JPH0270912U - - Google Patents
Info
- Publication number
- JPH0270912U JPH0270912U JP14811188U JP14811188U JPH0270912U JP H0270912 U JPH0270912 U JP H0270912U JP 14811188 U JP14811188 U JP 14811188U JP 14811188 U JP14811188 U JP 14811188U JP H0270912 U JPH0270912 U JP H0270912U
- Authority
- JP
- Japan
- Prior art keywords
- threaded portion
- tapered portion
- machine tool
- chuck device
- rear end
- 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
- Gripping On Spindles (AREA)
Description
第1図は本考案の一実施例装置を示す部分破断
斜視図、第2図は第1図装置のキヤツプナツトの
左側面図、第3図は第1図装置のコレツトの正面
図、第4図は第1図のキヤツプナツトからコレツ
トを脱却する際の状態を示す断面図、第5図は本
考案の他の実施例としてのコレツトの左側面図、
第6図は従来のコレツトチヤツク装置の上部を断
面した正面図である。
2……コレツト、3……環状突部、4……キヤ
ツプナツト、5……内ねじ部、6……シヤンク、
7……環状溝、8……内テーパ部、9……外テー
パ部、10……スリツト、11……外ねじ部、L
1,L2……直径線(L1……長軸、L2……短
軸)。
1 is a partially cutaway perspective view showing an embodiment of the device of the present invention, FIG. 2 is a left side view of the cap nut of the device shown in FIG. 1, FIG. 3 is a front view of the collet of the device shown in FIG. 1, and FIG. 4 is a sectional view showing the state when the collet is removed from the cap nut shown in Fig. 1, and Fig. 5 is a left side view of the collet as another embodiment of the present invention.
FIG. 6 is a front view of a conventional collect chuck device with the upper section cut away. 2... Collet, 3... Annular protrusion, 4... Cap nut, 5... Internal threaded part, 6... Shank,
7...Annular groove, 8...Inner tapered part, 9...Outer tapered part, 10...Slit, 11...Outer threaded part, L
1, L2...Diameter line (L1...Long axis, L2...Short axis).
Claims (1)
孔の内面には後端側に内ねじ部をそして該内ねじ
部と前端との間に環状突部が形成されているキヤ
ツプナツトと、 上記環状突部が係合する環状溝が前端部外面に
形成され、後端に向け先細りの外テーパ部を有し
、該テーパ部に軸方向に延びるスリツトが形成さ
れたコレツトと、 上記内ねじ部に螺合される外ねじ部を前端外面
に、上記外テーパ部に接面される内テーパ部を前
端内面に有するシヤンクとを備え、 上記環状突部と環状溝との半径方向での係合長
さが、直交する二つの直径線上で異つて設定され
ている、 こととする工作機械用コレツトチヤツク装置。 (2) 内ねじ部は後端に向け漸次大径となるよう
に面取りされていることとする請求項(1)に記載
の工作機械用コレツトチヤツク装置。 (3) 内ねじ部の端部は凸状弯曲した形状をもつ
て面取りされていることとする請求項(2)に記載
の工作機械用コレツトチヤツク装置。[Claims for Utility Model Registration] (1) A through hole is formed at the front and rear in the axial direction, and the inner surface of the through hole has an internal thread on the rear end side and an annular projection between the internal thread and the front end. An annular groove with which the annular protrusion engages is formed on the outer surface of the front end, an external tapered portion tapering toward the rear end, and a slit extending in the axial direction in the tapered portion. and a shank having an outer threaded portion screwed into the inner threaded portion on the outer surface of the front end, and an inner tapered portion on the inner surface of the front end that is in contact with the outer tapered portion, the annular protrusion and the shank. A collet chuck device for a machine tool, wherein the radial engagement length with an annular groove is set differently on two orthogonal diameter lines. (2) The collect chuck device for a machine tool according to claim 1, wherein the internal threaded portion is chamfered so as to gradually increase in diameter toward the rear end. (3) The collect chuck device for a machine tool according to claim (2), wherein the end of the internal threaded portion is chamfered to have a convex curved shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14811188U JPH0270912U (en) | 1988-11-15 | 1988-11-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14811188U JPH0270912U (en) | 1988-11-15 | 1988-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0270912U true JPH0270912U (en) | 1990-05-30 |
Family
ID=31419131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14811188U Pending JPH0270912U (en) | 1988-11-15 | 1988-11-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0270912U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100429332B1 (en) * | 2001-03-16 | 2004-04-29 | 한국항공우주산업 주식회사 | Drill holder assembly of auto riveter |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6360503B2 (en) * | 1980-03-03 | 1988-11-24 |
-
1988
- 1988-11-15 JP JP14811188U patent/JPH0270912U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6360503B2 (en) * | 1980-03-03 | 1988-11-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100429332B1 (en) * | 2001-03-16 | 2004-04-29 | 한국항공우주산업 주식회사 | Drill holder assembly of auto riveter |
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