”.
You. In the fourth embodiment, the reference piece forming member 26C
Is provided. The reference piece forming member 26C is the same as the first embodiment.
A point that a cylindrical portion 26g is provided for the quasi-strip forming member 26.
Is different. That is, the reference piece forming member 2 of the first embodiment
6 has a substantially disk-shaped base as shown in FIG.
And a reference piece 26a is provided on a part of the outer peripheral side surface.
It is a thing. On the other hand, the reference piece formation of the fourth embodiment
In the member 26C, the reference piece forming member 26 of the first embodiment is used.
A cylindrical portion 26g extending from the base in the direction of the rotation axis is provided.
ing. A reference piece is formed at the lower end of the cylindrical portion 26g.
The component 26a is integrally formed. The cylindrical portion 26g is, as shown in FIG.
Has a size capable of accommodating the motor 22 therein.
The reel boss 24 has the same shape as that of the first embodiment.
Therefore, it is attached at the same position as in the first embodiment. Ma
In the first embodiment, the sensor substrate 40 is a backlight.
Attached to the sensor attachment portion 31 of the
The backlight unit 30 is attached to the attachment plate 23
Was. On the other hand, in the fourth embodiment, the sensor substrate 40
Are directly mounted on the flat surface of the mounting plate 23. As described above, in the fourth embodiment, the reference piece 2
6 a is arranged near the mounting plate 23. And
When the sensor board 40 is directly mounted on the mounting plate 23,
So that the reference piece 26a is located between the light receiving and emitting elements of the sensor 41.
, The length of the cylindrical portion 26g is set. As above
In this case, the sensor substrate 40 is directly mounted on the mounting plate 23.
Because it can be attached to the backlight unit 30,
There is no need to form the sensor mounting portion 31 and the backlight
The shape of the part 30 can be simplified. (Fifth Embodiment) FIG. 13 and FIG.
It is a figure showing a 5th embodiment of the present invention. FIG. 13 shows the fifth example.
FIG. 14 is an exploded perspective view showing a main part of the embodiment, and FIG.
The relationship between the reference piece forming member 26D and the sensor 41D of the embodiment is shown.
It is a side view which shows an engagement. In the fifth embodiment, the first embodiment
Member corresponding to the member of the first embodiment, and is different from the first embodiment.
The members are denoted by the symbol “D”. In the fifth embodiment, the reference piece forming member 26D
Is provided. The reference piece forming member 26D is the same as that of the first embodiment.
First, the length of the reference piece 26a with respect to the
Are different. The reference piece 26a of the fifth embodiment is the same as that of the first embodiment.
It is formed longer than that of the form. Further, the outer peripheral side surface of the reference piece forming member 26D
Has a position detecting piece 26h in addition to the reference piece 26a.
Have been. In this embodiment, the position detecting piece 26h is
Nine are provided at intervals of 36 degrees in the direction. In addition, the reference piece
The distance in the rotation direction between 26a and the position detecting piece 26h is also 36 degrees.
Is set to That is, the reference piece forming member 26D
On the outer peripheral side, one reference piece 26a and nine position detection pieces
26h are arranged at intervals of 36 degrees. In addition, the location
The length of the detection piece 26h is shorter than the length of the reference piece 26a.
(About the length of the reference piece 26a of the first embodiment)
ing. The sensor substrate 40D has the first embodiment
A sensor 41D having a structure different from the state is provided. Sen
The sensor 41D includes a sensor 42 including a light emitting element and a light receiving element.
And 43 are juxtaposed. As shown in FIG.
Sensors 42 and 43 of sensor 41D have respective heights.
It is formed differently. Further, as shown in FIG.
26a passes through both sensors 42 and 43
Is formed. On the other hand, as shown in FIG.
The position detecting piece 26h passes through the sensor 43.
, So as not to pass through the sensor 42. Then, the sensor 42 is the sensor of the first embodiment.
