JP2007319583A - Throwing body for bowling lane - Google Patents

Throwing body for bowling lane Download PDF

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Publication number
JP2007319583A
JP2007319583A JP2006155780A JP2006155780A JP2007319583A JP 2007319583 A JP2007319583 A JP 2007319583A JP 2006155780 A JP2006155780 A JP 2006155780A JP 2006155780 A JP2006155780 A JP 2006155780A JP 2007319583 A JP2007319583 A JP 2007319583A
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Japan
Prior art keywords
bowling lane
body
bowling
throwing
portion
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JP2006155780A
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Japanese (ja)
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Yoshibumi Kaneko
義文 金子
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Yoshibumi Kaneko
義文 金子
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Priority to JP2006155780A priority Critical patent/JP2007319583A/en
Publication of JP2007319583A publication Critical patent/JP2007319583A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a throwing body for a bowling lane allowing a user to throw and slide the throwing body with it in contact with a floor as the curling in a bowling lane and being usable a circulation mechanism and a circulation passage used for the conventional bowling lane as they are or usable by a slight improvement. <P>SOLUTION: This throwing body for the bowling lane has a spherical body with the same size of the bowling ball and at least in the moving on the bowling lane, has a form formed by removing a tip side part which is cut at a plane perpendicular to the radius from a prescribed position on the radius extending vertically downward from the center of the spherical body. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a throwing body for throwing a pin to fall instead of a bowling ball.

A bowling ball is thrown by putting a finger into each of the three holes made in the ball, lifting the ball, and moving the arm from the rear to the front while walking. However, in such a pitch, it is necessary to determine the pitch timing in a series of movements, and when there are obstacles in the movement of the body such as an elderly person or a disabled person, there are cases where the pitch cannot be performed well.
Corresponding to this, the following patent document discloses an invention that allows a bowling ball to travel with a radio control. According to the present invention, physical strength is not necessary, so even a disabled person can easily bowl, and since the shape of the bowling ball is the same as a normal bowling ball, it returns to the circulation path of the ball, A normal bowling lane can be used.
JP-A-2005-204986

However, the bowling ball described in Patent Document 1 has a poor sense of sports for operating with a radio control.
By the way, there is curling as a sport using a heavy throwing body such as bowling. When throwing curling, the stone is pushed out in contact with the floor, so there is little movement like a bowling, so it is relatively easy if you only throw, and the bowling pin can be knocked down because the throwing body is heavy It is also possible to obtain a sufficient sense of sports.
However, if the curling stone is used as a throwing body in the bowling lane, it cannot pass through the circulation mechanism / circulation passage, so it is necessary to create a new dedicated circulation mechanism / circulation passage from scratch.
In view of such a problem, the present invention is capable of throwing in a bowling lane by sliding it in contact with the floor like curling, and the circulation mechanism / circulation passage used in conventional bowling lanes It is an object to provide a throwing body for a bowling lane that can be used as it is or with a slight improvement.

In order to solve the above problems, the present invention has the following configuration.
According to the first aspect of the present invention, in a sphere having the same size as the bowling ball, at least during movement on the bowling lane, a plane perpendicular to the radius from a predetermined position on the radius vertically downward from the center of the sphere. It is a bowling lane throwing body in a form in which the cut end portion is removed. The tip end portion is formed by a portion having a smaller volume when the sphere is cut along the plane. The sphere having the same size as the bowling ball means the same sphere as the bowling ball defined in the standard, and the current standard corresponds to a sphere having a diameter of 21.59 cm or more and 21.81 cm or less.
According to a second aspect of the present invention, in the bowling lane throwing body, the predetermined position is set to one third or more and one half or less of the radius from the center of the sphere.

The invention according to claim 3 is the bowling lane throwing body, wherein the tip side portion is formed so as to be immersible, and a spherical state in which the tip side portion is maintained in a substantially spherical shape, and an immersive state in which the tip side portion is completely immersed. It is formed so that it can be deformed. Completely immersive means that the lowermost point at the bottom can be in contact with the bowling lane. In addition, a case where the tip side portion that can be immersed is not complete, such as a part of it being cut out, is included.
According to a fourth aspect of the present invention, in the throwing body for the bowling lane according to the third aspect, the front end side portion is formed to be immersible, and the front end side portion is kept spherical from the inside by an elastic body. The elastic body is set to an elastic force such that the tip side portion is completely immersed by the weight of the upper portion of the tip side portion when placed on a flat floor surface. .

