JP3479501B2 - Split pins for gaming machines - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a split pin for a game machine, and more particularly to a split pin used for shafts of various game machines such as a pachinko game machine and a pachislot game machine. It is about. 2. Description of the Related Art Conventionally, in various game machines such as a pachinko game machine and a pachislot game machine, a rotating member and a rotating member of an accessory mechanism, a rotating member of a firing operation handle mechanism for firing a game ball, and the like. In various shafts supporting a rotating member, a handle shaft, a swinging member of a tulip mechanism, etc., an E-ring or chrysanthemum of a type surrounding the outer periphery of a shaft end is provided to prevent the members attached to the shaft from falling off. Washers and the like are used. [0003] However, in such an E-ring or chrysanthemum washer, the E-ring requires a special tool at the time of attachment to the shaft. Often, the E-ring is easily lost and cumbersome to handle. Also, the chrysanthemum washer
Once caulked and attached, the chrysanthemum washer cannot be removed and reused in order to repair or replace other mounted parts, causing problems such as troublesomeness. Accordingly, an object of the present invention is to provide a split pin used for a shaft supporting a rotating member, a rotating member or a swinging member in various game machines in order to solve such a conventional problem. Is bent into a U-shape in the form of a strip-shaped plate, and one strip is brought into close contact with the outer peripheral surface of the shaft, and the other strip is further formed into a U-shape in two forks. An easy-to-use and reusable splitting machine for gaming machines that is easy to insert, and is provided with a projection on the outside of each leg to prevent it from falling off. To provide pins. According to the present invention, in order to achieve the above-mentioned object, a split pin for a game machine is provided by using an elongated plate material in a split pin used for a shaft of the game machine. U
It is bent into a letter shape to form a pin body having two strip portions, a curved portion is provided in the middle of one of the strip portions, and the other strip portion is bifurcated into a U-shape to form each of the leg portions. It is characterized in that a projection projecting outward is provided. [0008] Other objects, features and advantages of the present invention are set forth in the accompanying drawings, which illustrate the present invention. It is evident from the following detailed description of some embodiments. FIG. 1 is a perspective view showing a pachinko game machine to which the present invention is applied. FIG. 2 is a firing operation handle portion of a game ball firing mechanism in the pachinko game machine shown in FIG. FIG. As shown in FIG. 1, a pachinko gaming machine 1
00 mainly has a main body 101 surrounded by a frame 102, an upper plate 103 for holding a game ball such as a pachinko ball, a game ball storage plate 104, and a firing operation handle 105 for firing a game ball. ing. In such a pachinko gaming machine 100, as shown in FIG. 2, a firing operation handle 105 for firing a game ball such as a pachinko ball includes a front cover 106, a rotating handle 107, and a base 108.
The pivot handle 108 is mounted on the shaft 1 together with the base 108 integrated with the front cover 106, and is attached so as not to fall off by the split pin 10 for the gaming machine according to the present invention. . Some embodiments of such a split pin for a game machine according to the present invention will be described in detail below. (Embodiment 1) FIGS. 3 to 9 show a first embodiment of a cotter pin for a game machine according to the present invention. FIG. A machine split pin 10 is shown, and FIGS. 4 to 9 show a procedure for attaching the game machine split pin 10 to the shaft 1 according to the present invention. In such a shaft 1, a split pin 10 for a game machine of the present invention is used so as to prevent a component attached to the shaft 1 from falling off, and a square hole 2 is used.
Are provided, for example, to support a rotating member of an accessory mechanism of a pachinko gaming machine, an opening / closing swing member of a tulip mechanism, a rotating member and a rotating member of an operation handle of a firing mechanism for firing a game ball, and the like. Used as various shafts. Also, a split pin 10 for a gaming machine of the present invention.
Of course, other than the shaft 1, the same can be applied to similar pins and pivots, or other similar things such as screws and bolts. As shown in FIG. 3, Embodiment 1 of the present invention
The gaming machine split pin 10 has a pin body 11 made from a metal plate by, for example, punching or cutting. The pin body 11 is formed by first bending an elongated strip-shaped plate material into a U-shape to form two long and short strips 12 and 13 and these two long and short strips 12 and 1.
