JP2018179293A - プーリ構造体 - Google Patents
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- JP2018179293A JP2018179293A JP2018070956A JP2018070956A JP2018179293A JP 2018179293 A JP2018179293 A JP 2018179293A JP 2018070956 A JP2018070956 A JP 2018070956A JP 2018070956 A JP2018070956 A JP 2018070956A JP 2018179293 A JP2018179293 A JP 2018179293A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/1216—Torsional springs, e.g. torsion bar or torsionally-loaded coil springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/08—Friction clutches with a helical band or equivalent member, which may be built up from linked parts, with more than one turn embracing a drum or the like, with or without an additional clutch actuating the end of the band
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/12—Friction clutches with an expansible band or coil co-operating with the inner surface of a drum or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/14—Friction clutches with outwardly-movable clutching members co-operating with the inner surface of a drum or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/20—Freewheels or freewheel clutches with expandable or contractable clamping ring or band
- F16D41/206—Freewheels or freewheel clutches with expandable or contractable clamping ring or band having axially adjacent coils, e.g. helical wrap-springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/022—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with a helical band or equivalent member co-operating with a cylindrical torque limiting coupling surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/042—Rotating electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/001—Specific functional characteristics in numerical form or in the form of equations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2232/00—Nature of movement
- F16F2232/02—Rotary
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2234/00—Shape
- F16F2234/02—Shape cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
- F16F2236/08—Torsion
- F16F2236/085—Torsion the spring being annular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/024—Springs torsional
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H2055/363—Pulleys with special means or properties for lateral tracking of the flexible members running on the pulley, e.g. with crowning to keep a belt on track
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H2055/366—Pulleys with means providing resilience or vibration damping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/49—Features essential to V-belts pulleys
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pulleys (AREA)
- Springs (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
