JPH042508U - - Google Patents
Info
- Publication number
- JPH042508U JPH042508U JP4142690U JP4142690U JPH042508U JP H042508 U JPH042508 U JP H042508U JP 4142690 U JP4142690 U JP 4142690U JP 4142690 U JP4142690 U JP 4142690U JP H042508 U JPH042508 U JP H042508U
- Authority
- JP
- Japan
- Prior art keywords
- claw
- child
- chuck
- pawl
- master
- 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
- 210000000078 claw Anatomy 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Gripping On Spindles (AREA)
Description
第１図はこの考案チヤツクの第１の実施例を示
す縦断側面図、第２図は同上の正面図、第３図は
同じく第２の実施例の縦断側面図、第４図は同上
の正面図である。
１……チヤツク本体、４……チヤツク爪、２０
……親爪、２１……子爪、２２……プツシユピン
、２３……バネ、２４，２５……嵌合部、２６…
…受面、２７……背面、２９，３０……係止部、
３２，４８……ワーク、３５，５０……操作棒。
Fig. 1 is a vertical side view showing the first embodiment of the invented chuck, Fig. 2 is a front view of the same as above, Fig. 3 is a longitudinal side view of the second embodiment, and Fig. 4 is a front view of the same as above. It is a diagram. 1...chuck body, 4...chuck claw, 20
...Main claw, 21...Small claw, 22...Push pin, 23...Spring, 24, 25...Fitting part, 26...
...receiving surface, 27...back surface, 29, 30...locking part,
32, 48...work, 35,50...operation rod.
Claims (1)
り開閉される複数のチヤツク爪を設けた旋盤用チ
ヤツクにおいて、上記各チヤツク爪をチヤツク本
体に開閉自在に取付けた親爪と、この親爪のワー
ク把握側に着脱自在に取付けた別体の子爪とで構
成し、上記各親爪にはチヤツクの半径方向に進退
するプツシユピンをそれぞれ装着し、このプツシ
ユピンの前面には上記子爪の後側の嵌合部に後方
から着脱自在に嵌合して子爪の半径方向の移動を
阻止する嵌合部を設け、上記各親爪のワーク把握
側には、各子爪の背面を受ける受面を設け、上記
親爪と子爪の一部には、上記親爪の受面に子爪の
背面が密着している条件で互に係合して、親爪か
らの子爪の前方離脱を阻止する係止部をそれぞれ
設けた旋盤用チヤツク。 (2) 上記各親爪の受面と各子爪の背面を、前端
がワーク把握側寄りとなる斜面とし、各プツシユ
ピンには、プツシユピンと子爪の嵌合部が嵌合し
ている条件において、子爪の背面が親爪の受面に
圧着される方向にプツシユピンを押すバネを装着
した請求項(1)記載の旋盤用チヤツク。[Scope of Claim for Utility Model Registration] (1) In a lathe chuck having a plurality of chuck pawls on the front surface of the chuck body that are opened and closed by an appropriate driving means, each of the chuck pawls is attached to the chuck body so as to be openable and closable. It consists of a pawl and a separate child pawl that is detachably attached to the work gripping side of the master pawl, and each of the master pawls is equipped with a push pin that moves forward and backward in the radial direction of the chuck. is provided with a fitting part on the rear side of the child claw that is removably fitted from the rear to prevent movement of the child claw in the radial direction. A receiving surface for receiving the back surface of the claw is provided, and a portion of the parent claw and the child claw are engaged with each other under the condition that the back surface of the child claw is in close contact with the receiving surface of the parent claw, and the parent claw is removed from the parent claw. A lathe chuck that is equipped with a locking part that prevents the child jaws from moving forward. (2) The receiving surface of each master claw and the back surface of each child claw are sloped surfaces with the front end facing toward the work gripping side, and each push pin has a condition in which the fitting portion of the push pin and child claw are fitted. 2. The lathe chuck according to claim 1, further comprising a spring that presses the push pin in a direction in which the back surface of the child pawl is pressed against the receiving surface of the master pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041426U JP2520870Y2 (en) | 1990-04-17 | 1990-04-17 | Chuck for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041426U JP2520870Y2 (en) | 1990-04-17 | 1990-04-17 | Chuck for lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH042508U true JPH042508U (en) | 1992-01-10 |
| JP2520870Y2 JP2520870Y2 (en) | 1996-12-18 |
Family
ID=31552085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990041426U Expired - Lifetime JP2520870Y2 (en) | 1990-04-17 | 1990-04-17 | Chuck for lathe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2520870Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5882610A (en) * | 1981-11-09 | 1983-05-18 | Aisin Seiki Co Ltd | Diaphragm chuck |
| JPS6190811A (en) * | 1984-10-11 | 1986-05-09 | Mitsubishi Heavy Ind Ltd | Chuck device for lathe |
| JPS61284306A (en) * | 1985-06-06 | 1986-12-15 | バツク チヤツク カンパニ− | Quick exchange top-jaw device |
| JPS6231210U (en) * | 1985-08-10 | 1987-02-25 |
-
1990
- 1990-04-17 JP JP1990041426U patent/JP2520870Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5882610A (en) * | 1981-11-09 | 1983-05-18 | Aisin Seiki Co Ltd | Diaphragm chuck |
| JPS6190811A (en) * | 1984-10-11 | 1986-05-09 | Mitsubishi Heavy Ind Ltd | Chuck device for lathe |
| JPS61284306A (en) * | 1985-06-06 | 1986-12-15 | バツク チヤツク カンパニ− | Quick exchange top-jaw device |
| JPS6231210U (en) * | 1985-08-10 | 1987-02-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2520870Y2 (en) | 1996-12-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |