JPH0299900U - - Google Patents

Info

Publication number
JPH0299900U
JPH0299900U JP826589U JP826589U JPH0299900U JP H0299900 U JPH0299900 U JP H0299900U JP 826589 U JP826589 U JP 826589U JP 826589 U JP826589 U JP 826589U JP H0299900 U JPH0299900 U JP H0299900U
Authority
JP
Japan
Prior art keywords
overload
jack
screw shaft
jack case
limit switch
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
JP826589U
Other languages
English (en)
Other versions
JPH0630787Y2 (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 JP1989008265U priority Critical patent/JPH0630787Y2/ja
Publication of JPH0299900U publication Critical patent/JPH0299900U/ja
Application granted granted Critical
Publication of JPH0630787Y2 publication Critical patent/JPH0630787Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Transmission Devices (AREA)
  • Gear Transmission (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す縦断正面図であ
り、第２図は従来例を示す縦断正面図である。 １１……ネジ軸、１２……ナツト、１３……ウ
オームホイール、１５，１６，２４……ジヤツキ
ケース、２０……過負荷検出作動子、２１……バ
ネ、２２ａ，２２ｂ……カツプ状部材、２３ａ，
２３ｂ……ストライカ、２５ａ，２５ｂ……リミ
ツトスイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端に荷重負荷体を結着したネジ軸をジヤツキ
    ケース内に挿入し、該ネジ軸に螺合するナツトを
    ジヤツキケースに回動自在に軸受した駆動ウオー
    ムホイールに軸方向に摺動自在にスプライン係合
    させ、該ナツトの外周に突設したフランジを回動
    自在に係合した過負荷検出作動子の軸方向移動に
    押動されるストライカを前記ジヤツキケースに貫
    設した透孔内に弾性保持し、前記ストライカによ
    つて作動するリミツトスイツチをジヤツキケース
    に取付け、ネジ軸に過負荷が作用したときにスト
    ライカが過負荷方向に移動してリミツトスイツチ
    を作動しウオームホイールの駆動源を断つジヤツ
    キの過負荷保護装置。
JP1989008265U 1989-01-30 1989-01-30 ジャッキの過負荷保護装置 Expired - Fee Related JPH0630787Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989008265U JPH0630787Y2 (ja) 1989-01-30 1989-01-30 ジャッキの過負荷保護装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989008265U JPH0630787Y2 (ja) 1989-01-30 1989-01-30 ジャッキの過負荷保護装置

Publications (2)

Publication Number Publication Date
JPH0299900U true JPH0299900U (ja) 1990-08-08
JPH0630787Y2 JPH0630787Y2 (ja) 1994-08-17

Family

ID=31213990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989008265U Expired - Fee Related JPH0630787Y2 (ja) 1989-01-30 1989-01-30 ジャッキの過負荷保護装置

Country Status (1)

Country Link
JP (1) JPH0630787Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60209500A (ja) * 1984-03-31 1985-10-22 株式会社椿本チエイン 直線運動機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60209500A (ja) * 1984-03-31 1985-10-22 株式会社椿本チエイン 直線運動機

Also Published As

Publication number Publication date
JPH0630787Y2 (ja) 1994-08-17

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees