WO2022244277A1 - Matériel de montage d'haltères pour barres à poids et arbre de barre à poids doté de matériel de montage d'haltères - Google Patents

Matériel de montage d'haltères pour barres à poids et arbre de barre à poids doté de matériel de montage d'haltères Download PDF

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Publication number
WO2022244277A1
WO2022244277A1 PCT/JP2021/031534 JP2021031534W WO2022244277A1 WO 2022244277 A1 WO2022244277 A1 WO 2022244277A1 JP 2021031534 W JP2021031534 W JP 2021031534W WO 2022244277 A1 WO2022244277 A1 WO 2022244277A1
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WO
WIPO (PCT)
Prior art keywords
shaft
barbell
dumbbell
mounting
barbells
Prior art date
Application number
PCT/JP2021/031534
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English (en)
Japanese (ja)
Inventor
將太 小熊
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株式会社Teddy Works
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Filing date
Publication date
Application filed by 株式会社Teddy Works filed Critical 株式会社Teddy Works
Publication of WO2022244277A1 publication Critical patent/WO2022244277A1/fr

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    • 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

Definitions

  • the present invention relates to dumbbell fittings for barbells and barbell shafts equipped with dumbbell fittings.
  • dumbbells can be attached to both ends of a shaft and used as a barbell (for example, the techniques described in Patent Documents 1, 2, and 3).
  • the dumbbells are connected to both ends of the central shaft so that the central shaft and the dumbbell shaft are coaxially aligned.
  • a connection method a male screw shaft extending from at least one weight portion of the dumbbell is screwed into female screw holes cut at both ends of the central shaft, or vice versa (see, for example, Patent Documents 1 and 3), or A method of inserting a shaft extending from at least one weight portion of a dumbbell into a female hole with a bolt attached to both ends of the shaft and fixing it with a bolt is adopted (for example, see Patent Document 2).
  • dumbbells For exercise enthusiasts generally purchase simple dumbbells first, and then proceed to purchase full-fledged exercise equipment such as barbells. However, if you purchase general dumbbells first and try to purchase the barbells seen in the above-mentioned prior art, the previously purchased dumbbells cannot be connected, so after all I had to buy new dumbbells, or buy regular barbells with large circular weights.
  • dumbbells and circular weights need to be placed or stored, and there is a problem that it may be difficult for ordinary households to secure such space.
  • an object of the present invention is to provide a dumbbell mounting bracket for a barbell to which a general dumbbell can be connected, and a barbell shaft equipped with the dumbbell mounting bracket.
  • a dumbbell mounting bracket for a barbell includes a barbell shaft mounting portion that is mounted on the end of the barbell shaft, and a dumbbell shaft mounting portion that fixes the shaft of the dumbbell in a manner orthogonal to the barbell shaft.
  • dumbbell mounting bracket for a barbell to which general dumbbells can be connected, and a barbell shaft equipped with the dumbbell mounting bracket.
  • FIG. 1 is a perspective view of a first embodiment of a dumbbell fitting for a barbell that can be used as a barbell by attaching dumbbells to both ends of a barbell shaft.
  • 2A, 2B, 2C, and 2D are a plan view, a right side view, a front view, and a rear view, respectively, for explaining the dumbbell mounting bracket for the barbell in the first embodiment.
  • Figures 3A-3C show variations of barbell shafts with dumbbell fittings.
  • FIG. 4 is a perspective view of a second embodiment of a barbell shaft with dumbbell fittings for barbells, which can be used as a barbell by attaching dumbbells to both ends thereof.
  • 5A to 5E are illustrations of components of the second embodiment.
  • FIG. 6A and 6B are explanatory diagrams of the connecting mechanism of the barbell shaft.
  • 7A and 7B are explanatory diagrams of an operation example of the dumbbell mounting bracket for the barbell in the second embodiment.
  • FIG. 8 is a diagram showing a state in which the dumbbell mounting bracket for the barbell according to the second embodiment is attached to the dumbbell.
  • FIG. 1 is a perspective view of a first embodiment of a dumbbell mounting bracket 100 for barbells that can be used as a barbell by attaching dumbbells 120 to both ends of a barbell shaft 110
