JPH0452647U - - Google Patents
Info
- Publication number
- JPH0452647U JPH0452647U JP9491390U JP9491390U JPH0452647U JP H0452647 U JPH0452647 U JP H0452647U JP 9491390 U JP9491390 U JP 9491390U JP 9491390 U JP9491390 U JP 9491390U JP H0452647 U JPH0452647 U JP H0452647U
- Authority
- JP
- Japan
- Prior art keywords
- ball screw
- cross
- sectional area
- threaded portion
- screw device
- 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
Landscapes
- Transmission Devices (AREA)
Description
第１図は本考案の実施例の一部を断面で示す側
面図、第２図は第１図の部拡大図、第３図、第
４図はそれぞれ本考案の他の例の示す一部を断面
で示す要部の側面図、第５図は従来のボールねじ
軸の側面図、第６図は第５図に示すものの断面積
の変化を模式的に表すグラフである。
１……ボールねじ軸、３，４……軸受、９……
ロツクナツト、１１……不完全ねじ部に続く大径
部、１２……切り欠、１３……完全ねじ部。
Fig. 1 is a side view showing a part of an embodiment of the present invention in cross section, Fig. 2 is an enlarged view of the part shown in Fig. 1, and Figs. FIG. 5 is a side view of a conventional ball screw shaft, and FIG. 6 is a graph schematically showing changes in the cross-sectional area of the shaft shown in FIG. 1... Ball screw shaft, 3, 4... Bearing, 9...
Lock nut, 11...Large diameter portion following the incompletely threaded portion, 12...Notch, 13...Completely threaded portion.
Claims (1)
に予張力を与えたボールねじ装置において、前記
ボールねじの不完全ねじ部に続く大径部に、断面
積が完全ねじ部の断面積にほぼ等しくなる切り欠
を設けたことを特徴とするボールねじ装置。 In a ball screw device in which a ball screw is rotatably supported at both ends and is pretensioned in the axial direction, a large diameter portion following the incompletely threaded portion of the ball screw has a cross-sectional area approximately equal to the cross-sectional area of the fully threaded portion. A ball screw device characterized by having a notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9491390U JPH0452647U (en) | 1990-09-10 | 1990-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9491390U JPH0452647U (en) | 1990-09-10 | 1990-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452647U true JPH0452647U (en) | 1992-05-06 |
Family
ID=31833217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9491390U Pending JPH0452647U (en) | 1990-09-10 | 1990-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452647U (en) |
-
1990
- 1990-09-10 JP JP9491390U patent/JPH0452647U/ja active Pending