JPH114954A - Lifting polishing equipment - Google Patents

Abstract

(57) [Summary] [Problem] To easily maintain an appropriate number of game media in a gaming machine,
Further, the present invention provides a lifting polishing apparatus capable of eliminating a factor of noise. SOLUTION: Game media from each gaming machine 2 are separately collected,
The game media polished and polished are returned directly to the respective gaming machines 2 without passing through the supply gutter, and the gaming media are circulated in the gaming machines 2 to increase or decrease the number of the gaming media in the gaming machines 2. Without doing so, the appropriate number of game media can be easily maintained, and the cause of noise can be eliminated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing apparatus for polishing a game medium used in a game machine while lifting the game medium.

[0002]

2. Description of the Related Art As a conventional lifting polishing apparatus, for example,
A transport belt is disposed in a waist plate constituting the lower part of the gaming machine island, the transport belt transports a game medium, which is a pachinko ball, in a horizontal direction, and a lifting polishing cylinder is erected in the center of the gaming machine island, and is transported. The polishing cylinder agitates and transports the transported game medium and the abrasive, and the polished game medium is supplied to the upper tank of each game machine through a supply gutter arranged at the top of the game machine island. There is something. An empty sensor and a full sensor are provided in the upper tank, and the supply of the game medium is controlled based on the output signal of each sensor.

[0003]

However, in such a conventional pumping and polishing apparatus, game media from many game machines constituting a game machine island are collectively collected and pumped and polished. Control output of game media to each game machine is complicated, it is difficult to maintain an appropriate number of game media in the game machine, and polished game media Since it is supplied to the upper tank of each gaming machine through the supply gutter, there is a problem that the sound of the game medium flowing through the supply gutter causes noise in the game hall. The present invention has been made in view of such conventional problems, and separately collects, separates, and polishes game media from each game machine, and directly polishes the game media without passing through a supply gutter. The game media can be easily maintained at an appropriate number without circulating the game media in the game machine by increasing or decreasing the game media in the game machine by returning the game media to each of the game machines. It is an object of the present invention to provide a pumping and polishing apparatus that can eliminate the problem.

[0004]

The gist of the present invention to achieve the above object lies in the following inventions. [1] In a pumping and polishing apparatus (10a) for polishing a game medium used in a gaming machine (2) while pumping the same, a lifting belt (10) for feeding a game medium has a belt surface ( Reference numeral 12) denotes an endless flat belt which stands upright, and a belt surface (12) of the lifting belt (10) has a ridge (1).
4), wherein the ridge (14) is provided on the belt surface (1).
2) spirally wound from a lower edge portion (12a) to an upper edge portion (12b) of the belt surface (12), and the ridge (14) is wound around the vertical belt surface (12); A game medium mounting surface (16) protruding outward substantially orthogonal to the outer surface;
The introduction path (20) is provided at the starting end (14) of the ridge (14).
a) formed at the lower edge (12) of the belt surface (12).
a), a game medium can be introduced into the guide groove (3) facing the belt surface (12).
2), and the guide groove (32) is provided with a groove wall (2) for restraining the game medium loaded on the game medium mounting surface (16) of the ridge (14) from moving in the spiral direction. 34), and a groove wall (3) of the guide groove (32) of the lifting path (30).
4) is composed of a polished surface, from the lower edge (12a) of the belt surface (12) where the starting end (14a) of the convex strip (14) is formed, of the convex strip (14). Terminal part (14
b) formed on the upper edge (12) of the belt surface (12).
A polishing apparatus (10a), characterized in that it is extended to b).

[2] The pumping and polishing apparatus according to [1] (10)
a) is interposed between adjacent gaming machines (2),
The lifting belt (10) of the lifting polishing device (10a) is wound around a pair of pulleys (11), and the lifting belt (10) is linearly arranged between the pair of pulleys (11). It has two stretched belt surfaces (12), and the introduction path (20) from each of the gaming machines (2) extends to the lower edge (12a) of each of the belt surfaces (12). It is characterized by having been done.

[3] The pumping and polishing apparatus according to [1] (10)
a) is equipped with at least one gaming machine (2) in an island of a gaming machine (2) island in which a plurality of gaming machines (2) are arranged in a polygonal shape, and the lifting polishing apparatus (10a) includes a lifting belt (10). ) Is wound around a plurality of pulleys (11), and the lifting belt (10) has a plurality of belt surfaces (12) linearly stretched between the respective pulleys (11). The introduction path (20) from each of the gaming machines (2) is connected to each of the belt surfaces (1).
2) It is characterized by being extended to the lower edge (12a).

