JPH0336438U - - Google Patents
Info
- Publication number
- JPH0336438U JPH0336438U JP12636488U JP12636488U JPH0336438U JP H0336438 U JPH0336438 U JP H0336438U JP 12636488 U JP12636488 U JP 12636488U JP 12636488 U JP12636488 U JP 12636488U JP H0336438 U JPH0336438 U JP H0336438U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- cylinder
- tube
- open end
- conical surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Gripping On Spindles (AREA)
Description
第１図はこの考案の実施例の半部切断正面図、
第２図は工具の締付開始時のこの考案の要部断面
図、第３図は工具締付完了時におけるこの考案の
実施例の要部断面図、第４図は従来品の半部切断
正面図、第５図は工具締付開始時の従来品の要部
断面図、第６図は工具締付完了時における従来品
の要部断面図である。
１……本体、２……チヤツク筒、２ａ……チヤ
ツク筒の外周面（円錐面）、２ｂ……チヤツク筒
の開放端、３……回動筒、３ａ……回動筒の内周
面（内円錐面）、４……保持筒、５……ニードル
ローラ、２８……シール受け、３０……可撓性シ
ール、Ｌ……ニードルローラの軸方向移動寸法。
FIG. 1 is a half-cut front view of an embodiment of this invention.
Figure 2 is a cross-sectional view of the main part of this invention at the start of tightening the tool, Figure 3 is a cross-sectional view of the main part of the embodiment of this invention at the time of completion of tool tightening, and Figure 4 is a half-section of the conventional product. A front view, FIG. 5 is a sectional view of the main part of the conventional product at the time of starting tool tightening, and FIG. 6 is a sectional view of the main part of the conventional product at the time of completion of tool tightening. DESCRIPTION OF SYMBOLS 1...Main body, 2...Chuck tube, 2a...Outer circumferential surface (conical surface) of chuck tube, 2b...Open end of chuck tube, 3...Rotating tube, 3a...Inner circumferential surface of rotating tube (Inner conical surface), 4... Holding cylinder, 5... Needle roller, 28... Seal receiver, 30... Flexible seal, L... Axial movement dimension of needle roller.
Claims (1)
チヤツク筒を有する本体と、チヤツク筒の外周面
と平行な内円錐面が形成されチヤツク筒に嵌挿さ
れる回動筒と、チヤツク筒の軸線に対して傾斜す
る軸線をもつて保持筒に保持され、チヤツク筒と
回動筒の各円錐面間に自公転可能に挿通される多
数のニードルローラと、を具備するチヤツクにお
いて、チヤツク筒締付開始時におけるチヤツク筒
開放端近傍のニードルローラは、締付完了時にお
ける最大限の軸方向移動寸法だけチヤツク筒の開
放端から露出していることを特徴とするチヤツク
。 (2) 前記露出しているニードルローラは、回動
筒に形成されたシール受けとチヤツク筒開放端と
の間に介装された可撓性シールにより密閉されて
いる請求項１記載のチヤツク。[Claims for Utility Model Registration] (1) A main body having a chuck tube whose outer peripheral surface is formed with a tapered conical surface, and an inner conical surface parallel to the outer peripheral surface of the chuck tube and which is fitted into the chuck tube. a rotating cylinder, which is held in a holding cylinder with an axis that is inclined with respect to the axis of the chuck cylinder, and a number of needle rollers that are inserted between each conical surface of the chuck cylinder and the rotating cylinder so as to be able to rotate around themselves; The chuck is characterized in that the needle roller near the open end of the chuck tube at the time of starting tightening of the chuck tube is exposed from the open end of the chuck tube by the maximum axial movement dimension at the time of completion of tightening. Check. (2) The chuck according to claim 1, wherein the exposed needle roller is sealed by a flexible seal interposed between a seal receiver formed on the rotary cylinder and the open end of the chuck cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12636488U JPH065043Y2 (en) | 1988-09-29 | 1988-09-29 | Chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12636488U JPH065043Y2 (en) | 1988-09-29 | 1988-09-29 | Chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0336438U true JPH0336438U (en) | 1991-04-09 |
| JPH065043Y2 JPH065043Y2 (en) | 1994-02-09 |
Family
ID=31674177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12636488U Expired - Lifetime JPH065043Y2 (en) | 1988-09-29 | 1988-09-29 | Chuck |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065043Y2 (en) |
-
1988
- 1988-09-29 JP JP12636488U patent/JPH065043Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065043Y2 (en) | 1994-02-09 |
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