JPH0349401U - - Google Patents

Info

Publication number
JPH0349401U
JPH0349401U JP11055989U JP11055989U JPH0349401U JP H0349401 U JPH0349401 U JP H0349401U JP 11055989 U JP11055989 U JP 11055989U JP 11055989 U JP11055989 U JP 11055989U JP H0349401 U JPH0349401 U JP H0349401U
Authority
JP
Japan
Prior art keywords
double
acting cylinder
upper section
piston
projections
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
Application number
JP11055989U
Other languages
English (en)
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 filed Critical
Priority to JP11055989U priority Critical patent/JPH0349401U/ja
Publication of JPH0349401U publication Critical patent/JPH0349401U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Actuator (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す複動シリンダの
組立断面図、第2図は複動シリンダを背凭れの起
倒装置に適用した椅子の外観図を示す。 3……フランジ、4……シート、5……複動シ
リンダ、7……背凭れ、10……ピストン、11
……ピストン軸、12……シリンダ、12a……
上部区画、12b……下部区画、13b,26b
……内壁端面、14,15……チエツク弁、14
a,15a……突起、19……作動軸、20……
つば、21……シールリング。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複動シリンダ5のピストン10にシールリング
    21をバイパスして上部区画12aと下部区画1
    2bへ連通するように設けた流路に互いに対向し
    て2組のチエツク弁14,15を配設し、同チエ
    ツク弁14,15にはそれぞれ上部区画12a、
    下部区画12bに突出する突起14a,15aを
    一体に設けピストン10の作動工程の末端で前記
    突起14a又は15aを複動シリンダ5の内壁端
    面13b又は内壁端面26bで押圧して前記チエ
    ツク弁14又は15の油密状態を開放するように
    した事を特徴とする複動シリンダの緩衝装置。
JP11055989U 1989-09-20 1989-09-20 Pending JPH0349401U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11055989U JPH0349401U (ja) 1989-09-20 1989-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11055989U JPH0349401U (ja) 1989-09-20 1989-09-20

Publications (1)

Publication Number Publication Date
JPH0349401U true JPH0349401U (ja) 1991-05-14

Family

ID=31659087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11055989U Pending JPH0349401U (ja) 1989-09-20 1989-09-20

Country Status (1)

Country Link
JP (1) JPH0349401U (ja)

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