It has the same shape and function as the sensor 41, and
By detecting the passage, in the rotation direction of the reel 21,
The reference position is detected. The sensor 43 is a reference piece.
26a and the position detecting piece 26h,
The position in the rotation direction of the rule 21 is detected. here,
For example, ten figures are provided on the outer peripheral surface of the outer race portion 21a of the reel 21.
The pattern is displayed, and the reference piece 2 is placed at the position corresponding to each design.
6a or the position detecting piece 26h,
By this detection, each symbol can be detected. Further
In the same manner as in the first embodiment, the reference position of the reel 21 is also
Can be detected. In this manner, the reference piece 26a and the position detection
The position of the symbol can be detected by detecting the piece 26h.
Therefore, as in the first embodiment, the motor 22
Without counting the number of rotation pulses,
Symbols can be detected. In the present embodiment,
10 symbols in total on reel 21
Is provided with the reference piece 26a or the position detection piece 26h.
Set the number and arrangement intervals of the position detecting pieces 26h according to the number.
Just do it. That is, when changing the number of symbols on the reel 21
Is a reference piece shape having position detection pieces 26h by the number of symbols.
What is necessary is just to replace with the component 26D. FIG. 15 shows the first embodiment and the fifth embodiment.
FIG. 7 is a front view showing a comparison of reel position detection. In the figure,
The reference piece 26a on the left side and the sensor 41 are the same as those of the first embodiment.
And the right sensor 41D and the reference piece 26a.
The position detecting piece 26h is of the fifth embodiment. FIG.
As shown in FIG. 5, the four symbols on the reel 21 are symbols
“B”, “A”, “P”, and “O” are displayed. This
Among them, the symbol “A” is set at the reference position. In this case, in the first embodiment, the reference piece 2
When 6a passes the sensor 41, the reference of the reel 21 is
The position (the position of the symbol “A”) is detected. In addition, the fifth
In the embodiment, the position where the sensor 41 of the first embodiment is disposed is described.
The sensor 42 of the sensor 41D is arranged at the position. So
When the reference piece 26a passes the sensor 42,
The reference position of the rule 21 (the position of the symbol "A") is detected.
You. In addition, positions corresponding to symbols "B" and "P"
The position detecting piece 26h is arranged (in FIG.
Illustration of the position detecting piece 26h corresponding to “O” is omitted.
). Then, the reference piece 26a or the position detection piece 26h is
When the reel 21 passes through the
(The position of each symbol) is detected. (Sixth Embodiment) FIG. 16 and FIG.
It is a figure showing a 6th embodiment of the present invention. FIG.
5 shows a sensor substrate 40E having a sensor 41E of the embodiment.
FIG. 17 is a perspective view, and FIG. 17 is a reference piece forming portion according to a sixth embodiment.
It is a side view which shows the relationship between material 26E and sensor 41E.
In the sixth embodiment, the components correspond to the members of the first embodiment.
For members that are different from those of the first embodiment,
Number "E" is attached. The sixth embodiment is a modification of the fifth embodiment.
Yes, as in the fifth embodiment, the reference position of the reel 21 is
In addition, a symbol position is detected. Sixth
In the embodiment, a sensor substrate 40E shown in FIG.
You. The sensor substrate 40E is the sensor shown in the fifth embodiment.
The sensor 41E includes two sensors 42 in parallel. Sand
In the sixth embodiment, unlike the fifth embodiment, the same shape is used.
The two sensors 42 are provided. In the sixth embodiment, the reference piece forming member
26E. The reference piece forming member 26E is
a and a position detecting piece 26i. Position detecting piece 26
i is equivalent to the position detecting piece 26h of the fifth embodiment.
It is. Further, the reference piece 26a and the position detecting piece
The length of 26i is almost the same as the reference piece 26a of the first embodiment.
One. Further, the reference piece 26a and the position detection piece 26i
Are the reference piece 26a and the position detection piece 26h of the fifth embodiment.
