JPS5557743A - Reduction gear - Google Patents

Reduction gear

Info

Publication number
JPS5557743A
JPS5557743A JP12836378A JP12836378A JPS5557743A JP S5557743 A JPS5557743 A JP S5557743A JP 12836378 A JP12836378 A JP 12836378A JP 12836378 A JP12836378 A JP 12836378A JP S5557743 A JPS5557743 A JP S5557743A
Authority
JP
Japan
Prior art keywords
gear
bearing
fixed
external gear
transmission pin
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.)
Pending
Application number
JP12836378A
Other languages
Japanese (ja)
Inventor
Masao Obata
Hitoshi Ogasawara
Yasuhei Nakama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12836378A priority Critical patent/JPS5557743A/en
Publication of JPS5557743A publication Critical patent/JPS5557743A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To reduce noise and vibration, by using an elastically deformable bearing for a shaft coupling between an external gear and driven shaft of a cycloidal reduction gear.
CONSTITUTION: A cycloidal reduction gear has a set of internal and external gears 17, 13, both being inscribed to each other for engagement. The revolution of external gear 13 which is eccentric to the fixed internal gear 17 and driven by a driving shaft 6 is transmitted inversely to a driven shaft 20. In this case, transmission pins 15 are fitted to the external gear 13, and a bearing 19 made of elastic material with an inner diameter nearly equal to [diameter of transmission pin 15+2× (osculating circle's radius of internal gear 17 - osculating circle's radius of external gear 13)] is fixed to a position opposed to the transmission pin 15 of a coupling 18 fixed to the driven shaft 20, and this transmission pin 15 is engaged with the said bearing 19.
COPYRIGHT: (C)1980,JPO&Japio
JP12836378A 1978-10-20 1978-10-20 Reduction gear Pending JPS5557743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12836378A JPS5557743A (en) 1978-10-20 1978-10-20 Reduction gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12836378A JPS5557743A (en) 1978-10-20 1978-10-20 Reduction gear

Publications (1)

Publication Number Publication Date
JPS5557743A true JPS5557743A (en) 1980-04-28

Family

ID=14982960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12836378A Pending JPS5557743A (en) 1978-10-20 1978-10-20 Reduction gear

Country Status (1)

Country Link
JP (1) JPS5557743A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0444790A2 (en) * 1990-02-21 1991-09-04 Sumitomo Heavy Industries, Ltd Cycloidal type planetary gear reducer
JP2007247680A (en) * 2006-03-13 2007-09-27 Nissin Kogyo Co Ltd Disc brake for vehicle
JP2007247683A (en) * 2006-03-13 2007-09-27 Nissin Kogyo Co Ltd Disk brake for vehicle
JP2013185615A (en) * 2012-03-06 2013-09-19 Jtekt Corp Reduction mechanism and motor torque transmitting device provided with the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0444790A2 (en) * 1990-02-21 1991-09-04 Sumitomo Heavy Industries, Ltd Cycloidal type planetary gear reducer
JP2007247680A (en) * 2006-03-13 2007-09-27 Nissin Kogyo Co Ltd Disc brake for vehicle
JP2007247683A (en) * 2006-03-13 2007-09-27 Nissin Kogyo Co Ltd Disk brake for vehicle
US7779971B2 (en) 2006-03-13 2010-08-24 Nissin Kogyo Co., Ltd. Vehicular disk brake
JP4546410B2 (en) * 2006-03-13 2010-09-15 日信工業株式会社 Vehicle disc brake
JP2013185615A (en) * 2012-03-06 2013-09-19 Jtekt Corp Reduction mechanism and motor torque transmitting device provided with the same

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