And a connecting portion 14 connecting the shaft 3 to the outside of the shaft 1. At a substantially middle position of the shorter strip portion 12, a curved portion curved outward in an arc shape with a curvature substantially corresponding to the radius of the outer peripheral surface 1a of the shaft 1. A part 15 is provided. Also, the longer strip 13 is
Furthermore, it is bifurcated in a U-shape, and two legs 16, 16 are provided. Each of the legs 16, 16 is formed to be elastically deformable. In addition, each leg 1
A substantially triangular protrusion 17 projecting outward is provided on the outer side of each of the outer sides 6 and 16 near the front end, and these protrusions 17 are provided at the bases of the strips 12 and 13. The side, that is, the connecting portion 14 side is, for example, as shown in FIG.
A locking portion 18 is provided at a substantially right angle to 6, and an inclined portion 19 gently inclined from the top of the projection 17 toward the tip of the leg 16 is formed. . Such a split pin 10 for a game machine according to the present invention.
The long strip 13 of the pin body 11 is inserted into the hole 2 of the shaft 1. In this case, the two legs 16, 16 of the strip 13 are They are pressed in opposite directions to be deformed, and inserted into the holes 2 in this deformed state. On the other hand, the shorter strip portion 12 is moved along the outer peripheral surface 1a of the shaft 1 until the inner surface of the curved portion 15 reaches the corresponding outer peripheral surface 1a of the shaft 1 and the curved portion 15 The fifteen curved inner surfaces are brought into close contact with the outer peripheral surface 1a to hold and hold the shaft 1 firmly. Furthermore, split pin 1
0 is a substantially right angle locking portion 1 on the connecting portion 14 side.
When the longer strip 13 is inserted into the hole 2 of the shaft 1, it acts as a stopper for the shaft 1. In this embodiment, the strip portions 12, 1
3 have different lengths, but the two strips 12, 1
3 can of course be of the same length. Furthermore, the dimensions of the split pin 10 for the gaming machine of the present embodiment are such that the width and thickness of the strip 13 are adapted to fit in the holes 2 of the shaft 1 without any loss. Can be installed well. FIGS. 4 to 9 show examples of mounting when the split pin 10 for a game machine of the present invention configured as described above is actually mounted on the shaft 1 and used. First, as shown in FIGS. 4 and 5,
With the middle of the long strip portion 13 of the cotter pin 10 for the gaming machine of the present invention, the legs 16, 16 are pressed inward in the direction of arrow B to reduce the distance between the legs 16, 16. While
The split pin 10 is pushed in the direction of arrow A so as to insert the distal ends of the two legs 16, 16 into the hole 2 of the shaft 1 and inserted. In this manner, when the tip portions of the two leg portions 16 and 16 first enter the hole 2, if the split pin 10 is continuously pushed in the direction of the arrow A, the inclined portion 19 of the projection 17 hits the edge of the hole 2, 6 and 7, the legs 16, 16 of the split pin 10 are further inserted into the holes 2 while being pressed so that the legs 16, 16 are further displaced inward. In this manner, the two legs 16, 16 of the split pin 10 for a game machine are gradually inserted into the holes 2 of the shaft 1, and the tip ends of the two legs 16, 16 first begin to emerge from the holes 2, When the projection 17 just comes out of the hole 2, the legs 16, 16 return by elastic force so as to spread outward, and are attached as shown in FIGS. 8 and 9. As described above, the split pin 10 for the gaming machine mounted in the state shown in FIG. 8 and FIG.
Even if an attempt is made to pull out by pulling in the direction opposite to the direction, since the locking portion 18 hits the edge of the hole 2 and acts as a stopper, it cannot be pulled out at all. Therefore, in order to pull out such a cotter pin 10 for a game machine from the hole 2 of the shaft 1, in FIG. By pushing the legs 16 and 16 back into the hole 2 so as to come inside the hole 2 and pushing back the split pin 10 in the direction opposite to the arrow A direction, the projection 17 of the split pin 10 And the cotter pin 10 can be removed from the shaft 1. Accordingly, in order to remove the cotter pin 10 for the gaming machine, the operation of removing the cotter pin 10 for the gaming machine is performed in a procedure reverse to the above-described insertion procedure.
