JPS58170394U - hydraulic jack - Google Patents
hydraulic jackInfo
- Publication number
- JPS58170394U JPS58170394U JP6842082U JP6842082U JPS58170394U JP S58170394 U JPS58170394 U JP S58170394U JP 6842082 U JP6842082 U JP 6842082U JP 6842082 U JP6842082 U JP 6842082U JP S58170394 U JPS58170394 U JP S58170394U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic jack
- cylinder
- diameter side
- oil groove
- stepped portion
- 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
- Actuator (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来構造の油圧ジヤツキの縦断面図、第２歯は
本考案の一実施例である油圧ジヤツキの縦断面図である
。
１ニジリンダ、２：ラム、７：段差部、８：油溝、９：
ドレン孔。FIG. 1 is a longitudinal sectional view of a hydraulic jack with a conventional structure, and the second tooth is a longitudinal sectional view of a hydraulic jack that is an embodiment of the present invention. 1 cylinder, 2: ram, 7: step, 8: oil groove, 9:
Drain hole.
Claims (1)
ツキにおいて；シリンダの上部端面に外径側が高く内径
側が低い段差部を設け、この段差部の内径側の面に環状
の油溝を設けるとともに、前記油溝を前記シリンダの側
壁に設はバドレン孔と連通させたことを特徴とする油圧
ジヤツキ。In a single-acting ram-type hydraulic jack that combines a ram and a cylinder; a stepped portion is provided on the upper end surface of the cylinder, the outer diameter side being higher and the inner diameter side being lower; an annular oil groove is provided on the inner diameter side of this stepped portion; A hydraulic jack, characterized in that the oil groove is provided in a side wall of the cylinder and communicates with a bad drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6842082U JPS58170394U (en) | 1982-05-11 | 1982-05-11 | hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6842082U JPS58170394U (en) | 1982-05-11 | 1982-05-11 | hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58170394U true JPS58170394U (en) | 1983-11-14 |
Family
ID=30078203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6842082U Pending JPS58170394U (en) | 1982-05-11 | 1982-05-11 | hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58170394U (en) |
-
1982
- 1982-05-11 JP JP6842082U patent/JPS58170394U/en active Pending
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