JPH01141961U - - Google Patents
Info
- Publication number
- JPH01141961U JPH01141961U JP3797488U JP3797488U JPH01141961U JP H01141961 U JPH01141961 U JP H01141961U JP 3797488 U JP3797488 U JP 3797488U JP 3797488 U JP3797488 U JP 3797488U JP H01141961 U JPH01141961 U JP H01141961U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- piston rod
- coming
- tip
- 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
- 238000001746 injection moulding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案のピストン構造を有するオープ
ンステーの一部断面図の全体図、第２図は同じく
別実施例の図である。
尚、図面中、１はオープンステー、２はシリン
ダ、３はピストンロツド、４はピストン、６は外
周流路、７は溝、８はローレツトである。
FIG. 1 is an overall partially sectional view of an open stay having a piston structure according to the present invention, and FIG. 2 is a diagram of another embodiment. In the drawings, 1 is an open stay, 2 is a cylinder, 3 is a piston rod, 4 is a piston, 6 is an outer peripheral flow path, 7 is a groove, and 8 is a knurling.
Claims (1)
ストンロツド先端にシリンダ内周面に摺接するピ
ストンを設けたシリンダユニツトにおいて、前記
ピストンロツド先端部は抜け止め形状とし、この
抜け止め形状とした部位の外側に樹脂材料を射出
成形することでピストンを一体成形したことを特
徴とするシリンダユニツトのピストン構造。 In a cylinder unit in which a piston rod is inserted into a cylinder and a piston is provided at the tip of the piston rod to make sliding contact with the inner circumferential surface of the cylinder, the tip of the piston rod is shaped to prevent it from coming off, and a resin material is applied to the outside of the portion that has the shape to prevent it from coming off. The piston structure of the cylinder unit is characterized by the piston being integrally molded by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3797488U JPH01141961U (en) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3797488U JPH01141961U (en) | 1988-03-23 | 1988-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01141961U true JPH01141961U (en) | 1989-09-28 |
Family
ID=31264545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3797488U Pending JPH01141961U (en) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01141961U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620862A (en) * | 1979-07-10 | 1981-02-26 | Freudenberg Carl | Piston |
| JPS57204371A (en) * | 1981-06-11 | 1982-12-15 | Sanyo Electric Co Ltd | Piston device |
-
1988
- 1988-03-23 JP JP3797488U patent/JPH01141961U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620862A (en) * | 1979-07-10 | 1981-02-26 | Freudenberg Carl | Piston |
| JPS57204371A (en) * | 1981-06-11 | 1982-12-15 | Sanyo Electric Co Ltd | Piston device |