JP2004215843A - Reel support device for slot machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize diversified performance expressions of the games with a simple structure. <P>SOLUTION: After the spinning of the individual reels 47L, 47M and 47R is stopped upon the stopping of the driving with the stepping motor, the motor 67 or the motors 79L, 79M and 79R are controlled by the control signals of a sub CPU according to the situation of the game at the moment. For example, as the performance for notifying the appearance of the ready for win position, the frame body 49 is moved longitudinally as a whole or the individual reels 47L, 47M and 47R are separately moved longitudinally or the individual reels 47L, 47M and 47R are separately moved longitudinally while the frame body 49 is moved longitudinally. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a reel machine for a slot machine that supports a plurality of reels, each of which has a plurality of symbols drawn on a peripheral surface thereof and is rotatably provided in a housing of the slot machine.
[0002]
[Prior art]
In general, in a slot machine, one side of a front panel large enough to cover the entire front surface is rotatably supported by a hinge in a box-shaped housing having an open front surface, and a transparent plate is provided on an upper half of the front panel front surface. A closed window is formed, and three left, middle, and right cylindrical reels, each of which has a plurality of symbols drawn on the peripheral surface, are rotatably supported by the support means behind the window. The reels are arranged so that three of the symbols on each reel can be seen through the window.
[0003]
The center of each of these reels is connected to the rotation shaft of the stepping motor by a nut or the like, and the rotation of the stepping motor drives the reel to rotate. Then, the stepping motor is started to rotate by an operation of a start lever provided on the front panel by the central control device, and is stopped by turning on a stop switch provided corresponding to each reel near a window of the front panel. Is controlled as follows. The game proceeds with a combination of symbols on each reel stopped on the pay line, which is an activated line. At this time, these reels are generally supported by the support mechanism so as to be rotatable but not to be able to move back and forth, right and left, and up and down.
[0004]
However, since each reel simply rotates and displays a symbol in the window, it gives the player the impression of lacking the effect expression of the game. It has been considered that the display device is configured to display various symbols (see Patent Document 1).
[0005]
[Patent Document 1]
JP-A-10-314371 (paragraphs [0038] to [0042])
[0006]
[Problems to be solved by the invention]
However, the above-described conventional reel moving device attempts to reciprocate each reel in the left-right direction, which is the direction in which the reels are arranged, to realize a variety of unprecedented symbol displays. It is necessary to increase the size of the drive device, and as a result, the drive device becomes very large, and a large installation space for the drive device must be secured inside the housing, and the space for other components and members is restricted on the contrary. There was a problem that there was a possibility.
[0007]
Therefore, an object of the present invention is to be able to realize various game effect expressions with a simple configuration.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a reel machine for a slot machine that supports a plurality of reels rotatably provided in a housing of the slot machine, each of which has a plurality of symbols drawn on a peripheral surface. A plurality of reel support means for rotatably and movably supporting each of the reels; a unit holding means attached to the housing for holding the respective reel support means as a unit; A reel moving means for moving the body at least in the front-back direction is provided (claim 1).
[0009]
According to such a configuration, since each reel is moved at least in the front-back direction with respect to the housing by the reel moving means, it is possible to realize various game effects with a simple configuration.
[0010]
Further, the present invention further includes an attaching means for movably attaching the unit holding means to the housing, and a unit moving means for moving the unit holding means at least in the front-back direction with respect to the housing. (Claim 2).
[0011]
According to such a configuration, the unit holding means is moved at least in the front-back direction with respect to the housing by the unit moving means, and each reel support means is moved in the front-back direction as a unit. It can be moved back and forth.
[0012]
Further, the present invention is characterized in that the reel moving means moves each of the reels by individually moving each of the reel supporting means with respect to the unit holding means (claim 3). .
[0013]
According to such a configuration, since each reel supporting means is individually moved by the reel moving means, it is possible to realize various game effect expressions by individually moving each reel.
[0014]
Further, the present invention is configured such that the reel moving means also has a function of integrally moving each of the reel supporting means, and can select between individual movement of each of the reels and integrated movement of each of the reel supporting means. (Claim 4).
[0015]
According to such a configuration, since each reel supporting means is individually or integrally moved by the reel moving means, it is possible to realize more diverse game effect expression by individually or integrally moving each reel. Can be.
