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GB2514926A - Improved harmonic drive - Google Patents

Improved harmonic drive Download PDF

Info

Publication number
GB2514926A
GB2514926A GB1409342.1A GB201409342A GB2514926A GB 2514926 A GB2514926 A GB 2514926A GB 201409342 A GB201409342 A GB 201409342A GB 2514926 A GB2514926 A GB 2514926A
Authority
GB
United Kingdom
Prior art keywords
layers
gear
harmonic drive
layer
sheet material
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB1409342.1A
Other versions
GB201409342D0 (en
Inventor
Joseph Michael
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GPLSQUARED Ltd
Original Assignee
GPLSQUARED 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 GPLSQUARED Ltd filed Critical GPLSQUARED Ltd
Publication of GB201409342D0 publication Critical patent/GB201409342D0/en
Publication of GB2514926A publication Critical patent/GB2514926A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F16H49/00—Other gearings
    • F16H49/001—Wave gearings, e.g. harmonic drive transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Gears, Cams (AREA)

Abstract

A harmonic drive adds flanges to involute profiled gears to prevent jamming. The flanges maintain a separation distance between flexible gear teeth (9) and rigid gear teeth (10) preventing the flexible gear (4) from jamming. The device in minimal construction is made with five layers of sheet material of which the inner most layer is the gear layer (23), then two flange layers (22) sandwich the gear layer, and then another two layers (13) make up the gearbox housing. The flexible gear (4) is fitted with a plurality of pins (15) to constrain it from rotating in undesirable modes of operation. The improved harmonic drive gearbox has advantage of high holding torque, near zero backlash, and in minimal construction, is made from five layers of sheet material cut with tools such as laser, stamping machine, water jet, plasma torch or photo etching.
GB1409342.1A 2011-11-14 2012-11-13 Improved harmonic drive Withdrawn GB2514926A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1119633.4A GB2496455A (en) 2011-11-14 2011-11-14 Harmonic drive having gears with flanges
PCT/GB2012/052813 WO2013072673A1 (en) 2011-11-14 2012-11-13 Improved harmonic drive

Publications (2)

Publication Number Publication Date
GB201409342D0 GB201409342D0 (en) 2014-07-09
GB2514926A true GB2514926A (en) 2014-12-10

Family

ID=45444116

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1119633.4A Withdrawn GB2496455A (en) 2011-11-14 2011-11-14 Harmonic drive having gears with flanges
GB1409342.1A Withdrawn GB2514926A (en) 2011-11-14 2012-11-13 Improved harmonic drive

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1119633.4A Withdrawn GB2496455A (en) 2011-11-14 2011-11-14 Harmonic drive having gears with flanges

Country Status (2)

Country Link
GB (2) GB2496455A (en)
WO (1) WO2013072673A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150024898A1 (en) * 2013-07-16 2015-01-22 Apex Brands, Inc. Planetary Gear Set with Improved Performance and a Method of Producing a Ring Gear
US9353804B2 (en) * 2014-07-08 2016-05-31 Hamilton Sundstrand Corporation Harmonic drive assembly with selective disconnect and method
DE102016222997B4 (en) * 2016-11-22 2019-01-03 Schaeffler Technologies AG & Co. KG Flexible transmission component
DE102017216489B3 (en) 2017-09-18 2018-10-31 Magna Powertrain Bad Homburg GmbH Harmonic Drive gearbox with a planetary gear as wave generator
CN109695694B (en) * 2018-12-10 2021-04-30 广州市昊志机电股份有限公司 Involute harmonic gear shaping method and harmonic reducer
CN111249117B (en) * 2020-01-20 2022-07-15 深圳市丞辉威世智能科技有限公司 Power joint and power exoskeleton rehabilitation robot
EP4039586B1 (en) * 2021-02-05 2023-09-27 Goodrich Actuation Systems SAS Actuator assembly
CN113790252B (en) * 2021-09-30 2023-09-26 台州学院 Composite guide rod column wheel transmission device
CN114992288B (en) * 2022-07-28 2022-12-09 常州南鹏机械有限公司 Flexible transmission planetary reducer
CN115366673B (en) * 2022-10-24 2023-02-14 溧阳市新力机械铸造有限公司 Gear shaft device for new energy automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63266250A (en) * 1987-04-24 1988-11-02 Natl Space Dev Agency Japan<Nasda> Bending engagement type power transmission device
DE19853802A1 (en) * 1998-11-21 2000-05-31 Horst Scholz Gmbh & Co Kg Power generating drive with rotating shaft generator has outer toothed deformable flexspine
DE102004043077A1 (en) * 2004-09-07 2006-03-30 Micromotion Gmbh Arrangement for creation of deformation of elastic ring gear, comprising two toothed disks loosely positioned within ring gear
US20070204723A1 (en) * 2006-03-01 2007-09-06 Honda Motor Co., Ltd. Harmonic gear drive
DE102007055838A1 (en) * 2007-12-17 2009-06-25 Zf Lenksysteme Gmbh Harmonic drive device, has flexible jar producing rotating motion of jar against stator body, and bearing arrangement with outer ring formed as single piece with jar and inner ring formed as single piece with waving generator
US20110245006A1 (en) * 2010-04-06 2011-10-06 Canon Kabushiki Kaisha Strain wave gearing and robotic arm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789700A (en) * 1972-04-04 1974-02-05 Usm Corp Positive drive roller planetary wave generator
DE4030220C2 (en) * 1990-09-25 2002-07-18 Werner Riester Gmbh & Co Kg Ar planetary gear
DE10024908C2 (en) * 2000-05-16 2002-11-07 Brose Fahrzeugteile Reduction gear

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63266250A (en) * 1987-04-24 1988-11-02 Natl Space Dev Agency Japan<Nasda> Bending engagement type power transmission device
DE19853802A1 (en) * 1998-11-21 2000-05-31 Horst Scholz Gmbh & Co Kg Power generating drive with rotating shaft generator has outer toothed deformable flexspine
DE102004043077A1 (en) * 2004-09-07 2006-03-30 Micromotion Gmbh Arrangement for creation of deformation of elastic ring gear, comprising two toothed disks loosely positioned within ring gear
US20070204723A1 (en) * 2006-03-01 2007-09-06 Honda Motor Co., Ltd. Harmonic gear drive
DE102007055838A1 (en) * 2007-12-17 2009-06-25 Zf Lenksysteme Gmbh Harmonic drive device, has flexible jar producing rotating motion of jar against stator body, and bearing arrangement with outer ring formed as single piece with jar and inner ring formed as single piece with waving generator
US20110245006A1 (en) * 2010-04-06 2011-10-06 Canon Kabushiki Kaisha Strain wave gearing and robotic arm

Also Published As

Publication number Publication date
GB201409342D0 (en) 2014-07-09
GB2496455A (en) 2013-05-15
GB201119633D0 (en) 2011-12-28
WO2013072673A1 (en) 2013-05-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)