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JPS584804U - cylinder device - Google Patents

cylinder device

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Publication number
JPS584804U
JPS584804U JP9679081U JP9679081U JPS584804U JP S584804 U JPS584804 U JP S584804U JP 9679081 U JP9679081 U JP 9679081U JP 9679081 U JP9679081 U JP 9679081U JP S584804 U JPS584804 U JP S584804U
Authority
JP
Japan
Prior art keywords
cylinder
cushion
piston
cushion chamber
circumferential surface
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
Application number
JP9679081U
Other languages
Japanese (ja)
Other versions
JPS6230563Y2 (en
Inventor
久儀 橋本
正巳 落合
Original Assignee
日立建機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP9679081U priority Critical patent/JPS584804U/en
Priority to EP82105779A priority patent/EP0068495B1/en
Priority to DE8282105779T priority patent/DE3269801D1/en
Publication of JPS584804U publication Critical patent/JPS584804U/en
Application granted granted Critical
Publication of JPS6230563Y2 publication Critical patent/JPS6230563Y2/ja
Granted legal-status Critical Current

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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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図は従来技術によるシリンダのクッシ
ョン装置を示し、第１図はその全体構成を示す縦断面図
、第２図は半断面とした第１図の部分拡大図、第３図乃
至第６図は本考案に係るシリンダのクッション装置を示
し、第３図および第４図はそれぞれ異なる作動状態を示
すヘッドカバー側の部分縦断面図、第５図はクッション
性能を示す線図、第６図はロッドカバー側の部分縦断面
図を示す。 １・・・・・・シリンダ、２・・・・・・ヘッドカバー
、３・・・・・・ロッドカバー、１０・・・・・！ロッ
ド、１１・・・・・・ピストン、１３．１４・・・・・
・クッション部材、２１．２３・・・・・・クッション
室、２１Ａ、２３Ａ・・・・・・内周面、２２．２４・
・・・・・給排ボート、Ａ、　Ｂ・・・・・・油室、Ｃ
９Ｄ・・・・・・絞り通路。1 and 2 show a cylinder cushioning device according to the prior art, FIG. 1 is a longitudinal cross-sectional view showing its overall configuration, FIG. 2 is a partially enlarged partial cross-sectional view of FIG. 1, and FIG. 3 6 to 6 show the cylinder cushioning device according to the present invention, FIGS. 3 and 4 are partial longitudinal sectional views of the head cover side showing different operating states, and FIG. 5 is a diagram showing the cushioning performance. Figure 6 shows a partial vertical sectional view of the rod cover side. 1...Cylinder, 2...Head cover, 3...Rod cover, 10...! Rod, 11... Piston, 13.14...
・Cushion member, 21.23... Cushion chamber, 21A, 23A... Inner peripheral surface, 22.24.
...Supply/discharge boat, A, B...Oil room, C
9D...Aperture passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ内にはロッドを有するピストンを摺動可能に設
け、該ピストン端面に接してまたはその近傍にはクッシ
ョン部材を設け、前記シリンダを施蓋するシリンダカバ
ーの少くとも一側端には有底状のクッション室を形成し
、該クッション室内にクッション部材が進入するときク
ッション室内周面とクッション部材外周面との間で絞り
通路を形成し、かつ前記クッション室内周面には前記ク
ッション部材の変位に伴ない徐々に開口面積が絞られる
給排ポートを開口させてなるシリンダのクッション装置
。A piston having a rod is slidably provided in the cylinder, a cushion member is provided in contact with or near the end surface of the piston, and at least one end of a cylinder cover that covers the cylinder is provided with a bottomed member. A cushion chamber is formed, and when the cushion member enters the cushion chamber, a throttle passage is formed between the circumferential surface of the cushion chamber and the outer circumferential surface of the cushion member. A cylinder cushioning device with an open supply/discharge port whose opening area is gradually narrowed.
JP9679081U 1981-06-30 1981-06-30 cylinder device Granted JPS584804U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9679081U JPS584804U (en) 1981-06-30 1981-06-30 cylinder device
EP82105779A EP0068495B1 (en) 1981-06-30 1982-06-29 Shock absorbing device for hydraulic cylinder
DE8282105779T DE3269801D1 (en) 1981-06-30 1982-06-29 Shock absorbing device for hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9679081U JPS584804U (en) 1981-06-30 1981-06-30 cylinder device

Publications (2)

Publication Number Publication Date
JPS584804U true JPS584804U (en) 1983-01-12
JPS6230563Y2 JPS6230563Y2 (en) 1987-08-06

Family

ID=29891619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9679081U Granted JPS584804U (en) 1981-06-30 1981-06-30 cylinder device

Country Status (1)

Country Link
JP (1) JPS584804U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01199822A (en) * 1988-01-26 1989-08-11 Musashi Eng Co Ltd Tape cutting method in bundle of paper binding apparatus
JPH01199820A (en) * 1988-01-26 1989-08-11 Musashi Eng Co Ltd Bundle of paper binding apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1153145A (en) * 1957-04-05 1958-03-03 Ile D Etudes Pour Materiel De Handling device
JPS4419055Y1 (en) * 1967-01-26 1969-08-16
JPS4813690U (en) * 1971-07-03 1973-02-15
US3802319A (en) * 1971-12-27 1974-04-09 Caterpillar Tractor Co Cushioning device for hydraulic cylinders
JPS5128765U (en) * 1974-08-26 1976-03-02
JPS51144692U (en) * 1975-05-15 1976-11-20
JPS5430191U (en) * 1977-08-01 1979-02-27

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758771A (en) * 1969-11-11 1971-04-16 Sandoz Sa AZOIC COMPOUNDS, THEIR PREPARATION AND THEIR USE
JPS5430191B2 (en) * 1972-07-20 1979-09-28

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1153145A (en) * 1957-04-05 1958-03-03 Ile D Etudes Pour Materiel De Handling device
JPS4419055Y1 (en) * 1967-01-26 1969-08-16
JPS4813690U (en) * 1971-07-03 1973-02-15
US3802319A (en) * 1971-12-27 1974-04-09 Caterpillar Tractor Co Cushioning device for hydraulic cylinders
JPS5128765U (en) * 1974-08-26 1976-03-02
JPS51144692U (en) * 1975-05-15 1976-11-20
JPS5430191U (en) * 1977-08-01 1979-02-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01199822A (en) * 1988-01-26 1989-08-11 Musashi Eng Co Ltd Tape cutting method in bundle of paper binding apparatus
JPH01199820A (en) * 1988-01-26 1989-08-11 Musashi Eng Co Ltd Bundle of paper binding apparatus

Also Published As

Publication number Publication date
JPS6230563Y2 (en) 1987-08-06

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