WO2006092823A1 - Barre a disques - Google Patents

Barre a disques Download PDF

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Publication number
WO2006092823A1
WO2006092823A1 PCT/JP2005/002176 JP2005002176W WO2006092823A1 WO 2006092823 A1 WO2006092823 A1 WO 2006092823A1 JP 2005002176 W JP2005002176 W JP 2005002176W WO 2006092823 A1 WO2006092823 A1 WO 2006092823A1
Authority
WO
WIPO (PCT)
Prior art keywords
small
collar
diameter
disk
diameter disk
Prior art date
Application number
PCT/JP2005/002176
Other languages
English (en)
Japanese (ja)
Inventor
Tadamasa Uesaka
Kengo Hasegawa
Original Assignee
Uesaka T.E Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uesaka T.E Co., Ltd. filed Critical Uesaka T.E Co., Ltd.
Priority to PCT/JP2005/002176 priority Critical patent/WO2006092823A1/fr
Publication of WO2006092823A1 publication Critical patent/WO2006092823A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/0724—Bar-bells; Hand bars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/0728—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with means for fixing weights on bars, i.e. fixing olympic discs or bumper plates on bar-bells or dumb-bells

Definitions

  • the present invention relates to a barbell used in a weightlifting competition (weightlifting).
  • This type of barbell generally includes a special steel bar having a grip portion at the center and sleeves on both sides thereof, a weight disc mounted on both side sleeves of the bar, and the disc. It is composed of a collar that is fixed and fixed so as not to move in the axial direction.
  • weight disks there are, for example, 5kg-25kg (the above is a large diameter disk having an outer diameter of 450 mm) and 0.5kg-2.5kg (the above is a small diameter disk).
  • weight adjustment can be carried out, for example, by replacing the small-diameter disc with a minimum unit of 2.5 kg (one side of 1.25 kg) As a result, the small-diameter disk is frequently replaced.
  • the size (outer diameter) of the smallest unit of the small-diameter disc, especially a small-diameter disc of 2.5 kg (1.25 kg on one side), is about the same as or smaller than the size of the collar. Since the thickness is also thin, the referee who is easily concealed by the collar when set between the collar and the large-diameter disc mistakes the small-diameter disc that has been replaced or added. Have.
  • Patent Document 1 No. 58-8273
  • the problem to be solved by the present invention is to provide a barbell having a small-diameter disk engagement / disengagement structure capable of exchanging / adding a small-diameter disk without removing the collar when adjusting the weight of the small-diameter disk.
  • the disk is fixed to the sleeves on both the left and right sides of the bar, and further, the collar is mounted to the sleeve so that the disk cannot be moved in the axial direction.
  • the fixed barbell In the fixed barbell,
  • the barbell is formed so that a small-diameter disk can be detachably attached to the outer side of the collar in the axial direction.
  • examples of the small-diameter disk include a minimum unit weight of, for example, 0.5 kg, 1. Okg, 1.25 kg, 1.5 kg, 2. Okg, 2.5 kg and the like.
  • the barbell characterized in that the small-diameter disk is detachable with respect to the collar.
  • the engagement / disengagement of the small-diameter disk with respect to the collar is not particularly limited, but a screw-in structure, a magnet structure, a pinning structure, a ball-stopping structure, and a claw-locking structure are suitable. (Claim 3—Claim 7).
  • the small-diameter disk can be attached to and detached from the collar easily and quickly.
  • the force can also be installed and set without fear of falling off the collar.
  • a barbell characterized in that the small-diameter disk is detachable with respect to the sleeve.
  • the engagement / disengagement of the small diameter disk with respect to the sleeve is not particularly limited.
  • the small-diameter disk can be easily and quickly attached to and detached from the sleeve, and the force can be mounted and set so that the small-diameter disk does not come off accidentally.
  • the replacement of the small-diameter disk can be performed without requiring any troublesome removal / attachment of the collar, such as that the collar has to be removed as in the prior art. And other small diameter discs can be added. This makes it possible to quickly and easily adjust the weight in the minimum unit using a small-diameter disk.
  • the small-diameter disk can be detachably mounted at the outer position in the axial direction of the collar, the small-diameter disk is not concealed by the collar as in the prior art. As a result, it is possible to make sure that the referee can visually check without changing the small-diameter disc that has been replaced or additionally set.
  • weight adjustment is also affected by the exchange of the smallest unit of the small-diameter disk. Frequent replacement of small-diameter disks and additional sets allow quick and easy weight adjustment in the smallest unit, and the referee will not mistake the replacement or additional small-diameter disks.