  • FIGS. 2A, 2B, 2C, and 2D are respectively
  • a general dumbbell 120 in which two dumbbell weights 122 a and 122 b are connected by a dumbbell shaft 121 is connected to the barbell shaft 110 by attaching the dumbbell mounting brackets 100 for barbells to both ends of the barbell shaft 110 . and can be used as a barbell.
  • the display of "5KG" for the two dumbbell weights 122a and 122b indicates that the weight of one weight is 5 kg.
  • a dumbbell mounting bracket 100 for barbells includes a barbell shaft mounting portion 102 mounted on the end of a barbell shaft 110 .
  • the barbell shaft attachment portion 102 is a general term for an upper portion 102a and a lower portion 102b.
  • the dumbbell mounting bracket 100 for barbells also includes a dumbbell shaft mounting portion 101 that holds and fixes a dumbbell shaft 121 orthogonal to the barbell shaft 110 from above and below.
  • the dumbbell shaft attachment portion 101 is a general term for the upper portion 101a and the lower portion 101b.
  • the dumbbell shaft attachment portion 101 is formed integrally with the barbell shaft attachment portion 102 .
  • the dumbbell mounting bracket 100 for barbells includes an upper part 102a+101a in which the upper part 102a of the barbell shaft mounting part 102 and the upper part 101a of the dumbbell shaft mounting part 101 are integrally formed.
  • the barbell dumbbell mounting bracket 100 also includes a lower part 102b+101b in which the lower portion 102b of the barbell shaft mounting portion 102 and the lower portion 101b of the dumbbell shaft mounting portion 101 are integrally formed.
  • the upper portion 102 a and the lower portion 102 b forming the barbell shaft mounting portion 102 form a cylindrical hollow portion 203 .
  • the upper portion 101a and the lower portion 101b forming the dumbbell shaft attachment portion 101 are open at one end to constitute the end of the cylindrical hollow portion 203, and the other end is open. It closes to form a dovetail joint.
  • the user when attaching the dumbbell 120 to the barbell shaft 110, the user sandwiches the barbell shaft 110 and the dumbbell shaft 121 between the upper part 102a+101a and the lower part 102b+101b. After that, the user inserts, for example, a bolt screw 104 with a hexagonal hole into the through hole 103 provided in each of the upper part 102a+101a and the lower part 102b+101b. Then, as shown in FIG. 2B, the user fixes the barbell shaft 110 and the dumbbell shaft 121 by screwing the nut 201 into one end of the bolt screw 104 and tightening it with, for example, a hexagonal wrench. For this reason, the barbell shaft 110 has a screw through hole (not shown) through which the bolt screw 104 is passed. Thereby, the barbell shaft 110 and the dumbbell shaft 121 can be simultaneously and reliably attached to the dumbbell mounting bracket 100 for barbells.
  • the thickness of the barbell shaft 110 inserted into the cylindrical hollow portion 203 formed by the upper portion 102a and the lower portion 102b forming the barbell shaft attachment portion 102 is, for example, 28 millimeters (hereinafter "mm ”).
  • a dumbbell mounting bracket 100 for barbells thicker than this, for example, 50 mm, may be prepared.
  • the thickness of the shaft 121 of the dumbbell 120 sandwiched in the cylindrical hollow portion 202 formed by the upper portion 101a and the lower portion 101b forming the dumbbell shaft attachment portion 101 may also be 28 mm, for example. Since the dumbbell shaft 121 is held by the dumbbell shaft attachment portion 101 in a pinching manner, it can adapt to changes in thickness of about 10 mm forward and backward from 28 mm. Furthermore, in consideration of variations in the thickness of common dumbbell shafts 121, dumbbell mounting brackets 100 for barbells adapted to different thicknesses may be prepared.
  • the dumbbell mounting bracket 100 for barbells in the first embodiment can be sold as a set of two as a single item, but can also be sold as a set with the barbell shaft 110 .
  • FIGS. 3A to 3C are diagrams showing variations of the barbell shaft 110 provided with the dumbbell mounting bracket 100 of the first embodiment described in FIGS. 1 and 2.
  • FIG. 3A shows a form in which a dumbbell shaft 121 is attached to a long barbell shaft 110 called an Olympic shaft via two barbell dumbbell fittings 100 into which sleeves 301 at both ends are inserted.
