JP2001129205A - Body frame for pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the manual force needed for closing a front frame. SOLUTION: At a terminal end where a front frame 2 is closed to an outer frame 3, a roller 93e at the free end of a movable arm 93 makes contact with a corner portion formed by the movement stopping part 10d and the rear half 10c of a stopper 10, and the front frame 2 is thrust upward by the lever motion of the movable arm 93 about the portion of contact.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a main frame of a pachinko machine, and more particularly, to a holding posture when a front frame of the main frame is closed by an outer frame of the main frame.

[0002]

2. Description of the Related Art The main body frame of a pachinko machine disclosed in Japanese Utility Model Publication No. 51-19512 and Japanese Utility Model Publication No. 6-32148 has a slider device provided on a front frame of the main body frame and a guide plate provided on an outer frame of the main body frame. Alternatively, a flat member such as a sliding plate is provided, and when the front frame is closed, the roller of the slider device slides on the flat member to prevent the front frame from falling down.

[0003]

However, in the above-mentioned conventional body frame, the roller rotatably connected to the fixed frame of the slider device fixed to the front frame is flattened as the front frame is manually closed. Because it is a structure that can rub on the member,
The front frame must be closed with the weight of the front frame added to the contact portion between the roller and the flat member, and it cannot be denied that a large force is required to close the front frame.

Accordingly, the present invention provides a main frame of a pachinko machine in which the front frame can be lightly closed manually.

[0005]

According to the present invention, a frame-shaped front frame and a frame-shaped outer frame are connected so as to be openable, a slider device is attached to the front frame, and the outer frame is attached to the outer frame. In the main body frame of the pachinko machine having the stopper attached, the slider device includes a base on the front frame side and a movable arm connected to the base so as to be rotatable and adjustable in opening, and the stopper is provided on the rear half and the rear half on the outer frame side. A stop portion protruded upward from the outer frame, the free end side of the movable arm contacts the corner formed by the stop portion and the rear half of the stopper at the end side where the front frame is closed with respect to the outer frame, and It is characterized in that the front frame can be moved upward by leverage operation of the movable arm based on the contact portion. Therefore, according to the present invention, the front frame can be lightly closed manually by the operation of the movable arm at the closing end side of the front frame, and the standing posture of the front frame and the outer frame can be accurately maintained. Further, in the present invention, if the slider device is provided with an elastic member for adjusting the degree of opening at the base of the movable arm, the temporal change in which the opening and closing of the front frame is repeated is performed from the closing end side of the front frame. If the movable arm contacts the rear half of the stopper before, the contact resistance between the movable arm and the stopper can be absorbed by the movement of the movable arm under the elastic action. Further, when the slider device is mounted on the front frame, the movable arm can be held at a predetermined opening by the elastic member, so that the operation of mounting the slider device on the front frame is simplified. Further, in the present invention, if the slider device is provided with an opening regulating member for adjusting the opening based on the movable arm, the movable arm can be prevented from being excessively opened. Further, in the present invention, if the slider device is provided with a roller on the free end side of the movable arm, the roller rotates when the front frame is raised, and the force required for leverage operation of the movable arm is reduced. Become. Further, in the present invention, if the movable arm is provided with a convex portion that contacts the base and regulates the rotation of the movable arm,
Excessive opening of the movable arm can be prevented.

[0006]

1 to 8 show an embodiment of the present invention. FIG. 1 shows a pachinko machine having a front frame opened from the back side, FIG. 2 shows an appearance of a slider device, and FIG. 4 shows the initial state of the slider device when the front frame is closed, and FIG.
Fig. 5 shows the operation of the slider when the front frame is closed.
6 shows the pachinko machine with the panel frame opened from the front side, FIG. 6 shows the switch device exploded, FIG. 7 shows a side view of the switch support member of FIG. 6 viewed from the direction of arrow A, and FIG. 3 shows a plane of the operation viewed from above.

A pachinko machine will be described with reference to FIG. In the main body frame 1, a frame-shaped front frame 2 for mounting a game board called a G board (not shown) is attached to a frame-shaped outer frame 3 mounted on an island of a pachinko parlor by upper and lower frame hinges 4 in a front lateral direction. Mounted openably. A locking device 5 is arranged on a vertical edge on the free end side of the front frame 2. When a key plate (not shown) is manually inserted into the locking device 5 from the front side of the front frame 2 and rotated in one direction by, for example, 90 degrees, the front frame 2 is rotated.
The front frame lock lever 6a of the front frame lock mechanism 6 provided on the back side of the outer frame 3 comes off the front frame stopper 7 provided on the outer frame 3.
Thereby, the front frame 2 can be opened and closed with the outer frame 3. In this state, the front frame 2 is pulled forward by a manual operation, so that the front frame 2 is opened to the front in the lateral direction around the frame hinge 4.
In this state, when the manual operation force on the key plate in one direction is released, the front frame lock lever 6a returns to the original position by the spring force built in the front frame lock mechanism 6, and this restoring force causes The key plate also returns to the original position and can be pulled out from the locking device 5.

