JP2005279131A - Front door of game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front door permitting easily attaching a double-layered glass with double-structure and facilitating the replacement work. <P>SOLUTION: The front door 1 consists of a front cover 10 and a double-layered glass unit 8, and is fixed by engaging a fixing projection part 23 disposed in an outside part 15 of the double-layered glass unit 8 with an engagement part 22 disposed in an peripheral edge 21 on the rear surface of the front cover 10. The engagement part 22 and the fixing projection part 23 are detachably engaged with each other by making the double-layered glass unit 8 abut to an opening 9 and rotating them at a prescribed angle. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a front door provided on a front surface of a gaming machine main body provided in a pachinko machine, a throttle, or other gaming machines.

Conventionally, a gaming machine such as a pachinko machine has a front door that has a front surface of a gaming machine body having a gaming board and an opening corresponding to the front surface of the gaming board part and a transparent plate such as a glass plate attached thereto. It is arrange | positioned so that rotation with respect to is possible. Many of these transparent plates employ double-layer glass to protect players when glass plates are damaged by the impact of pachinko balls, etc., and to prevent cheating by magnets, etc. As a double glazing unit having a glass holding member on the outer peripheral edge of the double glazing, there is one having a structure attached from the back side of the front cover as a base.
These multi-layer glass units for the front door are often required to be replaced when they are damaged by an impact of a pachinko ball or the like. In addition, as a method of fixing the multilayer glass unit to the front cover, a holding member provided with a groove for retaining the multilayer glass is attached to the back surface of the front cover, and the multilayer glass is slid from above according to the groove. There are a method of inserting it vertically, a method of attaching a plurality of fixing flanges for fixing screws to the holding member of the multilayer glass unit, and fixing the screws via a stopper (see Patent Document 1).
JP-A-9-718

  However, the method of inserting the multi-layer glass vertically while sliding it becomes a relatively easy operation in the case of a glass plate of a rectangle or the like, but other shapes such as a circle or an ellipse according to the shape of the game board etc. When it was going to attach the glass plate of this, there existed a possibility that attachment might become difficult. In addition, in the method of fixing the screw through the stopper metal, it is necessary to hold the glass plate with one hand while stopping the fixing tool such as a screw with the other hand, so that the operator does not damage the glass plate. However, it was not easy for an unfamiliar worker to work alone. In addition, there is a problem that the glass surface becomes dirty due to fingerprints and the mounting workability is poor.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a front door that can be easily attached with a double-layered double-layer glass and that can be easily replaced. Another object of the present invention is to prevent the attachment of fingerprints and improve the mounting workability.

  In order to achieve the above-mentioned object, the invention according to claim 1 is characterized in that a front cover having an opening for seeing through the game board and a peripheral portion forming the opening, a frame-shaped and a plurality of glass plates. A multi-layer glass unit in which a front glass and a back glass are inserted into a glass holding member having an insertion groove, a plurality of fixing protrusions provided on one of the peripheral edge or the glass holding member, and the other of the other A plurality of engaging portions provided on the fixing glass, wherein the fixing protrusion and the engaging portion are detachably engaged by rotating the multilayer glass unit.

  The fixing protrusion may be provided on the glass holding member, and the engaging part may be provided on the peripheral edge. Conversely, the fixing protrusion is provided on the peripheral edge, and the engaging part is provided on the glass holding member. May be. The engaging portion is preferably formed with a recess in which the fixing protrusion is engaged. It is preferable that the fixing protrusion and the engaging portion have a tapered surface. Further, it is preferable that the fixing protrusion is press-fitted into the engaging portion. The engagement is preferably performed so that the fixing protrusion does not separate from the engagement portion by friction engagement.

  According to a second aspect of the present invention, there is provided a pressing member that fixes the fixing protrusion and the engaging portion so as not to disengage the engagement. The pressing member is preferably provided on the peripheral edge or the glass holding member. The pressing member is preferably a stopper that rotates around a fulcrum and presses the fixing protrusion against the engaging portion.

  The invention according to claim 3 is a glass holding member having a front cover having an opening for seeing through the game board and a peripheral portion forming the opening, and a frame-shaped and a plurality of glass plate insertion grooves. A multi-layer glass unit having a front glass and a back glass inserted therein, a plurality of engaging portions provided on one of the peripheral edge or the glass holding member, and a plurality of objects provided on the other of the other. An engagement portion and at least two handles provided on the multilayer glass unit are provided, and the engagement portion and the engaged portion are detachably engaged with each other.

  The handle improves operability when the operator attaches the multi-layer glass unit to the peripheral portion, and for example, an annular structure is preferable. In addition to the engagement defined by claim 1 and the engagement by the pressing member defined by claim 2, the engagement includes engagement by screwing and the like.

