JPH0389258U - - Google Patents
Info
- Publication number
- JPH0389258U JPH0389258U JP15303589U JP15303589U JPH0389258U JP H0389258 U JPH0389258 U JP H0389258U JP 15303589 U JP15303589 U JP 15303589U JP 15303589 U JP15303589 U JP 15303589U JP H0389258 U JPH0389258 U JP H0389258U
- Authority
- JP
- Japan
- Prior art keywords
- ball screw
- showing
- screw shaft
- low
- rigidity portion
- 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
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- Transmission Devices (AREA)
Description
第１図は本考案実施例に係るボールねじを示す
縦断面図である。第２図ａ，ｂおよび第３図ａ，
ｂは本考案のボールねじのねじ軸に形成した低剛
性部のさまざまな実施例を示す部分側面図である
。第４図は従来のボールねじを示す部分断面図で
ある。第５図は本考案のボールねじの真直度を示
すグラフである。第６図、第７図は比較例のボー
ルねじの真直度を示すグラフである。
１…ねじ軸、２…ナツト、３…ベアリング、４
…支持側ブラケツト、５…ベース、６…ベアリン
グ、７…カツプリング、８…モータ、９…モータ
側ブラケツト、１０…ナツトブラケツト、Ｔ…テ
ーブル。
FIG. 1 is a longitudinal sectional view showing a ball screw according to an embodiment of the present invention. Figure 2 a, b and Figure 3 a,
FIG. 1b is a partial side view showing various embodiments of the low-rigidity portion formed on the screw shaft of the ball screw of the present invention. FIG. 4 is a partial sectional view showing a conventional ball screw. FIG. 5 is a graph showing the straightness of the ball screw of the present invention. 6 and 7 are graphs showing the straightness of ball screws of comparative examples. 1...Screw shaft, 2...Nut, 3...Bearing, 4
...support side bracket, 5...base, 6...bearing, 7...coupling, 8...motor, 9...motor side bracket, 10...nut bracket, T...table.
Claims (1)
成したことを特徴とするボールねじ。 A ball screw characterized in that a low-rigidity portion is formed at at least one end of a screw shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15303589U JPH0389258U (en) | 1989-12-27 | 1989-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15303589U JPH0389258U (en) | 1989-12-27 | 1989-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0389258U true JPH0389258U (en) | 1991-09-11 |
Family
ID=31699263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15303589U Pending JPH0389258U (en) | 1989-12-27 | 1989-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389258U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007247114A (en) * | 2006-03-17 | 2007-09-27 | Shoei Co Ltd | Helmet |
| JP2008516093A (en) * | 2004-10-04 | 2008-05-15 | シューバース・ゲーエムベーハー | Integrated helmet |
| JP2008542564A (en) * | 2005-06-03 | 2008-11-27 | シイビイエム ディストリビューション | Protective helmet with movable visor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6063645A (en) * | 1983-09-16 | 1985-04-12 | Mitsubishi Electric Corp | Program evaluating device |
| JPS6325351A (en) * | 1987-03-12 | 1988-02-02 | Nippon Denso Co Ltd | Rotation speed control method for engine |
-
1989
- 1989-12-27 JP JP15303589U patent/JPH0389258U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6063645A (en) * | 1983-09-16 | 1985-04-12 | Mitsubishi Electric Corp | Program evaluating device |
| JPS6325351A (en) * | 1987-03-12 | 1988-02-02 | Nippon Denso Co Ltd | Rotation speed control method for engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008516093A (en) * | 2004-10-04 | 2008-05-15 | シューバース・ゲーエムベーハー | Integrated helmet |
| JP2008542564A (en) * | 2005-06-03 | 2008-11-27 | シイビイエム ディストリビューション | Protective helmet with movable visor |
| JP2007247114A (en) * | 2006-03-17 | 2007-09-27 | Shoei Co Ltd | Helmet |