JPS6425456U - - Google Patents
Info
- Publication number
- JPS6425456U JPS6425456U JP12067087U JP12067087U JPS6425456U JP S6425456 U JPS6425456 U JP S6425456U JP 12067087 U JP12067087 U JP 12067087U JP 12067087 U JP12067087 U JP 12067087U JP S6425456 U JPS6425456 U JP S6425456U
- Authority
- JP
- Japan
- Prior art keywords
- spacer expander
- guide rod
- abutment
- section
- prevention structure
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims 3
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
図面は本考案の実施例を示し、第１図はガイド
棒を装着したスペーサエキスパンダの合口部付近
を示す斜視図で合口を閉じた状態を示し、第２図
は第１図のガイド棒の端部付近を示す斜視図、第
３図はスペーサエキスパンダとサイドレールを組
み込んだピストンのリング溝部分の断面図、第４
図は第２図と同様のガイド棒の端部付近を示す斜
視図である。
１はスペーサエキスパンダ、２は外側頂部片、
３は内側底部片、４は中間部片、５は合口、６は
貫通孔、７はガイド棒、８はねじり部、９はピス
トン、１０はリング溝。
The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view showing the vicinity of the abutment of a spacer expander equipped with a guide rod, with the abutment closed, and FIG. 2 shows a state where the abutment is closed. Figure 3 is a perspective view showing the vicinity of the end; Figure 3 is a sectional view of the ring groove portion of the piston incorporating the spacer expander and side rail;
This figure is a perspective view showing the vicinity of the end of the guide rod similar to that in FIG. 2. 1 is a spacer expander, 2 is an outer top piece,
3 is an inner bottom piece, 4 is an intermediate piece, 5 is an abutment, 6 is a through hole, 7 is a guide rod, 8 is a twisted portion, 9 is a piston, and 10 is a ring groove.
Claims (1)
間して円周方向に交互に配置し、かつ両者間を中
間部片で接続した円周方向波型スペーサエキスパ
ンダにおいて、断面が偏平をなすガイド棒を前記
中間部片に設けられた貫通孔を挿通して合口に跨
がつて配設し、かつこのガイド棒をねじつて形成
したねじり部でガイド棒をスペーサエキスパンダ
に係止させたことを特徴とするスペーサエキスパ
ンダの合口重なり防止構造。 (2) 前記ガイド棒の断面が楕円であることを特
徴とする実用新案登録請求の範囲第１項記載のス
ペーサエキスパンダの合口重なり防止構造。 (3) 前記ねじり部のねじり角が３０度以上であ
ることを特徴とする実用新案登録請求の範囲第１
項記載のスペーサエキスパンダの合口重なり防止
構造。[Claims for Utility Model Registration] (1) A circumferentially corrugated structure in which outer top pieces and inner bottom pieces are arranged radially apart and alternately in the circumferential direction, and are connected by an intermediate piece. In a spacer expander, a guide rod having a flat cross section is inserted through a through hole provided in the intermediate piece and is disposed astride the abutment, and the guide rod is connected to a twisted portion formed by twisting the guide rod. A spacer expander abutment overlap prevention structure, characterized in that the spacer expander is locked to the spacer expander. (2) The spacer expander abutment overlap prevention structure according to claim 1, wherein the guide rod has an elliptical cross section. (3) Utility model registration claim 1, characterized in that the twist angle of the twist portion is 30 degrees or more.
The spacer expander abutment overlap prevention structure described in section 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12067087U JPH0420994Y2 (en) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12067087U JPH0420994Y2 (en) | 1987-08-06 | 1987-08-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6425456U true JPS6425456U (en) | 1989-02-13 |
| JPH0420994Y2 JPH0420994Y2 (en) | 1992-05-13 |
Family
ID=31366983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12067087U Expired JPH0420994Y2 (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420994Y2 (en) |
-
1987
- 1987-08-06 JP JP12067087U patent/JPH0420994Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0420994Y2 (en) | 1992-05-13 |