  According to the first aspect of the present invention, the worker aligns the multi-layer glass unit with the opening on the back surface of the front cover and rotates the engaging portion so that the fixing protrusion is engaged with the multi-layer glass unit. Since they can be fixed, it is possible to save the trouble of holding the glass with one hand and using the locking member or the like with the other hand, as in the prior art. As a result, it is possible for one worker to easily attach and replace the inner glass in a short time.

  According to the second aspect of the present invention, since the engagement between the fixing protrusion and the engaging portion can be reliably fixed by the pressing member, the degree of engagement between the fixing protrusion and the engaging portion is slightly weak. Even so, the engagement can be stabilized. Moreover, when removing glass, it can remove simply by removing a press member.

  According to the third aspect of the present invention, the operator can work by holding the handle when attaching the multi-layer glass unit to the front cover, and thus can work without touching the glass plate portion. Accordingly, it is possible to prevent the glass and the like from being stained due to fingerprints and the like, and the glass insertion and removal operations are facilitated.

Embodiments of the present invention will be described below with reference to the drawings.
(Embodiment 1)
As shown in FIG. 1, a front door 1 of a pachinko gaming machine according to Embodiment 1 to which the present invention is applied is composed of an outer frame 2, an operation handle 3, an upper ball supply tray 4, a lower ball receiving tray 5, a game board 6, and the like. It is attached to the gaming machine 7. Hereinafter, the front door 1 of this embodiment is demonstrated with reference to FIGS.

  As shown in FIG. 2, the front door 1 is configured by a front cover 10 having an opening for seeing through the game board 6 and a multilayer glass unit 8 including a substantially circular glass plate attached to the front cover 10. ing. The front door 1 is supported at one end of the outer frame 2 so as to be openable and closable, and is attached to the front surface of the gaming machine main body 11 including the gaming board 6 of the pachinko gaming machine 7.

  A circular mounting opening 9 is formed at the center of the front cover 10, and a circular multilayer glass unit 8 formed with a slightly larger diameter than the mounting opening 9 is formed in the mounting opening 9. 10 can be attached from the back side.

  As shown in FIGS. 3 to 5, the multilayer glass unit 8 includes a front glass 12, a back glass 13, and a holding member 14 formed as a circular outer peripheral portion. As shown in FIG. 3, the glass positioned on the player side of the pachinko gaming machine 7 is the front glass 12, and the glass positioned on the gaming board 6 side of the pachinko gaming machine 7 is the back glass 13. The holding member 14 is formed in a frame shape that holds the front glass 12 and the back glass 13 in parallel at a predetermined interval (see FIG. 5A). In addition, the holding member 14 is formed with an annular outer portion 15 in which a security groove 15 a is provided to prevent foreign matters from entering the game area on the pachinko game board 6 from the outside. The outer portion 15 protrudes in the outer diameter direction of the holding member 14 and is formed outside the front glass 12. The holding member 14 is formed with circular glass plate insertion grooves 17 and 18 for inserting and fixing the front glass 12 and the back glass 13.

  As shown in FIG. 5A, the inner peripheral edges of the front glass 12 and the back glass 13 are bonded by an adhesive injected into the bonding groove 16, and are respectively inserted into the glass plate insertion grooves 17 and 18 of the holding member 14. It is held and has a double glass structure. The holding member 14 has an outer portion 15 having a U-shaped cross section and an inner portion 20 having a horizontal H shape in cross section, which are integrally formed.

A plurality of (for example, four) fixing protrusions 23 having a shape protruding in the outer diameter direction are formed on the outer portion 15 of the holding member 14 on the side that holds the front glass 12 (FIG. 5B). reference). A taper surface 24 is formed on one surface of the fixing projection 23. When the multi-layer glass unit 8 is rotated and fitted to the front cover 10, the tapered surface 24 is formed to be inclined forward with respect to the rotation direction.
On the other hand, as shown in FIG. 6, an engaging portion 22 is provided at a peripheral edge portion 21 formed so as to surround the opening 9 on the back surface of the front cover 10, and can be engaged with the fixing protruding portion 23. . The engaging portion 22 has a concave shape corresponding to the fixing protrusion 23 and has a corresponding tapered surface.
The multilayer glass unit 8 is fixed to the front cover 10 by the engagement between the fixing protrusion 23 and the engaging portion 22.
Moreover, the security rib 25 formed in the peripheral part 21 is engage | inserted by the annular | circular shape at the above-mentioned security groove 15a.