  • the small-diameter disk is attached / detached by the engagement / disengagement structure with respect to the collar. Only the collar and small-diameter disk can be easily implemented by modifying the sleeves (rotating parts) on both the left and right sides where the disk is inserted and mounted.
  • FIG. 1 and FIG. 3 show an example of an embodiment of the barbell of the present invention according to claim 1 and claim 3, and a bar 1 made of special steel and sleeves 1 on both the left and right sides of the bar 1 described later. It is composed of a weight disk 2 that is mounted and set to -1, and left and right collars 3 that fix the disk 2 to the sleeve 1-1 so that it cannot move in the axial direction.
  • a small-diameter disk 2-1 (described later) is formed at the outer position in the axial direction of the collar 3 so that it can be detachably mounted by a screwed structure.
  • the minimum unit for example, 2.5 kg (1.25 kg on one side), can be adjusted quickly by simple operations such as unscrewing the small-diameter disk 2-1 from the collar 3.
  • the bar 1 has a grip portion 1-2 with anti-slip processing such as knurling at a symmetrical position from the center, and is provided rotatably on both the left and right sides via a stop collar 1-3. It has a well-known structure with a sleeve (rotating part) 1-1.
  • the disk 2 includes a large-diameter disk 2-2 and a small-diameter disk 2-1, both of which are formed in a disk shape as is well known.
  • the large-diameter disk 2-2 is a rubber disk in which the entire circumference is integrally covered with a rubber material, and the rubber material is color-coded according to the weight. For example, weight force kg, 10kg, 15kg, 20kg, 25kg and outer diameter ⁇ 450mm.
  • the small-diameter disk 2-1 is formed in a disk shape having a size (outer diameter) and thickness corresponding to various weights of the smallest unit, and the shaft core has substantially the same diameter as the outer diameter of the sleeve 1-1. Open a through hole 4 with an inner diameter of ing.
  • the weight is the smallest unit, for example 0.5kg, 1. Okg, 1.2
  • a ring-shaped concave connecting groove 5 having an appropriate opening width and depth for being connected to a disk mounting member 3-3 of the collar 3 by screwing on one side of the small-diameter disk 2-1 is coaxially provided.
  • a female thread 6 is provided on the inner groove wall of the connecting groove 5, and the small diameter disk 2 is formed on the same axis on the outer side in the axial direction of the collar 3 by screwing the collar 3 to a male screw 7 described later. -1 is installed and set.
  • the collar 3 is arranged so that several groups of two disks, such as a large-diameter disk 2-2 inserted into the sleeve 1-1, do not move in the axial direction by the stopper collar 1-3. It serves to fix and fix from the direction, and is composed of an inner member 3-1, an outer member 3-2, a disk mounting member 3-3, and these three members.
  • the inner member 3-1 has a through-hole 9 having the same diameter as the shaft diameter of the sleeve 1-1 in the shaft core, and a tapered portion 10 that is gradually inclined from one end toward the other end. It consists of a block body 3-10 having a substantially semicircular cross section divided into four circumferentially on the surface.
  • connection recessed part 11 is formed in the double-sided division
  • an elastic member 12 such as a coil spring so that the inner diameter can be varied to form a ring cylinder.
  • an engagement groove 13 is formed in the outer peripheral edge of the other end of each block body 3-10 so that the disk mounting member 3-3 can be coaxially mounted on the outer side of the other end.
  • the number of divisions in the circumferential direction of the inner member 3-1 is not particularly limited, and can be arbitrarily divided into five divisions and six divisions.
  • the outer member 3-2 is slidably adapted to the tapered portion 10 of the inner member 3-1, as shown in the figure.
  • the inner member 3-1 is tapered so that the inner member 3-1 is gradually tightened to the sleeve 1-1 side, and the cylindrical half of the outer circumferential surface has a large diameter and the other half side. It is formed into a stepped cylinder with a small diameter.
  • the outer diameter surfaces of the large diameter and the small diameter are respectively provided with male screws 15 and 16, and a tightening nut (first screw) is provided on the small diameter side so that the disk mounting member 3-3 can be connected to the large diameter side by screwing. (2 lock screw) Make sure 17 is attached by screwing!
  • the outer peripheral surface of the central ring portion 18 of the outer member 3-2 is formed in a square shape such as a hexagonal shape so that it can be smoothly screwed in with a tightening tool. Is suitable.
  • the disk mounting member 3-3 has a stepped through-hole 19 having a small diameter on one half side and a large diameter on the other half side on the shaft core, and is connected to the disk 2-1 having a small outer diameter. It is formed in a cylindrical shape having the same diameter as the inner diameter of the outer groove wall of the groove 5.
  • a female screw 7 to be screwed into the male screw 6 of the small-diameter disk 2-1 is provided on the small-diameter inner peripheral surface of the through hole 19, and a male screw to be screwed into the female screw 15 of the outer member 3-2 is provided on the outer peripheral inner surface.
