JPH0336023U - - Google Patents

Info

Publication number
JPH0336023U
JPH0336023U JP9719289U JP9719289U JPH0336023U JP H0336023 U JPH0336023 U JP H0336023U JP 9719289 U JP9719289 U JP 9719289U JP 9719289 U JP9719289 U JP 9719289U JP H0336023 U JPH0336023 U JP H0336023U
Authority
JP
Japan
Prior art keywords
jack
tightening
reaction force
girder
relatively long
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
JP9719289U
Other languages
English (en)
Other versions
JPH0419073Y2 (ja
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 JP9719289U priority Critical patent/JPH0419073Y2/ja
Publication of JPH0336023U publication Critical patent/JPH0336023U/ja
Application granted granted Critical
Publication of JPH0419073Y2 publication Critical patent/JPH0419073Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Bridges Or Land Bridges (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断面図、第２図
は本考案が適用される従来の海上作業台の側面図
、第３図は従来の昇降ジヤツキの取付け態様を示
す側面図である。 ２０……シリンダ、２１，２２……壁部、２３
……中間壁、２４……第１の室、２５……第２の
室、２６……第１のピストン、２７……第１のピ
ストンロツド、２９……第２のピストン、３０…
…第２のピストンロツド。

Claims (1)

    【実用新案登録請求の範囲】
  1. 垂直方向に延びる固定脚を囲む第１および第２
    の締付ジヤツキを備え、その第１の締付ジヤツキ
    は反力桁を支持し、その反力桁には作業台が連結
    され、その反力桁と第２の締付ジヤツキとを相対
    移動させるための昇降装置用の液圧ジヤツキにお
    いて、前記第２の締付ジヤツキと反力桁とを相対
    的に移動されて昇降作動を行う比較的にストロー
    クの長いジヤツキと遊動を吸収する比較的にスト
    ロークの短いジヤツキとが１つのシリンダに組合
    されていることを特徴とする昇降装置用の液圧ジ
    ヤツキ。
JP9719289U 1989-08-22 1989-08-22 Expired JPH0419073Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9719289U JPH0419073Y2 (ja) 1989-08-22 1989-08-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9719289U JPH0419073Y2 (ja) 1989-08-22 1989-08-22

Publications (2)

Publication Number Publication Date
JPH0336023U true JPH0336023U (ja) 1991-04-09
JPH0419073Y2 JPH0419073Y2 (ja) 1992-04-28

Family

ID=31646344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9719289U Expired JPH0419073Y2 (ja) 1989-08-22 1989-08-22

Country Status (1)

Country Link
JP (1) JPH0419073Y2 (ja)

Also Published As

Publication number Publication date
JPH0419073Y2 (ja) 1992-04-28

Similar Documents

Publication Publication Date Title
JPH0336023U (ja)
JPS638443U (ja)
JPH02112679U (ja)
JPS6323013U (ja)
JPH01152972U (ja)
JPS638441U (ja)
JPS63119594U (ja)
JPH024743U (ja)
JPH0357767U (ja)
JPH0356791U (ja)
JPH0280U (ja)
JPS63150727U (ja)
JPS6199498U (ja)
JPS62195426U (ja)
JPH03126759U (ja)
JPH0324397U (ja)
JPH02144039U (ja)
JPH0465272U (ja)
JPH0365765U (ja)
JPS58180890U (ja) ジヤツキ装置
JPS6421178U (ja)
JPS61200901U (ja)
JPS61159489U (ja)
JPH02121646U (ja)
JPH0464471U (ja)