Further, in a state where the front frame 2 is opened, the front frame 2 is pushed rearward by a manual operation and is closed.
The front frame lock lever 6a contacts the front frame stopper 7 and moves. Subsequently, when the tip hook of the front frame lock lever 6a exceeds the front frame stop 7, the front frame lock lever 6a returns to the original position by the spring force built in the front frame lock mechanism 6, and engages with the front frame stop 7. Combine. As a result, the front frame 2 cannot be opened and closed by the outer frame 3.

The locking device 5 and the front frame lock mechanism 6 are
Is attached to a rear plate 8 fixed to the back surface of the base plate. The rear plate 8 and the front frame 2 form a space for accommodating the game board. A slider device 9 is attached to the lower surface of the lower edge of the front frame 2. Then, in the process of closing the front frame 2, the slider device 9 contacts the stopper 10 fixed to the lower edge of the outer frame 3 and maintains the front frame 2 on the outer frame 3 in a normal posture.

The slider device 9 will be described with reference to FIG. The slider device 9 has a movable arm 93 attached to a base 91 with a shaft 92. The base portion 91 has upper and lower mounting holes 91c and a convex portion 91d bent rearward from a lower portion on a back wall 91b connecting the opposing side walls 91a. The movable arm 93 has an engagement hole 93c in a back wall 93b connecting the opposing side walls 93a. Rollers 93e are attached to both support walls 93d extending from both side walls 93a in a double-supported state with a shaft 93f. The relative distance between the two support walls 93d is equal to the both side walls 9
The two support walls 93d are bent so that the width gradually becomes smaller than the relative distance between the side walls 93a as going downward from 3a. The two support walls 93d are provided with rollers 93e at lower portions where the relative distance is parallel to each other. Roller 93e
The outer peripheral surface projects outside the lower peripheral surfaces of both support walls 93d and does not interfere with the back wall 93b.

An opening regulating member 94 is provided on the inner surface of the back wall 91b.
Is attached. In the opening restriction member 94, the lower mounting hole 9
A vertical portion 94a extending upward from 1c is fixed to the back wall 91b, and the vertical portion 94a is provided with a downwardly inclined bent portion 94b below the shaft 92 in the direction of the movable arm 93, and the tip of the bent portion 94b is directed upward. It is formed as an engaging portion 94c bent in a semicircular arc shape. When the engaging portion 94c is inserted from the inside into the engaging hole 93c of the movable arm 93 and is engaged with the movable arm 93 around the engaging hole 93c due to the elasticity of the bent portion 94b, the opening regulating member is provided. 94 regulates the rotational movement of the movable arm 93 in the direction in which the roller 93e side moves away from the base 91. That is, in the state where the opening degree regulating member 94 is inserted into the engagement hole 93c, the rotational movement range of the movable arm 93 about the shaft 92 as a rotation center is such that the roller 93e side of the back wall 93b is the back wall 9 of the base 91.
1b to the position where the movable arm 93 engages with the engaging portion 94c.

A forked elastic member 95 is mounted on the shaft 92. In the elastic member 95, as shown in FIG. 3, an annular portion 95a is fitted around the shaft 92, and one end 95b extending from the annular portion 95a comes into contact with the inner surface of the back wall 93b of the movable arm 93. The other end 95c extending from the portion 9a contacts the back wall 91b of the base 91. In that state, the elastic member 9
5 gives the movable arm 93 a spring force in the direction in which the movable arm 93 engages with the engagement portion 94c. As shown by the imaginary line in FIG. 3, the movable arm 93 is released from the engagement portion 94c, and the roller 93e side of the movable arm 93 moves beyond the rotational movement range in the direction away from the base 91 by the spring force of the elastic member 95. Then, the convex portion 93g extending above the back wall 93b collides with the back wall 91b. The open position of the movable arm 93 in the virtual line is maintained by the spring force of the elastic member 95.