According to a fifth aspect of the present invention, in the bowling lane throwing body, at least a part of a lower portion in contact with the bowling lane is provided with a resistance lowering unit that lowers the movement resistance with respect to the bowling lane. The lower part in contact with the bowling lane refers to a part that comes into contact with the bowling lane when the part of the sphere facing the tip side part is placed on the bowling lane.
The invention according to claim 6 is the bowling lane anchoring body, comprising a rotating body having a vertical axis passing through the center of the sphere as a rotation axis, including a lower portion in contact with the bowling lane, The second part is supported by the first part so as to be rotatable about the rotation shaft.

In the seventh aspect of the present invention, in the throwing body for the bowling lane, the surface portion other than the lower portion in contact with the bowling lane is formed of an elastomer.
According to an eighth aspect of the present invention, in the throwing body for the bowling lane, a portion is supported by an internal elastic member from a surface other than the lower part in contact with the bowling lane to a certain thickness.
According to the ninth aspect of the present invention, in the bowling lane throwing body, a plurality of protrusions are provided on a surface other than the lower part contacting the bowling lane.

According to the tenth aspect of the present invention, in the throwing body for the bowling lane, a wide groove is formed in a portion facing the lower portion in contact with the bowling lane, and a height equal to or lower than the depth of the groove is formed at the bottom of the groove. Is provided with a handle.
In the eleventh aspect of the present invention, in the throwing body for the bowling lane, a handle is formed by making a hole in the surface of the portion facing the lower part in contact with the bowling lane.
According to a twelfth aspect of the present invention, in the bowling lane throwing body, there is provided a handle that can be projected and retracted on a surface of a portion facing the lower portion that is in contact with the bowling lane, and is formed so as to be immersed when the hand is released. It is what

The invention according to claim 1 has a shape in which a part of the lower half of the bowling ball is cut out by a flat surface, and can be thrown so that the lower part slides on the bowling lane, so that the physical ability is relatively low. It can also be used, and since it is formed by cutting out almost the same sphere as the bowling ball, it can be returned if the circulation mechanism / circulation passage of the bowling lane is left as it is or if some improvement is made to the circulation mechanism / circulation passage. Thus, the conventional equipment can be used without wasting it.
The invention according to claim 2 can obtain stability when the bowling lane is slid by deleting the lower part of the sphere from one half to two thirds, and the circulation mechanism / circulation passage of the bowling lane can be obtained. Can cope well.

According to the third aspect of the present invention, when the bowling lane is moved, the tip side portion is immersed, and when passing through the circulation mechanism / circulation passage, the bowling lane is slid so as to be substantially spherical. And can smoothly pass through the circulation mechanism / circulation passage.
In the invention according to claim 4, the immersion state of the tip side portion and the deformation to the spherical state can be realized by a relatively simple mechanism using an elastic body.

According to the fifth aspect of the present invention, the resistance lowering means can move the bowling lane more smoothly.
The invention according to claim 6 can apply a force in the rotational direction of the second part to the pin by relatively rotating the first part and the second part.
According to the seventh and eighth aspects of the present invention, a cushion made of an elastic body is formed on the outer surface portion, so that a force that is not found in conventional bowling balls can be applied to the pins.
According to the ninth aspect of the present invention, by providing a protrusion on the surface, a force can be applied to the pin in a random direction, and an unexpected pin action can be realized.

  The invention according to claims 10, 11 and 12 can provide a bowling lane circulation mechanism / circulation path by providing a handle that does not interfere when the bowling lane throwing body rolls. can do.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
FIG. 1 is a perspective view of the bowling lane anchoring body X according to the first embodiment as viewed from below, and FIG. 2 is a longitudinal sectional view of the bowling lane anchoring body X. The bowling lane throwing body X is composed of a main body 10 a, an in / out part 20, and a resistance lowering body 30.
The main body 10a is cut from a sphere having the same outer diameter as that of a bowling ball at a predetermined position on the radius of the sphere with a plane perpendicular to the radius, and the tip side portion having a small volume is removed. Is done. Here, the predetermined position on the radius is set at about a half of the radius here, but this can be changed as appropriate. In the center of the circular portion at the lower part of the main body 10a, an entrance / exit 11 is formed which is a cylindrical hole having a bottom surface slightly smaller than the outer edge of the circular portion. In addition, two rod holding holes 12, which are cylindrical holes having a smaller radius on the way, are formed in parallel on the bottom surface of the entrance / exit 11 and symmetrically about the center. A female screw is formed in a portion having a large inner diameter below the rod body holding hole 12.