  • FIG. 3B shows a form in which a dumbbell shaft 121 is attached to a barbell shaft 110 for general training, called a standard shaft, via two barbell dumbbell fittings 100 into which sleeves 301 are inserted at both ends.
  • FIG. 3A shows a form in which a dumbbell shaft 121 is attached to a barbell shaft 110 for general training, called a standard shaft, via two barbell dumbbell fittings 100 into which sleeves 301 are inserted at both ends.
  • 3C shows a configuration in which a dumbbell shaft 121 is attached to a barbell shaft 110 called an EZ shaft, which is easy to hold, via two barbell dumbbell fittings 100 into which sleeves 301 at both ends are inserted. Furthermore, although not particularly shown, a handle-shaped barbell shaft 110 called a triceps bar that is easy to hold may be used.
  • FIG. 4 shows a second embodiment of barbell shafts 410#1 and 410#2 with dumbbell fittings 400#1 and 400#2 for barbells that can be used as barbells by attaching dumbbells 420#1 and 420#2 to both ends. It is a perspective view. As shown in FIG. 4 , two barbell shafts 410 # 1 and 410 # 2 can be connected together at a connecting portion 412 . Dumbbells 420#1 and 420#2 can be attached to both ends of the barbell shafts 410#1 and 410#2 via dumbbell attachment fittings 400#1 and 400#2 for barbells. Thereby, the user can attach favorite dumbbells 420#1 and 420#2 to the barbell shafts 410#1 and 410#2 and use them as barbells.
  • FIGS. 5A and 5B are illustrations of components of the second embodiment. 6A and 6B are explanatory diagrams of the connecting mechanism of the barbell shaft.
  • the barbell shaft 410 is divided into 410#1 shown in FIG. 5A and 410#2 shown in FIG. 5B.
  • an insertion sleeve shaft 510 is inserted into one end of the barbell shaft 410#1 and fixed to the barbell shaft 410#1 by caulking or welding. .
  • the insertion sleeve shaft 510 has an outer diameter that fits snugly into the inner diameter of the barbell shaft 410#2.
  • a fixing protrusion metal fitting 511 Attached to the insertion sleeve shaft 510 is a fixing protrusion metal fitting 511 that can be pushed in with a finger. When the finger is released, the fixing protrusion metal fitting 511 pops out of the insertion sleeve shaft 510 again due to the repulsive force of the spring installed inside.
  • a hole 413 is provided at one end of the barbell shaft 410#2.
  • the user inserts the tip of the barbell shaft 410#1 into the insertion hole while pushing the fixing protrusion 511 with a finger so that the fixing protrusion 511 is aligned with the hole 413.
  • the sleeve shaft 510 is inserted into one end of the other barbell shaft 410#2.
  • the fixing projection metal fitting 511 When the fixing projection metal fitting 511 reaches the position of the hole 413, the fixing projection metal fitting 511 pops out of the hole 413 to the outside of the barbell shaft 410#2 due to the repulsive force of the spring, as shown in FIG. 6B. This connects the barbell shafts 410#1 and 410#2.
  • the user pushes the fixing projection metal fittings 511 protruding from the holes 413 of the barbell shaft 410#2 with his/her finger while separating the barbell shaft 410#1 from the barbell shaft. Remove from 410#2.
  • FIGS. 5A and 5B are explanatory diagrams of an operation example of the dumbbell mounting brackets 400#1 and 400#2 for barbells in the second embodiment having the components shown in FIGS. 5A to 5E.
  • the barbell dumbbell mounting brackets 400#1 and 400#2 are, respectively, upper barbell mounting brackets 401a#1 and 401a#2 shown in FIG. 5C and lower dumbbell mounting brackets 401b# shown in FIGS. 5A and 5B. 1 and 401b#2, knob bolts 402#1 and 402#2 shown in FIG. 5D, and shaft diameter adjusting rubber members 504a#1, 504a#2, 504b#1, and 504b#2 shown in FIG. 5E. be done.
  • one ends 411#1 and 411#2 of barbell shafts 410#1 and 410#2 are pressed flat, respectively, and then attached to lower dumbbell mounting brackets 401b# for barbells. 1 and 401b#2.
  • Knob bolt through holes 501b#1 and 501b#2 are provided in each weld.
  • bolt-tightening nuts are welded to the outlets of the knob bolt through holes 501b#1 and 501b#2 on the back side of the barbell dumbbell mounting lower metal fittings 401b#1 and 401b#2, respectively.
  • the barbell dumbbell mounting lower fittings 401b#1 and 401b#2 are provided with fitting connection projections 502b#1 and 502b#2, respectively.
  • the barbell dumbbell mounting upper fittings 401a#1 and 401a#2 are provided with fitting connection slits 502a#1 and 502a#2, respectively.
