JPH01171903U - - Google Patents
Info
- Publication number
- JPH01171903U JPH01171903U JP6959188U JP6959188U JPH01171903U JP H01171903 U JPH01171903 U JP H01171903U JP 6959188 U JP6959188 U JP 6959188U JP 6959188 U JP6959188 U JP 6959188U JP H01171903 U JPH01171903 U JP H01171903U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- outer cylinder
- internal
- piston rod
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ａ，ｂ，ｃはこの考案による２段推力シ
リンダの一実施例の作動を説明するための断面図
、第２図ａ，ｂ，ｃは従来のものの一例を示す作
動説明図である。
１…外部シリンダ、２，４，３２，４２…ピス
トン、３…内部シリンダ、５，３３，４３…ピス
トンロツド、６，７，９，３４，３５，４４，４
５…配管ポート、８…ノズル、１０…連通路、１
１…空気孔、１２…環状溝、１３…ロツクピン、
１４…リターンスプリング、１５，１６，１７…
内周摺動シール、１８，１９，２０…軸受、２１
，２２…ピストンシール、２３，２４…ウエアリ
ング、２５，２６…シール、３１，４１…シリン
ダ。
Figures 1a, b, and c are cross-sectional views for explaining the operation of an embodiment of the two-stage thrust cylinder according to this invention, and Figures 2a, b, and c are operation explanatory diagrams showing an example of the conventional one. . 1... External cylinder, 2, 4, 32, 42... Piston, 3... Internal cylinder, 5, 33, 43... Piston rod, 6, 7, 9, 34, 35, 44, 4
5... Piping port, 8... Nozzle, 10... Communication path, 1
1... Air hole, 12... Annular groove, 13... Lock pin,
14...Return spring, 15, 16, 17...
Inner circumference sliding seal, 18, 19, 20... Bearing, 21
, 22... Piston seal, 23, 24... Wear ring, 25, 26... Seal, 31, 41... Cylinder.
Claims (1)
ストン２と結合された内部シリンダ３を設け、こ
の内部シリンダ３のピストンロツド５を、前記外
部シリンダ１のピストン２および前記外部シリン
ダ１を貫通して外方へ突出させ、前記内部シリン
ダ３のピストン４が前進端位置にあるとき、前記
ピストンロツド５を、前記外部シリンダ１のピス
トン２および前記内部シリンダ３に対してロツク
する機構１２，１３を設けたことを特徴とする２
段推力シリンダ。 An inner cylinder 3 is provided in the outer cylinder 1 and is connected to a piston 2 of the outer cylinder 1, and a piston rod 5 of the inner cylinder 3 is inserted outwardly through the piston 2 of the outer cylinder 1 and the outer cylinder 1. mechanism 12, 13 for locking the piston rod 5 against the piston 2 of the external cylinder 1 and the internal cylinder 3 when the piston 4 of the internal cylinder 3 is at the forward end position. Features 2
Stage thrust cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6959188U JPH01171903U (en) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6959188U JPH01171903U (en) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171903U true JPH01171903U (en) | 1989-12-06 |
Family
ID=31294868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6959188U Pending JPH01171903U (en) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171903U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002520546A (en) * | 1998-07-08 | 2002-07-09 | アロ | Actuator that realizes a preliminary approach stroke and a working stroke for operating the tool |
| JP2013043278A (en) * | 2011-08-26 | 2013-03-04 | Kosmek Ltd | Cylinder device with boost mechanism |
| WO2014054503A1 (en) * | 2012-10-01 | 2014-04-10 | 株式会社コスメック | Cylinder device with force multiplication mechanism |
-
1988
- 1988-05-26 JP JP6959188U patent/JPH01171903U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002520546A (en) * | 1998-07-08 | 2002-07-09 | アロ | Actuator that realizes a preliminary approach stroke and a working stroke for operating the tool |
| JP2013043278A (en) * | 2011-08-26 | 2013-03-04 | Kosmek Ltd | Cylinder device with boost mechanism |
| WO2013031061A1 (en) * | 2011-08-26 | 2013-03-07 | 株式会社コスメック | Cylinder device with force multiplication mechanism |
| EP2749775A4 (en) * | 2011-08-26 | 2015-10-07 | Kosmek Ltd | Cylinder device with force multiplication mechanism |
| WO2014054503A1 (en) * | 2012-10-01 | 2014-04-10 | 株式会社コスメック | Cylinder device with force multiplication mechanism |
| JP2014070722A (en) * | 2012-10-01 | 2014-04-21 | Kosmek Ltd | Cylinder device with lever mechanism |
| US10024340B2 (en) | 2012-10-01 | 2018-07-17 | Kosmek Ltd. | Cylinder device with force multiplication mechanism |