JPS56116951A - Ball screw - Google Patents
Ball screwInfo
- Publication number
- JPS56116951A JPS56116951A JP2043680A JP2043680A JPS56116951A JP S56116951 A JPS56116951 A JP S56116951A JP 2043680 A JP2043680 A JP 2043680A JP 2043680 A JP2043680 A JP 2043680A JP S56116951 A JPS56116951 A JP S56116951A
- Authority
- JP
- Japan
- Prior art keywords
- balls
- rolling
- ball
- elastic body
- coil springs
- 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
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing balls
-
- 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2233—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with cages or means to hold the balls in position
- F16H25/2238—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with cages or means to hold the balls in position using ball spacers, i.e. spacers separating the balls, e.g. by forming a chain supporting the balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
PURPOSE: To permit smooth rolling of balls by allowing a weak elastic body to be interposed between balls so that a large compressive force not to act between balls when the balls which support loads shift in rolling.
CONSTITUTION: Between a screw shaft 1 and the both spiral grooves 2 and 4 of a ball nut 3, the balls 5 which are inserted in the spiral grooves 2 and 4 and rolls freely, compression coil springs 6 which separate the balls 5 each other, and the annular bodies 7 which are freely inserted onto the outside of the compression coil springs 6 are arranged. As the balls which shift in rolling are separated each other by the elastic body 6, the resistance which suppresses the rolling of the ball 5 is hardly varied, even if a little unevenness of the revolution speed of the ball 5 on its axis of the ball 5 which shifts in rolling is generated.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2043680A JPS56116951A (en) | 1980-02-22 | 1980-02-22 | Ball screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2043680A JPS56116951A (en) | 1980-02-22 | 1980-02-22 | Ball screw |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56116951A true JPS56116951A (en) | 1981-09-14 |
Family
ID=12026982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2043680A Pending JPS56116951A (en) | 1980-02-22 | 1980-02-22 | Ball screw |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56116951A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0930450A1 (en) * | 1997-07-31 | 1999-07-21 | Thk Co., Ltd. | Ball screw device |
US6347558B1 (en) | 1998-06-02 | 2002-02-19 | Nsk Ltd. | Ball screw device and linear motion device |
EP1279866A2 (en) * | 2001-07-17 | 2003-01-29 | Nsk Ltd | Ball screw |
DE19925040B4 (en) * | 1998-06-02 | 2004-09-16 | Nsk Ltd. | Ball screw device and linear offset device |
JP2006329433A (en) * | 1998-06-02 | 2006-12-07 | Nsk Ltd | Ball screw device and linear motion device |
US7263908B2 (en) | 2002-12-18 | 2007-09-04 | Ina-Schaeffler Kg | Ball screw |
-
1980
- 1980-02-22 JP JP2043680A patent/JPS56116951A/en active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0930450A1 (en) * | 1997-07-31 | 1999-07-21 | Thk Co., Ltd. | Ball screw device |
EP0930450A4 (en) * | 1997-07-31 | 2001-01-31 | Thk Co Ltd | Ball screw device |
US6347558B1 (en) | 1998-06-02 | 2002-02-19 | Nsk Ltd. | Ball screw device and linear motion device |
DE19925040B4 (en) * | 1998-06-02 | 2004-09-16 | Nsk Ltd. | Ball screw device and linear offset device |
US6805019B2 (en) | 1998-06-02 | 2004-10-19 | Nsk Ltd. | Ball screw device and linear motion device |
JP2006329433A (en) * | 1998-06-02 | 2006-12-07 | Nsk Ltd | Ball screw device and linear motion device |
US7146869B2 (en) | 1998-06-02 | 2006-12-12 | Nsk Ltd. | Ball screw device and linear motion device |
US7159481B2 (en) | 1998-06-02 | 2007-01-09 | Nsk Ltd. | Ball screw device and linear motion device |
DE19925040C5 (en) * | 1998-06-02 | 2009-01-29 | Nsk Ltd. | Ball screw device and Linearversatzeinrichtung |
EP1279866A2 (en) * | 2001-07-17 | 2003-01-29 | Nsk Ltd | Ball screw |
EP1279866A3 (en) * | 2001-07-17 | 2009-03-18 | Nsk Ltd | Ball screw |
US7263908B2 (en) | 2002-12-18 | 2007-09-04 | Ina-Schaeffler Kg | Ball screw |
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