  • a screw 20 is provided, and the inner member 3-1 is tightened to the sleeve 1 side by screwed connection with the outer member 3-2, and the small-diameter disc 2-1 is attached and disengaged by screwing. I am trying to do it.
  • the disk 2-1 can be removed from the barbell by loosening the small diameter disk 2-1 screwed into the collar 3 disk mounting member 3-3. For example, by screwing another small disk 2-1 of 2.5 kg (1.25 kg on one side) onto the disk mounting member 3-3 of the collar 3, the work to set the disk 2-1 on the barbell is completed. (See Figure 2).
  • the weight adjustment in the minimum unit by the small-diameter disk 2-1 can be performed quickly and easily.
  • the small-diameter disk 2-1 is detachably mounted and set on the outer side in the axial direction of the collar 3 by a screwed structure so that the exchanged small-diameter disk 2-1 is not concealed by the collar 3. This eliminates the risk of referees making mistakes, and ensures visual confirmation. Can be recognized.
  • FIG. 4 shows an example of an embodiment of the barbell of the present invention according to claim 4.
  • the small-diameter disk 2-1 is engaged and disengaged by a magnet structure on the outer side in the axial direction of the collar 3. Form it so that it can be freely mounted and set! /
  • Embodiment 2 shows that the engagement / disengagement of the small-diameter disk 2-1 with respect to the collar 3 is changed to a magnet structure, and other configurations are basically different from those described in Embodiment 1 above. Therefore, duplicate description is omitted by using the same reference numerals for the same components.
  • the small-diameter disk 2-1 is formed so that it can be quickly attached and detached by simple operation such as removing it.
  • FIG. 5 shows an example of an embodiment of the barbell of the present invention according to claim 5, and in Example 3, a small-diameter disk 2-1 is engaged with a pinning structure on the outer side in the axial direction of the collar 3. Form it so that it can be easily attached and set! /
  • pins are connected to several coaxial force points on the outer surface of the disk mounting member 3-3 constituting the collar 3 (two opposite positions in the figure).
  • a folding pin 24 that bends around the shaft support 23 is installed by screwing or other fastening means, while a pin insertion hole 25 is opened on the coaxial circumference opposite to the folding pin 24 on the small-diameter disk 2-1 side.
  • the small-diameter disk 2-1 is mounted on the collar 3. So that it can be attached and detached freely.
  • the shaft support portion 23 and the like are provided so that the respective states are held elastically when the pin 24 is bent or returned linearly by folding the shaft support portion 23 at the fulcrum. It is optional, including a spring material or other spring member. For example, as long as the shaft support portion 23 is provided with a spring material and does not exceed the dead point, the folding pin 24 is not inadvertently returned to the folded state force linear state.
  • FIGS. 6 to 8A and 8B show another embodiment of the pinning structure in the above-described third embodiment.
  • the fourth embodiment includes an engagement pin 26 on the collar 3 side and a small-diameter disk 2-1.
  • the small-diameter disk 2-1 is formed on the outer side in the axial direction of the collar 3 so that it can be detachably mounted by engaging with the engaging long hole 27 on the side.
  • the collar 30 in Embodiment 4 is fixed by fixing the divided member 30-1 to the outer periphery of the sleeve 1-1 by screwing connection with the two screws 28 on both sides. Fix the disk 2-2 with the color 3 so that it cannot move in the axial direction.
  • the engagement pin 26 is provided by screwing or other fastening means on the outer circumference of each of the split members 30-1 of the collar 30 by means of screwing or other fastening means.
  • the small-diameter disk 2-1 is detachably mounted on the collar 30 by locking a hole locking portion 31 described later of the engagement long hole 29 with respect to the engagement groove 29! / RU
  • the engagement grooves 29 are provided at two predetermined intervals with a predetermined interval so that two small-diameter disks 2-1 having the same weight or different weights can be mounted and set in parallel.
  • the engagement pin 26 penetrates and protrudes from the pin insertion portion 27-1 at the opening base portion of the engagement long hole 27 to reduce the diameter.
  • the disk 2-1 By rotating the disk 2-1 counterclockwise (the arrow direction in FIG. 8), the hole locking portion 31 is engaged with the engagement groove 29 of the engagement pin 26, and the small-diameter disk 2-1 is Attached to the outside in the axial direction so as to be freely disengaged (see Fig. 6 and Fig. 7).
  • FIG. 9 and FIG. 11 show an example of an embodiment of the barbell of the present invention according to claim 6, and in such Example 5, the locking ball 32 on the side of the collar 3 and the small-diameter disk are shown. 2-1 side ball locking
  • the ball stop structure by engaging with the recess 33 is formed so that the small diameter disk 2-1 can be detachably mounted on the outer side of the collar 3 in the axial direction.