実施例1のプーリ構造体は、上記実施形態のプーリ構造体1と同様の構成であって、コイルばね(4)のばね線は、ばね用オイルテンパー線(JISG3560:1994に準拠)とした。ばね線は、台形線であって、内径側軸方向長さは、3.8mmとし、外径側軸方向長さは、3.6mmとし、径方向長さは、5.0mmとした。コイルばね(4)の巻き数は7巻き(M=7)とし、巻き方向は左巻きとした。コイルばね(4)の軸方向の圧縮率は、約20%とした。軸方向に隣り合うばね線間の隙間は、0.3mmとした。また、コイルばねの素線倒れは、0.7°であった。つまり、ばね線の断面における外径側部分(外径側の面)が、ばね線の断面コイルばねの中心軸線に平行な外径基準線に対して、0.7°傾斜していた。
実施例2〜8のプーリ構造体は、コイルばねの巻き数以外、実施例1のプーリ構造体と同じ構成とした。第2〜第8実施例のコイルばね(4)は、それぞれ、実施例1のコイルばねに対して、5°、10°、20°、25°、30°、40°、45°分の長さだけ巻き数の少ないものとした。これにより、例えば、実施例1のコイルばねに対して、45°分の長さだけ巻き数の少ない実施例8のコイルばね(4)の巻き数が6.875(=7−0.125)巻きとなり、25°分の長さだけ巻き数の少ない実施例5のコイルばね(4)の巻き数が6.931(=7−0.069)巻きとなる。
比較例1、2のプーリ構造体は、コイルばね以外、実施例1のプーリ構造体と同じ構成とした。比較例1のコイルばねは、実施例1のコイルばねに対して5°分の長さだけ巻き数の多いものとした。これにより、比較例1のコイルばねの巻き数は、7.014巻となる。また、比較例2のコイルばねは、実施例1のコイルばねに対して50°分の長さだけ巻き数の少ないものとした。これにより、比較例2のコイルばねの巻き数は6.861巻となる。
実施例1〜8及び比較例1、2のプーリ構造体について、図7の(a)、(b)に示すエンジンベンチ試験機200を用いて、耐摩耗性試験を行った。エンジンベンチ試験機200は、補機駆動システムを含む試験装置であって、エンジン210のクランク軸211に取り付けられたクランクプーリ201と、エアコン・コンプレッサ(AC)に接続されたACプーリ202、ウォーターポンプ(WP)に接続されたWPプーリ203とを有する。実施例1〜8及び比較例1、2のプーリ構造体100は、オルタネータ(ALT)220の軸221に接続される。また、クランクプーリ201とプーリ構造体100とのベルトスパン間に、オートテンショナ(A/T)204が設けられる。エンジンの出力は、1本のベルト(Vリブドベルト)250を介して、クランクプーリ201から時計回りに、プーリ構造体100、WPプーリ203、ACプーリ202に対してそれぞれ伝達されて、各補機(オルタネータ、ウォーターポンプ、エアコン・コンプレッサ)は駆動される。なお、図7の(b)では、プーリ202、203、204の図示を省略して、ベルト250を介したプーリ構造体100とクランクプーリ201との接続を示している。
2 外回転体
2a 圧接面
3 内回転体
4 コイルばね
Claims (3)
- ベルトが巻き掛けられる筒状の外回転体と、
前記外回転体の径方向内側に設けられ、前記外回転体と同一の回転軸を中心として前記外回転体に対して相対回転可能な内回転体と、
前記外回転体と前記内回転体との間に設けられ、前記回転軸に沿った軸方向に圧縮されているコイルばねと、を備え、
前記コイルばねは、拡径又は縮径方向にねじり変形することによって、前記外回転体及び前記内回転体と係合して、前記外回転体と前記内回転体との間でトルクを伝達し、トルクの伝達時と反対方向にねじり変形することによって、前記外回転体又は前記内回転体と摺動する係合解除状態となって、前記外回転体と前記内回転体との間でのトルクの伝達を遮断するように構成され、
前記コイルばねの巻き数は、Mを自然数として、[M−0.125]以上且つM以下の範囲内である、プーリ構造体。 - 前記コイルばねの巻き数は、[M−0.069]以上且つM以下の範囲内である、請求項1に記載のプーリ構造体。
- 前記コイルばねが前記係合解除状態となるときの前記コイルばねのねじりトルクは、1N・m以上10N・m以下に設定されている、請求項1又は2に記載のプーリ構造体。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112019021827A BR112019021827A2 (pt) | 2017-04-19 | 2018-04-17 | estrutura de polias |
MYPI2019005809A MY197447A (en) | 2017-04-19 | 2018-04-17 | Pulley structure |
EP18787141.3A EP3614021A4 (en) | 2017-04-19 | 2018-04-17 | PULLEY STRUCTURE |
PCT/JP2018/015921 WO2018194075A1 (ja) | 2017-04-19 | 2018-04-17 | プーリ構造体 |
CN201880024267.0A CN110494677B (zh) | 2017-04-19 | 2018-04-17 | 带轮结构体 |
US16/603,304 US11668386B2 (en) | 2017-04-19 | 2018-04-17 | Pulley structure |
CA3055911A CA3055911C (en) | 2017-04-19 | 2018-04-17 | Pulley structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017082495 | 2017-04-19 | ||
JP2017082495 | 2017-04-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018179293A true JP2018179293A (ja) | 2018-11-15 |
JP6908552B2 JP6908552B2 (ja) | 2021-07-28 |
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ID=64282904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018070956A Active JP6908552B2 (ja) | 2017-04-19 | 2018-04-02 | プーリ構造体 |
Country Status (6)
Country | Link |