It is arranged at the same position as. That is, the reference piece 26a and
And the position detecting piece 26i is based on the rotation of the reference piece forming member 26E.
Are provided at regular intervals of 36 degrees. The reference piece 26a is the same as that of the first embodiment.
The width of the position detecting piece 2 is substantially the same as that of the quasi-piece 26a.
The width of 6i is determined by the reference piece 26a and the position detection of the fifth embodiment.
It is approximately half the width of the piece 26h. In FIG. 17A, the reference piece forming member 2
Assuming that 6E is rotating counterclockwise in the figure,
When the reference piece 26a passes through the sensor 41E,
The sensor 42 on the right side detects the reference piece 26a. further
When the reference piece forming member 26E rotates, the left sensor 42
Detects the reference piece 26a. Here, the left sensor 42
When the right sensor 42 detects the reference piece 26a,
When the reference piece 26a is still detected, the position detection piece
It is determined that the reference piece 26a is detected instead of the reference piece 26i. On the other hand, as shown in FIG.
When the position detecting piece 26i passes through the sensor 41E,
First, the right sensor 42 detects the position detecting piece 26i.
However, when the position detecting piece 26i passes through the right sensor 42,
During this time, the position detecting piece 26i enters the left sensor 42.
The sensor 42 on the left side is not
Not detected. Further, the reference piece forming member 26E is
It rotates clockwise, and the position detecting piece 26i
2, the position detection piece 26i is
It is at a position outside the housing 42. Therefore, the left sensor 4
2 detects the position detecting piece 26i,
The sensor 42 does not detect the position detecting piece 26i. As a result, the position detecting piece 26i is
When passing through 41E, only one of the sensors
42. Thus, the right sensor 42
Is detected, the left sensor 42 does not detect,
When the left sensor 42 is detecting,
When the sensor 42 does not detect, it is not the reference piece 26a but
It is determined that the position detecting piece 26i has been detected. In this manner, the reference piece 26a is detected.
To detect the reference position of the reel 21
Can be. In addition, the reference piece 26a or the position detection piece 26i
By detecting either one, the same as in the fifth embodiment
Detecting the position of the reel 21 in the rotation direction
Can be. Further, similarly to the fifth embodiment, the sensor 41
Each symbol can be detected by the detection by E. (Seventh Embodiment) FIG. 18 shows a seventh embodiment of the present invention.
It is a figure which shows embodiment and shows sensor board 40F and back.
It is a perspective view which disassembles and shows the light part 30F. In addition,
In the seventh embodiment, a member corresponding to the member of the first embodiment is used.
Accordingly, the members different from those of the first embodiment are denoted by the symbol “F”.
Is attached. As shown in FIG. 18, the backlight unit 30
A sensor attachment member 32 is attached to F. Sen
The mounting member 32 has an upper wall and a side wall, and the outer shape is substantially
It is L-shaped, and the side wall is connected to the backlight 30F.
Is stopped. On the side wall of the sensor mounting member 32,
The oval-shaped through hole 32b and the arc-shaped through hole 32c are formed.
Has been established. Furthermore, a sensor of the backlight unit 30F
A screw hole 34 is provided on the surface on which the mounting member 32 is mounted.
(See FIG. 19). And sensor mounting
Screws 3 in the through holes 32b and 32c of the
3 and screw it into the screw hole 34 to get the sensor
The attachment member 32 is fixed to the backlight unit 30F.
In addition, the upper wall of the sensor mounting member 32 has the length of the upper wall.
A long hole (penetration) along the hand direction (the rotation axis direction of the reel 21)
Hole 32a is formed. The upper surface of the upper wall of the sensor mounting member 32
A holding plate 35 is disposed on the side. The holding plate 35
The cross section is formed in a substantially inverted concave shape.
The upper wall of the sensor mounting member 32 is accommodated in the
Have been. The holding plate 35 has a concave notch.