In a state where the movable arm 93 is held in the open position, the back surface of the back wall 91b is brought into contact with the front surface of the lower edge of the front frame 2, and the convex portion 91d is brought into contact with the lower surface of the lower edge of the front frame 2. After positioning the base 91 on the front frame 2, the set screw 1 on the lower side of the convex portion
1 can be fastened to the front frame 2 from the lower mounting hole 91c. The upper set screw 11 may be fastened to the front frame 2 in a state where the movable arm 93 is engaged with the engagement portion 94c. When fastened to the front frame 2, the open posture of the movable arm 93 is maintained.
Since the plurality of setscrews 11 can be fastened to the front frame 2 in one state, there is no need to switch the posture of the movable arm 93 between the two states of opening and closing during the work of attaching the slider device 9 to the front frame 2, Workability is improved. As described above, the protrusion 9
By abutting 1 d against the front frame 2, the mounting position of the slider device 9 with respect to the front frame 2 comes out accurately.

In FIG. 3, reference numeral 12 denotes a rivet for connecting the base 91 and the opening regulating member 94. Stopper 10
The flat front end 10a, the inclined upper part 10b, and the flat rear half 10c are successively connected from the front side to the rear side, and protrude upward from the rear edge of the rear half 10c. When the front frame 2 is closed from the front side to the rear side as shown by the arrow X in a state where the movable arm 93 of the slider device 9 is engaged with the opening restriction member 94, FIG.
a, the roller 93e passes through the front end portion 10a, the driving portion 10b, and the rear half portion 10c in a non-contact manner as shown in FIG.
Contact d. The opening θ1 of the movable arm 93 with respect to the base 91 in FIG. 4A is just before the roller 93e comes into contact with the stopping portion 10d, and is the same as the opening of the movable arm 93 with respect to the base 91 in FIG. is there.

Subsequently, as the closing operation of the front frame 2 proceeds, as shown in FIG. 4B, the roller 93e is in contact with the stopping portion 10d. , The roller 93e comes into contact with the corner formed by the stop portion 10d and the rear half portion 10c of the stopper 10, and the degree of opening of the movable arm 93 with respect to the base 91 decreases to θ2 (θ
1> θ2). Front frame 2 in FIGS. 3A and 4A and FIG.
A gap between the second half 10c and the second half 10c is H1.

Further, as the closing operation of the front frame 2 proceeds, FIG.
The movable arm 93 further moves around the shaft 92 toward the base 91 while the roller 93e is in contact with the corner formed by the stopper 10d and the rear half 10c of the stopper 10 as shown in FIG. Of the movable arm 93 is further narrowed to θ3 (θ1>θ2> θ3). This opening is θ2
In the process of changing from the angle θ to the angle θ3, the movable arm 9 is moved with reference to the contact portion between the roller 93e and the corner of the stopper 10.
3, the front frame 2 is lightly lifted upward by human power around the roller 93e, and the front frame 2 and the stopper 1
The gap H2 between the 0 and the rear half 10c is slightly wider than H1 (H1 <H2). In addition, when the movable arm 93 works by leverage, the roller 93e rotates, so that the movable arm 93 does not rub against the stopper 10, and the force required for the movable arm 93 to leverage can be reduced. Therefore, the front frame 2 is held in the normal posture in which the outer frame 3 is vertically arranged. In the process of FIGS. 4A to 4C, the front frame lock lever 6a of FIG. 1 engages with the front frame stopper 7, and the front frame 2 is closed by the outer frame 3 so that it cannot be opened and closed.

Referring to FIG. 5, the front side of the main body frame 1 will be described. A support frame 20 is fixed to the inner peripheral edge of the rectangular window of the front frame 2. On the support frame 20, an upper panel frame 21 and a lower upper plate device 22 are attached to the edge of the support frame 20 corresponding to the rotation center side of the front frame 2 by a hinge (not shown) so as to be openable in the front lateral direction. Can be A panel frame lock mechanism 24 is provided at an edge of the support frame 20 corresponding to the free end side of the panel frame 21. A panel 23 made of a transparent synthetic resin or glass is provided on the panel frame 21 so that a game board (not shown) stored in a space surrounded by the front frame 2 and the rear plate 8 can be seen from the front side. Is done. A lower plate device 25 is provided at the lower edge of the front frame 2.
And the handle grip 26 for driving the ball launching device is fixed.