The projecting / recessing portion 20 has a shape in which a flat cylinder having the same bottom surface as a flat circular surface is combined with a shape obtained by cutting the outer peripheral edge of the tip side portion cut from the sphere that is the base of the main body 10a by about 1 cm. In this case, the outer diameter of the intrusion portion 20 is formed to be slightly smaller than the inner diameter of the intrusion port 12 of the main body 10 a, so that the intrusion portion 20 can slide in the intrusion port 12. That is, the intruding portion 20 constitutes a tip side portion formed so as to be able to invade and retract with respect to the main body 10a. On the flat upper surface of the protruding and protruding portion 20, two rod bodies 21 having a thickness that can be inserted into the small inner diameter holes of the rod body holding holes 12 are erected. A male screw is formed at the tip of the rod body 21. A nut 22a is secured to the male screw portion, and the rod body 21 is gently slid onto the female screw portion formed in the hole below the large inner diameter of the rod body holding hole 12. A donut-shaped disk body 22b having a hole that can be moved is engaged by a male screw on the outer periphery. Further, a compression spring 22c having substantially the same outer diameter as that of the large inner diameter hole of the rod body holding hole 12 is provided between the planes of the disk body 22b and the projecting portion 20. As shown in FIG. 2, the movement of the rod body 21 with the nut 22a engaged by the disk body 22b is restricted, and when the rod body is present at this position, the spherical portion of the protruding portion 20 is the original spherical surface of the main body 10a. It is set to exist above. With such a structure, in a state where no force is applied from the outside, the compression spring 22c pushes the protruding portion 20 outward from the inside of the main body 10a. As a result, the main body 10a and the protruding portion 20 are as shown in FIGS. It is designed to keep almost a sphere. Further, when the two compression springs 22c are put together and placed on the floor so that the protruding portion 20 faces downward, the elastic force is set such that the protruding portion 20 is completely immersed due to the weight of the main body 10a. This elastic force is set so as to be the maximum elastic force within this limit. FIG. 3 is a longitudinal sectional view showing a state in which the immersion part 20 is completely immersed in the main body 10a.
The resistance lowering body 30 is formed by a small ball caster, and is embedded in 12 flat donut-shaped portions adjacent to the entrance / exit 11 of the main body 10a.

A method of using the bowling lane anchoring body X having the above-described configuration will be described below. First, the user places the bowling lane throwing body X on the floor in front of the bowling lane so that the immersive part 20 faces down. Thereby, the immersion part 20 is immersed in the main body 10a, and it will be in a state as shown in FIG. Next, in this state, adjust to an appropriate position, put the hand to be thrown with the arm bent, slightly behind the top of the main body 10a, and push the bowling lane throwing body X forward by extending the arm. , Throw towards the pin. Since the bowling lane is coated with wax, and the bowling lane throwing body X is grounded only at the apex of the resistance lowering body 30 and the immersion portion 20, it slides on the bowling lane with almost no resistance. Go and reach the pin. Thereafter, the bowling lane anchoring body X is pushed out to the circulation passage by the circulation mechanism. At this time, the throwing body X for the bowling lane is rolled, but the compression spring 22c that supports the immersive part 20 is strong enough to immerse by the weight of the main body 10a. In the state where 20 is rolling, it will return from a return port through a circulation path, almost without immersing.
In this manner, the throwing body X for the bowling lane can be thrown like a curling stone by being pushed out, and behaves like a normal bowling ball in a rolling state. Since it can be returned, it can be used in a conventional bowling lane.
In addition, you may provide a ball caster in the vertex part which touches the floor of the immersion part 20 as a movement prevention body. At this time, it is desirable that the ball caster has a configuration in which a large ball is buried deeply so that the protruding amount is small.

(Embodiment 2)
Next, the bowling lane throwing body Y according to the second embodiment will be described. FIG. 4 shows a partially broken perspective view of the throwing body Y for the bowling lane. The bowling lane throwing body Y includes a main body 10b and a rotating body 40. The main body 10b is also formed by cutting from a sphere having the same outer diameter as that of the bowling ball at a predetermined position on the radius of the sphere with a plane perpendicular to the radius, and removing the tip-side portion having a small volume. Is molded. A cylindrical hole to which the rotating body 40 is fixed is formed in the cut surface of the main body 10b.
The rotating body 40 includes a synthetic resin cylindrical body 41 in which a metal weight is enclosed, and two bearings 42 that rotatably fix the cylindrical body 41 inside the main body 10b. With such a configuration, the cylindrical body 41 can freely rotate with respect to the main body 10b. That is, the rotator 40 is composed of a rotator having a perpendicular line passing through the center of the sphere as a rotation axis, and is configured as a first part including a lower part in contact with the bowling lane, and the main body 10b rotates around the rotation axis. A second part is movably supported.