35b are formed. Furthermore, the upper wall of the holding plate 35
Is formed with a through hole 35a. The lower surface of the upper wall of the sensor mounting member 32
The sensor substrate 40F is arranged on the side. Sensor board 4
The substrate surface of OF is formed larger than that of the first embodiment.
A convex portion is provided in a part thereof, and the convex portion is provided.
The connector 45 is mounted on each minute. The sensor mounting member 32 is pressed above the upper wall.
The mounting plate 35 is attached, and the sensor
When the board 40F is attached, the sensor board 40F
The connector 45 is disposed outside the upper wall of the sensor mounting member 32.
Placed in the notch 35b of the holding plate 35
Is done. Also, the through hole 35a of the holding plate 35 is
The slot 32a of the attachment member 32 and the screw of the sensor board 40F
The holes 44 are arranged at positions where they overlap in the vertical direction.
You. Then, screw 36 into through hole 35a and oblong hole 32a.
By passing it and screwing it into the screw hole 44,
Holding plate 35, sensor mounting member 32, and sensor substrate 4
OF is fixed. In the seventh embodiment, the position of the sensor 41 is adjusted.
Can be adjusted. First, the rotation axis direction of the reel 21
, The position of the sensor 41 can be adjusted. Figure
19 and 20 show the reel 21 according to the seventh embodiment.
Adjustment of the position of the sensor 41 in the direction of the rotation axis of FIG.
19 is a side view, and FIG. 20 is a plan view.
(Partial sectional view) is shown. As described above, the screw 36 is inserted into the screw hole 44.
When screwed, the holding plate 35 and the sensor mounting member 32
And the sensor substrate 40F are fixed, but the screw 36 is loosened.
Then, the sensor substrate 40F and the holding plate 35 are
Slides along the longitudinal direction of the upper wall of the sensor mounting member 32
I do. The screw 36 is in the long hole 32a of the sensor mounting member 32.
To move along the long hole 32a.
You. As a result, as shown in FIGS.
In addition to the position shown by the solid line,
The sensor substrate 40F and the holding plate 35 are attached to the sensor mounting member.
32 along the length of the upper wall
You. Then, the reference piece 26a has entered the sensor 41.
An appropriate position (for example, when the reference piece 26a is inside the sensor 41)
If the screw 36 is screwed so that it is located at the center (FIG. 1)
9), the sensor 41 is positioned at an appropriate position with respect to the reference piece 26a.
Can be fixed in place. Thus, the reel 2
1 with respect to the reference piece 26a in the rotation axis direction.
The position of 41 can be adjusted. This embodiment
If the elongated hole 32a is formed as shown in FIG.
Can be adjusted, as shown by the dotted line in FIG.
Thus, instead of the elongated hole 32a, a plurality of through holes are juxtaposed.
Then, the position of the sensor 41 can be adjusted in multiple stages.
You. In the seventh embodiment, second, the motor
22, the sensor 4 in the rotation direction of the reel 21
1 can be adjusted. FIG. 21 corresponds to FIG.
It is arrow sectional drawing which shows AA cross section. In FIG.
The support 41 is shown cut off from the middle. Sensor mounting
As described above, the side wall of the member 32 has a through hole 32b and
32c is formed, and the sensor mounting member 32
Back with screw 33 through through holes 32b and 32c
It is screwed to the light part 30F. Here, with the two screws 33 loosened,
Are within the movable range of the through holes 32b and 32c.
The mounting member 32 is moved in the direction of the arrow in FIG.
Can be. Therefore, within this range,
The mounting member 32 can be screwed. to this
The position of the sensor 41 in the rotation direction of the reel 21
Can be adjusted. Although not shown, through holes
32b and 32c are composed of a plurality of holes arranged side by side.
If so, adjust the position of the sensor 41 in multiple steps as above
You can also. (Eighth Embodiment) FIG. 22 and FIG.