[0016]
Further, according to the present invention, the reel moving means selectively moves each of the reels in the left-right direction and the up-down direction in addition to the front-rear direction with respect to the housing within a predetermined reel moving range. (Claim 5).
[0017]
According to such a configuration, each reel is moved not only in the front-back direction but also in the left-right direction and the up-down direction by the reel moving means. It is possible to realize the effect expression of a simple game.
[0018]
Further, the present invention is characterized in that the reel moving means includes a motor driven by an external control signal (claim 6). According to such a configuration, since each reel can be moved by, for example, a combination of a rack and a pinion by a motor driven by a control signal, the reel moving means can be simply configured.
[0019]
Further, in the invention, it is preferable that the unit moving means selectively moves the unit holding means with respect to the housing in the front and rear direction as well as in the left and right direction and the up and down direction within a predetermined unit moving range. (Claim 7).
[0020]
According to such a configuration, each reel is integrally moved as a unit in the longitudinal direction, the lateral direction, or the vertical direction within the predetermined unit moving range by the unit moving means. It is possible to realize even more diverse game effect expressions.
[0021]
Further, the present invention is characterized in that the unit moving means includes a motor driven by an external control signal (claim 8). According to such a configuration, each reel can be moved as a unit by, for example, a combination of a rack and a pinion by a motor driven by a control signal, so that the unit moving means can be simply configured.
[0022]
BEST MODE FOR CARRYING OUT THE INVENTION
One embodiment of the present invention will be described with reference to FIGS. However, FIG. 1 is a front view of the slot machine, and FIGS. 2 to 4 are a front view, a plan view and a right side view of the reel support device, respectively.
[0023]
The slot machine according to the present embodiment is configured as shown in FIG. 1, for example. That is, as shown in FIG. 1, in the slot machine 1, the front opening of the housing 3 is openably and closably closed by the front panel 5, and the operation panel 7 is disposed at a position substantially at the center of the front panel 5. Further, a front plate 9 is disposed above the operation plate 7. At this time, the left end of the front panel 5 is rotatably supported by the housing 3 by the hinge, and the entire front surface of the housing 3 is covered and closed by the front panel 5.
[0024]
As shown in FIG. 1, three reel windows 11 are arranged side by side on the front plate 9, and left, middle and right reels are rotatably arranged inside each reel window 11, and the right end A liquid crystal display 13 for displaying a game effect screen is arranged beside the reel window 11 of the first embodiment, and each reel window 11 is set so that three symbols on each reel can be seen. .
[0025]
Further, as shown in FIG. 1, the operation plate 7 includes a bet switch 15 for reducing the number of credited medals and replacing the inserted medals, a start lever 17 for starting rotation of each reel, And third stop switches 19, 21, 23, and a settlement switch 27 for paying out the medal slot 25 and the stored medals.
[0026]
Also, as shown in FIG. 1, a pay line is drawn on the front panel 9, a valid display lamp 31 for displaying a valid line in the pay line, various effect display lamps 33 for displaying a bonus game state, and the like. A medal number display 35 for displaying the number of credit medals is provided on the front panel 9, and a medal payout port 37 and a medal receptacle 39 for receiving medals paid out from the payout port 37 are provided below the operation plate 7. In addition, an ashtray 41 is provided adjacent to the left of the medal tray 39.
[0027]
By the way, a reel support device 43 is provided on the back side of the reel window 11 of the front panel 5, and the reel support device 43 is configured as follows. That is, as shown in FIGS. 2 to 4, three substantially flat reel stands 45L, 45M, and 45R that constitute the reel support means are arranged side by side, and left, middle, and right reels 47L, 47M, and 47R are provided. The reel stands 45L, 45M, and 45R rotatably support the respective reel stands. Each of the reels 47L, 47M, 47R is composed of a plurality of radially extending beams and a short cylindrical body fixed to the tips of these beams, and is formed by resin molding.
[0028]
A stepping motor (not shown) is supported on each of the reel stands 45L, 45M, and 45R, and the center of each of the reels 47L, 47M, and 47R is connected to a rotation shaft of the stepping motor by a nut or the like. , The reels 47L, 47M, 47R are rotationally driven. The rotation of each of these stepping motors is controlled by a control signal from a main CPU (not shown).