Next, a method for fixing the multilayer glass unit 8 will be described.
As shown in FIG. 7A, the front glass holding surface 19 (see FIG. 5) of the glass holding member 14 is brought into contact with the back surface of the peripheral edge portion 21 of the front cover 10. At this time, the security rib 25 is fitted into the security groove 15a. The fixing projection 23 is aligned with the engaging portion 22. The multilayer glass unit 8 is rotated by a predetermined angle in the direction of arrow A in FIG. That is, the multilayer glass unit 8 is rotated around a rotation axis orthogonal to the center of the glass surface while the peripheral glass 21 front surface glass holding surface 19 is in surface contact. Then, the fixing protruding portion 23 is engaged with the engaging portion 22 (see FIG. 7B). In this way, the multilayer glass unit 8 is simply fixed to the front cover 10. Further, the taper surface of the engaging portion 22 has a shape corresponding to the taper surface 24 of the fixing protrusion 23, and the fixing protrusion 23 can be rotated and press-fitted to be firmly fixed with one touch. Become. Moreover, it can also be removed by rotating in the direction opposite to the arrow A.

  In addition to the shape having the tapered surface 24 shown in FIG. 8A, the fixing projection 23 is not limited to the shape having the tapered surface 24 shown in FIG. It is also possible to employ a fixing projection 23 ″ having a shape including a horizontal plane 27 as shown in FIG. 6 (c). In the case of the fixing protruding portion 23 ″, the members having a high friction coefficient are brought into close contact with each other, or the clearance with the engaging portion 22 ″ (not shown) is reduced so that the engaging portion 22 ″ is brought into contact. It is configured to press fit. In such a configuration, it is preferable to use a material having an anti-slip effect such as rubber.

  As an effect of the first embodiment, when the multilayer glass unit 8 is attached to the front cover 10, the operator simply holds the multilayer glass unit 8 and rotates it by a predetermined angle, so that the engaging protrusion 22 has a fixing protrusion 23. Therefore, it is possible to save the trouble of holding the locking member or the like with the other hand while holding it with one hand as in the prior art. Thereby, it is possible for one worker to easily attach or replace the double-glazed glass in a short time. Further, the security rib 25 can be fitted into the security groove 15a to serve as a rotation guide.

(Embodiment 2)
The structure of the front door 101 applied to the pachinko gaming machine of Embodiment 2 will be described with reference to FIGS.
In the second embodiment, a stopper 28 is provided as a pressing member in order to secure the fixing protrusion 23 portion inserted into the engaging portion 22 in the first embodiment. In addition, the code | symbol in the figure which concerns on Embodiment 1 is substituted to 100 series, The description is used about the component similar to Embodiment 1. FIG.

As shown in FIG. 10, a plurality of (for example, four) stoppers 28 are provided with a predetermined gap along with the engaging portion 122 on the back surface of the peripheral edge portion 121 of the mounting opening 109 of the front cover 110. As shown in the enlarged view of FIG. 13A, the stopper 28 has a convex portion 29 formed thereon.
On the other hand, the fixing projection 123 of the multi-layer glass unit 108 has a recess 30, and the engaging portion 122 is formed by fitting the protrusion 29 of the stopper 28 into the recess 30 (see FIG. 13B). And the engagement with the fixing projection 123 are prevented from being released.

  In the second embodiment, when the multilayer glass unit 108 is attached, the front glass holding surface 119 is brought into contact with the back surface of the front cover 110 as in the first embodiment (see FIG. 11A). At this time, the fixing protruding portion 123 is aligned with the engaging portion 122 and rotated by a predetermined angle in the direction of arrow A in FIG. 11A to engage the fixing protruding portion 123 with the engaging portion 122. . Then, the four stoppers 28 are respectively rotated in the direction of arrow B in FIG. 11B, and the concave portion 30 and the convex portion 29 are fitted and fixed (see FIG. 12).

  In the present embodiment, by providing the stopper 28, the double-glazed unit 108 can be more firmly fixed to the front cover 110. In such a configuration, it is possible to stabilize the fixation of the multi-layer glass unit 108 even when the fixing protrusion 123 is not press-fitted into the engaging portion 122 or when the press-fitting is weak. Become. In addition, when removing the concave portion 30 and the convex portion 29, it can be easily removed by removing the fitting.