  A method of using the bowling lane throwing body Y having such a configuration will be described below. First, in use, the main body 10 b is rotated with respect to the rotating body 40 by placing the rotating body 40 in contact with the floor on which a rubber plate or the like is laid. When the main body 10b is lifted in this state, the rotating body 40 continues to rotate with respect to the main body 10b due to inertia. In this state, it is placed in front of the bowling lane so that the bottom surface of the rotator 40 is in contact, and after positioning, the body 10b is thrown forward by pushing the main body 10b forward with a hand. Then, the bowling lane throwing body Y moves while sliding on the bowling lane to which the wax is applied. However, since the rotating body 40 and the main body 10b are relatively rotated, the bowling lane throwing body Y advances while rotating with respect to each other. A curve is applied in an area with little wax in front of the pin on the bowling lane, and a rotational force can be applied to the pin when it collides with the pin. Thereafter, the throwing body Y for the bowling lane is returned through the circulation mechanism, but the main body 10b is almost a sphere, so that it can roll and move, and the conventional circulation mechanism remains as it is or a little improvement is added. Can only be used.

(Embodiment 3)
FIG. 5A shows a longitudinal sectional view of the bowling lane anchoring body Z1 according to the third embodiment. The bowling lane anchoring body Z1 is formed by a main body 10c having a shape obtained by cutting a plane perpendicular to the radius at a predetermined position on the radius of the sphere, and removing the small tip side portion. 13 is formed of a hard synthetic resin, and the outer surface portion 14 excluding the bottom surface is formed of rubber. With such a configuration, the surface portion that collides with the pin becomes an elastic body having a large deformation amount, and a pin action that cannot be realized with a conventional bowling ball can be realized. A thermoplastic elastomer or the like may be used instead of rubber.
The method for applying the elastic force to the outer surface is not limited to the method shown in FIG. 5A, and the outer surface of the main body 10d is made of a hard synthetic resin shell 16 as shown in FIG. 5B. While forming, the inside 15 may also be formed of a hard synthetic resin, and the inside 15 and the outer shell 16 may be connected by a plurality of compression springs 16a. Further, rubber may be filled as an elastic body instead of the compression spring 16a. Even with such a configuration, a pin action that cannot be realized by a conventional bowling ball can be realized.

(Embodiment 4)
FIG. 6 is a perspective view of a bowling lane anchoring body V according to the fourth embodiment. The bowling lane anchoring body V is cut at a predetermined position on the radius of the sphere by a plane perpendicular to the radius, and a plurality of protrusions 17 are fixed to the outer surface of the main body 10e having a shape obtained by removing the tip side portion having a small volume. It is a thing. As a result, a pin action that cannot be realized with a conventional bowling ball can be realized. In addition, by making the protrusion flat, the bowling lane circulation mechanism can be used as it is or with some improvements.

(Embodiment 5)
FIG. 7A shows a perspective view of a bowling grain throwing body W1 according to the fifth embodiment. The bowling lane anchoring body W1 according to the fifth embodiment is provided with a handle 18. That is, a groove 18a is formed on the side opposite to the cut surface of the main body 10f having a shape obtained by cutting at a predetermined position on the radius of the sphere at a plane perpendicular to the radius and removing the tip portion having a small volume. Further, a handle 18b having a height not exceeding the depth of the groove 18a is provided. By providing the handle portion 18 in this manner, the handle can be thrown and thrown at the time of throwing, so that the throwing direction can be stabilized and the arm can be used like a pendulum like a normal bowling ball. You can also throw in momentum. And since the handle 18b fits in the groove 18a, it does not get in the way when the bowling grain throwing body W1 rolls, and the usual circulation mechanism of the bowling lane is used as it is or with some improvement. Can do.