  • the ball loading holes 34 are formed at two opposite positions of the collar 30 so as to have an inward opening in the axial direction, and the locking balls 32 are inserted inwardly via a spring member 35 such as a coil spring. It can be loaded so that it can protrude and cannot be removed.
  • the ball loading holes 34 are provided at two predetermined intervals so that two small-diameter disks 2-1 having the same weight or different weights can be mounted and set in parallel.
  • the small-diameter disk 2-1 having the ball engaging recess 33 includes a recess 36 that has a substantially U-shape with two outward openings, as shown in the drawing, and the recess 36 A ball locking recess 33 is provided at the bottom of the recess.
  • FIG. 12 shows another embodiment of the barbell of the present invention according to Example 3 described above.
  • Example 6 the collar 36 of the small-diameter disk 2-1 other than the configuration of the collar 37 is changed. Since the engagement / disengagement structure is basically the same as the details of the fourth embodiment, the same reference numerals are used for the same components and the duplicated explanation is omitted.
  • the collar 37 has a ring shape that is fitted into the sleeve 1-1, and is fixedly fixed to the sleeve 1-1 by tightening a set screw 38 with a handle provided at one outer periphery.
  • the above-mentioned retaining collars 1-3 and the above-described retaining collars 1-3 fix and fix the disks 2-2 so that they cannot move in the axial direction.
  • FIG. 13 to FIG. 15 show an example of an embodiment of the barbell of the present invention according to claim 7.
  • the claw portion 39 on the collar 3 side and the small-diameter disk 2-1 can be detachably mounted and set on the outer side in the axial direction of the collar 3 by a claw locking structure that is engaged with the claw locking portion 40 on the side.
  • Embodiment 7 shows that the engagement and disengagement of the small-diameter disk 2-1 with respect to the collar 3 is changed to a claw locking structure, and other configurations are basically the same as the details of Embodiment 1. Therefore, duplicated explanation is omitted by using the same reference numerals for the same components.
  • the weight adjustment at the minimum unit for example, 2.5 kg (1.25 kg on one side) performed as the competition progresses
  • the small-diameter disc 2-1 can be quickly attached and detached by a simple operation such as turning the small-diameter disc 2-1 so as to unlock the pawl engaging portion 40 with respect to 39.
  • Fig. 16 shows an example of an embodiment of the barbell of the present invention according to claims 8 and 9, in which the small-diameter disk 2-1 is screwed to form a sleeve 1- 1 can be attached and detached freely.
  • a female screw hole 41 that is penetrated toward the outer peripheral surface of the small-diameter disk 2-1 at one point through the force hole 4 is formed, and a knob screw 42 that is screwed into the screw hole 41 is formed.
  • the small diameter disc 2-1 can be mounted and set on the sleeve 1-1 on the outer side of the collar 30 in the axial direction. Then, by loosening the screw 42 with the knob and releasing the locking state with respect to the sleeve 1-1, the small diameter disc 2-1 can be easily and quickly removed by an operation of pulling it out of the sleeve 1-1.
  • the barbell according to the present invention can quickly and easily add a small-diameter disk or set another small-diameter disk when adjusting the weight with the small-diameter disk having the smallest unit weight.
  • the small-diameter disk can be concealed by mounting the small-diameter disk at the outer position in the axial direction of the collar. Visual confirmation by the referee will be possible.
  • FIG. 1 is a front view showing an entire example of an embodiment of a barbell of the present invention.
  • FIG. 2 Enlarged vertical section of the main part showing Example 1 of the engagement / disengagement structure of the small-diameter disk with respect to the collar
  • FIG. 4 is an enlarged perspective view of the main part showing a second embodiment of the engagement / disengagement structure.
  • FIG. 5 Enlarged vertical view of the main part showing Example 3 of the engagement / disengagement structure
  • FIG. 6 Enlarged vertical view of the main part showing Example 4 of the engagement / disengagement structure
  • FIG. 8A is a side view showing a small-diameter disk in Example 4.
  • FIG. 9 is an enlarged front view of the main part showing Example 5 of the engagement / disengagement structure.
  • FIG. 12 is an enlarged front view of the main part showing the sixth embodiment of the engagement / disengagement structure, with a part cut away.
  • FIG. 13 is an enlarged perspective view of the main part showing the seventh embodiment of the engagement / disengagement structure. Indicates the state of setting a small-diameter disc
  • FIG. 14A is a side view showing a small-diameter disk in Example 7.
  • FIG. 14B BB cross section of Fig. 14A
  • FIG. 16 Enlarged longitudinal sectional view of the main part showing Example 8 of the engagement / disengagement structure of the small-diameter disk with respect to the sleeve
  • Female screw hole 42 Screw with knob