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US (1) | US11668386B2 (ja) |
EP (1) | EP3614021A4 (ja) |
JP (1) | JP6908552B2 (ja) |
CN (1) | CN110494677B (ja) |
BR (1) | BR112019021827A2 (ja) |
CA (1) | CA3055911C (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020118269A (ja) * | 2019-01-28 | 2020-08-06 | 株式会社オカモトホールディングス | トレーニングマシーンの振動吸収装置 |
JP2020183807A (ja) * | 2019-04-26 | 2020-11-12 | 三ツ星ベルト株式会社 | プーリ構造体 |
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JP3556800B2 (ja) | 1997-04-09 | 2004-08-25 | 光洋精工株式会社 | オルタネータプーリ |
JP2002227973A (ja) | 2001-02-05 | 2002-08-14 | Ntn Corp | スプリングクラッチ |
JP5008928B2 (ja) | 2005-10-31 | 2012-08-22 | 三ツ星ベルト株式会社 | プーリ構造体 |
JP4883401B2 (ja) * | 2006-09-28 | 2012-02-22 | 株式会社ジェイテクト | プーリユニット |
US20090197719A1 (en) | 2008-01-31 | 2009-08-06 | Imtiaz Ali | Torsional decoupler |
WO2009118834A1 (ja) * | 2008-03-26 | 2009-10-01 | 株式会社ジェイテクト | プーリユニット |
US8678157B2 (en) | 2011-05-25 | 2014-03-25 | Gates Corporation | Isolator decoupler |
US8888622B2 (en) * | 2012-06-04 | 2014-11-18 | The Gates Corporation | Isolator decoupler |
JP5914416B2 (ja) | 2012-06-20 | 2016-05-11 | 三ツ星ベルト株式会社 | プーリ構造体 |
US9206892B2 (en) * | 2014-04-08 | 2015-12-08 | Gates Corporation | Isolating decoupler |
JP6290944B2 (ja) * | 2015-02-20 | 2018-03-07 | 三ツ星ベルト株式会社 | プーリ構造体 |
JP6511085B2 (ja) * | 2016-04-28 | 2019-05-15 | 三ツ星ベルト株式会社 | プーリ構造体 |
US9797469B1 (en) * | 2016-05-13 | 2017-10-24 | Gates Corporation | Isolating decoupler |
US11274739B2 (en) * | 2017-03-30 | 2022-03-15 | Mitsuboshi Belting Ltd. | Pulley structure and method for manufacturing pulley structure |
JP6661044B2 (ja) * | 2018-06-25 | 2020-03-11 | 三ツ星ベルト株式会社 | プーリ構造体、滑り軸受、及び、滑り軸受の製造方法 |
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2018
- 2018-04-02 JP JP2018070956A patent/JP6908552B2/ja active Active
- 2018-04-17 CA CA3055911A patent/CA3055911C/en active Active
- 2018-04-17 US US16/603,304 patent/US11668386B2/en active Active
- 2018-04-17 BR BR112019021827A patent/BR112019021827A2/pt unknown
- 2018-04-17 CN CN201880024267.0A patent/CN110494677B/zh active Active
- 2018-04-17 EP EP18787141.3A patent/EP3614021A4/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020118269A (ja) * | 2019-01-28 | 2020-08-06 | 株式会社オカモトホールディングス | トレーニングマシーンの振動吸収装置 |
JP2020183807A (ja) * | 2019-04-26 | 2020-11-12 | 三ツ星ベルト株式会社 | プーリ構造体 |
JP7356398B2 (ja) | 2019-04-26 | 2023-10-04 | 三ツ星ベルト株式会社 | プーリ構造体 |
Also Published As
Publication number | Publication date |
---|---|
CA3055911C (en) | 2021-09-14 |
EP3614021A4 (en) | 2020-12-30 |
US20210102614A1 (en) | 2021-04-08 |
CA3055911A1 (en) | 2018-10-25 |
JP6908552B2 (ja) | 2021-07-28 |
EP3614021A1 (en) | 2020-02-26 |
BR112019021827A2 (pt) | 2020-05-19 |
CN110494677B (zh) | 2022-10-14 |
CN110494677A (zh) | 2019-11-22 |
US11668386B2 (en) | 2023-06-06 |
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