  In addition, the form of the handle portion 18 that can be used as it is or with a slight change in the circulation mechanism of the bowling lane is not limited to the above. For example, like the bow grain throwing body W2 whose longitudinal cross-sectional view is shown in FIG. 7B, the handle 18c can jump out to the outside during throwing and can be accommodated in the main body 10g after throwing. The bowling lane anchoring body W2 has a hole 18d in which the handle 18c just fits formed on the upper surface of the main body 10g, and a hole in which the rod 18g with a spring press fixed to the tip forming the leg of the handle 18c can slide. 18e is formed, and the rod body 18g is provided with a compression spring 18f between a retainer 18h provided near the opening of the hole 18e and a spring retainer at the tip of the rod body 18g. With such a configuration, the handle 18c is normally accommodated in the hole 18d of the main body 10g by the force of the compression spring 18f, but when throwing, the handle 18c can be pulled out against the compression spring 18f. By holding in this state, the handle 18c is kept protruding outward. Then, when the bow-grain throwing body W2 is thrown and the hand is released from the handle 18c, there is nothing to restrain the handle 18c, and the handle 18c is again accommodated in the hole 18e by the compression spring 18f. Thereby, the handle 18c does not interfere with the circulation mechanism / circulation passage.

In addition, various modifications can be made to the form in which the handle of the handle portion 18 appears and disappears in the bowling lane throwing body. 8 and 9 show other forms in which the handle appears and disappears. The bowling lane throwing body W5 shown in FIG. 8 is such that the handle 18m rotates and appears. 8A is a plan view of the bowling lane throwing body W5, and FIG. 8B is a cross-sectional view taken along the line AA of FIG. 8A. As shown in the figure, the bowling lane anchoring body W5 is formed in the main body 10j so that the U-shaped handle 18m formed with a curve along the surface of the sphere on the upper surface of the main body 10j and the handle 18m fit inside. A U-shaped groove 18o and a rotating shaft 18n that pivotally supports the open end of the handle 18m in the groove 18o. The handle 18m is urged so as to be accommodated in the groove 18o by a torsion coil spring (not shown) provided on the rotating shaft 18n. With such a configuration, at the time of throwing, the handle 18m is pulled out as shown by an imaginary line in FIG. 8B, and in this state, the handle 18m is held for throwing. After throwing, the handle 18m is accommodated in the main body 10j by the torsion coil spring and does not get in the way.
The bowling lane throwing body W6 shown in FIG. 9 has a higher position of the handle 18p and can be thrown even when standing. FIG. 9A is a vertical cross-sectional view of the bowling lane throwing body W6 with the handle 18p in an immersed state, and FIG. 9B is a vertical cross-sectional view of the bowling lane throwing body W6 with the handle 18p protruding. is there. In the figure, the handle 18 is not sectioned for convenience. As shown in the figure, the bowling lane anchoring body W6 has the handle 18p and the connecting rod 18 when the connecting rod 18q and the connecting rod 18q are contracted by a plurality of nested tubes under the handle 18p. It consists of a hole 18r provided in the main body 10k so as to accommodate 18q. The connecting rod 18q is urged so as to be contracted by a built-in tension spring (not shown). With such a configuration, at the time of throwing, the connecting rod 18q is extended by pulling the handle 18p upward, and throwing is performed in this state. After the throwing, the connecting rod 18q is contracted by the tension spring, and the handle 18p is accommodated in the hole 18r, so that it does not get in the way.

  Furthermore, as the structure of the handle 18, as shown in the bowling lane anchoring body W3 shown in the longitudinal sectional view of FIG. 10A, a hole 18j is formed on the side facing the flat surface of the main body 10h, A handle 18 is formed by expanding the inside of the hole 18j to the side so that the upper edge 18i can be formed, or like a bowling lane throwing body W4 shown in the perspective view of FIG. Various methods are conceivable, such as forming the handle portion 18 by leaving the handle 18k from the main body 10i and forming the hole 18l connected from the left and right to the inside.

Although the above embodiment has been described by picking up characteristic portions, the embodiments may be combined as appropriate. Moreover, the throwing method is an example, and throwing may be performed using a different form or using a tool.
In addition, although the resistance lowering body is provided only in the first embodiment, the resistance lowering body can be provided in the lower part in contact with the bowling lane in other embodiments. In addition, the resistance lowering body is not limited to the ball caster, and various types can be adopted as long as the structure has a reduced movement resistance, such as a plate-like body that has improved sliding by Teflon (registered trademark) processing or the like.