  • the user inserts the metal fitting connection projection 502b of the lower barbell dumbbell mounting metal fitting 401b into the metal fitting connecting slit 502a of the upper barbell dumbbell mounting metal fitting 401a as indicated by an arrow 701. .
  • the user lays shaft diameter adjusting rubber materials 504a and 504b shown in FIG. 5E on the dumbbell shaft fixing portions 503a and 503b of the upper barbell dumbbell mounting bracket 401a and the lower barbell dumbbell mounting bracket 401b, respectively.
  • the rubber members 504a and 504b for adjusting the shaft diameter may be prepared in a plurality of thicknesses.
  • the user inserts the knob bolt 402 into the knob bolt through-hole 501a of the upper barbell mounting bracket 401a using his or her finger 702, and inserts the dumbbell shaft 421 into the upper barbell mounting bracket 401a. is pressed in the direction of the lower barbell mounting bracket 401b as indicated by an arrow 703.
  • the user inserts the knob bolt 402 passing through the knob bolt through hole 501a into the knob bolt through hole 501b of the dumbbell mounting lower fitting 401b for the barbell.
  • the user fits the knob bolt 402 into the nut welded to the back side of the knob bolt through-hole 501b, and rotates the knob of the knob bolt 402 clockwise using the finger 702 to tighten the upper barbell mounting bracket 401a. It is tightened to the dumbbell mounting lower fitting 401b for the barbell.
  • the user can easily use the knob bolt 402 to easily attach the upper barbell dumbbell mounting bracket 401a and the lower barbell dumbbell mounting bracket 401b to which one end 411 of the barbell shaft 410 is welded.
  • the dumbbell shaft 421 can be firmly and reliably fixed.
  • the lower dumbbell mounting bracket 401b for barbells is formed by integrally molding the welded portion with one end of the barbell shaft 410, which is the barbell shaft mounting portion, and the dumbbell shaft fixing portion 503b, which is the first portion of the dumbbell shaft mounting portion. functions as a dumbbell mounting bracket for the first barbell.
  • the barbell upper dumbbell mounting bracket 401a having the dumbbell shaft fixing portion 503a, which is the second portion of the dumbbell shaft mounting portion functions as a second barbell dumbbell mounting bracket.
  • the metal fitting connection projection 502b, the metal fitting connection slit 502a, the knob bolt 402, and the knob bolt through holes 501a and 501b are the lower barbell mounting metal fitting 401b and the upper barbell dumbbell mounting portion.
  • the metal fittings 401a By closely fixing the metal fittings 401a, it functions as a dumbbell mounting fitting adhesion metal fitting for a barbell that fixes the barbell shaft 410 and the dumbbell shaft 421 together.
  • the barbell shaft 110 was one undivided shaft.
  • the barbell shaft 410 is a two-piece shaft.
  • the barbell shaft may have various specifications, such as an undivided barbell shaft, a two-divided barbell shaft, or a three-divided barbell shaft.
  • the material of the barbell shaft if it can be divided, for example, a combination of an inner pipe shown as the insertion sleeve shaft 510 in FIG. 5 and an outer pipe shown as the barbell shafts 410#1 and 410#2 in FIG. , "iron pipe x aluminum pipe”, “iron pipe x iron pipe”, “iron pipe x wood pipe”, etc.
  • the material of the barbell shaft may be an iron round bar.
  • the barbell shafts 410#1 and 410#2 are connected using the fixing projection metal fittings 511, but they may be bolted. Further, in the second embodiment, the one ends 411#1 and 411#2 of the barbell shafts 410#1 and 410#2 are not flattened and left as they are in a pipe or columnar shape. Each of these one ends 411#1 and 411#2 is provided with a notch that penetrates in the diameter direction, is open to the one end side, and extends in the axial direction. 2 may be inserted and welded for fixation.
  • the barbell shafts of the first and second embodiments may be attached with various attachments so that various types of training using the barbell can be performed.
  • a T-bar row attachment an attachment for squats, or the like may be attached. This will allow you to expand your training horizons.
  • dumbbells As described above, with the dumbbell mounting brackets for barbells according to the first and second embodiments or the barbell shafts having the brackets at both ends, dumbbells of various manufacturers can be connected to both sides of the barbell shaft. It becomes possible to increase the training amount of the dumbbell exercise.

