The invention discloses a universalized spiral scissors type jack for three-top parts and tools. The universalized spiral scissors type jack comprises a base and a jack head, wherein the base is integrally forged and formed by box iron; the jack head is forged and formed by a U-shaped piece; the base is hinged to a left lower support and a right lower support; forward teeth and reverse teeth which are meshed with each other are respectively arranged at the lower end of the left lower support and the lower end of the right lower support; a left upper support and a right upper support are hinged to the lower portion of the jack head; forward teeth and reverse teeth which are meshed with each other are respectively arranged at the upper end of the left upper support and the upper end of the right upper support; and the upper end of the left lower support and the lower end of the left upper support are respectively hinged to two ends of a nut. Two upper supports which serve as jack upper supports are hinged to the jack head, two jack lower supports which serve as jack lower supports are hinged to the base, so that the spiral double-scissors type jack is formed in a combined manner, and the universalization degree is high.
Universalized spiral scissors type jack for three-top parts and tools
2015-09-09
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 |