1 is a perspective view of a bowling lane throwing body according to Embodiment 1. FIG. It is a longitudinal cross-sectional view of the throwing body for bowling lanes concerning Embodiment 1. It is a longitudinal cross-sectional view which shows the state where the immersion part of the throwing body for bowling lanes which concerns on Embodiment 1 was immersed. FIG. 6 is a partially broken perspective view of a bowling lane anchoring body according to a second embodiment. (A) is a longitudinal cross-sectional view of the bowling lane throwing body according to the third embodiment, and (b) is a longitudinal cross-sectional view showing a modification of the bowling lane throwing body according to the third embodiment. It is a perspective view of the throwing body for bowling lanes concerning Embodiment 4. (A) is a perspective view of the bowling lane throwing body according to the fifth embodiment, and (b) is a longitudinal sectional view showing a first modification of the bowling lane throwing body according to the fifth embodiment. (A) is a top view which shows the 2nd modification of the throwing body for bowling lanes concerning Embodiment 5, (b) is AA sectional drawing of (a). (A) (b) is a longitudinal cross-sectional view which shows the 3rd modification of the throwing body for bowling lanes which concerns on Embodiment 5. FIG. (A) is a longitudinal cross-sectional view which shows the 4th modification of the throwing body for bowling lanes which concerns on Embodiment 5, (b) shows the 5th modification of the throwing body for bowling lanes which concerns on Embodiment 5. FIG. It is a perspective view.

Explanation of symbols

X, Y, Z1, Z2, V, W1-6 Bowling ball throwing aids 10a-k Main body 14 Outer surface portion 16 Outer shell 17 Protrusion 18 Handle portion 20 Immersion body 30 Resistance lowering body 40 Rotating body

Claims (12)

  1.   In a sphere of approximately the same size as a bowling ball, at least during movement on the bowling lane, the tip side portion cut by a plane perpendicular to the radius from a predetermined position on the radius vertically downward from the center of the sphere was removed. A bowling lane throwing body.
  2.   The bowling lane throwing body according to claim 1, wherein the predetermined position is not less than one third and not more than one half of the radius from the center of the sphere.
  3.   The bowling according to claim 1 or 2, wherein the tip side portion is formed so as to be immersible, and is formed so as to be deformed into a spherical state in which a substantially spherical shape is maintained and a dip state in which the tip side portion is completely immersed. Thrower for lanes.
  4.   The tip side part is held by an elastic body so as to keep a spherical shape from the inside, and when the elastic body is placed on a flat floor surface, the tip side part is weighted by the weight of the part above the tip side part. 4. The bowling lane anchoring body according to claim 3, wherein the anchoring body is set to an elastic force enough to be completely immersed.
  5.   The bowling lane throwing body according to any one of claims 1 to 4, wherein resistance lowering means for reducing movement resistance with respect to the bowling lane is provided in at least a part of a lower portion in contact with the bowling lane.
  6.   A first part including a surface in contact with the bowling lane with a perpendicular passing through the center of the sphere as a rotation axis, and a second part other than the first part, and the second part rotates around the rotation axis in the first part. The bowling lane throwing body according to any one of claims 1 to 5, which is movably supported.
  7.   The throwing body for a bowling lane according to any one of claims 1 to 6, wherein a surface portion other than a lower portion in contact with the bowling lane is formed of an elastomer.
  8.   The throwing body for a bowling lane according to any one of claims 1 to 7, wherein a portion from a surface other than the lower part in contact with the bowling lane to a certain thickness is supported by an internal elastic member.
  9.   The throwing body for a bowling lane according to any one of claims 1 to 8, wherein a plurality of protrusions are provided on a surface other than the lower part that contacts the bowling lane.
  10.   The wide groove is formed in a portion facing the lower portion in contact with the bowling lane, and a handle having a height equal to or less than the depth of the groove is provided at the bottom of the groove. The throwing body for the bowling lane as described.
  11.   The throwing body for a bowling lane according to any one of claims 1 to 9, wherein a handle is formed by making a hole in a surface of a portion facing a surface in contact with the bowling lane.
  12.   The bowling lane according to any one of claims 1 to 9, wherein there is provided a handle that can be projected and retracted on a surface of a portion that faces the surface that contacts the bowling lane and that is formed to be recessed when the hand is released. Throwing body.
JP2006155780A 2006-06-05 2006-06-05 Throwing body for bowling lane Pending JP2007319583A (en)

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JP2006155780A JP2007319583A (en) 2006-06-05 2006-06-05 Throwing body for bowling lane

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010501293A (en) * 2006-09-01 2010-01-21 ヴィアイピーアール エルエルシー Exercise equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010501293A (en) * 2006-09-01 2010-01-21 ヴィアイピーアール エルエルシー Exercise equipment

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