Abstract

Un matériel (100) de montage d'haltères, destiné à des barres à poids, est muni d'une partie (102) de montage sur arbre de barre à poids, destinée à être montée sur une partie d'extrémité d'un arbre (110) d'une barre à poids. La partie (102) de montage sur l'arbre de la barre à poids est munie d'une partie supérieure (102a) et d'une partie inférieure (102b). En outre, le matériel (100) de montage d'haltères, destiné à des barres à poids, est muni d'une partie (101) de montage d'arbre à haltères destinée à retenir et à fixer un arbre (121) destiné à des haltères, orthogonalement à l'arbre (110) de la barre à poids, à partir du dessus et du dessous. La partie (101) de montage d'arbre à haltères est munie d'une partie supérieure (101a) et d'une partie inférieure (101b). Ladite partie (101) de montage d'arbre à haltères est moulée en une seule pièce avec la partie (102) de montage sur l'arbre de la barre à poids. Des haltères (120), issus de différents fabricants, peuvent être reliés aux deux côtés de l'arbre (110) de la barre à poids.
PCT/JP2021/031534 2021-05-18 2021-08-27 Matériel de montage d'haltères pour barres à poids et arbre de barre à poids doté de matériel de montage d'haltères WO2022244277A1 (fr)

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JP2021-084077 2021-05-18
JP2021084077A JP2022177661A (ja) 2021-05-18 2021-05-18 バーベル用ダンベル取付け金具、及びダンベル取付け金具を具備するバーベルシャフト

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220355153A1 (en) * 2021-05-05 2022-11-10 Ethan Abbott Exercise equipment clamp and handles

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US20140221173A1 (en) * 2013-01-16 2014-08-07 Stuart Driver Exercise weight lifting bar
US9126079B2 (en) * 2012-07-12 2015-09-08 Edward M. Jordan Adapter for exercise bar
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220355153A1 (en) * 2021-05-05 2022-11-10 Ethan Abbott Exercise equipment clamp and handles
US11752385B2 (en) * 2021-05-05 2023-09-12 Noho Commerce, Inc. Exercise equipment clamp and handles

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