[0029]
Further, as shown in FIGS. 2 to 4, a box-shaped frame body 49 as a unit holding means having an open front surface is provided, and a flat reel supporting each of the reels 47L, 47M, 47R and the stepping motor. The stands 45L, 45M, 45R are disposed inside the frame 49, and the reel stands 45L, 45M, 45R are held inside the frame 49 as a unit.
[0030]
At this time, rail bodies 51Lu and 51Ld wider than the reel stand 45L are integrally formed at the upper and lower ends of the reel stand 45L, and similarly, the reel stands 45M and 45R are also formed at the upper and lower ends of the other reel stands 45M and 45R. Rail bodies 51Mu, 51Md and 51Ru, 51Rd wider than 45R are integrally formed.
[0031]
Then, as shown in FIGS. 2 to 4, a pair of front-rear direction guides 53Lu1, 53Lu2 and 53Ld1, each having an L-shaped cross section, are opposed to the left end portions on the inner surface side of each of the top wall and the bottom wall of the frame body 49. 53Ld2 is fixed at an interval corresponding to the width of the reel stand 45L, and the guides 53Lu1, 53Lu2 and 53Ld1, 53Ld2 guide the rail bodies 51Lu, 51Ld of the reel stand 45L so that the reel stand 45L is framed. It is held in an upright state inside 49.
[0032]
Further, a pair of front and rear guides 53Mu1, 53Mu2 and 53Md1, 53Md1, 53Md1, 53Md2 each having an L-shaped cross section are opposed to each other at a position slightly to the left on the inner surface side of the top wall and the bottom wall of the frame body 49, respectively. A pair of front and rear guides 53Ru1, 53Ru2 each having an L-shaped cross section are opposed to each other at a position slightly to the right of the center of the inner surface side of each of the top wall and the bottom wall of the frame body 49 while being fixed at intervals corresponding to the width. And 53Rd1 and 53Rd2 are fixed at intervals corresponding to the width of the reel stand 45R. The guides 53Mu1, 53Mu2 and 53Md1, 53Md2 guide the rails 51Mu, 51Md of the reel stand 45M so that the reel stand 45M is held upright inside the frame 49. 45R is held inside the frame 49 in an upright state. Thus, each of the 45L, 45M, 45R is connected by the frame 49.
[0033]
Further, rails 55L, 55R in the front-rear direction are fixed to the outer lower ends of the left and right wall surfaces of the frame 49, and the frame 49 is mounted inside the housing 3 so as to be movable in the front-rear direction with respect to the housing 3. Member 57 is fixed as a mounting means, and a pair of upper and lower rollers 59 each having a vertical plane as a rotation surface are attached to the front and rear of the left inner surface of the base member 57, and a rail 55L is sandwiched between the upper and lower rollers 59 from above and below. The upper and lower rollers 59 roll on the upper and lower surfaces of the rail 55L, and similarly, a pair of upper and lower rollers 61 having a vertical plane as a rotation surface are attached to the front and rear of the right inner surface of the base member 57. The rail 55R is disposed between the upper and lower rollers 61 so as to be sandwiched from above and below, and the upper and lower rollers 61 roll on the upper and lower surfaces of the rail 55R.
[0034]
As shown in FIGS. 2 to 4, rollers 63 having a horizontal plane as a rotating surface are attached before and after the left outer surface of the base member 57, and both rollers 63 roll on the left side surface of the rail 55 </ b> L, and A roller 65 having a horizontal plane as a rotating surface is attached to the front and rear of the right outer surface of the rail 55, and both rollers 65 roll on the right side of the rail 55R. The reels 47L, 47M, and 47R are movably mounted on the rear surface of the reel window 11 so as to be integrally movable together with the frame 49 as a unit in the front-rear direction.
[0035]
By the way, a backlight (not shown) for illuminating each of the reels 47L, 47M, 47R from the inside is disposed at a position closer to the inside of each of the reels 47L, 47M, 47R. At least three of the reels 47L, 47M, 47R seen through the window 11 are clearly illuminated from behind.
