JPS5722454A - Rack and pinion type variable gear ratio steering gear device - Google Patents
Rack and pinion type variable gear ratio steering gear deviceInfo
- Publication number
- JPS5722454A JPS5722454A JP9803180A JP9803180A JPS5722454A JP S5722454 A JPS5722454 A JP S5722454A JP 9803180 A JP9803180 A JP 9803180A JP 9803180 A JP9803180 A JP 9803180A JP S5722454 A JPS5722454 A JP S5722454A
- Authority
- JP
- Japan
- Prior art keywords
- pinion
- rack
- tooth profile
- teeth
- gear ratio
- 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
Abstract
PURPOSE: To increase the strength etc. of equipment by forming a pinion into a conical gear having the same tooth profile and forming the tooth profile of a rack into the tooth profile formed by the tooth profile of the pinion through relative shifting of the pinion and the rack so that a predetermined gear ratio between the rack and the pinion can be obtained.
CONSTITUTION: In this equipmint, a pinion 4 is formed into a conical gear having a uniform tooth profile, and the tooth profile of a rack 7 is formed while allowing the relative shift between the rack 7 and the pinion 4 based upon the tooth profile of the pinion 4 so that a predetermined variable gear ratio can be obtained between the rack 7 and the pinion 4. The pinion 4 is rotated by a steering wheel through a shaft 5, and the pinion 4 is engaged with the teeth 7a in the neighborhood of the center line C-C of the newly formed rack teeth 7a, at the neutral position where the rotation angle of the pinion 4 is zero. As the steering wheel rotates, the pinion 4 also rotated in the direction of arrow (a), and the engagement position of the pinion 4 is varied so as to permit engagement with the corresponding teeth of the rack teeth 7a on the edge.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9803180A JPS5722454A (en) | 1980-07-17 | 1980-07-17 | Rack and pinion type variable gear ratio steering gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9803180A JPS5722454A (en) | 1980-07-17 | 1980-07-17 | Rack and pinion type variable gear ratio steering gear device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5722454A true JPS5722454A (en) | 1982-02-05 |
Family
ID=14208624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9803180A Pending JPS5722454A (en) | 1980-07-17 | 1980-07-17 | Rack and pinion type variable gear ratio steering gear device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5722454A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0765793A2 (en) * | 1995-09-26 | 1997-04-02 | Trw Steering Systems Japan Co., Ltd. | A variable-pitch racked bar |
| GB2383622A (en) * | 2001-10-25 | 2003-07-02 | Philip Robert Edwar Warrington | Rack and pinion drive having two tapered pinions |
| JP2009264451A (en) * | 2008-04-23 | 2009-11-12 | Neturen Co Ltd | Rack bar and steering device |
-
1980
- 1980-07-17 JP JP9803180A patent/JPS5722454A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0765793A2 (en) * | 1995-09-26 | 1997-04-02 | Trw Steering Systems Japan Co., Ltd. | A variable-pitch racked bar |
| EP0765793A3 (en) * | 1995-09-26 | 1997-11-26 | Trw Steering Systems Japan Co., Ltd. | A variable-pitch racked bar |
| GB2383622A (en) * | 2001-10-25 | 2003-07-02 | Philip Robert Edwar Warrington | Rack and pinion drive having two tapered pinions |
| GB2383622B (en) * | 2001-10-25 | 2005-06-15 | Philip Robert Edwar Warrington | Variable pitch drive |
| JP2009264451A (en) * | 2008-04-23 | 2009-11-12 | Neturen Co Ltd | Rack bar and steering device |
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