(Embodiment 3)
The structure of the front door 201 applied to the pachinko gaming machine of Embodiment 3 will be described with reference to FIG.
As shown in FIG. 14, the multilayer glass unit 208 of the present embodiment has a configuration in which two handles 31 are provided on the outer side 215, which is the outer peripheral edge, and is used as an attachment member (here, a fixture such as a screw). The locking part 32 and the locked part 33 are provided on the back surface of the multilayer glass unit 208 and the front cover 210, respectively. The handles 31 are preferably arranged symmetrically.
In the third embodiment, when attaching the outer peripheral portion 215 of the multilayer glass unit 208 to the peripheral edge portion 221 of the back surface of the front cover 210, the worker holds the handle 31 and holds the locking portion 32 with the handle 31. Can be attached to. As for the attachment method, a general attachment structure, for example, a screw, uneven connection, friction engagement, or the like is adopted.

  Since the handle 31 is provided in the multilayer glass unit 208, when the worker attaches the multilayer glass unit 208 with the handle 31, the attachment can be performed without the operator's hand touching the glass plate portion of the multilayer glass unit 208. Therefore, it is possible to prevent the glass or the like from being soiled by attaching a fingerprint or the like, and an exchange operation such as an insertion operation or an extraction operation is facilitated.

  The present invention is not limited to the above-described embodiments, and modifications and the like can be made without departing from the technical idea of the present invention. Etc. are also included in the technical scope of the present invention. For example, the structure which added the handle 31 of Embodiment 3 to Embodiment 1 or 2 may be sufficient.

It is a front view of the pachinko gaming machine to which the front door of this embodiment is applied. It is a perspective view of the pachinko gaming machine. Is X ₁ -X ₁ cross-sectional view of the front door 1 of FIG. It is a back view of the multilayer glass unit 8 of the pachinko gaming machine. (A) is X ₂ -X ₂ cross-sectional view of a double-glazing unit 8 in FIG. 4, (b) is a side view thereof. It is explanatory drawing which attaches the multilayer glass unit 8 to the back surface of the front cover 10 of Embodiment 1. FIG. (A) is a front view which shows the state which made the multilayer glass unit 8 of Embodiment 1 contact | abut on the back surface of the front cover 10, (b) rotated and fixed the same multilayer glass unit 8. FIG. It is a front view which shows a state. (A) is sectional drawing which shows engagement of the engaging part 22 and the fixing flange 23, (b) is a top view which shows the engagement. (A) is a side view of the fixing flange 23 of the first embodiment, and (b) and (c) are side views of fixing flanges 23 ′ and 23 ″ of other forms. It is explanatory drawing which attaches the multilayer glass unit 108 to the back surface of the front cover 110 of Embodiment 2. FIG. (A) is explanatory drawing which shows the state which match | combined the multilayer glass unit 108 with the engaging part 122 of Embodiment 2, (b) rotates and engages the same multilayer glass unit 108, and is a stopper. FIG. It is a back view of the front door 101 of Embodiment 2. FIG. (A) is an enlarged view which shows the state before the stopper 28 of Embodiment 2 acts, (b) is an enlarged view which shows the state which the stopper 28 acted. It is explanatory drawing which attaches the multilayer glass unit 208 which provided the handle 31 in the back surface of the front cover 210 of Embodiment 3. FIG.

Explanation of symbols

1 ... Front door 2 ... Outer frame 6 ... Game board
7 ... Pachinko machine 8 ... Multi-layer glass unit 9 ... Opening
10 ... Front cover 12 ... Front side glass 13 ... Back side glass
14 ... Holding member 15 ... Outer portion 16 ... Adhesive groove
17, 18 ... Glass plate insertion groove 20 ... inner side 21 ... peripheral part
22 ... engaging portion 23 ... projecting portion 24 for fixing 24 ... tapered surface
28: Stopper (pressing member) 29 ... Convex part 30 ... Concave part
31 ... Handle

Claims (3)

A front cover having an opening for seeing through the game board, and a peripheral edge forming the opening;
A multilayer glass unit in which a front glass and a back glass are inserted into a glass holding member that is molded into a frame shape and has a plurality of glass plate insertion grooves,
A plurality of fixing protrusions provided on either the peripheral edge or the glass holding member;
A plurality of engaging portions provided on the other of the above,
The front door of a gaming machine, wherein the fixing protrusion and the engaging portion are detachably engaged by rotating the multilayer glass unit.   The front door of the gaming machine according to claim 1, further comprising a pressing member that fixes the fixing protrusion and the engagement portion so as not to disengage the engagement. A front cover having an opening for seeing through the game board, and a peripheral edge forming the opening;
A multilayer glass unit in which a front glass and a back glass are inserted into a glass holding member that is molded into a frame shape and has a plurality of glass plate insertion grooves,
A plurality of engaging portions provided on either the peripheral edge or the glass holding member;
A plurality of engaged portions provided on one of the other,
And at least two handles provided on the multilayer glass unit,
A front door of a gaming machine, wherein the engaging portion and the engaged portion are detachably engaged.

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