[0036]
A motor 67 is attached to a substantially central rear portion on the bottom surface of the base member 57, and a male screw 69 is attached to a rotating shaft extending forward of the motor 67, and is fixed to a substantially central portion of the lower surface of the bottom wall of the frame 49. A male screw 69 is screwed into a female screw 73 formed on the formed guide body 71, and the guide body 71 and the frame body 49 are integrated with the base member 57 by the rotation of the male screw 69 accompanying the rotation of the motor 67. Move forward and backward. Here, the motor 67, the male screw 69, the guide body 71, and the female screw 73 constitute a unit moving unit that moves the frame 49 in the front-rear direction with respect to the housing 3.
[0037]
At this time, a unit movement amount detection sensor 75 composed of a photo interrupter is mounted in front of the motor 67 of the base member 57, and a shielding plate 77 fixed to the lower surface of the guide body 71 is interposed between the light emitter and the light receiver of the sensor 75. Sensor 75 is disposed so that the front and rear through-holes are provided in the shielding plate 77 corresponding to the maximum movement positions in the front and rear directions of the frame body 49, respectively. By detecting the light from the light-emitting device that passes through the light-receiving device, it is detected that the frame body 49 has moved to the maximum movement position in each of the predetermined front and rear directions.
[0038]
As shown in FIGS. 2 to 4, motors 79L, 79M, 79R are attached to the lower surface of the bottom wall of the frame body 49 at positions rearward of the reels 47L, 47M, 47R, respectively. Worm gears 81L, 81M, and 81R are attached to the rotation shaft of 79R.
[0039]
Behind the worm gears 81L, 81M, 81R, shafts 83L, 83M, 83R extending between the top wall and the bottom wall of the frame 49 are rotatably mounted, and lower ends of the shafts 83L, 83M, 83R. Are drawn out below the bottom wall of the frame 49, and the gears 85L, 85M, 85R attached to the lower ends of the shafts 83L, 83M, 83R respectively mesh with the worm gears 81L, 81M, 81R, respectively. The rotations of the motors 79L, 79M, 79R are transmitted to the shafts 83L, 83M, 83R via the worm gears 81L, 81M, 81R and the gears 85L, 85M, 85R, respectively.
[0040]
Further, spur gears 87L are respectively formed on the right side surfaces of the rear ends of the upper and lower rails 51Lu, 51Ld of the reel stands 45L, 45M, 45R, and similarly, the upper and lower rails of the reel stands 45M, 45R. Spur gears 87M, 87R are also formed on the right side surfaces of the rear ends of 51Mu, 51Md and 51Ru, 51Rd, respectively.
[0041]
As shown in FIGS. 2 to 4, gears 89L, 89M, 89R are fixed to the upper and lower ends of the shafts 83L, 83M, 83R, respectively, and both upper and lower gears 89L are connected to upper and lower spur gears 87L of the reel stand 45L. Similarly, both the upper and lower gears 89M mesh with the upper and lower spur gears 87M of the reel stand 45M, and the upper and lower gears 89R mesh with the upper and lower spur gears 87R of the reel stand 45R, respectively. Reel stands 45L, 45M, 45R that support the reels 47L, 47M, 47R are supported movably in the front-rear direction with respect to the frame body 49.
[0042]
Here, each motor 79L, 79M, 79R, each worm gear 81L, 81M, 81R, each shaft body 83L, 83M, 83R, each gear 85L, 85M, 85R, each spur gear 87L, 87M, 87R, and each gear 89L. , 89M, 89R constitute reel moving means for individually moving the respective reels 47L, 47M, 47R in the front-rear direction with respect to the frame body 49.
[0043]
The motor 67 for moving the frame body 49 and the motors 79L, 79M, 79R for moving the reels 47L, 47M, 47R communicate with the main CPU described above in accordance with the state of the game. The motors 79L, 79M, 79R are individually controllable individually, and are controlled by a motor 67 for moving the frame 49. 49, that is, the reels 47L, 47M, and 47R are integrally moved as a unit, and the reels 47L, 47M, and 47R are individually controlled by the motors 79L, 79M, and 79R for moving the reels 47L, 47M, and 47R. By the individual movement, various effects according to the situation of the game are realized. Basically, after the rotation of each of the reels 47L, 47M, 47R is stopped, each of the motors 67, 79L, 79M, 79R is driven to execute the effect.