[4] A lifting belt (10) for lifting a game medium in a lifting / polishing apparatus (10a) for polishing a game medium used in a gaming machine (2) while lifting the same.
The belt surface (12) is an endless flat belt that stands upright, is wound around a pair of pulleys (11), and the belt surface (12) of the lifting belt (10) has a ridge ( 14), and the ridges (14) extend from the lower edge (12a) of the belt surface (12) to the belt surface (1).
2) A game medium placement that is spirally wound around an upper edge portion (12b), and the convex strip (14) protrudes outward substantially orthogonal to the vertical belt surface (12). Surface (16), the game medium placement surface (16) is formed of a polished surface, and the introduction path (20) is formed with the start end (14a) of the convex strip (14). A plurality of game media can be introduced in parallel to the lower edge (12a) of the belt surface (12), and the lifting path (30) is connected to the introduction path (2).
0), and a plurality of them are provided corresponding to the number of
0) is a guide groove (32) facing the belt surface (12).
The guide groove (32) has a groove wall (34) for restraining the introduced game medium placed on the game medium mounting surface (16) of the convex strip (14) in a spiral direction so as to be immovable. Has,
The groove wall (34) of the guide groove (32) is formed of a polished surface, and is formed from the lower edge (12a) of the belt surface (12) on which the starting end (14a) of the ridge is formed. Body (14)
The belt surface (12) on which the end portion (14b) of the belt is formed
To the upper edge (12b) of the guide groove (3).
In 2), a slit (38) for removing foreign matter, which is communicated from the outside to the inside of the guide groove (32), is opened, and the end of the lifting path (30) is used to carry a lifting-polished game medium. A lifting polishing apparatus (10a), comprising a forced moving member (39) for forcibly moving to an outlet communicating with an upper tank of a gaming machine (2).

Next, the operation of the invention described in each of the above items will be described. In the lifting and polishing apparatus (10a) according to the item [1], the game medium used in the gaming machine (2) passes below the belt surface (12) of the lifting belt (10) via the introduction path (20). Introduced to the edge (12a). The introduced game medium is a game medium placement surface (16) at the start end (14a) of the ridge (14) formed on the lower edge (12a) of the belt surface (12).
Be placed on The game medium placed on the game medium placement surface (16) is transported to the lifting path (30) facing the belt surface (12).
The groove wall (34) of the guide groove (32) is immovably restrained in the spiral direction. Thereby, the game medium is pushed up to the game medium placement surface (16). The game medium pushed up is lifted by the groove wall (34) of the guide groove (32) to the upper edge (12b) of the belt surface (12) on which the terminal end (14b) of the ridge (14) is formed. Sent. At this time, since the groove wall (34) of the guide groove (32) of the lifting path (30) is formed of a polished surface, the surface of the game medium is polished to the polished surface to remove dirt on the surface. Is done. The game medium which has been transported and polished is again used as a gaming machine (2).
Can be supplied.

[0009] In the lifting and polishing apparatus (10a) according to the item [2], the lifting belt (10) of the lifting and polishing apparatus (10a) is wound around a pair of pulleys (11), so that each of the pulleys (11) is rotated. ) Have two belt surfaces (12) stretched straight. Although the two belt surfaces (12) are used for lifting polishing, a curved surface of the belt surface (12) wound around the pulley (11) can be used for lifting polishing. In the adjacent gaming machine (2), the game medium used in each gaming machine (2) is lifted and transported by using the two belt surfaces (12) of the integrated lifting and polishing device (10a). The game media that has been polished and pumped and polished can be returned to each of the gaming machines (2) again. As a result, in each of the gaming machines (2), a certain number of game media are circulated without increasing or decreasing the number of game media used, and the appropriate number of game media to be first taken into each game media is set. If this is done, then there is no need to supply game media. Thereby, one lifting polishing device (10a)
However, the game media from two adjacent gaming machines (2) can be lifted and polished, and can be maintained at an appropriate number without increasing or decreasing the number of gaming media for each gaming machine (2). .