Can be easily removed from the hole 2 of the shaft 1, and the removed split pin 10 can be reused without any problem. As described above, the split pin for a game machine of the present invention does not require a special mounting tool, is easy to handle, and can be reused. (Embodiment 2) FIG. 10 shows a second embodiment of a cotter pin for a gaming machine according to the present invention. As shown in FIG. , Pin body 21
Is different from that of the first embodiment in that the connecting portion of the long and short strip portions 22, 23 forms a head portion 24 formed in a shape whose width is enlarged in the radial direction. Other parts are substantially the same. That is, as shown in FIG. 10, a split pin 20 for a gaming machine according to the second embodiment is formed of two long and short strips 2 formed by bending a long and thin metal plate into a U shape.
2 and 23 and a head portion 24 which forms a connecting portion for connecting the strip portions 22 and 23 and has a width which is increased in a radial direction. Around the middle, a curved portion 25 which is curved outward and has a curvature corresponding to the radius of the outer peripheral surface 1a of the shaft 1 is similarly provided. Further, the longer strip portion 23 is further formed in a U-shape and is provided with two legs 26, 26, and the outer side of each leg 26, 26, near the tip, An outwardly protruding substantially triangular protrusion 27 is provided, and the head 24 side of the protrusion 27 is substantially perpendicular to the leg 26 to form a locking portion 28 and a protrusion. An inclined portion 29 gently inclined from the vertex of 27 toward the tip of the leg portion 26 is similarly formed. The cotter pin 20 for a gaming machine according to the second embodiment of the present invention has the longer strip 23 of the pin body 21 inserted into the hole 2 of the shaft 1, and first, The two legs 26, 26 of the strip 23 are pressed inward in opposite directions to be deformed and then inserted further into the hole 2 by pressing and inserting the head 24, at the same time The strip portion 22 is moved along the outer peripheral surface 1 a of the shaft 1 so that the inner surface of the curved portion 25 is brought into close contact with the corresponding outer peripheral surface 1 a of the shaft 1,
Will be held firmly by covering it from the outside. Furthermore, the protruding portion 27 of the split pin 20 has a locking portion 28 on the head 24 side that is substantially perpendicular to the leg portion 26.
However, when the longer strip 23 is inserted into the hole 2 of the shaft 1, it acts as a stopper for the shaft 1. In the split pin 20 for a gaming machine according to the second embodiment of the present invention, when the pin 20 is detached from the shaft 1,
6 and 26 are pushed inward each other so that the apex of the projection 27 is located inside the edge of the hole 2 so that the two legs 2
6 and 26 are pushed back into the hole 2 and the split pin 20 is pushed back in the direction opposite to the direction of the arrow A. At the same time, when the head 24 is pulled, the projection 27 of the split pin 20 is pushed out through the hole 2. The split pin 20 can be easily and easily removed from the shaft 1. (Embodiment 3) FIG. 11 shows a third embodiment of a cotter pin for a gaming machine according to the present invention. As shown in FIG. , Pin body 31
At the root portion of the connecting portion between the long and short strip portions 22, 23, an extended portion 34 having a shape with an increased width is provided.
It is different from that of the first embodiment and the second embodiment, and other parts are almost the same as described above. As shown in the figure, a split pin 30 for a gaming machine according to the third embodiment is formed by bending a long metal strip into a U-shape to form two long and short strips 32, 33, and these strips 32. , 33 are connected to each other, and an expanded portion 34 is provided at a base portion of the connected portion, the width of which is enlarged so as to protrude outward in a semicircular shape. In the illustrated third embodiment, the extension portions 34 projecting in a semicircular shape are used.
Are provided at the bases on both sides of the connecting part, respectively.