It is a figure showing an 8th embodiment of the present invention. FIG. 22 shows a motor
Side view (partial cross section) as viewed in the direction of the rotation axis of 22G
FIG. 23 is an exploded front view of FIG.
It is a front view (partial sectional view). In the eighth embodiment,
Is a member corresponding to the member of the first embodiment,
The members different from those of the embodiment are denoted by reference symbols “G”.
You. The eighth embodiment is a modification of the seventh embodiment.
Yes, as in the seventh embodiment, in the rotation direction of the reel 21.
To adjust the position of the sensor 41
However, the structure is different. FIG.
As shown in FIG. 23 and FIG.
An attaching member 32G is provided. Sensor mounting member 3
2G has an upper wall and side walls similarly to the seventh embodiment,
The shape is almost L-shaped, and the side wall is connected to the mounting plate 23G.
Is stopped. Here, the side wall of the sensor mounting member 32G
The shape is different from the seventh embodiment, and the shape of the upper wall is the seventh embodiment.
It is the same as the state. Further, the sensor substrate 40 of the eighth embodiment
G has the same shape as the sensor substrate 40F of the seventh embodiment.
Then, the holding plate 35 is provided on the sensor mounting member 32G.
Mounted on the wall. And the same as the seventh embodiment
Then, the sensor substrate 40G is swung in the rotation axis direction of the reel 21.
Adjust the position of the sensor 41 by riding
be able to. Further, as shown in FIG.
The lower portion of the side wall of the member 32G is formed in a circular shape.
And a circular opening 32d is formed at the center thereof.
Have been. Furthermore, the rotation shaft 22a of the motor 22G is
On the surface opposite to the surface provided, a cylindrical boss 22b is provided.
Is formed. The boss 22b and the opening
The portion 32d is formed to fit. Further, the motor 22G of the mounting plate 23G is mounted.
At the part to be attached, the boss 22b
A circular opening 23a is formed. Motor 22G
When fixing to the mounting plate 23G,
While inserting the screw 53 into the formed through hole 23b,
Formed on the surface of the motor 22G on which the boss 22b is provided.
Screw it into a screw hole (not shown). Here, the boss 22b of the motor 22G is provided.
Four washers 52 are attached to the set surface.
And the screw 53 connects the through hole 23b and the washer 52.
Screwed into the screw hole of the motor 22G through the motor. Further
And the sensor mounting member 3 on the boss 22b of the motor 22G.
The 2G opening 32d enters and the motor 22G
Of the boss 22b in the opening 23a of the mounting plate 23G.
Screwed in the state of entering. Further, on the side wall of the sensor mounting member 32G,
Has an arc-shaped through hole 32e similar to that of the seventh embodiment.
Have been. Also, screw holes 23c are provided on the mounting plate 23G side.
Are formed. Then, screw 33 into through hole 32e
Insert it and screw it into the screw hole 23c.
The sensor mounting member 32G is fixed to the mounting plate 23G. When the screw 33 is loosened, the sensor
In the movable range of the through-hole 32e, the motor 32G
22G boss 22b.
You. Therefore, the sensor mounting member 32G is rotated to
Position of the sensor mounting member 32G to the mounting plate 23G.
If adjusted, the rotation of the reel 21 is performed in the same manner as in the seventh embodiment.
The position of the sensor 41 can be adjusted in the direction. FIGS. 24 and 25 show how the reel 21 rotates.
Side view showing an example of adjusting the position of sensor 41 in the direction
The symbols on the reel 21 are also shown.
In FIG. 24 and FIG.
The reference piece 26a of the reference piece forming member 26 and the reel 21
Set so that the upper symbol "A" is located on the same line
It is assumed that FIG. 24 shows the state of the reel 21 in the radial direction.
The reference piece 26a and the symbol "A" on the reel 21 are
This shows a state in which it is located on the in. That is,
In the radial direction of the ruler 21,
The line passing through the center of the quasi-piece 26a is a symbol on the reel 21.
