JPS63110306U - - Google Patents
Info
- Publication number
- JPS63110306U JPS63110306U JP45787U JP45787U JPS63110306U JP S63110306 U JPS63110306 U JP S63110306U JP 45787 U JP45787 U JP 45787U JP 45787 U JP45787 U JP 45787U JP S63110306 U JPS63110306 U JP S63110306U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- tube
- circumferential surface
- cylinder
- outer circumferential
- 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
Links
- 238000005096 rolling process Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Gripping On Spindles (AREA)
Description
第１図は本考案の一実施例を示す一部縦断正面
図、第２図は第１図における―線断面図、第
３図は同他の実施例の要部を示す一部縦断正面図
、第４図は第３図における―線断面図、第５
図〜第７図は同他の実施例における縦断正面図、
第８図〜第１２図は同他の実施例における要部の
一部縦断側面図である。
１……チヤツク本体、２，２０，３０，４０…
…チヤツク筒、２ａ……その先端面、２ｃ……そ
の外周面、３……締付用回転筒、４……ニードル
ローラ、５……凹部。
Fig. 1 is a partially longitudinal front view showing one embodiment of the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Fig. 3 is a partially longitudinal front view showing main parts of another embodiment of the present invention. , FIG. 4 is a cross-sectional view taken along the line - in FIG.
7 to 7 are longitudinal sectional front views of other embodiments,
FIGS. 8 to 12 are partial longitudinal sectional side views of main parts in other embodiments. 1... Chuck body, 2, 20, 30, 40...
...Chuck tube, 2a...its tip surface, 2c...its outer peripheral surface, 3...rotary tightening tube, 4...needle roller, 5...recessed portion.
Claims (1)
状となしたチヤツク筒が突設され、且つこのチヤ
ツク筒に、先細テーパ状の内周面を有する締付用
回転筒が外嵌されると共に、この締付用回転筒と
チヤツク筒との間に、チヤツク筒の外周面に対し
螺旋状に公転する多数のニードルローラが介装さ
れたチヤツクにおいて、上記チヤツク筒の外周面
に、その先端面から略軸線方向に向き、且つニー
ドルローラの転動に支障をきたさない長さの凹部
が周方向に複数列をもつて配設されてなるチヤツ
ク。 A chuck tube having a tapered outer circumferential surface is protruded from the tip side of the chuck body, and a rotating tightening tube having a tapered inner circumferential surface is fitted onto the chuck tube, and In the chuck, in which a large number of needle rollers are interposed between the tightening rotary cylinder and the chuck cylinder, and which revolve in a spiral manner with respect to the outer circumferential surface of the chuck cylinder. A chuck having a plurality of rows of recesses arranged in the circumferential direction, each facing approximately in the axial direction and having a length that does not impede the rolling of the needle roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000457U JPH039927Y2 (en) | 1987-01-06 | 1987-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000457U JPH039927Y2 (en) | 1987-01-06 | 1987-01-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63110306U true JPS63110306U (en) | 1988-07-15 |
| JPH039927Y2 JPH039927Y2 (en) | 1991-03-12 |
Family
ID=30777448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987000457U Expired JPH039927Y2 (en) | 1987-01-06 | 1987-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH039927Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117607U (en) * | 1984-12-28 | 1986-07-24 |
-
1987
- 1987-01-06 JP JP1987000457U patent/JPH039927Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117607U (en) * | 1984-12-28 | 1986-07-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039927Y2 (en) | 1991-03-12 |