Needless to say, it may be provided only on both sides or one side of one of the root portions. Further, an arc-shaped curved portion 35 is similarly provided substantially in the middle of the shorter strip portion 32, and the longer strip portion 33 is further bifurcated into a U-shape. And two leg portions 36, 36 are provided. A substantially triangular protrusion 37 is provided near the outer end of each leg portion 36, 36, and the head of the protrusion 37 is provided. On the side 34, a locking portion 38 substantially perpendicular to the leg portion 36 is formed, and an inclined portion 39 which is gently tilted from the vertex of the projection 37 toward the tip of the leg portion 36 is similarly formed. Have been. As described above, the split pin 30 for a gaming machine according to the third embodiment is constructed such that the two legs 36, 36 of the longer strip 33 of the pin body 31 are inserted into the hole 2 of the shaft 1, and By pressing with the extension 24, it is further inserted into the hole 2 and attached to the shaft 1. The attached split pin 30 has a short strip portion 32 with the shaft 1.
Is moved along the outer peripheral surface 1a of the shaft 1 so that the curved portion 35 is in close contact with the outer peripheral surface 1a on the corresponding side of the shaft 1 to hold the shaft 1 firmly.
When the longer strip 33 is inserted into the hole 2 of the shaft 1, the locking portion 38 acts as a stopper for the shaft 1. In the split pin 30 for a game machine according to the third embodiment of the present invention, when detaching the shaft 1 from the shaft 1, the legs 36, 36 are pushed inward each other so that the top of the projection 37 is Pushing both legs 36, 36 back into the hole 2 and pushing back the split pin 30 in the direction opposite to the arrow A direction while pulling the split pin 30 at the same time as pulling the split pin 30 so that the split pin 30 It can be easily and easily removed from the shaft 1. (Embodiment 4) FIG. 12 is a view showing a fourth embodiment of a split pin for a game machine according to the present invention.
Also shown is a split pin 40 for a gaming machine of the present invention. The shaft 1 to which the split pin 40 according to the fourth embodiment of the present invention is applied is replaced with a hole,
a is provided with a groove 3. As shown in the figure, the split pin 40 for a gaming machine in the fourth embodiment of the present invention is made by punching a metal plate or the like, or by bending a metal strip-shaped plate. It has a main body 41. This pin main body 41 is formed by bending an elongated plate material into a U-shape.
One of the strip portions 42, 43 and a connecting portion 44 connecting the strip portions 42, 43, and the middle of one of the strip portions 42 substantially corresponds to the radius of the outer peripheral surface 1a of the shaft 1. A curved portion 45 which is curved outward in an arc shape with a curvature is provided, and a tip end portion 46 is bent so as to be slightly curved outward. Further, the other strip 43 is connected to the shaft 1.
The groove 3 has a width substantially equal to the width of the groove 3 so as to be able to enter the groove 3 and is formed substantially straight and flat.
Further, a connecting portion 4 connecting these two strip portions 42 and 43 is provided.
4 is formed in a slightly enlarged shape as shown in the figure so as to provide an enlarged head. In such a gaming machine split pin 40, a straight flat strip portion 43 of a pin body 41 is inserted into the groove 3 of the shaft 1. In that case, the split pin 40 is enlarged. By holding the head 44 and pushing the split pin 40 so that the tip of the strip 43 is inserted into the groove 3 of the shaft 1, the flat strip 43 enters the groove 3 and the other strip is inserted. The part 42 has an inner surface of the distal end 46 that is formed on the outer surface 1 of the shaft 1.
a, the tip portion 46 that first comes into contact with and abuts outward,
Then, it is moved so as to open outward along the outer peripheral surface 1a, and the inner surface of the curved portion 45 reaches the corresponding outer peripheral surface 1a of the shaft 1 and the curved inner surface side of the curved portion 45 becomes the outer peripheral surface. The shaft 1 is tightly held on the shaft 1a so as to cover and hold the shaft 1. Accordingly, in the split pin 40 for a gaming machine according to the present invention, the flat strip portion 43 enters the groove 3 of the shaft 1 to hold the split pin 40 without rattling, and the curved portion 45 of the shaft 1 The shaft 1 is in close contact with the outer peripheral surface 1a.