[0010] In the pumping and polishing apparatus (10a) according to the item [3], the pumping and polishing apparatus (10a) is provided even on a game machine (2) island in which a plurality of gaming machines (2) are arranged in a polygonal shape. can do. That is, the lifting belt (10) of the lifting polishing device (10a) is wound around a plurality of pulleys (11), so that a plurality of belt surfaces (12) stretched linearly between the pulleys (11) are provided. If the introduction path (20) from each of the gaming machines (2) is extended to the lower edge (12a) of any one of the plurality of belt surfaces (12), each game can be performed. The game media from the machine (2)
Each belt surface (12) is lifted and polished, and can be returned to each gaming machine (2) again.

The lifting and polishing apparatus (10a) is a thin type in which a lifting belt (10) is wound around a pair of pulleys (11), and one or more thin lifting and polishing apparatuses (10a) are provided in the island. May be provided. In this case, one lifting and polishing apparatus (10a) has two belt surfaces (12), but each of the two belt surfaces (12) has a dedicated surface from each gaming machine (2). May be extended so that each belt surface (12) is dedicated, and one of the two belt surfaces (12) is provided with an introduction path (20) from each gaming machine (2).
May be extended to share the respective belt surfaces (12). The lifting polishing device (10a) is wound around a plurality of pulleys (11) so that the lifting belt (10) is also polygonally shaped along the polygonal game machine (2) from inside. Of a plurality of belt surfaces (1
You may make it correspond from 2) from inside. Thereby, one lifting and polishing apparatus (10a) lifts and polishes game media from a large number of gaming machines (2), and increases or decreases the number of gaming media for each gaming machine (2). Can be maintained and maintained at an appropriate number.

In the lifting polishing apparatus (10a) according to the item [4], the introduction path (20) can introduce a plurality of game bodies in parallel, and the introduction path (30) also has a plurality of introduction paths. Road (2
Since a plurality of game media are provided in correspondence with 0), it is possible to improve the ability to polish and polish game media. In addition, guide groove (3
In (2), since a slit (38) for removing foreign matter which is communicated from the outside to the inside of the guide groove (32) is opened, foreign matter is taken into the guide path together with the game medium, and the guide groove (32) of the guide path is provided. Even if a foreign substance is clogged in the inside, the foreign substance can be easily removed through the slit (38).
Further, the game medium discharged to the terminal end of the lifting path (30) is forcibly moved to an outlet (35) leading to the upper tank (8) of the gaming machine (2) by the forcibly moving member (39). . The polished game media discharged to the upper tank (8) is returned directly to the upper tank (8) without passing through, for example, a supply gutter provided on the upper part of the gaming machine island (1) and returned. The game medium can be used again for the game.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Each drawing shows an embodiment of the present invention. FIG. 1 is a lower perspective view of a pumping and polishing apparatus according to one embodiment of the present invention. FIG. 2 is also a front view of the mounted state of the lifting polishing apparatus. FIG. 3 is a top perspective view of the lifting polishing apparatus. FIG. 4 is an overall perspective view of the lifting polishing apparatus. FIG. 5 is a perspective view of the lifting belt of the lifting polishing apparatus. FIG. 6 is a perspective view of a lifting path of the lifting polishing apparatus.

As shown in FIGS. 1 to 6, the lower part of the gaming machine island 1 is constituted by a waist plate 3, and the upper surface of the gaming machine 2 is constituted by a top plate 3a. The gaming machine 2 which is a pachinko machine is provided on the top plate 3a.
Are fixed to the front and rear, respectively. An upper plate 4a, a lower plate 4, and a ball box 5 below the lower plate 4 are provided on the front surface of the gaming machine 2. Inside the gaming machine 2, there are provided an outrail 6 for collecting the counting ball discharged from the ball box 5 and the outball hit on the game board surface, and a lower tank 7 located at the tip of the outrail 6. I have.

The pumping and polishing apparatus 10a is for polishing while transporting game media used in each of the front and rear game media. The lifting belt 10 for lifting game media is constituted by an endless flat belt whose belt surface 12 stands upright. The lifting belt 10 includes a pair of pulleys 11.
Is wrapped around. One gaming machine island 1 is a drive pulley driven by a drive motor 13. The pair of pulleys 11 are supported by a pair of upper and lower base members 15, and the drive motor 13 is supported by the upper base member 15. By being stretched on the pair of pulleys 11, two linear belt surfaces 12 are formed on the left and right of the lifting belt 10.

