JPS6426178U - - Google Patents
Info
- Publication number
- JPS6426178U JPS6426178U JP12157587U JP12157587U JPS6426178U JP S6426178 U JPS6426178 U JP S6426178U JP 12157587 U JP12157587 U JP 12157587U JP 12157587 U JP12157587 U JP 12157587U JP S6426178 U JPS6426178 U JP S6426178U
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- retainer
- tool
- spring
- holding device
- 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
- Percussive Tools And Related Accessories (AREA)
Description
第1図は本考案からなる電気ハンマドリルの工
具保持装置の一実施例を示す要部の部分縦断側面
図、第2図は、第1図の―線断面図である。
第3図は従来技術の部分縦断側面図である。
図において、7は工具、9はリテーナ、10は
フロントカバ、11はリテーナロツド、12はニ
ードルローラ、15はスプリング、16はストツ
パリング、17はストツパである。
FIG. 1 is a partial longitudinal sectional side view of essential parts showing an embodiment of the tool holding device for an electric hammer drill according to the present invention, and FIG. 2 is a sectional view taken along the line -- in FIG. 1.
FIG. 3 is a partially vertical side view of the prior art. In the figure, 7 is a tool, 9 is a retainer, 10 is a front cover, 11 is a retainer rod, 12 is a needle roller, 15 is a spring, 16 is a stop ring, and 17 is a stopper.
Claims (1)
持を行うリテーナと、前記フロントカバとリテー
ナとを連通して連結するリテーナロツドと、該リ
テーナロツドの外周に、スプリングとストツパ及
びストツパリングを順次嵌挿して構成する工具保
持装置にあつて、前記フロントカバと前記ストツ
パとの間にダンパを介してスプリングを配設し、
前記ストツパと前記リテーナロツドとをニードル
ローラにより固着すると共に、該ニードルローラ
の両端を覆うストツパリングを前記ストツパの外
周に装環して成る工具保持装置において、前記ス
トツパリングと前記スプリングとを直接係合させ
て、前記ストツパリングを前記ストツパに常時押
圧係止するよう構成して成る工具保持装置。 A front cover that holds a tool, a retainer that attaches and detaches the tool, a retainer rod that communicates and connects the front cover and the retainer, and a spring, a stopper, and a stopper ring that are sequentially inserted into the outer periphery of the retainer rod. In the tool holding device, a spring is disposed between the front cover and the stopper via a damper,
In the tool holding device, the stopper and the retainer rod are fixed by a needle roller, and a stopper ring that covers both ends of the needle roller is attached to the outer periphery of the stopper, in which the stopper ring and the spring are directly engaged. . A tool holding device configured to permanently press and lock the stopper ring to the stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12157587U JPS6426178U (en) | 1987-08-08 | 1987-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12157587U JPS6426178U (en) | 1987-08-08 | 1987-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6426178U true JPS6426178U (en) | 1989-02-14 |
Family
ID=31368703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12157587U Pending JPS6426178U (en) | 1987-08-08 | 1987-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6426178U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6225179B2 (en) * | 1981-10-02 | 1987-06-02 | Sumitomo Naugatuck |
-
1987
- 1987-08-08 JP JP12157587U patent/JPS6426178U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6225179B2 (en) * | 1981-10-02 | 1987-06-02 | Sumitomo Naugatuck |