JPS55159320A - Ball-spline mechanism - Google Patents

Ball-spline mechanism

Info

Publication number
JPS55159320A
JPS55159320A JP6405379A JP6405379A JPS55159320A JP S55159320 A JPS55159320 A JP S55159320A JP 6405379 A JP6405379 A JP 6405379A JP 6405379 A JP6405379 A JP 6405379A JP S55159320 A JPS55159320 A JP S55159320A
Authority
JP
Japan
Prior art keywords
shaft
balls
retainer
contact
ball
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.)
Granted
Application number
JP6405379A
Other languages
Japanese (ja)
Other versions
JPS6011247B2 (en
Inventor
Masayuki Uchiyama
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.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Priority to JP6405379A priority Critical patent/JPS6011247B2/en
Publication of JPS55159320A publication Critical patent/JPS55159320A/en
Publication of JPS6011247B2 publication Critical patent/JPS6011247B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Bearings For Parts Moving Linearly (AREA)

Abstract

PURPOSE: To render the circulation of balls smooth and to increase the rigidity of a shaft, by forming projections on the outer surface of a retainer serving to hold the balls in place, and providing relief sections for preventing contact with the shaft.
CONSTITUTION: The spline shaft 20, fitted on the inner surface of the retainer 6 for holding the balls 14 in place, is axially formed with a ball-spline grooves 21 for holding balls 14 in place together with mating a ball rolling grooves 4 and a small relief sections 22 for preventing that lands 13 of the retainer 6 come into contact with the shaft. By thus positioning various elements by fitting projections 7 into unloaded ball guiding grooves 3 formed in outer sleeve 1, it is prevented that the retainer comes into contact with balls 14, and circulation of balls 14 can be rendered smooth. Further, since the relief sections 22 are provided for preventing contact of the lands 13 with the shaft, machining costs can be rendered low, and rigidity of the shaft can be increased since the section of spline shaft 20 is reduced greatly.
COPYRIGHT: (C)1980,JPO&Japio
JP6405379A 1979-05-25 1979-05-25 Ball spline device Expired JPS6011247B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6405379A JPS6011247B2 (en) 1979-05-25 1979-05-25 Ball spline device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6405379A JPS6011247B2 (en) 1979-05-25 1979-05-25 Ball spline device

Publications (2)

Publication Number Publication Date
JPS55159320A true JPS55159320A (en) 1980-12-11
JPS6011247B2 JPS6011247B2 (en) 1985-03-25

Family

ID=13246957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6405379A Expired JPS6011247B2 (en) 1979-05-25 1979-05-25 Ball spline device

Country Status (1)

Country Link
JP (1) JPS6011247B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59155617A (en) * 1983-02-21 1984-09-04 Tsubakimoto Seikou:Kk Ball spline

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186644U (en) * 1985-05-15 1986-11-20

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59155617A (en) * 1983-02-21 1984-09-04 Tsubakimoto Seikou:Kk Ball spline
JPS6211210B2 (en) * 1983-02-21 1987-03-11 Tsubakimoto Precision Prod

Also Published As

Publication number Publication date
JPS6011247B2 (en) 1985-03-25

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