RESCUE JACK

• Main Authors: HARADA TSUKUHIDE, SASAKI SHUJI
• Format: Patent
• Language: English; Japanese
• Published: 01.12.2016
• Subjects: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING; FIRE-FIGHTING; HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; HUMAN NECESSITIES; LIFE-SAVING; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

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