[0044]
By the way, the reel movement amount detection sensors 91L, 91M, 91R each composed of a photo interrupter are arranged substantially at the left side of the center of the lower rail body 51Ld, 51Md, 51Rd on each of the reel stands 45L, 45M, 45R. The sensors 91L, 91M, and 91R are disposed so that the rail bodies 51Ld, 51Md, and 51Rd are interposed between the light emitters and the light receivers of the sensors 91L, 91M, and 91R, respectively, and in front of the reels 47L, 47M, and 47R. Front and rear through holes are provided in the rail bodies 51Ld, 51Md, and 51Rd respectively corresponding to the maximum movement positions in the rear direction, and light from the light emitters of the sensors 91L, 91M, and 91R passes through the front and rear through holes. Each of the reels 47L, 47M, and 47R is moved forward and backward in a predetermined direction by being transmitted and detected by the light receiver. It has moved to the maximum movement position to record is adapted to be detected.
[0045]
As shown in FIGS. 2 to 4, the front ends of the upper rail bodies 51Lu, 51Mu, and 51Ru are bent upward at substantially right angles, respectively, and the front ends of the lower rail bodies 51Ld, 51Md, and 51Rd are each substantially downward at right angles. A substantially conical projection 93 is integrally formed on the rear side of the bent portion, and the conical projection 93 is inserted into a position corresponding to each projection 93 of the frame body 49. A concave portion 95 is formed, and conical projections 97 are integrally formed on the upper and lower ends of the rear sides of the reel stands 45L, 45M, and 45R. A concave portion 99 is formed in which the projection 93 is inserted. The excessive movement of the reel stands 45L, 45M, 45R toward the rear is restricted by inserting the projections 93, 97 into the concave portions 95, 99.
[0046]
Then, after the drive of the stepping motor is stopped and the rotation of each of the reels 47L, 47M, 47R is stopped by the control of the main CPU, for example, the motor 67 or the control signal of the sub CPU is used according to the game situation at that time. The motors 79L, 79M, 79R are controlled, and, for example, as an effect for notifying that it is a reach eye, the entire frame 49 is moved in the front-rear direction, or the reels 47L, 47M, 47R are individually moved in the front-rear direction. And the reels 47L, 47M, 47R are individually moved in the front-rear direction while the entire frame 49 is moved in the front-rear direction.
[0047]
Therefore, according to the above-described embodiment, the entire frame body 49 is moved in the front-rear direction with respect to the housing 3, and the reels 47L, 47M, 47R are individually moved in the front-rear direction with respect to the housing 3. With a simple configuration, it is possible to realize various game effect expressions.
[0048]
The present invention is not limited to the above-described embodiment, and various changes other than those described above can be made without departing from the gist of the present invention.
[0049]
For example, in the above-described embodiment, both the function of moving the entire frame 49 in the front-rear direction and the function of individually moving the reels 47L, 47M, 47R, that is, the respective reel stands 45L, 45M, 45R, in the front-rear direction are provided. Although the description has been given of a case in which the structure is provided, only one of the function of moving the entire frame body 49 in the front-rear direction or the function of individually moving the reels 47L, 47M, and 47R in the front-rear direction may be employed. Of course it is good.
[0050]
Further, in the above-described embodiment, the entire frame 49 is moved in the front-rear direction by the motor 67, and the individual reels 47L, 47M, 47R are moved in the front-rear direction by the motors 79L, 79M, 79R. It is needless to say that the reels 47L, 47M, 47R may be integrally moved in the front-rear direction by controlling the motors 79L, 79M, 79R synchronously. No. In this case, since the motor 67 can be omitted, there is an advantage that the number of parts can be reduced to simplify the configuration, reduce the cost, and reduce the space.
[0051]
Further, in the above-described embodiment, an example has been described in which the entire frame body 49 and the respective reels 47L, 47M, and 47R are moved in the front-rear direction with respect to the housing 3. 3 may be moved in the left and right direction and the up and down direction within a predetermined movement range.
[0052]
At this time, when the entire frame body 49 and the reels 47L, 47M, and 47R are moved back and forth, left and right, and up and down, any combination of moving directions may be used. Specifically, the entire frame 49 may be moved in the front-rear direction and the reels 47L, 47M, 47R may be individually moved in the left-right direction. The left reel 47L is moved in the front-rear direction and the middle reel 47M is moved. May be controlled to move in the left-right direction, and the right reel 47R may be moved in the up-down direction.