When a key plate (not shown) is manually inserted into the locking device 5 and rotated 90 degrees in a direction opposite to the direction of opening and closing the front frame 2 described above, the panel frame is rotated. The upper and lower panel frame lock levers 24a of the lock mechanism 24 are disengaged from a panel frame stopper (not shown) provided on the panel frame 21. Thus, the panel frame 21 can be opened and closed with the front frame 2. In this state, the panel frame 21 is pulled to the front by a manual operation, so that the panel frame 21 is opened halfway to the front in the lateral direction around the hinge. In this state, when the artificial operation force on the key plate in one direction is released, the panel frame lock lever returns to the original position by the spring force built in the panel frame lock mechanism, and the key plate is restored by the restoring force. Also returns to the original position and can be pulled out from the locking device 5.

Further, when the panel frame 21 is opened, the panel frame 21 is pushed rearward by a manual operation and closed, whereby the pressure receiving portion 24b of the panel frame lock mechanism 24 is closed.
Is pressed by the panel frame 21, the panel frame lock lever 2
4a projects up and down by the spring force built into the panel frame lock mechanism 24, returns to the original position, and engages with the panel frame stopper.
As a result, the panel frame 21 cannot be opened and closed by the front frame 2.

A switch device 28 is provided on the support frame 20 on the panel frame lock mechanism 24 side, and a switch pressing portion 27 is provided on a free end of the panel frame 21. When the panel frame 21 is opened, the switch pressing portion 27 is separated from the switch device 28, and the switch device 28 detects that the panel frame 21 has been opened. Conversely, when the panel frame 21 is closed, the switch pressing portion 27 contacts the switch device 28,
The switch device 28 detects that the panel frame 21 has been closed.

The switch mounting structure will be described with reference to FIG. The switch device 28 detects opening and closing of the panel frame 21 and includes a contact-type switch 29 such as a limit switch, a switch support member 30, and a mating member replaced with the metal support frame 20, Switch 29
Is attached to the support frame 20 so as to be surrounded by the switch support member 30. The switch 29 includes a contact portion and a spring (not shown), a main body portion 29a having a large vertical width, a button 29b protruding forward and backward from the front surface of the main body portion 29a,
An upper and lower insertion hole 29c penetrating the side surface of the main body 29a, and a terminal 29d protruding with a smaller vertical width than the main body 29a behind the main body 29a are provided. Wiring 29f is connected to terminal 29e projecting up and down from terminal portion 29d. When the button 29b projects as shown in the figure by the force of the spring, the contact portion turns off, and when the button 29b is pressed in the direction from the front side to the back side indicated by the arrow Y, the contact portion turns on.

The switch supporting member 30 includes a side wall 30a corresponding to the side surface of the switch 29, upper and lower mounting portions 30b protruding from the side surface of the switch of the side wall 30a, mounting holes 30c penetrating the mounting portion 30b back and forth, and between the mounting portions 30b. Side wall 3
The upper and lower columns 30d protrude from the side of the switch 0a. The height D1 of the mounting portion 30b and the support 30d from the side of the switch on the side wall 30a is lower than the thickness D2 of the switch 29. Further, the switch support member 30 includes upper and lower receiving portions 30e shown in FIG. The receiving portion 30e protrudes from the rear edge of the side wall 30a and the rear edge of the mounting portion 30b. Receiving part 30e
Is substantially the same as the vertical width D4 of the terminal portion 29d. The distance D5 between the receiving portion 30e and the support 30d is
The distance is substantially the same as the distance D6 between the insertion hole 9c and the insertion hole 9c.

When the column 30d is fitted into the insertion hole 29c, the projecting portion of the main body 29a from the terminal portion 29d comes into contact with the receiving portion 30e due to the relationship of the dimensions D1 to D6, and the column 30d is inserted into the insertion hole 29c. , One side surface of the switch 29 contacts the side wall 30a, and the other side surface of the switch 29 is disposed outside the support 30d and the mounting portion 30b.

Returning to FIG. 6, the switch frame 31 is provided on the support frame 20. The switch installation part 31 is provided with the support frame 2
0, an inner wall 31a bent to the back side from the front wall, a vertical wall 31b bent inward at a right angle to the inner wall 31a,
A notch 31c formed in the vertical wall 31b, an upper and lower overhanging wall 31e protruding inward flat from the vertical wall 31b along the upper and lower edges of the notch 31c, and formed over the overhanging wall 31e and the vertical wall 31b. Through hole 31f, upper overhanging wall 31e
A rib 31g is provided that is bent forward of the vertical wall 31b located above. The vertical width D7 of the notch 31c is wider than the vertical width D8 of the switch 29. The vertical distance between the through holes 31f is substantially the same as the vertical distance between the mounting holes 30c.

