JPS63197296U - - Google Patents

Info

Publication number
JPS63197296U
JPS63197296U JP8827287U JP8827287U JPS63197296U JP S63197296 U JPS63197296 U JP S63197296U JP 8827287 U JP8827287 U JP 8827287U JP 8827287 U JP8827287 U JP 8827287U JP S63197296 U JPS63197296 U JP S63197296U
Authority
JP
Japan
Prior art keywords
nut
drive intermediate
rotational drive
nuts
outer periphery
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
JP8827287U
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 JP8827287U priority Critical patent/JPS63197296U/ja
Publication of JPS63197296U publication Critical patent/JPS63197296U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の第1実施例に係るジヤツキの
縦断面図、第2図は第1図の上ナツトまたは下ナ
ツト部の部分横断面図、第3図〜第6図は第1図
に示すジヤツキの作動状態を示す縦断面図、第7
図は本考案の第2実施例に係るジヤツキの平面図
、第8図は第7図の−線(一部−線)断
面図、第9図は従来の油圧ジヤツキを用いた吊り
上げ構造の一部破断側面図である。 1…ねじロツド、2,3……上、下ナツト、4
,5……歯車、6,7……上、下ナツト回転駆動
中間部材、8……ピストンロツド部材、9……シ
リンダーチユーブ部材、13……ナツト受部、2
2,23……上、下回転駆動部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外周部にねじを形成した1本のねじロツドと、
    ねじロツドに螺合させた上、下ナツトと、上、下
    ナツトの各々に、その中心軸方向にのみ摺動可能
    に外嵌するとともに、外周部に回転伝達部を有す
    る筒状の上、下ナツト回転駆動中間部材と、上、
    下ナツト回転駆動中間部材間に、これらに対して
    相対回転可能に設けた伸縮手段と、上ナツト回転
    駆動中間部材に対する上ナツトの下限位置を規制
    するナツト受部と、上、下ナツト回転駆動中間部
    材を回転させる上、下回転駆動部とからなること
    を特徴とするジヤツキ。
JP8827287U 1987-06-08 1987-06-08 Pending JPS63197296U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8827287U JPS63197296U (ja) 1987-06-08 1987-06-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8827287U JPS63197296U (ja) 1987-06-08 1987-06-08

Publications (1)

Publication Number Publication Date
JPS63197296U true JPS63197296U (ja) 1988-12-19

Family

ID=30946237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8827287U Pending JPS63197296U (ja) 1987-06-08 1987-06-08

Country Status (1)

Country Link
JP (1) JPS63197296U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220611A (ja) * 1988-02-29 1989-09-04 Tobishima Corp クライミングジャッキ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5054062A (ja) * 1973-09-14 1975-05-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5054062A (ja) * 1973-09-14 1975-05-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220611A (ja) * 1988-02-29 1989-09-04 Tobishima Corp クライミングジャッキ

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