PROBLEM TO BE SOLVED: To provide a rescue jack by which a space between objects to be applied with force can be widened by inserting a tip part of the jack into the space even if the space is small.SOLUTION: The rescue jack is provided with: two opening/closing members 2 whose outward supporting surfaces form a wedge shape in a close state where the members contact each other; two pivotally supporting parts provided near a tip part of each slide plate 4; a first link member 9 which has a sliding shaft inserted through a driving long hole 7a of the slide plate 7 and a guide long hole 4a of the guide plate 4 at a base end part and has a tip part connected to a base end part of the opening/closing member 2; a second link member 10 having a base end part pivotally supported by a pivotally supporting part of the slide plate and has a tip part connected to an intermediate part in a longitudinal direction of the opening/closing member 2; a third link member 11 which connects the intermediate part in the longitudinal direction of the second link member 10 to the link supporting member 5; and slide plate driving means that moves back and forth two slide plates 7.SELECTED DRAWING: Figure 4

    【課題】加力対象間の隙間が小さくてもジャッキ先端部を挿入して隙間を広げ得る救助用ジャッキを提供する。【解決手段】互いに接した閉状態で外向きの支持面が楔状をなす二つの開閉部材2と、各スライド板4の先端部近傍に設けられた二本の枢支部と、スライド板7の駆動長孔7aとガイド板4のガイド長孔4aとに挿通された揺動軸を基端部に有しかつ先端部を開閉部材2の基端部に連結された第1リンク部材9と、スライド板の枢支部によって基端部を枢支されかつ先端部を開閉部材2の長手方向中間部に連結された第2リンク部材10と、第2リンク部材10の長手方向中間部とリンク支持部材5とを連結する第3リンク部材11と、二枚のスライド板7を進退移動させるスライド板駆動手段とを具る。【選択図】図4


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    Title :

    RESCUE JACK


    Additional title:

    救助用ジャッキ


    Contributors:

    Publication date :

    2016-12-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING , Vorrichtungen, Geräte oder Verfahren zur Lebensrettung



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