[0053]
【The invention's effect】
As described above, according to the first aspect of the present invention, each reel is moved at least in the front-rear direction with respect to the housing by the reel moving means, thereby realizing various game effects with a simple configuration. It becomes possible to do.
[0054]
According to the second aspect of the present invention, the unit holding means is moved at least in the front-back direction with respect to the housing by the unit moving means, and each reel support means is moved in the front-back direction as a unit. It is possible to move the reel integrally in the front-back direction.
[0055]
According to the third aspect of the present invention, since each reel supporting means is individually moved by the reel moving means, it is possible to realize various game effects by individually moving each reel. .
[0056]
According to the fourth aspect of the present invention, since each reel supporting means is moved individually or integrally by the reel moving means, more diverse game effects can be produced by moving each reel individually or integrally. Expression can be realized.
[0057]
According to the fifth aspect of the present invention, since each reel is moved not only in the front-back direction but also in the left-right direction and the up-down direction by the reel moving means, the movement of each reel in the front-back, left-right, up-down directions Thus, it is possible to realize more diverse game effect expressions.
[0058]
According to the sixth aspect of the present invention, each reel can be moved by, for example, a combination of a rack and a pinion by a motor driven by a control signal, so that the reel moving means can be simply configured. Becomes possible.
[0059]
According to the seventh aspect of the present invention, each reel is integrally formed as a unit by the unit moving means in one of the front-rear direction, the left-right direction, and the up-down direction within a predetermined unit moving range. Because of the movement, it is possible to realize more diverse game effect expressions.
[0060]
According to the invention, each reel can be moved as a unit by a motor driven by a control signal, for example, through a combination of a rack and a pinion, so that the unit moving means is simply configured. It becomes possible to do.
[Brief description of the drawings]
FIG. 1 is a front view of an entire slot machine according to an embodiment of the present invention.
FIG. 2 is a front view of the reel support device according to the embodiment of the present invention.
FIG. 3 is a plan view of the reel support device according to the embodiment of the present invention.
FIG. 4 is a right side view of the reel support device according to the embodiment of the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 slot machine 3 housing 5 front panel 43 reel support device 45L, 45M, 45R reel stand (reel support means)
47L, 47M, 47R Reel 49 Frame (unit holding means)
57 Base member (mounting means)
67 Motor (unit moving means)
69 Male thread (unit moving means)
71 Guide body (unit moving means)
73 female screw (unit moving means)
79L, 79M, 79R Motor (reel moving means)
81L, 81M, 81R Worm gear (reel moving means)
83L, 83M, 83R Shaft (reel moving means)
85L, 85M, 85R gears (reel moving means)
87L, 87M, 87R spur gear (reel moving means)
89L, 89M, 89R Gears (reel moving means)

Claims (8)

In a reel supporting device of a slot machine that supports a plurality of reels rotatably provided in a housing of the slot machine, a plurality of symbols are drawn on each peripheral surface,
A plurality of reel support means for rotatably and movably supporting each of the reels,
Unit holding means attached to the housing and holding each of the reel support means as a unit,
A reel moving device for moving each of the reels at least in the front-rear direction with respect to the housing. Mounting means for movably mounting the unit holding means to the housing;
2. The reel support device for a slot machine according to claim 1, further comprising: a unit moving unit that moves the unit holding unit at least in the front-rear direction with respect to the housing. 3. The slot machine according to claim 1, wherein the reel moving unit moves each of the reels by individually moving each of the reel supporting units with respect to the unit holding unit. Reel support device. The reel moving means also has a function of integrally moving each of the reel supporting means, and is configured to be able to select individual movement of each of the reels or integral movement of each of the reel supporting means. The reel support device for a slot machine according to claim 3. The reel moving means may selectively move each of the reels in the left-right direction and the up-down direction in addition to the front-rear direction with respect to the housing within a predetermined reel moving range. The reel support device for a slot machine according to any one of claims 1 to 4. 6. The reel supporting device for a slot machine according to claim 1, wherein said reel moving means includes a motor driven by an external control signal. The unit moving means may selectively move the unit holding means in a predetermined unit moving range with respect to the housing in the front-rear direction as well as in the left-right direction and the up-down direction. The reel support device for a slot machine according to claim 2. 8. The reel supporting device for a slot machine according to claim 2, wherein said unit moving means includes a motor driven by an external control signal.

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