JPS61202548U - - Google Patents
Info
- Publication number
- JPS61202548U JPS61202548U JP8686185U JP8686185U JPS61202548U JP S61202548 U JPS61202548 U JP S61202548U JP 8686185 U JP8686185 U JP 8686185U JP 8686185 U JP8686185 U JP 8686185U JP S61202548 U JPS61202548 U JP S61202548U
- Authority
- JP
- Japan
- Prior art keywords
- drilling machine
- rotating shaft
- prime mover
- rotated
- rotational force
- 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
- 238000005553 drilling Methods 0.000 claims 2
Landscapes
- Component Parts Of Construction Machinery (AREA)
Description
第1図は本考案の1実施例の斜視説明図、第2
図は要部の側断面図、第3図は他の実施例の側断
面図である。
(図面の主要な部分を表わす符号の説明)、3
……原動機、20……安全接手、21……回転軸
、23……ドリル。
Fig. 1 is a perspective explanatory view of one embodiment of the present invention;
The figure is a side sectional view of the main part, and FIG. 3 is a side sectional view of another embodiment. (Explanation of symbols representing main parts of the drawing), 3
... Prime mover, 20 ... Safety joint, 21 ... Rotating shaft, 23 ... Drill.
Claims (1)
転軸21の下端に螺旋型のドリル23の上端を接
続して設けた穴堀機において、前記回転軸21の
伝動系路中に、所定の大きさ以上の回転力におい
て空転する安全接手20を設けたことを特徴とす
る・穴堀機。 In a drilling machine in which the upper end of a spiral drill 23 is connected to the lower end of a vertical rotating shaft 21 that is rotated by the drive of a prime mover 3, a predetermined size A hole-drilling machine characterized by being provided with a safety joint 20 that idles under a rotational force of more than
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8686185U JPS61202548U (en) | 1985-06-11 | 1985-06-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8686185U JPS61202548U (en) | 1985-06-11 | 1985-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61202548U true JPS61202548U (en) | 1986-12-19 |
Family
ID=30638548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8686185U Pending JPS61202548U (en) | 1985-06-11 | 1985-06-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61202548U (en) |
-
1985
- 1985-06-11 JP JP8686185U patent/JPS61202548U/ja active Pending
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