The present invention is a folding jack stand that can be rotated and lifted and is capable of raising heaving machinery from a single point and then locked into a place at the point where it is lifted thus able to raise and hold pressure at the same point.
Folding jack stand
2023-01-05
Patent
Electronic Resource
English
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 |