Then, the switch 29 and the switch support member 30 are combined as described above, the front surface of the mounting portion 30b is overlapped with the rear surface of the overhanging wall 31e, and the set screw 32 is passed through the through hole 31f from the front side. As shown in FIG. 8, the switch 29 is sandwiched between the side wall 30 a of the switch support member 30 and the inner side wall 31 a of the switch installation part 31 as shown in FIG. Therefore, the switch 29 is held by the switch support member 30 and the switch installation portion 31 and does not rattle left and right and up and down.

Then, the panel frame 21 has an arrow W shown in FIG.
When it is closed from the direction, the switch pressing portion 27 is
Is moved from the virtual line position to the solid line position, and it is detected that the switch 29 is turned on and the panel frame 21 is closed. That is, since the switch 29 is held by the switch support member 30 and the switch installation portion 31 so as not to rattle left and right and up and down, the stroke of the button 29b pressed by the switch pressing portion 27 is always uniform, The detection operation of the switch 29 is accurate.

According to this embodiment, the switch device 28
Is mounted on the support frame 20 which is a part to be combined with the panel frame 21 so as not to rattle, so that the switch device 28 is pressed against the switch as compared with the case where the switch device 28 is mounted on the front frame 2 to which the support frame 20 is fixed. The stroke of the button 29b pressed by the part 27 becomes accurate.

[Brief description of the drawings]

FIG. 1 is a rear perspective view showing a pachinko machine according to an embodiment of the present invention.

FIG. 2 is an exemplary perspective view showing the appearance of the slider device according to the embodiment;

FIG. 3 is a side view showing an initial state of a front frame closing operation of the embodiment.

FIG. 4 is a schematic view showing the operation of the slider device of the embodiment.

FIG. 5 is a perspective view from the front showing the pachinko machine of the embodiment.

FIG. 6 is an exemplary exploded perspective view of the switch device according to the embodiment;

FIG. 7 is a side view of the switch support member of the embodiment.

FIG. 8 is an exemplary plan view showing the operation of the switch device of the embodiment.

[Explanation of symbols]

 2 Front Frame 9 Slider Device 10 Stopper 10c Back Half 10d Stop Part 91 Base 92 Axis 93 Movable Arm 94 Opening Restriction Member 95 Elastic Member

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Susumu Sato 8-3014-8 Hirosawa-cho, Kiryu-shi, Gunma Prefecture Heiwanai Co., Ltd. (72) Takeshi Otani 8-3014 Hirosawa-cho, Kiryu-shi, Gunma 8 shares Heiwauchi Company (72) Inventor Masashi Inoue 2-3014-8 Hirosawacho, Kiryu-shi, Gunma Heiwanai Co., Ltd. (72) Inventor Hiroshi Takahashi 2-3014 Hirosawacho, Kiryu-shi, Gunma 8-8 Heiwanai, Inc. 72) Inventor Wataru Hojo 2-3014-8 Hirosawa-cho, Kiryu-shi, Gunma Pref. (72) Inventor Satoshi Nakamura 8-3014 Hirosawa-cho, Kiryu-shi, Gunma 8 Heiwauchi F-term (reference) 2C088 DA10

Claims (5)

[Claims] 1. A main frame of a pachinko machine in which a frame-shaped front frame and a frame-shaped outer frame are connected to be openable, a slider device is mounted on the front frame, and a stopper is mounted on the outer frame. A slider device including a base on the front frame side and a movable arm rotatably and openably connected to the base,
The stopper has a flat portion on the outer frame side and a stop portion protruding above the rear portion of the flat portion, and the free end side of the movable arm is the stop portion of the stopper at the terminal end side where the front frame is closed with respect to the outer frame. A body frame of a pachinko machine, wherein a front frame is moved upward by leverage of a movable arm with respect to a contact portion, the corner being formed by a movable arm. 2. The main body frame of a pachinko machine according to claim 1, wherein the slider device includes an elastic member for adjusting an opening degree of the movable arm on a base. 3. The main body frame of a pachinko machine according to claim 1, wherein the slider device has an opening regulating member for adjusting the opening based on the movable arm. 4. The main body frame of a pachinko machine according to claim 1, wherein the slider device has a roller on a free end side of the movable arm. 5. The main body frame of a pachinko machine according to claim 1, further comprising a convex portion for restricting rotation of the movable arm by contacting the movable arm with the base.