To provide a rescue jack with a sufficiently compact shape capable of highly lifting up a heavy object.SOLUTION: A rescue jack includes a screw type cylinder member 2 that is provided on a base 1 in a standing-up posture and expandable/contractible in a vertical direction, a rotation operation part 21 for performing expanding/contracting operation of the screw type cylinder member 2, and a support arm a base end of which is fixed to an upper end of the screw type cylinder member 2 and extends downward and a tip 32 of which is positioned in the vicinity of a floor surface L where the base 1 is installed at a contraction end of the screw type cylinder member 2. The tip 32 of the support arm 3 is bent approximately horizontally to serve as a receiving part.SELECTED DRAWING: Figure 1
【課題】十分にコンパクトな形状で重量物を高く持ち上げることが可能な救助用ジャッキを提供する。【解決手段】基台1上に起立姿勢で設けられて上下方向へ伸縮可能なネジ式シリンダ部材2と、当該ネジ式シリンダ部材2を伸縮操作する回転操作部21と、ネジ式シリンダ部材2の上端にその基端が固定されて下方へ向けて延出し、ネジ式シリンダ部材2の収縮端でその先端32が基台1を設置した床面L付近に位置させられる支持腕とを備え、支持腕3の先端32は略水平に屈曲して受け部となっている。【選択図】 図1
RESCUE JACK
救助用ジャッキ
2020-09-24
Patent
Elektronische Ressource
Japanisch
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 |
Double-layer jack type jacking rescue device and method
Europäisches Patentamt | 2023
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