The belt surface 12 of the lifting belt 10 has a convex strip 1
Four. The ridges 14 are spirally wound from the lower edge 12a of the belt surface 12 to the upper edge 12b of the belt surface 12. In the present embodiment, one convex ridge 14
However, it may be two or three ridges 14. Further, the spiral pitch of the ridges 14 is constant, but need not be constant. The ridges 14 are formed on the vertical belt surface 12.
The game medium mounting surface 16 protruding outward substantially orthogonal to
have. The game medium mounting surface 16 is inclined obliquely upward toward the outside. The game medium mounting surface 16 is formed of a polished surface. The polishing surface of the game medium mounting surface 16 is formed from an abrasive or a polishing cloth.

The discharge path 7a of the lower tank 7 is connected to the introduction path 20.
Leads to. The introduction path 20 has eight alignment grooves 21, and a plurality (eight) of game media are arranged in parallel to form a lifting path 30.
, And can be introduced into each of the eight inlets 31. The entrance 31 of the lifting path 30 communicates with the lower edge 12a of the belt surface 12 where the start end 14a of the ridge 14 is formed. A plurality of (eight) lifting paths 30 are provided corresponding to the number of introduction paths 20, and each lifting path 30 has a guide groove 32 facing the belt surface 12. The guide groove 32 is provided in the convex strip 1
4 has a groove wall 34 for restraining the game medium placed on the game medium placement surface 16 of the start end portion 14a from moving in the spiral direction. The groove wall 34 is recessed into a substantially semicircular cross-sectional shape so as to surround half of the spherical game medium from outside. The groove wall 34 of the guide groove 32 is formed of a polished surface made of an abrasive or the like. The groove wall 34 of the guide groove 32 moves upward, that is, from the lower edge 12a of the belt surface 12 where the start end 14a of the convex strip 14 is formed to the end 14 of the convex strip 14.
b extends to the upper edge 12b of the belt surface 12 where the belt surface 12 is formed. The guide groove 32 is provided with a vertically long slit 38 for removing foreign matter, which communicates with the inside of the guide groove 32 from the outside.

An outlet 35 and a forcibly moving member 39 are formed at the end of the lifting path 30. Eight exits 35 are provided corresponding to the guide grooves. The outlet 35 is inclined obliquely downward and communicates with the upper tank 8 of the gaming machine 2. The forcibly moving member 39 is a pushing surface located above the game medium to be lifted, and the forcing surface of the forcibly moving member 39 is inclined upward and outward. Further, annular fitting portions 36 and 37 that fit into the upper end and the lower end of the lifting belt 10 are formed at the upper end and the lower end of the lifting path 30. Each component (the inlet 31 to the forcibly moving member 39) of the lifting path 30 is integrally formed.

FIG. 2 schematically shows the upper tank 8. Details of the upper tank 8 are shown in FIGS. FIG. 7 is a plan view of an upper tank of the gaming machine according to one embodiment of the present invention. FIG. 8 is a front view of the upper tank. FIG. 9 is also a plan view of the chute of the upper tank. FIG. 10 is a front view of the chute. FIG. 11 is a side view of the chute. FIG.
As shown in FIG. 11, the bottom portion 81 of the upper tank 8 has a pair of openings 82, one opening 82 leading to the ball lending machine, and the other opening 82 leading to the gaming machine 2. The bottom 81 of the upper tank 8 is inclined downward toward each opening 82.
The lower surface of the upper tank 8 has openings 8 corresponding to the openings 82.
Each chute 83 is provided for guiding the game medium discharged through 2.

Next, the operation will be described. A game medium that is an out ball used in the gaming machine 2 is stored in the outrail 6 to the lower tank 7. Alternatively, when the ball box 5 is filled with a fever (prize state) or the like, or when a counting button (not shown) is pressed, the shutter of the upper tank 8 is opened (top plate 3a). Is opened, and discharged through the opening, counted by the ball sensor, and stored in the outrail 6 to the lower tank 7. The shutter closes the opening when a certain period of time (e.g., a time necessary to finish counting when the carton box 5 is full) elapses after the second press of the count button or the first press of the count button.

The game media stored in the lower tank 7 are:
The inlet 31 is aligned in eight rows in the alignment grooves 21 of the introduction path 20.
Through the lower edge 12a of the belt surface 12 of the lifting belt 10
Is introduced to That is, eight game media are successively introduced into the lower edge 12a of the belt surface 12 one by one, and the introduced game media are formed at the start end 14a of the ridge 14 formed on the lower edge 12a of the belt surface 12. The game media are placed on the game media placing surface 16 one after another. That is, the eight game media introduced into the lower edge 12a of the belt surface 12 are successively scraped up by the starting end 14a of the ridge 14.