It passes through the center position of "A". In this state, the screw 33 is
So as to be located substantially at the center in the longitudinal direction of the through hole 32e.
Screw 33, and remove the sensor mounting member 32G.
If fixed to the attachment plate 23G, the symbol "A" is at the reference position
Sometimes, the reference piece 26a is set so as to pass through the sensor 41.
Can be specified. On the other hand, FIG.
An example in which the position of the pattern is shifted is shown. In this case,
In the radial direction of the reel 21, the reference piece forming member 26
The line passing through the center of the reference piece 26a is
It does not pass through the center position of the pattern "A". Therefore, the reel 21
The reference position is not correctly aligned with the position of symbol "A"
become. In this case, as shown in FIG.
Loosen 33 and install sensor clockwise in the figure
By rotating the member 32G, the symbol "A" is at the reference position
Sometimes, the reference piece 26a is set so as to pass through the sensor 41.
Can be specified. Then, at this position, screw 33
Can be screwed. The embodiment of the present invention has been described above.
However, the invention is not limited to the embodiments described above.
In addition, various modifications are possible. For example, as an embodiment
Although the first to eighth embodiments have been described, two or more of these embodiments have been described.
May be appropriately selected and combined. concrete
Is attached to the cylindrical portion 26g shown in the fourth embodiment, for example.
With the quasi-piece 26a, in the fifth embodiment or the sixth embodiment
By providing the indicated position detecting piece 26h or 26i
Is also good. According to the first aspect of the present invention, the reference piece detecting section
To the backlight instead of the mounting plate that fixes the drive
The mounting plate is fixed so that the structure of the mounting plate can be simplified.
And the rigidity of the mounting plate can be secured.
Wear. This allows the mounting plate to be shared when the drive unit is driven.
It is possible to prevent the occurrence of abnormal noise, etc.
it can. In addition, a reference piece detection unit is installed inside the drive unit such as a motor.
Without the need to increase the size of the drive
The cost does not increase. In addition, backlight
When fixing the reference piece detection part to the part, for example, screwing
If it is formed into a shape that can be attached only with
Can reduce the number of parts.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing an example in which a reel unit according to a first embodiment is mounted on a game board of a ball and ball game machine. FIG. 2 is a front view (partially sectional view) showing a main part of the reel units arranged side by side, and omits a right reel unit. FIG. 3 is a diagram showing, in an enlarged scale, a partial cross section of the internal structure of the left reel unit in FIG. 2; FIG. 4 is a side view (partially sectional view) of the reel unit. FIG. 5 is a diagram showing the positional relationship between a reference piece and a sensor in FIG. 4 in more detail; FIG. 6 is an exploded perspective view showing a reel, a motor, and members attached between the reel and the motor in the reel unit. FIG. 7 is a view showing a second embodiment of the present invention,
FIG. 2 is an exploded perspective view illustrating a main part of the embodiment. FIG. 8 is a view showing a second embodiment of the present invention, and is a front view (partially sectional view) showing a part of an outer ring portion cut away so that the inside of the reel can be seen. FIG. 9 is a view showing a third embodiment of the present invention;
It is a side view which shows the flange part vicinity of the reel which is the principal part of embodiment. FIG. 10 is a view showing a third embodiment of the present invention, and is a front view (partially sectional view) showing a part of an outer ring portion cut away so that the inside of the reel can be seen. FIG. 11 is a view showing a fourth embodiment of the present invention, and is an exploded perspective view showing a main part of the fourth embodiment. FIG. 12 is a view showing a fourth embodiment of the present invention, and is a front view (partially sectional view) showing a part of an outer ring portion cut away so that the inside of a reel can be seen. FIG. 13 is a view showing a fifth embodiment of the present invention, and is an exploded perspective view showing a main part of the fifth embodiment. FIG. 14 is a view showing a fifth embodiment of the present invention, and is a side view showing a relationship between a reference piece forming member and a sensor according to the fifth embodiment. FIG. 15 is a side view showing, in comparison, reel position detection in the first embodiment and the fifth embodiment. FIG. 16 is a view showing a sixth embodiment of the present invention, and is a perspective view showing a sensor substrate having the sensor of the sixth embodiment. FIG. 17 is a view showing a sixth embodiment of the present invention, and is a side view showing a relationship between a reference piece forming member and a sensor according to the sixth embodiment. FIG. 18 is a view showing a seventh embodiment of the present invention, and is an exploded perspective view showing a sensor substrate and a backlight unit. FIG. 19 is a side view illustrating position adjustment of a sensor in a rotation axis direction of a reel in a seventh embodiment. FIG. 20 is a plan view (partially sectional view) for explaining position adjustment of a sensor in a rotation axis direction of a reel in a seventh embodiment. FIG. 21 is a cross-sectional view taken along the line AA in FIG. 20; FIG. 22 is a view showing the eighth embodiment of the present invention, and is a side view (partially sectional view) as viewed in the direction of the rotation axis of the motor.
