A wallboard jack assembly is provided and includes a pair of extension beams, a cross beam, a pair of support beams, a locking mechanism, a grab bar, a back plate, and a top plate. The pair of extension beams includes a plurality of adjustment notches. The cross beam is positioned between the pair of extension beams. The pair of support beams includes an extension passageway extending a length of each support beam of the pair of support beams. The locking mechanism extends through each support beam of the pair of support beams. The grab bar is positioned between each support beam of the pair of support beams. The back plate includes a plurality of slots. The top plate includes a bellow located in a central region of the top plate.
Wallboard Jack
2024-09-26
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 |
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