The game medium placed on the game medium placement surface 16 is immovably restrained in the spiral direction by the groove wall 34 of the guide groove 32 of the lifting path 30 facing the belt surface 12. The game medium whose movement in the spiral direction is restricted is the drive motor 1
When the pulley 11 is rotated in a predetermined direction (the direction indicated by the arrow in FIG. 1) by 3, the pulley 11 is pushed up to the game medium mounting surface 16. The game medium pushed up is guided by the guide groove 32.
Is fed to the upper edge portion 12b of the belt surface 12 on which the end portion 14b of the ridge 14 is formed. Based on the number of turns of the ridge 14 in FIG. 4, when the game medium is scraped up by the start end 14 a of the ridge 14 and the lifting belt 10 rotates 23.5 times, the end of the ridge 14 ends. 14b
To reach.

When the game medium is lifted, since the groove wall 34 of the guide groove 32 of the lifting path 30 is formed of a polished surface, the surface of the game medium is polished to the polished surface of the groove wall 34. ,
Dirt on the surface is removed. In addition, since the game medium relatively rolls on the game medium mounting surface 16 of the ridge 14, the game medium mounting surface 16 is also formed of a polished surface. The dirt on the polished surface is also removed. The game medium transported to the upper edge portion 12b of the belt surface 12 comes into contact with the pushing surface of the forcibly moving member 39, is forcibly pushed outward (toward the outlet 35), and passes through the outlet 35 to play the game. It is discharged to the upper tank 8 of the machine 2. The polished game media discharged to the upper tank 8 is
The game machine 2 and the ball rental machine are returned again without passing through the supply gutter, that is, without making noise.

The lifting belt 10 of the lifting and polishing apparatus 10a is wound around a pair of pulleys 11 to have two belt surfaces 12 linearly stretched between the respective pulleys 11. These two belt surfaces 12 are used by two front and rear gaming machines 2 for polishing. The two front and rear gaming machines 2 can respectively lift and polish the respective game media by using the two belt surfaces 12 of the integrated lifting / polishing device 10a. It can be returned to each gaming machine 2 again. As a result, in each of the gaming machines 2, a certain number of game media are circulated without increasing or decreasing the number of game media used, and the appropriate number of game media to be first taken into each game media can be set. Then, after that, it is not necessary to supply the game media. In addition, foreign matter may be taken into the guide groove 32 of the lifting path 30 while being mixed with the game medium, and the foreign matter may be clogged in the guide groove 32. In the case where such foreign matter is mixed, the foreign matter clogged in the guide groove 32 can be easily removed through the slit 38 for removing foreign matter.

In the above-described embodiment, in the two islands constituted by the two front and rear gaming machines 2, the two
Although only one of the projecting ridges 14 is used for pumping and polishing, as shown in FIG. 12, as shown in FIG. Stripe 14
Both of them may be used by the left and right gaming machines 2 for polishing.

[0026]

According to the pumping apparatus according to the present invention,
The game media from each game machine is separately collected, pumped and polished, and the polished game media is directly returned to each game machine without passing through the supply gutter, so that the game media is circulated in the game machine. Therefore, the number of game media can be easily maintained at an appropriate number without increasing or decreasing the number of game media in the gaming machine, and a factor of noise can be eliminated.

[Brief description of the drawings]

FIG. 1 is a lower perspective view of a pumping and polishing apparatus according to an embodiment of the present invention.

FIG. 2 is a front view of a mounted state of the lifting and polishing apparatus according to the embodiment of the present invention.

FIG. 3 is a top perspective view of the pumping and polishing apparatus according to one embodiment of the present invention.

FIG. 4 is an overall perspective view of the pumping and polishing apparatus according to one embodiment of the present invention.

FIG. 5 is a perspective view of a lifting belt of the lifting polishing apparatus according to the embodiment of the present invention.

FIG. 6 is a perspective view of a lifting path of the lifting polishing apparatus according to the embodiment of the present invention.

FIG. 7 is a plan view of an upper tank of the gaming machine according to one embodiment of the present invention.

FIG. 8 is a front view of an upper tank of the gaming machine according to one embodiment of the present invention.

FIG. 9 is a plan view of a chute of the upper tank according to one embodiment of the present invention.