It is. 23 is a view showing the eighth embodiment of the present invention, and is an exploded front view (partially sectional view) showing the front side of FIG. 22. FIG. FIG. 24 is a side view showing an example in which the position of the sensor is adjusted in the rotation direction of the reel, and also shows symbols on the reel. FIG. 25 is a side view showing an example in which the position of the sensor is adjusted in the rotation direction of the reel, and also shows symbols on the reel. FIG. 26 is a schematic plan view (partially sectional view) showing a first example of a conventional method for detecting a reference position in the rotation direction of a reel.
It is. FIG. 27 is a diagram illustrating a second example of a conventional method for detecting a reference position in a rotation direction of a reel, and is a schematic perspective view illustrating an internal structure of a motor. [Description of Signs] 1 gaming board 2 guide rail 3 game area 4 specific winning opening 5 general winning opening 6 special winning opening 7 out opening 10 symbol variation display device 11 display window 20 reel units 21, 21A, 21B reel 21a outer ring portion 21b Flange portion 21c Arm portion 21d Hole 21e Screw hole 21f Engagement portion 22, 22G Motor (drive portion) 22a Rotating shaft 22b Boss 23, 23G Mounting plate 23a Opening 23b Through hole 23c Screw hole 24 Reel boss 24a Hole 2 24b Screw hole 24c Tube part 24d Flange part 24e Screw hole 25 Screw 26, 26A, 26B, 26C, 26D, 26E Reference piece forming member 26a Reference piece 26b Hole 26c Through hole 26d Boss part 26e Screw hole 26f Outer ring part 26g Cylindrical part 26h Position detection piece 26i Position detection piece 26j Engagement part 27 Screw 30, 30F Backlight 31 Sensor mounting part 32, 32G Sensor mounting member 32a Slot 32b Through hole 32c Through hole 32d Opening 32e Through hole 33 Screw 34 Screw hole 35 Holding plate 35a Through hole 35b Notch 36 Screw 37 Backlight base 38 Lamp case 40 , 40D, 40E, 40F, 40G Sensor board (reference piece detecting section) 41, 41D, 41E Sensor 42 Sensor 43 Sensor 44 Screw hole 45 Connector 51 Screw 52 Washer 53 Screw

Claims (1)

Claims: 1. A reel on which a plurality of types of symbols are displayed on an outer peripheral surface; a driving unit for rotating the reel; and an inner peripheral side of the reel, the outer periphery of the reel. A backlight unit that illuminates the symbol displayed on the surface from behind, a reference piece that rotates with the reel, and a reference piece in the rotation direction of the reel to detect a reference position in the rotation direction of the reel. A reel unit comprising: a reference piece detection unit that detects passage; wherein the reference piece detection unit is fixed to the backlight unit.