Will be firmly held. In the present embodiment, the connecting portion 44 functions as an enlarged head, so that it is easy to hold. On the other hand, the inner surface of the tip portion 46 slightly warped outwardly extends along the outer peripheral surface 1 a of the shaft 1. It is slidably guided, and the curved portion 45 acts to hold the shaft 1 firmly. Further, the split pin 40 for the gaming machine of the present embodiment can be mounted satisfactorily without rattling since the width of the strip portion 43 is dimensioned to fit in the groove 3 of the shaft 1 suitably. As described above, according to the present invention,
A cotter pin for a gaming machine according to claim 1, wherein the cotter pin used for the shaft of the gaming machine has a pin body having two strip portions by bending an elongated plate material into a U-shape. A curved portion is provided in the middle of one, and the other strip is bifurcated into a U-shape, and a projection is provided to project outside each leg, so that it is provided outside each leg. The projection can be retained and the curved portion can be tightly held so as to cover the outer peripheral surface of the shaft, and a reusable split pin that can be easily attached and removed and is reusable can be obtained. ## EQU1 ## The following is an example.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a pachinko gaming machine to which the present invention is applied. FIG. 2 is a cross-sectional view of a firing operation handle portion of a game ball firing mechanism in the pachinko gaming machine of FIG. FIG. 3 is a schematic diagram showing a cotter pin for a gaming machine according to a first embodiment of the present invention, together with an applied shaft. FIG. 4 is a schematic side view, partially broken away, of a gaming machine split pin according to the first embodiment of the present invention shown in FIG. 3 when the split pin is mounted on a shaft. FIG. 5 is a plan view showing a split pin and a shaft for the gaming machine of FIG. 4; 6 is a schematic side view, partially broken away, of the gaming machine split pin of FIG. 5 when further inserted into the hole of the shaft. 7 is a plan view showing a split pin and a shaft for the gaming machine of FIG. 6; FIG. 8 is a partially cutaway schematic side view of the gaming machine split pin shown in FIG. 7 when the split pin is completely inserted and mounted in a hole of a shaft. FIG. 9 is a plan view showing a split pin and a shaft for the gaming machine of FIG. FIG. 10 is a schematic side view showing Embodiment 2 of a split pin for a gaming machine of the present invention. FIG. 11 is a schematic side view showing Embodiment 3 of a split pin for a gaming machine of the present invention. FIG. 12 is a schematic diagram showing a cotter pin for a gaming machine according to a fourth embodiment of the present invention, together with an applied shaft. [Description of Signs] 1 Shaft 1a Outer peripheral surface 2 Hole 3 Groove 10 Split pin 11 Pin body 12 Shorter strip 13 Longer strip 14 Connecting section 15 Curved section 16 Leg section 17 Projecting section 18 Locking section Reference Signs List 19 inclined portion 20 split pin 21 pin body 22 short strip portion 23 long strip portion 24 head 25 curved portion 26 leg portion 27 protrusion portion 28 locking portion 29 inclined portion 30 split pin 31 pin body 32 short One strip part 33 Long strip part 34 Expansion part 35 Curved part 36 Leg part 37 Projection part 38 Locking part 39 Inclined part 40 Split pin 41 Pin body 42 Strip part 43 Strip part 44 Head 45 Curved Part 46 tip part 100 pachinko gaming machine 101 main body 102 frame 103 upper plate 104 game ball storage plate 105 firing operation handle 106 front cover 107 rotating handle portion 108 base portion 108

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) F16B 21/12 A63F 7/02 308 A63F 7/02 316 F16B 21/16

Claims (1)

(1) A split pin used for a shaft of a game machine, a long and thin plate material is bent into a U-shape to form a pin main body having two strip portions, and the strip portion is formed. Characterized in that a bent portion is provided in the middle of one of the above, and the other strip is formed in a U-shaped bifurcated form, and a projection protruding outside each leg is provided. .