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

La présente invention concerne une structure d'installation/retrait pour un disque de faible diamètre, permettant, dans l'ajustement de poids à l'aide de disques de faible diamètre, que les disques de faible diamètre soient remplacés ou ajoutés sans enlever de colliers. Il est décrit une barre à disques où des disques (2) sont installés sur des manchons (1-1) sur les côtés gauche et droit d'une barre (1) et des colliers sont installés sur les manchons (1-1), les disques (2) étant ainsi fixés de manière à ne plus être déplaçables axialement. Des disques de faible diamètre (2-1) peuvent être installés de manière amovible et installés sur les colliers (3), à des positions axialement à l'extérieur des colliers (3), en utilisant une structure d'installation/retrait telle qu'une structure de fixation par vis.
PCT/JP2005/002176 2005-02-14 2005-02-14 Barre a disques WO2006092823A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/002176 WO2006092823A1 (fr) 2005-02-14 2005-02-14 Barre a disques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/002176 WO2006092823A1 (fr) 2005-02-14 2005-02-14 Barre a disques

Publications (1)

Publication Number Publication Date
WO2006092823A1 true WO2006092823A1 (fr) 2006-09-08

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Family Applications (1)

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PCT/JP2005/002176 WO2006092823A1 (fr) 2005-02-14 2005-02-14 Barre a disques

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700032953A1 (it) * 2017-03-24 2018-09-24 Trial S R L Dispositivo di bloccaggio di pesi per bilanciere
KR102504061B1 (ko) * 2022-11-01 2023-02-28 주식회사 스마트핏 바벨용 무게원판 이중 고정장치

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5078392A (en) * 1990-12-10 1992-01-07 Kracht James F Weight lifting bar apparatus with rotatable sleeve element
US5628716A (en) * 1995-12-22 1997-05-13 Brice; John P. Adjustable weight exercise device
US5735777A (en) * 1994-12-08 1998-04-07 Kenneth J. Benoit Adaptive weight device
US20020107118A1 (en) * 2001-01-22 2002-08-08 Shifferaw Tessema Dosho Adjustable dumbbell/barbell
US20030004040A1 (en) * 2001-07-02 2003-01-02 Sportsmed Exercise apparatus
US20030096683A1 (en) * 2000-02-09 2003-05-22 Fenelon Paul J. Balanced stackable dumbbell system
JP3103472U (ja) * 2004-02-19 2004-08-12 孝善 松本 カフスボタン

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5078392A (en) * 1990-12-10 1992-01-07 Kracht James F Weight lifting bar apparatus with rotatable sleeve element
US5735777A (en) * 1994-12-08 1998-04-07 Kenneth J. Benoit Adaptive weight device
US5628716A (en) * 1995-12-22 1997-05-13 Brice; John P. Adjustable weight exercise device
US20030096683A1 (en) * 2000-02-09 2003-05-22 Fenelon Paul J. Balanced stackable dumbbell system
US20020107118A1 (en) * 2001-01-22 2002-08-08 Shifferaw Tessema Dosho Adjustable dumbbell/barbell
US20030004040A1 (en) * 2001-07-02 2003-01-02 Sportsmed Exercise apparatus
JP3103472U (ja) * 2004-02-19 2004-08-12 孝善 松本 カフスボタン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700032953A1 (it) * 2017-03-24 2018-09-24 Trial S R L Dispositivo di bloccaggio di pesi per bilanciere
KR102504061B1 (ko) * 2022-11-01 2023-02-28 주식회사 스마트핏 바벨용 무게원판 이중 고정장치

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