JPH01106106U - - Google Patents
Info
- Publication number
- JPH01106106U JPH01106106U JP20128087U JP20128087U JPH01106106U JP H01106106 U JPH01106106 U JP H01106106U JP 20128087 U JP20128087 U JP 20128087U JP 20128087 U JP20128087 U JP 20128087U JP H01106106 U JPH01106106 U JP H01106106U
- Authority
- JP
- Japan
- Prior art keywords
- chuck
- drill
- nut
- base
- pawls
- 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
- 210000000078 claw Anatomy 0.000 description 2
Landscapes
- Gripping On Spindles (AREA)
Description
第１図は本考案にかかるドリルチヤツク機構の
好適な実施例を示す要部縦断面図、第２図は従来
のドリルチヤツク機構の１例を示す一部破断図で
ある。
３０……ドリル軸、３２……チヤツクベース、
３２ａ……チヤツク爪ガイド溝、３４……チヤツ
ク爪、３４ａ……チヤツクねじ、３６……チヤツ
クナツト、３８……スライドスリーブ、３８ｂ…
…係止部。
FIG. 1 is a vertical cross-sectional view of a main part showing a preferred embodiment of a drill chuck mechanism according to the present invention, and FIG. 2 is a partially cutaway view showing an example of a conventional drill chuck mechanism. 30...Drill shaft, 32...Chuck base,
32a...Chuck claw guide groove, 34...Chuck claw, 34a...Chuck screw, 36...Chuck nut, 38...Slide sleeve, 38b...
...Latching part.
Claims (1)
が設けられたチヤツクベースと、 前記チヤツクベースのチヤツク爪ガイド溝にチ
ヤツクベース軸と所定の傾きで摺動自在に導かれ
るよう装着され外周にチヤツクねじが設けられた
複数のチヤツク爪と、 前記チヤツクベースの周囲に該チヤツクベース
と回動自在に装着され前記チヤツク爪のチヤツク
ねじと噛み合いその回転によつてチヤツク爪をチ
ヤツクベース軸に対して所定の傾きで往復駆動す
るナツトねじ部を有するチヤツクナツトと、 前記チヤツクナツトに対して回転不能かつ軸方
向摺動自在に設けられ、尾端にドリル本体と係止
する係止部が設けられたスライドスリーブと、を
含み、 前記スライドスリーブをドリル本体側に移動さ
せてドリル本体と係止することによつてチヤツク
ナツトをドリル本体と一体に固定し、この状態で
ドリル軸を所望の方向に回転することによつてチ
ヤツク爪を駆動して工具の着脱を行うことを特徴
とするドリルチヤツク機構。[Scope of Claim for Utility Model Registration] A chuck base fixed to a drill shaft and provided with a plurality of chuck pawl guide grooves, and a chuck base installed in the chuck pawl guide groove so as to be slidably guided at a predetermined inclination relative to the chuck base shaft. a plurality of chuck pawls each having a chuck screw provided on its outer periphery; and a plurality of chuck pawls mounted around the chuck base so as to be rotatable with the chuck base, and meshing with the chuck screws of the chuck pawls and thereby positioning the chuck pawls in a predetermined position relative to the chuck base axis. a chuck nut having a nut screw portion that reciprocates at an inclination of , and a slide sleeve that is provided non-rotatably but slidably in the axial direction with respect to the chuck nut, and has a locking portion at its tail end that locks with the drill body. , the chuck nut is fixed integrally with the drill body by moving the slide sleeve toward the drill body and engaging with the drill body, and in this state, the drill shaft is rotated in a desired direction. A drill chuck mechanism characterized in that a tool is attached and detached by driving a chuck pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20128087U JPH01106106U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20128087U JPH01106106U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106106U true JPH01106106U (en) | 1989-07-17 |
Family
ID=31491650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20128087U Pending JPH01106106U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106106U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498993A (en) * | 1972-05-24 | 1974-01-26 | ||
| JPS5689405A (en) * | 1979-11-07 | 1981-07-20 | Welch Thomas R | Chuck device |
-
1987
- 1987-12-29 JP JP20128087U patent/JPH01106106U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498993A (en) * | 1972-05-24 | 1974-01-26 | ||
| JPS5689405A (en) * | 1979-11-07 | 1981-07-20 | Welch Thomas R | Chuck device |
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