The present invention in one or more embodiments provides a jack tool including a first shaft including a first tail with a first protrusion connected to a first spring, and a second shaft including a second head with a second aperture to detachably receive the first protrusion of the first shaft upon a force on the first spring translated from a force of different direction on the first protrusion.
Extendable jack tool and jack assembly employing the same
2016-05-31
Patent
Elektronische Ressource
Englisch
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 |