FIG. 10 is a front view of the chute of the upper tank according to the embodiment of the present invention.

FIG. 11 is a side view of the chute of the upper tank according to the embodiment of the present invention.

FIG. 12 is a front view showing a mounted state of a pumping and polishing apparatus according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Game machine island 2 ... Game machine 3 ... Waist board 3a ... Top plate 4 ... Lower plate 5 ... Tama box 6 ... Out rail 7 ... Lower tank 7a ... Discharge path 8 ... Upper tank 10 ... Lifting belt 10a ... Lifting grinding Apparatus 11 Pulley 12 Belt surface 12a Lower edge 12b Upper edge 13 Drive motor 14 Convex strip 14a Start end 14b End end 15 Base member 16 Game media placement surface 20 Introduction path DESCRIPTION OF SYMBOLS 21 ... Alignment groove 30 ... Lifting path 31 ... Inlet 32 ... Guide groove 34 ... Groove wall 35 ... Exit 38 ... Slit for removing foreign substances 39 ... Forced moving member 81 ... Bottom 82 ... Opening 83 ... Chute

Claims (4)

[Claims] 1. A lifting and polishing apparatus for polishing a game medium used in a game machine while lifting the game medium, wherein a lifting belt for lifting the game medium has an endless vertical surface. A flat belt, wherein the belt surface of the lifting belt has a ridge, and the ridge is spirally wound from a lower edge of the belt surface to an upper edge of the belt surface; The convex strip has a game medium mounting surface protruding outward substantially perpendicular to the vertical belt surface, and the introduction path is defined by the belt surface on which the start end of the convex strip is formed. The lower edge portion is configured to be able to introduce a game medium, the lifting path has a guide groove facing the belt surface, and the guide groove is provided on the game medium mounting surface of the introduced ridge. It has a groove wall that restrains the loaded game medium so as not to be able to move in the spiral direction, The groove wall of the guide groove of the transport path, The belt is formed of a polished surface, and extends from a lower edge of the belt surface on which a starting end of the ridge is formed to an upper edge of the belt surface on which an end of the ridge is formed. A lifting polishing apparatus characterized in that: 2. The lifting and polishing apparatus according to claim 1, wherein said lifting and polishing apparatus is interposed between adjacent gaming machines, and a lifting belt of said lifting and polishing apparatus is wound around a pair of pulleys. The lifting belt has two belt surfaces that are linearly stretched between the pair of pulleys, and an introduction path from each of the gaming machines extends to a lower edge portion of each of the belt surfaces. It is characterized by having. 3. The lifting and polishing apparatus according to claim 1, wherein at least one of the plurality of gaming machines is provided on an island of a gaming machine island in which a plurality of gaming machines are arranged in a polygonal shape. The belt is wound around a plurality of pulleys, the lifting belt has a plurality of belt surfaces that are linearly stretched between the respective pulleys, and an introduction path from each of the gaming machines is It is characterized in that it extends to the lower edge of each belt surface. 4. A lifting and polishing apparatus for polishing a game medium used in a game machine while lifting the game medium, wherein a lifting belt for lifting the game medium has an endless belt with a vertical belt surface. A flat belt, which is wound around a pair of pulleys, wherein a belt surface of the lifting belt has a ridge, and the ridge is an upper edge of the belt surface from a lower edge of the belt surface. The ridge is spirally wound around a portion, and the ridge has an outwardly protruding game medium mounting surface substantially perpendicular to the vertical belt surface, and the game medium mounting surface is a polished surface. The introduction path is configured so that a plurality of game media can be introduced in parallel to a lower edge portion of the belt surface on which the starting end of the ridge is formed. , Provided corresponding to the number of the introduction paths, each lifting path is a guide groove facing the belt surface The guide groove has a groove wall that restrains the game medium introduced and placed on the game medium mounting surface of the ridge so as not to be movable in a spiral direction, The groove wall of the guide groove is: It is constituted by a polished surface, and extends from a lower edge portion of the belt surface on which the starting end portion of the ridge is formed to an upper edge portion of the belt surface on which an end portion of the ridge is formed, The guide groove is provided with a slit for removing foreign matter that communicates with the inside of the guide groove from the outside, and the terminal end of the lifting path is connected to an outlet that communicates the polished game medium to the upper tank of the gaming machine. A lifting and polishing apparatus comprising a forcibly moving member for forcibly moving.